CBSE Questions for Class 8 General Knowledge Resources Of India And World Quiz 16 - MCQExams.com

When lava cools quickly on the Earth's surface, it forms 'X'. 'X' is a very light rock used as body scrubber and to polish floors.
Identify 'X' in the above given paragraph.
  • Gneiss
  • Pumice
  • Basalt
  • Shale
This nut can be sweet or bitter and its oil is used in cosmetics, aromatherapy and in making marzipan. USA is the top producer of it. Name this nut.
  • Pine nut
  • Groundnut
  • Cashew nut
  • Almond
This huge cactus is pleated like an accordion and expands as it soaks up water. Its flower is the state wildflower of Arizona. Identify it.
  • Peyote
  • Prickly pear
  • Saguaro
  • Mesquite
Which one of three clothes do you wear during winters?
  • None of these
Which of the following statements is true about the rainforests?
  • An estimated 50 percent of terrestrial biodiversity is found in rainforests.
  • Most rainforest trees are covered with epiphytes, attached to trunk and branches of trees and absorb moisture from the surroundings.
  • Over 2000 types of plants found in rainforests can be used to help in cancer treatment due to their anti-cancer properties.
  • All of these
Cerbera odollam, commonly known as the suicide tree, is a species of tree native to India and other parts of Southern Asia. In which state of India, this tree is found?
  • Haryana
  • Sikkim
  • Karnataka
  • Kerala
Many animals such as bats and primates indulge in geophagia, or the ingestion of soil. Which type of soil do these animals prefer?
  • Gravel
  • Sand
  • Silt
  • Clay
It is a major cereal grain grown in the temperate climate. It was one of the first cultivated grains in Eurasia. Celebration, Lacey and Legacy are few of its six-row malting varieties. Identify the crop.
  • Maize
  • Barley
  • Millet
  • Rice
Deciduous trees, unlike evergreens, shed their leaves periodically, which then regrow. Which of the following is not a deciduous tree?
  • Magnolia
  • Birch
  • Spruce
  • Beech
These trees are massive and can grow to a height of 50-84 m with a circumference of 20-30 ft. The wood was used mainly for shingles and fence posts or even for making matchsticks. The largest of them is called the 'General Sherman' which is located in California. Which trees are we talking about?
  • Sequoia
  • Cedar
  • Pine
  • Maple
Every year thousands of rainforests and peatlands are being destroyed to make way for new palm oil plantation in this region which is destroying homes of tigers. To check forest destruction, Greenpeace had started a movement known as "Protect Paradise. In which region this movement has been started?
  • Malaysia
  • Indonesia
  • India
  • Maldives
It is the smallest species of armadillo known. It is the only species of armadillo that has its dorsal shell almost completely separate from its body. This unique animal resides in the dry grasslands and sandy plains of central Argentina. Identify it.
  • Pink fairy armadillo
  • Skin - banded armadillo
  • Screaming hairy armadillo
  • Andean fairy armadillo
Mangroves are salt-tolerant plants of tropical and sub-tropical intertidal regions of the world. They are highly productive but extremely sensitive and fragile. Which of the following statements are true regarding them? 
  • The presence of mangrove ecosystem on coastline saves lives and property during natural hazards such as cyclones and storm surges.
  • They are breeding, feeding and nursery grounds for many estuarine and marine organisms.
  • West Bengal has maximum percentage of mangrove cover in India.
  • All of these
Plantation crops refer to monoculture crops which are cultivated on an extensive scale over a large area. Which of the following is usually grown in plantation farming?
  • Coffee
  • Wheat
  • Rubber
  • Both (A) and (C)
Cultivation of trees, Shrubs and other woody plants is known as __________.
  • Alchemy
  • Hyboriculture.
  • Arboriculture
  • Aetiology
The flower given in the picture is of an achlorophyllous plant native to southern Africa. It is parasitic on the roots of members of the Euphorbiaceae family and emits an odour of faeces to attract its natural pollinators; carrion beetles. Identify it.
1001453_c1d7b7e21a004b0bbb90d3fd816265e5.png
  • Welwitschia mirabilis
  • Hydnora africana
  • Pinguicula gigantea
  • Helicodiceros muscivorus
This strange looking tree is an icon of Southern Africa's most arid habitats. It is a tall branching species of aloe also known as choje to the indigenous San people. Identify it.
1001447_de1eb67f6c514522ac6c200c3607dcae.png
  • Kauri tree
  • Baobab tree
  • Quiver tree
  • Halfmens
This shark is rarely seen by humans and was discovered inIt is found in deep tropical water and is believed that it swims with its mouth open. Name the shark.
  • Megamouth
  • Mako
  • Hammerhead
  • Blacktip
Araku Valley is a hill station in Visakhapatnam district in the state of Andhra Pradesh in India. The area around it has rich biodiversity. It is famous for its plantation of
  • Tea
  • Tobacco
  • Coffee
  • Rubber.
Marsupials are the only mammals that incubate and carry their young ones in special pouches. Most marsupials are found in Australia. Which of the following is the only marsupial to be found in North America?
  • Wallaby
  • Opossum
  • Koala
  • Wombat
There are two basic branches of soil science, $$\underline{(i)}$$ is concerned with the influence of soils on living things, particularly plants and $$\underline{(ii)}$$ is focused on the formation, morphology and classification of soils in their natural environment. Select the option which correctly fills the blanks.
  • $$\underline{(i)}$$ Pedology $$\underline{(ii)}$$ Edaphology
  • $$\underline{(i)}$$ Geology $$\underline{(ii)}$$ Pedology
  • $$\underline{(i)}$$ Geology $$\underline{(ii)}$$ Meterology
  • $$\underline{(i)}$$ Edaphology $$\underline{(ii)}$$ Pedology
Recent discovery of method of reducing salination of soil is
  • Spreading of husk on the soil
  • Extensive use of fertilisers
  • Intensive use of fertilisers
  • None of the above
Which hydro-electric project produces maximum power energy?
  • Bhakra Nangal
  • Koyna
  • Hirakud
  • Salal
The largest inland lake in India is situated in Rajasthan. This lake has been designated as Ramsar site because the wetland is the home of many migrating birds including flamingo. Name the lake.
  • Wular lake
  • Sambhar Salt lake
  • Chilka lake
  • Devtal lake
Productivity being low, cottage industry produced a lot because
  • It employs large number of people
  • No power is needed to manufacture most of the products
  • Raw material is generally available locally
  • It caters mostly to the rural population
What is the most remarkable aspect of Indian industry since independence?
  • More employment opportunities
  • Increase in production
  • Capacity utilisation
  • Diversification
Which State is the biggest producer of cashewnuts?
  • Tamil Nadu
  • Assam
  • Kerala
  • Punjab
The extinctive type of lions are mostly found in
  • Gujarat
  • Maharashtra
  • Assam
  • Uttar Pradesh
Which of the following crops helps in nitrogen fixation?
  • Rice
  • Wheat
  • Maize
  • Beans
Which of the following cows gives maximum milk yield?
  • Jersey
  • Holstein
  • Red Sindhi
  • Sahiwal
The crop which grows in alluvial soil and needs 150 cm rainfall is
  • Wheat
  • Rice
  • Groundnut
  • Sugarcane
It has been found recently that the acidity of the soil increases because of
  • Leaching away of bases
  • Increased use of ammonia
  • Increased use of urea
  • Increased use of rock phosphate
A report says - The number of bus accidents is more than that of car accidents, the number of car accidents is less than the number of truck accidents, the number of truck accidents is less than the number of bus accidents. Which of the following conclusions do you draw from this report?
  • There are more buses on road
  • There are more trucks on the road
  • Truck drivers are very careless
  • None of these
The cutting of forests leads to
  • Soil erosion and incontrollable floods
  • Desilting and denaturation
  • Increase of rainfall and humidity
  • None of these
Which of the following projects is administered by more than one State?
  • Nagarjuna Sagar Project
  • Kosi Project
  • Hirakud Project
  • Tungbhadra Project
Underground Railways are being built in India at
  • Bombay
  • Calcutta
  • Hyderabad
  • Madras
Recently, which of the following States has explored the possibility of constructing an artificial inland port to be connected to sea by a long navigational channel?
  • Andhra Pradesh
  • Chhattisgarh
  • Karnataka
  • Rajasthan
Natural resources are.
  • infinite
  • finite
  • ready to support many more billions of people
  • dispensable
Qantas Airways belongs to
  • Australia
  • West Germany
  • East Germany
  • New Zealand
(1) India generally produces more rice than wheat (2) Production of wheat increases marginally around 4 percent (3) India exports more sugar than wheat (4) The cultivable area under sugar is higher than under rice

1633994_d885e984c0d741a4bb57059d93b57801.PNG
  • Only 1 and 3 are correct
  • Only 1 and 2 are correct
  • Only 1 and 4 are correct
  • Only 2 and 4 are correct
Heavy rainfall affects soil by
  • Increasing its acidity
  • Increasing its alkalinity
  • Reducing its fertility
  • None of these
The following factors are important in production.
  • water space air
  • earth wind fire
  • animal vegetable object
  • technology time efficiency
Which of these types of industrial conflict is the odd one out?
  • sabotage
  • strike
  • overtime ban
  • work to rule (working only one's contracted hours noting more or less)
Farakka agreement between Bangladesh and India implies
  • Sharing of river water of Ganges
  • Free navigation
  • Mutual understanding of border areas
  • A peace treaty
In which type of rocks, fossils are more abundantly found ?
  • Igneous
  • Metamorphic
  • Sedimentary
  • None of these
According to sociology flow of information a century ago, communication around world depends on written messages delivered by boat, train, horse and wagon are called _________________.
  • Global migration
  • Global communication
  • Global economy
  • None of the above
Match the following.
List I
(Peaks)
List II
(Hill Range)
A. Gurushikhar$$1$$. Anaimalai
B. Dada Beta$$2$$. Aravali
C. Annaimudi$$3$$. Nilgiri
D. Dhupgarh$$4$$. Satpura
  • A-$$1$$, B-$$2$$, C-$$3$$, D-$$4$$
  • A-$$2$$, B-$$3$$, C-$$4$$, D-$$1$$
  • A-$$3$$, B-$$4$$, C-$$2$$, D-$$1$$
  • A-$$2$$, B-$$3$$, C-$$1$$, D-$$4$$
Which of the following species are rare species? 
  • Lion, Tailed monkey, Lesser florican
  • Strip tiger, Geer lion
  • Red panda, Musk deer
  • Shekru squirrel
Point out the correct sequence of mountain ranges from north to south.
  • Great Himalayan, Middle Himalaya, Outer Himalaya, Trans Himalaya
  • Trans Himalaya, Great Himalaya, Middle Himalaya, Outer Himalaya
  • Middle Himalaya, Great Himalaya, Trans Himalaya, Outer Himalaya
  • Outer Himalaya, Middle Himalaya, Great Himalaya, Trans Himalaya
A person to try preserve wetlands is _________________.
  • An example of preservation
  • An example of reservation
  • An example of consercation
  • None of these
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