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CBSE Questions for Class 8 General Knowledge Introduction To Indian Geography Quiz 12 - MCQExams.com
CBSE
Class 8 General Knowledge
Introduction To Indian Geography
Quiz 12
Which of the following are incorrect?
$$1$$. Mangroves are salt tolerant forest ecosystems found mainly in the tropical and subtropical regions of the world.
$$2$$. Mangrove plants cans survive high salinity, tidal extremes, strong wind velocity, highs temperature and Muddy aerobic soil.
Select the correct answer using the code given below.
Report Question
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$$1$$ only
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$$2$$ only
0%
Both $$1$$ and $$2$$
0%
None of the above
Explanation
Mangroves are salt tolerant forest ecosystems found mainly in the tropical and sub-tropical intertidal regions of the world. They encompass swamps, forest-land within, and the surrounding water bodies. It is a matter of great surprise that mangrove floral species can thrive luxuriantly in saline habitat (which is basically physiologically dry in nature) through orientation of their morphological, anatomical and physiological systems. Thus this vegetation is the most efficiently adapted biotic community in response to climate change induced sea level rise.
The mangroves
exist under very hostile and inhospitable condition, as they have to
encounter extreme salinities, tides, wind velocities, temperature and muddy
anaerobic soils. They are highly adapted to coastal environment by having
breathing roots, supporting roots, salt-excreting leaves and viviparous,
water-dispersed propagules. The muddy soil is not aerobic in nature.
So the correct option is '2 only'.
Consider the following statements:
$$1$$. United nations summit, held in Rio de Janeiro resulted in the creation of United Nations Framework Convention on Climate Change (UNFCCC).
$$2$$. The parties to the convention have met annually from $$1995$$ in Conferences of the Parties (COP) to assess progress in dealing with climate change.
$$3$$. The first COP (COP $$1$$) was held in Kyoto.
Which of the given statements are true?
Report Question
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$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ and $$3$$ only
0%
All of the above
Explanation
United Nation Framework Convention on Climate Change (UNFCCC) is an international environment treaty opened for signature in 1992 during the Rio Summit. It came into force from 1994. The Conference of the Parties (COP) is the supreme governing body of the United Nations Framework Convention on Climate Change. Heads of state and other delegates from UN member countries attend the conference. The first COP meeting was held in Berlin, Germany in March, 1995.
The Kashmir region receives additional amount of precipitation during the winter brought by _____.
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South-west Monsoon
0%
Western Disturbances
0%
Retreating Monsoon
0%
Temperate Cyclone
Explanation
A Western Disturbance is an extratropical storm which originates in the Mediterranean region and brings sudden winter rain to the northwestern parts of the Indian subcontinent along with the Westerlies. These Disturbances are helful for thhe Rabi crop.
Which one of the following Himalayan vegetation species is found between the altitudes of 1800 to 2600 metres?
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Saal
0%
Chir
0%
Spruce
0%
Deodar
Explanation
Deodar forests are forests dominated Cedrus deodara and are found in Western Himalayas from Gandak river in central Nepal to Hindukush in Afghanistan. It is found between the altitudes of 1800 to 2600 metres.
Which one of the following States in India has the longest coastline?
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Odisha
0%
Tamil Nadu
0%
Karnataka
0%
West Bengal
Explanation
Coastline of Indian States are:
Gujarat - 1915.29 kms
Andhra Pradesh - 1037 kms
Tamil Nadu - 864.73 kms
Kerala – 560 kms
Maharashtra - 510.31 kms
Odisha - 457.2 kms
West Bengal – 374 kms.
Consider the following statements about National Biodiversity Authority (NBA).
$$1$$. The National Biodiversity Authority (NBA) was established to implement India's Biological Diversity Act $$(2002)$$.
$$2$$. The NBA is a statutory and an autonomous body.
$$3$$. The NBA has its headquarters in Chennai.
$$4$$. Biological Diversity Act $$2002$$ mandates all local bodies to setup Biodiversity Management Committees (BMC).
Which of the statements are true?
Report Question
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$$1, 2$$ and $$3$$
0%
$$2, 3$$ and $$4$$
0%
$$1, 3$$ and $$4$$
0%
All the above
Explanation
The National Biodiversity Authority (NBA) was established by the Central Government in 2003 to implement India’s Biological Diversity Act (2002). It is headquartered in Chennai. It is a Statutory Body and it performs facilitative, regulatory and advisory functions for the Government of India on issues of conservation, sustainable use of biological resources and fair and equitable sharing of benefits arising out of the use of biological resources. The Biological Diversity Act (2002) mandates implementation of the provisions of the Act through decentralized system by setting up Biodiversity Management Committees(BMC) at the local level.
Which of the following about Ecological Niche is/are correct?
$$1$$. No two species in a habitat can have same niche.
$$2$$. A niche is unique for a species.
Select the correct answer using the codes given.
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
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Neither $$1$$ nor $$2$$
Explanation
In ecology, a niche is a term describing the relational position of a species or population in
an ecosystem.
The description of a niche may include descriptions of the organism's life history, habitat, and
place in the food chain.
According to the competitive exclusion principle, no two species can occupy the same niche
in the same environment for a long time.
Which of the following forms the reservoir pool of biogeochemical cycle?
$$1$$. Atmosphere/rock
$$2$$. Plants
$$3$$. Animals
Select the correct answer using the codes given.
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$$1$$ only
0%
$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
Explanation
Biogeochemical cycle is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth. There are biogeochemical cycles for carbon, oxygen, nitrogen, phosphorus, sulfur, and water. At particular stages of their cycling, any of the elements may be stored and accumulated within a particular place for a long period time (e.g. within a rocky substrate, or in the atmosphere). These places are called “sinks” or “reservoirs”.
Corals reefs are generally absent on the western coasts of continents. This is because __________.
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Western coats of continents witness subsidence of air
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Western coast of continents has cold currents
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Western coast of continents has dry winds blowing over them
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None of the above
Explanation
Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. They are generally absent on the western coasts of continents because Western coast of continents has cold currents. Coral reefs do not flourish where there are cold currents because of the upwelling of the cold water from depths that cools the warm surface water. They flourish in warm tropical oceans with minimum temperature of 20 degree.
Consider the following statements about the National Board for Wildlife (NBWL).
$$1$$. The Union Minister of Environment and Forests is the chairperson of NBWL.
$$2$$. National Board for Wild Life is a "statutory Organization" constituted under the Wildlife Protection Act, $$1972$$.
Select the correct code from below.
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
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None of the above
Explanation
National Board for Wild Life is a “Statutory Organization” constituted under the Wildlife Protection Act, 1972. It has 47 members and is chaired by the Prime Minister. The Wildlife Protection Act mandates that without the approval/recommendation of the NBWL, construction of tourist lodges, alteration of the boundaries of PAs, destruction or diversion of wildlife habitat and de-notification of Tiger Reserves, cannot be done.
With reference to the International Union for Conservation of Nature and Natural Resources (IUCN) and the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which of the following statements is/are correct?
$$1$$. IUCN is an organ of the United Nations and CITES is an international agreement between governments.
$$2$$. CITES is legally binding on the States that have joined it, but this Convention does not take the place of national laws.
Select the correct using the code given below.
Report Question
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
None of the above
Explanation
IUCN was created in 1948 and has evolved into the world’s largest and most diverse environmental network. The organization is best known for compiling and publishing the IUCN Red List, which assesses the conservation status of species worldwide.
CITES is an international agreement to which States and regional economic integration organizations adhere voluntarily. Its aim is to ensure that international trade in specimens of wild animals and plants does not threaten their survival.
Consider the following statements.
$$1$$. In predation, one organism kills other and benefits itself.
$$2$$. In parasitism, one species inhibits the other and benefits itself.
$$3$$. In amensalism, one species harms the other and benefits itself.
Which of the statements given is/are correct?
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$$1$$ only
0%
$$1$$ and $$2$$
0%
$$2$$ and $$3$$
0%
$$1, 2$$ and $$3$$
Explanation
Biotic interactions are the various mechanisms in which organisms interact with each other.
Types of Biotic interactions
Mutualism - Both species benefit.
Commensalism - One species benefits, other is unaffected.
Competition - Both species are harmed by the interaction.
Predation and Parasitism - One species benefits and other is harmed.
Amensalism - One is inhibited or destroyed and the other is unaffected.
Which of the following is/are correct regarding ecological succession?
$$1$$. Primary succession takes a very short time.
$$2$$. Secondary succession starts in an area where the soil is already present.
Select the correct answer using the codes given.
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
Ecological succession is a process of directional change in vegetation on an ecological time scale
. It is of two types: Primary and Secondary.
Primary Succession - When a terrestrial site is first colonised
by the pioneer species. It takes a very long time For Eg. Lichens and Mosses.
Secondary Succession - It occurs on preexisting soil whereas primary succession usually occurs in a place lacking soil. After Climax (destruction of an existing site by natural event – droughts, floods, storms or by human intervention. for eg. – deforestation, agriculture, overgrazing) the sequential development of biotic communities.
Consider the following statements about Nagoya Protocol.
$$1$$. The Nagoya Protocol provides access to genetic resources and the fair and equitable sharing of benefits arising from their utilization.
$$2$$. Aichi Biodiversity Targets were created in the Nagoya Protocol.
Which of the given statements is/are correct?
Report Question
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
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Neither $$1$$ nor $$2$$
Explanation
The Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of
Benefits Arising from their Utilization to the Convention on Biological Diversity is a
supplementary agreement to the Convention on Biological Diversity.
It provides a transparent legal framework for the effective implementation of
fair and equitable sharing of benefits arising out of the
utilization of genetic resources. The Strategic Plan consists of 20 new biodiversity targets for 2020, termed the 'Aichi
Biodiversity Targets'.
Which among the following are the important gaps in the Western Ghats?
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Palghat
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Borghat
0%
Thalghat
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All the above
Explanation
The Western Ghats or Sahyadri run parallel to the west coast of
Indian peninsula through six states and are called 'The Great Escarpment of India'. Thalghat and Bhorghat are important passes which provide passage by road and rail between the
Konkan Plains in the west and the Deccan Plateau in the east.
The southern part of the Western Ghats is separated from the main Sahyadri range by Pal ghat
Gap.
Pal Ghat Gap is a
rift valley.
Which among the following is the highest peak in the peninsular plateau?
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Annapurna peak
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Dodda Beta
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Anaimudi peak
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K$$2$$(Godwin Austen)
Explanation
AnaimudiPeak in Kerala, with a height of 2,695 m above sea level, is the highest peak of peninsular India. Three ranges radiate in different directions from Anaimudi. These ranges are the Anamalai (1800-2000 m) to the north, the Palani (900-1,200 m) to the north-east and the Cardamom Hills or the Ealaimalai to the south.
Consider the following statements.
$$1$$. The Narmada valley marks the northern limit of Western Ghats.
$$2$$. Palani hills, Anaimalai hills, and Cardamon hills converge at Doda Betta.
$$3$$. Guru Shikhar is the highest peak in the Eastern Ghats.
Which among the following are correct?
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$$1$$ and $$2$$ only
0%
$$2$$ only
0%
$$3$$ only
0%
None of these
Explanation
The Western Ghats or Sahyadri run parallel to the west coast of Indian peninsula through six states and are called 'The Great Escarpment of India'. The northern section of the Ghats starts from Tapi valley. The southern part of the Western Ghats is separated from the main Sahyadri range by Pal ghat Gap. Anaimudi (2,695 m) is the highest peak in the whole of southern India. Three ranges radiate in different directions from Anaimudi - Anamalai, Palani, and Cardamom. Jindhagada is the highest mountain in the Eastern Ghats situated in Araku, district Vishakapatnam in Andhra Pradesh.
Which of the following statements is/are correct about the International Solar Alliance (ISA)?
$$1$$. All countries between the tropics of Cancer and Capricorn are part of International Solar Alliance (ISA).
$$2$$. It will function from the National Institute of Solar Energy in India, Gurgaon.
Report Question
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
International Solar Alliance (ISA) is conceived as a coalition of solar resource-rich countries
(countries lying fully or partially between the Tropic of Cancer and the Tropic of Capricorn)
to address their special energy needs and will provide a platform to collaborate on
addressing the identified gaps through a common, agreed approach.
The institutional structure of ISA consists of an Assembly, a Council and a Secretariat. The
secretariat of the ISA is to be located in Gurugram, India.
The initiative has been launched by India and France on the first day of the Climate Change Conference
(COP21), Paris Summit.
Which of the following are consequences of deforestation?
$$1$$. Silting
$$2$$. Loss of wild habitat
$$3$$. Loss of $$CO_2$$ sink
$$4$$. Pollution
Select the correct answer using the codes given.
Report Question
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$$3$$ only
0%
$$2$$ and $$3$$
0%
$$1, 3$$ and $$4$$
0%
$$1, 2, 3$$ and $$4$$
Explanation
Trees play a vital role to hold the surface on mountains and create natural barriers for the rain waters apart from providing fresh oxygen and acting as carbon dioxide sink. Deforestation affects wild animals, plants, and humans in at least four distinct ways: via soil erosion, water cycle disruption, which can lead to desertification and habitat loss. Agriculture is adversely affected by siltation, flooding, soil degradation, etc. The stress of environmental change may make some species more susceptible to the effect of insects, pollution, and diseases.
What is the name of a species that is highly connected to the entire food web and whose loss may result in ecosystem collapse?
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Keystone species
0%
Limiting species
0%
Top species
0%
Vital species
Explanation
Keystone species is a species whose addition or loss to an ecosystem will lead to major changes in the
ecosystem.
This is because certain species are considered more important in determining the presence of
other species.
All top predators are considered Keystone Species i.e. tiger, lion, crocodile.
With reference to the Cartagena Protocol on Biosafety, consider the following statements.
$$1$$. It is an additional agreement to the Convention on Biological Diversity (CBD).
$$2$$. The protocol establishes procedures for regulating the import and export of living modified organism from one country to another.
Which of the statements given is/are correct?
Report Question
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
The Cartagena Protocol on Bio-safety to the Convention on Biological Diversity is an
international treaty governing the movements of living modified organisms (LMOs)
resulting from modern biotechnology from one country to another.
It was adopted in 2000 as a supplementary agreement to the Convention on Biological
Diversity and entered into force in 2003.
The drug named Diclofenac has been in news, because _________.
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A drug used in treating various endangered bird species in India
0%
A drug that enters in to the food chain and causes death of vultures
0%
It is an anti-inflammatory drug used in Poultry farming causing death of human
0%
None of the above
Explanation
Diclofenac, a non-steroidal
anti-inflammatory drug which is given to cattle in inflammation and pain has been the
reason for rapid decline in the population of vulture.
The vultures die of renal
failure or kidney failure after eating carcasses of cattle administered with the drug.
Almost 95% of vultures in India have disappeared after consuming diclofenac affected carcasses of cattle.
'Genetic Engineering Appraisal Committee' (GEAC) is under the aegis of _________.
Report Question
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The Environment (Protection) Act, $$1986$$
0%
The Wildlife Protection Act, $$1972$$
0%
The Water (Prevention and Control of pollution) Act, $$1974$$
0%
The Forest (Conservation) Act, $$1980$$
Explanation
The Genetic Engineering Appraisal Committee (GEAC) works under the aegis of Environment Protection Act and functions in the Ministry of Environment, Forest and Climate Change (MoEF&CC). It is responsible for appraisal of activities involving large-scale use of hazardous microorganisms and recombinants in research and industrial production from the environmental angle. The committee is also responsible for appraisal of proposals relating to release of genetically engineered (GE) organisms and products into the environment including experimental field trials.
The Reef-building corals will not flourish in conditions where
$$1$$. Waters are very deep
$$2$$. Cold currents frequently upwell
$$3$$. There is absence of silt and water is salty
Select the correct answer using the codes given.
Report Question
0%
$$1, 2$$ and $$3$$
0%
$$1$$ and $$3$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ and $$2$$ only
Explanation
Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. They are generally absent on the western coasts of continents because Western coast of continents has cold currents. Coral reefs do not flourish where there are cold currents because of the upwelling of the cold water from depths that cools the warm surface water. They flourish in warm tropical oceans with minimum temperature of 20 degree. Other favourable conditions are
Oceanic water free of sedimentation,
shallow waters, transparent parts of ocean bodies, etc.
With reference to the National Ambient Air Quality Standards (NAAQS), consider the following statements.
$$1$$. These are standards for ambient air quality set by Central Pollution Control Board (CPCB).
$$2$$. The CPCB has been conferred this power by the Air (Prevention and Control of Pollution) Act, $$1981$$.
$$3$$. The measurement of air quality is based on eight pollutants, namely, $$PM10,\, PM2.5, \,NO2, \,SO2, \,CO, \,O3, \,NH3$$, and $$Pb$$.
Which of the statements given is/are correct?
Report Question
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$$1$$ only
0%
$$1$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
0%
$$1$$ and $$2$$ only
Explanation
National Ambient Air Quality Standards (NAAQS) are standards for ambient air quality set by Central Pollution Control Board (CPCB), applicable nation wide. The measurement of air quality is based on eight pollutants, namely, PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb. The CPCB has been conferred this power by the Air (Prevention and Control of Pollution) Act, 1981.
With reference to the National Biodiversity Authority of India, consider the following statements.
$$1$$. It was set upto implement the Wildlife Protection Act, $$1972$$.
$$2$$. It has been conferred the status of an Autonomous body.
$$3$$. It performs facilitative, regulatory and advisory function for Government of India on issues pertaining biodiversity and its conservation.
Which of the statements given is/are correct?
Report Question
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$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$2$$ only
0%
$$1, 2$$ and $$3$$
Explanation
The National Biodiversity Authority (NBA) was established by the Central Government in 2003 to implement India’s Biological Diversity Act (2002). It is headquartered in Chennai. It is a autonomous statutory Body and it performs facilitative, regulatory and advisory functions for the Government of India on issues of conservation, sustainable use of biological resources and fair and equitable sharing of benefits arising out of the use of biological resources. The Biological Diversity Act (2002) mandates implementation of the provisions of the Act through decentralized system by setting up Biodiversity Management Committees(BMC) at local level.
How does the National Green Tribunal helps in protecting Environment and Ecology?
$$1$$. Disposing off cases relating to environment protection
$$2$$. Enforcing legal rights relating to environment
$$3$$. Providing relied and compensation for damages to persons a property on environment related issue's.
Select the correct answer from the codes given.
Report Question
0%
$$1$$ only
0%
$$2$$ only
0%
$$1$$ and $$2$$ only
0%
$$1, 2$$ and $$3$$
Explanation
NGT is a tribunal set up to address environmental issues. It is a statutory body established under
the National Green Tribunal Act 2010.
It’s aims include:
effective and expeditious disposal of cases relating to environmental protection and conservation
of forests and other natural resources,
enforcement of any legal right relating to environment
giving relief and compensation for damages to persons and property and for matters connected therewith or incidental thereto.
Which of the following pairs are correctly matched?
Sr. No.
International Conventions
Hazardous Material
$$1$$.
Stockholm Convention
On Persistent Organic Pollutants
$$2$$.
Basel Convention
On Transboundary movement of hazardous material
$$3$$.
Rotterdam Convention
On Pesticides and Industrial Chemicals
Select the correct answer using the codes given.
Report Question
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$$1$$ only
0%
$$2$$ only
0%
$$3$$ only
0%
All of the above
Explanation
Stockholm Convention - It is an International treaty and aims to eliminate or restrict the production and use of Persistent Organic Pollutants (PoPs).
Basel Convention - Aims to reduce the movements of hazardous waste between nations and specifically to prevent the transfer
of hazardous waste from developed to less developed countries.
Rotterdam Convention - Aims to promote shared responsibilities in relation to import of hazardous chemicals.
The Saumitra Chaudari Committee is related to __________.
Report Question
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Agrarian reforms
0%
Foreign Direct investment
0%
Monetary Policy
0%
Auto fuel policy
Explanation
Petroleum ministry had setup Saumitra Chaudhuri Committee for Auto fuel vision policy 2025. Her recommendations were as below:
1. Implementing next Bharat Stage norms
2. Shift towards alternative fuels
3. Taxing old vehicles more , and disincentivising its use , promoting CNG vehicles by less taxation.
4. Bureau of energy efficiency labels on vehicles to show their fuel efficiency.
Which of the following statements is/are correct about $$REDD$$?
$$1$$. Its objective is to mitigate climate change through reducing net emissions of greenhouse gases through enhanced forest management in developing countries.
$$2$$. $$REDD+$$ is essentially a vehicle to financially reward developing countries for their verified efforts to reduce emissions respectively.
Report Question
0%
$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
The United Nations Programme on Reducing Emissions from Deforestation and Forest Degradation (REDD) is a mechanism negotiated under UNFCC since 2005. Its objective is to mitigate climate change through reducing net emissions of greenhouse gases. REDD+ stands for countries' efforts to reduce emissions from deforestation and forest degradation, and foster conservation, sustainable management of forests, and enhancement of forest carbon stocks.
With reference to 'Eco Sensitive Zone' (ESA), consider the following statements.
$$1$$. ESA is the area that is declared under the Environment Protection Act, $$1986$$.
$$2$$. The purpose of the declaration of ESA is to prohibit all kinds of human activities in these zones except agriculture.
$$3$$. The same criteria of ESA have been used by the government to declare No Development Zone's.
Which of the statements given is/are correct?
Report Question
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$$1$$ and $$3$$ only
0%
$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
Explanation
Eco Sensitive Zone is created to act as a buffer for further protection around Protected Areas (PAs) such as
National Parks and Wildlife sanctuaries Activities around such areas are regulated and
managed so as to protect the environment.
ESZ is notified under Section 3 of the Environment (Protection) Act, 1986 by the Union
Ministry of Environment and Forest.
Ongoing agriculture and horticulture practices by local communities, rain water
harvesting, organic farming are permitted in the ESZs.
With reference to Clean Development Mechanism (CDM) of the Kyoto Protocol, consider the following statements.
1
1
. It is the main source of income for the UNFCCC Adaptation Fund.
Which of the statement(s) given is/are incorrect?
Report Question
0%
$$2$$ only
0%
$$1$$ and $$3$$ only
0%
$$2$$ and $$3$$ only
0%
None of the above
Explanation
The CDM allows emission-reduction projects in developing countries to earn certified emission reduction (CER) credits, each equivalent to one tonne of CO2. These CERs can be traded and sold, and used by industrialized countries to a meet a part of their emission reduction targets under the Kyoto Protocol. The mechanism stimulates sustainable development and emission reductions, while giving industrialized countries some flexibility in how they meet their emission reduction limitation targets. The CDM is the main source of income for the UNFCCC Adaptation Fund, established to finance adaptation projects and programmes in developing country Parties to the Kyoto Protocol.
Photochemical smog has been causing health hazard in different parts of the world. With reference to Photochemical smog, consider the following statement.
$$1$$. Volatile organic compounds (VOCs) and nitrogen oxide causes the formation of Photochemical smog.
$$2$$. The topography of the area surrounding a city can vastly influence the formation of Photochemical smog.
Which of the statements given is/are correct?
Report Question
0%
$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
Photochemical smog occurs in warm, dry and sunny climate. The main components of the photochemical smog result from the action of sunlight on unsaturated hydrocarbons, volatile organic compounds and nitrogen oxides produced by automobiles and factories. Photochemical smog has high concentration of oxidising agents and is, therefore, called as oxidising smog.
Which among the following statements is incorrectly stated?
Report Question
0%
Alpha diversity refers to diversity within a particular area or ecosystem
0%
Food chain is more comprehensive than food web in displaying possible transfers of energy
0%
Food chain implies a simple isolated relationship which seldom occurs in an ecosystem
0%
None of the above
Explanation
Food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species or decomposer species. It shows how the organisms are related with each other by the food they eat. Whereas a food web is a system of interlocking and interdependent food chains which shows that food web is more comprehensive than food chain in displaying possible transfers of energy.
Which of the following is most likely the result of decreasing levels of ozone in the stratosphere?
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A decrease in the levels of smog in major cities
0%
A decrease in the rate of global warming
0%
An increase in the occurrence of skin cancer in humans
0%
An increase in photosynthetic activity of phytoplankton
Explanation
The stratosphere, continues from 10 km to about 50 km. Most atmospheric ozone is concentrated in a layer in the stratosphere, about 15-30 kilometers above the Earth's surface. This ozone layer in the Earth’s stratosphere absorbs most of the Sun’s ultraviolet (UV) radiation that may cause skin cancer. Thus decreasing levels of ozone in the stratosphere may result in an increase in the occurrence of skin cancer in humans.
The 2017 UNESCO Natural Heritage Festival was held from February 11 to 12,It was in collaboration with Wildlife Institute of India (WII). In which state was the 2017 UNESCO Natural Heritage festival held?
Report Question
0%
New Delhi
0%
Madhya Pradesh
0%
Uttar Pradesh
0%
Himachal Pradesh
Explanation
The 2017 UNESCO Natural Heritage Festival was held at Great Himalayan National Park (GHNP) in Sairopa, Himachal Pradesh from February 11th to 12th.
The fest was held in collaboration with the Wildlife Institute of India (WII) and was attended by many prominent conservationists.
The festival featured a media workshop on environmental journalism, discussions on natural and cultural heritage of the Himalayan region and a heritage walk.
This country is a neighbour of India. Identify this country. Its flag has a green background with a big red circle on it.
Report Question
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Bhutan
0%
Nepal
0%
Bangladesh
0%
Sri Lanka
This ship was the largest and most advanced ship of her time with every luxury aboard. On a fateful night in 1912, she hit an iceberg. She sank rapidly in the North Atlantic ocean killing more than 1,500 of the 2,224 passengers. Name the ship.
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HMS Bounty
0%
RMS Titanic
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RMS Carpathia
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RMS Olympic
Explanation
RMS Titanic, the famous passenger liner that sank on her maiden voyage on the 15th April 1912 following her collision with an iceberg the night before. The North Atlantic Ocean disaster claimed the lives of 1,514 people and is one of the most devastating maritime disasters in history.
The Titanic was the largest ship afloat at the time of her maiden voyage and carried 2,224 people on that maiden voyage from Southampton on 10th April 1912. Her destination was New York City, America.
'Operation Insaniyat'-was launched by Government of India as a humanitarian assistance to which neighbouring country?
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Nepal
0%
Bangladesh
0%
Sri Lanka
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Pakistan
Explanation
'Operation Insaniyat' was launched by the Ministry of External Affairs to aid Bangladesh in the response of humanitarian crisis faced by a large influx of Rohingya refugees from Myanmar.
The US President Donald Trump had planned to build a border wall with this country. Which country is this?
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Cuba
0%
Canada
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Haiti
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Mexico
Explanation
The US President Donal Trump had planned to build a border wall with Mexico. The Trump wall or commonly referred to as "The wall".
In which continent is India situated?
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Asia
0%
Africa
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Europe
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North America
Cities generally come up on river banks because of their proximity to water. Water is essential for survival and transport. On which river is Panaji, a city of Goa situated?
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Mahanadi
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Godavari
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Kaveri
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Mandovi
Explanation
The Mandovi River has a length of 77 kilometres out of which 29 kilometres is situated in Karnataka and 52 kilometres is in Goa. It originates from a cluster of 30 springs at Bhimgat located in the Western Ghats of the Belgaum district in Karnataka.
The river basin in Goa comprises of approximately 42% of Goa’s total geographical area.
The Mandovi River is also known as Mahadayi or Mhadei River, and is often described as the lifeline to the State of Goa.
Consider the following statements about Basel Convention.
$$1$$. It is an international treaty that was designed to reduce the movements of hazardous waste between nations.
$$2$$. It specifically focuses on to prevent transfer of hazardous waste from developed to less developed countries (LDCs).
$$3$$. It also addresses the movement of radioactive waste between different nations.
Select the correct answer using the code given.
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$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ and $$3$$ only
0%
All of the above
Explanation
The Basel Convention on the Control of Transboundary Movements of
Hazardous Wastes and their Disposal a
ims to reduce the movements of hazardous waste between nations and specifically to
prevent transfer of hazardous waste from developed to less developed countries.
It does not address the movement of radioactive waste.The Convention is intended to assist Least Developed Countries (LDCs) in environmentally sound management of the
hazardous and other wastes they generate.
The great Indian Bustard is found in
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Assam
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Rajasthan
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Bengal
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Kerala
With the overall clamp down on diesel vehicles in the country due to rising pollution levels, automakers have taken the green step forward, with many introducing hybrid vehicles in India. They are cleaner and more fuel efficient. The Toyota Camry Hybrid is a good example of one such model. It is powered by _______.
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Petrol and ethanol
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Petrol and electricity
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Electricity and LPG
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Biofuel
Explanation
A hybrid car is one that uses more than one means of propulsion. It combines a petrol engine with an electric motor. The main advantage of such a car is that consumes less fuel and emit less carbon dioxide as compared to the cars run by petrol and diesel.
Which city is called the 'City of Parks'?
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Kiev
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Multan
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Lahore
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Kolkata
Which of the following states is odd one out in terms of international border ?
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Rajasthan
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Gujarat
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Punjab
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Himachal pradesh
Explanation
Himachal pradesh, because
Rajasthan, Gujarat, Punjab all share their borders with Pakistan and HP do not.
Which online portal has been launched in April, $$2017$$ by the Survey of India (SOI) that offers free download of Indian Maps?
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Map Portal
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SOL Portal
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Digital Map Portal
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Nakshe Portal
Explanation
The Survey of India launched Nakshe Portal on April 2017, a new web portal to make open series maps available to Indians for free. The portal was launched by Mr. Harsh Vardhan, the Union Minister for Science & Technology and Earth Sciences. The maps are meant to promote developmental activities in the country and also various other projects in India.
Botanical garden of India which contains collections of world's tropical plants is?
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National Botanical Garden
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The Indian Botanical Garden
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Lloyd Botanical Garden
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Lalbag Garden
Explanation
Lal Bagh or the red garden is a professional flowerbed in Bangalore, It has India's biggest accumulation of tropical plants and is one of the fundamental vacation spots in the city of Bangalore.
So, the correct option is 'Lalbagh
Garden'.
The Indus originates in Tibet at the confluence of Sengge and Gar rivers and flows through India and then through Pakistan to ___________.
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0%
Indian Ocean
0%
Arabian Sea
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Bay of Bengal
0%
Palk Strait
Explanation
The Indus river is about 2900km in length and is the greatest river on the western side of the Indian subcontinent. It flows in north-west direction from its source at Tibet.
After entering J&K it flows between the Ladakh and the Zaskar Ranges. It takes a sharp southern bend after crossing the Himalayas.
The river empties into the Arabian Sea south of Karachi after forming a huge delta.
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