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CBSE Questions for Class 8 General Knowledge India: Science And Technology Quiz 9 - MCQExams.com
CBSE
Class 8 General Knowledge
India: Science And Technology
Quiz 9
The capital of Ecuador is ________.
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Deli
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Quito
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San Jose
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Cairo
The currency of Antigua Barbuda is _________.
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Dollar
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Pound
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Dirham
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Taka
Out of the total area of the world South America contains __________.
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9.20%
0%
8.90%
0%
8.60%
0%
7.90%
BOAC' is the airline of _________.
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Italy
0%
France
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Britain
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Nepal
TT' is the news agency of ____________.
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Sweden
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India
0%
UK
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Norway
Speleology is the scientific study of ____________.
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Soil
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Caves
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Sky
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Clouds
In assumptions testing, violation of constant variance is/ is called ________________.
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heteroscedasticity
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heterogeneous
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homogenous
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homoscedasticity
SIDBI related statements are given. Pick the wrong statement.
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SIDBI means Small Industries Development Bank of India
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It was established on 2nd April 1990
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It is the principal financial institution for the promotion, financing and development of industry in the small scale sector
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Its head office is in Nagpur
Techniques of managerial control are useful in __________________.
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selection of Plant location
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identifying appropriate technology
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profit Planning
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conducting shareholder's meetings
All of the following are technologies used to gather information about you online except ____________.
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spy ware
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cookies
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Gmail
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anonymizers
What is a technology-enabled microchip implanted into the human body?
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Wearable computer
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GPS
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Implant chip
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None of the above
Intercom system is connected with ________.
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telephone exchange
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PBX system
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EBPAX system
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FAX
Disinvestment Commission was set-up in ___________.
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1995
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1996
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1997
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1998
A useful hypothesis will enable _______________.
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Predictions by searching
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Prediction by Assuming
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Predictions by reasoning
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None of these
CAD stands for ____________.
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Computer Aided Design
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Community Area Development
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Central Appraisal District
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Common Authority Development
Consider the following statements about national calender of India.
$$1$$.
The national calender based on the Saka era with Chaitra as its first mouth.
$$2$$.
Dates of the national calendar have a permanent correspondence with dates of the Gregorian calendar.
Which of the statements given is/are correct?
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$$1$$ only
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$$2$$ only
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Both $$1$$ and $$2$$
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Neither $$1$$ nor $$2$$
Explanation
The national calendar of India os based on the Saka Era with Chaitra as its first month and a normal year of $$365$$ days. Dates of the national calendar also have a permanent correspondence with the dates of Gregorian calendar- $$1st$$ of Chaitra falling on $$22nd$$ of March normally and on $$21st$$ of March in a leap year.
"Sardar Sarovar Dam" is built on river _______________.
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Narmada
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Godavari
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Krishna
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None of these
Explanation
Saradar Sarovar Dam is built on river Narmada. This dam is situated in Gujarat.
Red cross day is celebrated on ____________.
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$$1$$ Jan
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$$5$$ Dec
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$$8$$ May
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$$21$$ March
Explanation
Red Cross Day is celebrated on 8 May every year in India.
The treatment of cancer by gamma rays is called as ______.
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Hormone therapy
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Chemotherapy
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Radiation therapy
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All of the above
Explanation
Radiation therapy is a therapy using ionizing radiations, especially gamma radiations, generally as a part of cancer treatment to control or kill malignant cells. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body.
So, the correct answer is 'Radiation therapy'.
Large amount of information is stored in ______ unit of computer.
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memory
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control unit
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monitor
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none of these
Explanation
The large amount of the information are stored in the memory unit of the the computer system
Bhabha Atomic Research Center is situated in ____________.
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Delhi
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Mumbai
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Chennai
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Hyderabad
Explanation
Bhabha Atomic Research Center is India's multi disciplinary Nuclear research center headquartered in Trombay, Mumbai. It was first created as Atomic Energy Establishment by the Government of India with its founding director Homi J. Bhabha on 3 January, 1954. It was renamed on 22 January 1967, after the death of Homi J. Bhabha in 1966.
For emergency, call _________ for ambulance service.
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108
0%
100
0%
106
0%
None of these
Explanation
For emergency, call 108 for ambulance service.
Which of the following country/countries successfully inserted a spacecraft into Mars orbit by maiden attempt?
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USA
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Russia
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India
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China
Explanation
India is the first country in the world to make it to the Mars orbit in the first attempt. Indian Space Research Organisation (ISRO) successfully inserted its low-cost Mars Orbiter Mission (MOM) spacecraft, or Mangalyaan, into an orbit around the Red Planet.
The Indian Mars mission was launched on November 5, 2013, onboard ISRO’s workhorse rocket the PSLV.
The European Space Ageney (ESA) succesefully landed a spacecraft on a speeding comet that lies 310 million miles away from Earth As a result, the scientists may find out______________.
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The age of the Sun
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The age of the Universe
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New fundamental atomic particles
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The role of the comets in bringing organic matter and water to Earth
Recently Microsoft announced its 26.2 billion dollar acquisition of which one of the following professional networking sites?
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Partner Up
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Perfect Business
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Startup Nation
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Linkedln
Explanation
Microsoft
had
announced it
will
acquire
LinkedIn in an all-cash transaction worth $26.2
billion.
LinkedIn is the world’s largest and most valuable professional network and continues to build a strong and growing business.
In which year was the Indian Space Research Organisation founded?
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1967
0%
1969
0%
1970
0%
1974
Explanation
The Indian Space Research Organisation ( ISRO ) is the space agency of the Government of India headquartered in the city of Bengaluru. Its vision is to "harness space technology for national development while pursuing space science research and planetary exploration''.
Formed in 1969, ISRO superseded the erstwhile Indian National Committee for Space Research (INCOSPAR) established in 1962 by the efforts of independent India's first Prime Minister, Jawaharlal Nehru, and his close aide and scientist Vikram Sarabhai. The establishment of ISRO thus institutionalized space activities in India. It is managed by the Department of Space, which reports to the Prime Minister of The Republic of India.
In the term GIS, 'G' stands for _____________.
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Global
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Geographic
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Geometric
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Geological
Explanation
GIS stands for geographic information system. It is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.
People and methods are combined with geospatial software and tools, to enable spatial analysis, management large datasets, and the display of information in a map/graphical form.
Who among the following discovered the antibiotic producing fungus from Penicillium genus?
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Louis Pasteur
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Sir Alexander Fleming
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Stanley Prusiner
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Robert Hooke
Explanation
Sir Alexander Fleming discovered first antibiotic (Penicillin G) producing fungus from
Penicillium
genus in 1928. Sir Alexander Fleming grew the mould in a pure culture. The mould produced a substance that killed a number of disease-causing bacteria. He identified that substance obtained from mould
Penicillium notatum
.
Thus, the correct answer is 'Sir Alexander Fleming.'
The world's largest biomass cookstove system for cooking in community kitchen has been installed at _________.
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Tirupati
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Amritsar
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Shirdi
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Udupi
Explanation
The world's largest biomass cookstove system for cooking in community kitchen has been installed at Shirdi
at the cost for the system is about Rs 13.3 million
. The previous one was also in India at Tirumala temple in Andhra pradesh.
The first Indian Satellite, Aryabhatt, was launched in the year _________.
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1972
0%
1975
0%
1976
0%
1979
Explanation
Aryabhata was the first unmanned Earth satellite built by India. It was launched by India on 19 April 1975 from Kapustin Yar, a Russian rocket launch and development site in Astrakhan Oblast using a Kosmos-3M launch vehicle. It
weighed 794 pounds (360 kg) and was its objective was to explore conditions in Earth’s ionosphere, measure neutrons and gamma rays from the Sun, and perform investigations in X-ray astronomy.
Consider the following statements about Indian Regional Navigation Satellite System (IRNSS):
IRNSS is a constellation of five satellites, which were launched by PSLV.
It is an independent regional navigation satellite system designed to provide position information in the Indian region.
Which of the statements given above is/are correct?
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1 only
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2 only
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Both 1 and 2
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Neither 1 nor 2
Explanation
The Indian Regional Navigation Satellite System (IRNSS) regional satellite navigation system, that provides accurate real-time positioning and timing services.The system at-present consist of a constellation of 7 satellites, of which 4 are geosynchronous and 3 are geostationary, with two additional satellites on ground as stand-by. It will provide two levels of service, the 'standard positioning service' and 'restricted service'.
Consider the following statements about Prithvi-II Missile :
It is a nuclear-capable ballistic missile.
It has a maximum range of 100 km.
It is India's first native made ballistic missile.
Which of the statements given above is/are correct?
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1, 2 and 3
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1 only
0%
1 and 3 only
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2 and 3 only
Explanation
Prithvi is a tactical surface-to-surface short-range ballistic missile (SRBM) developed by DRDO under the Integrated Guided Missile Development Program (IGMDP). It is India's first indigenously developed nuclear capable missile. It has a maximum range of 350km. It is
a single-stage liquid-fueled missile having a maximum warhead mounting capability of 500 kg
Vikram Sarabhai Space Centre (VSSC) is at ________.
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Thiruvananthapuram
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Mumbai
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Hyderabad
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Bengaluru
Explanation
The Vikram Sarabhai Space Centre is a major space research centre of the Indian Space Research Organisation, focusing on rocket and space vehicles for India's satellite programme. It is located in Thiruvananthapuram, in the Indian state of Kerala.
Which one of the following Union Ministries is implementing the INSPIRE programme?
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Ministry of Agriculture
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Ministry of Science and Technology
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Ministry of New and Renewable Energy
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Ministry of Rural Development
Explanation
"Innovation in Science Pursuit for Inspired Research (INSPIRE)" is an innovative programme sponsored and managed by the Department of Science & Technology for attraction of talent to Science. The basic objective of INSPIRE is to communicate to the youth of the country the excitements of creative pursuit of science, attract talent to the study of science at an early age and thus build the required critical human resource pool for strengthening and expanding the Science & Technology system and R&D base.
It does not believe in conducting competitive exams for identification of talent at any level. It believes in and relies on the efficacy of the existing educational structure for identification of talent.
Consider the following statements.
Indira Gandhi Centre for Atomic Research uses fast reactor technology.
Atomic Minerals Directorate for Research and Exploration is engaged in heavy water production.
Indian Rare Earths Limited is engaged in the manufacture of Zircon for India's Nuclear Programme besides other rare earth products. Which of the statements given above are correct?
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1, 2 and 3
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1 and 2
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1 and 3
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2 and 3
'Rio + 20' is the short name for ___________.
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Millennium Development Goals
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United Nations Conference on Sustainable Development
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Earth Summit
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Post-2015 Development Agenda
The term 'IndARC', is the name of ___________.
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an indigenously developed radar system inducted into Indian Defence.
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India's satellite to provide service to the countries of Indian Ocean Rim.
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a scientific establishment set-up by India in Antarctic region.
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India's under water observatory to scientifically study the arctic region.
In the year 2011 oilzapper was in the news. What is it?
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It is an eco-friendly technology for the remediation of oily sludge and oil spills
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It is the latest technology developed for under-sea oil exploration
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It is a genetically engineered high biofuel-yielding maize variety
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It is the latest technology to control the accidentally caused flames from oil wells
Which one among the following is the best reason for the marked increase in the agricultural production in India in the past decades?
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Increases in the area under cultivation
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Conversion of barren land into agricultural land
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Use of improved agricultural methods and technologies
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Priority status given by the successive governments to agricultural sector over the industry sector
Where is National Institute of Nutrition located?
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Bengaluru
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Hyderabad
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Mysore
0%
Pune
Explanation
The National Institute of Nutrition is an Indian Public health, Biotechnology and Translational research center located in Hyderabad.
A generally engineered form of brinjal known as the Bt-brinjal has been developed. The objective of this is _____________.
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to make in pest-resistant
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to improve its taste and nutritive qualities
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to make it drought-resistant
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to make its shelf life longer
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as __________.
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biomagnification
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bioremediation
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biomethanation
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bioreduction
Before X-ray examination of the stomach, patients are given suitable salt of barium because ___________.
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barium salts are white in colour and this helps stomach to appear clearly
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barium is a good absorber of X-rays and helps stomach to appear clearly
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barium salts are easily available
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barium allows X-rays to pass through the stomach
Consider the following statements.
A Computed Tomography (CT) scan uses X-rays to make detailed pictures of structures inside the body.
A CT scan can be used to study all parts of body.
CT scan can help determine how much the cancer has spread. This is called staging the cancer.
Which of the statements given above are correct?
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1 and 2
0%
2 and 3
0%
1 and 3
0%
1, 2 and 3
Which of the following is used to know the development of foetus in uterus?
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X-rays
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IR-rays
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Ultrasound
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Ultraviolet rays
Consider the following statements.
Cryotherapy is the general use of low temperatures in medical therapy.
It is used to treat a variety of benign and malignant lesions.
Which of the statements) given above is/are correct?
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Only 1
0%
Only 2
0%
Both 1 and 2
0%
None of the above
Consider the following statements.
Magnetic Resonance Imaging (MRI) is a test that uses powerful magnets and radio waves for creating pictures of the body.
MRI is used to find problems such as tumours, bleeding injury, blood vessel diseases or infection.
MRI does not use radiation (X-rays).
Which of the statements given above are correct?
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1 and 2
0%
2 and 3
0%
1 and 3
0%
1, 2 and 3
Consider the following statements.
Gene therapy is an experimental technique that uses genes to treat or prevent disease.
In the future, this technique may allow doctors to treat a disorder by inserting a gene into a patient's cells instead of using drugs or surgery.
Which of the statements is/are correct?
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Only 1
0%
Only 2
0%
1 and 2
0%
None of the above
Magnetic Resonance Imaging (MRI) is used in medical diagnosis to obtain images of our internal body organs. This is primarily possible because ________________.
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Our body possesses a permanent magnet
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MRI uses an external magnet to generate a magnetic field in our body
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MRI uses an external electric field to generate magnetic field in our body
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ions motion along our nerve cells generates magnetic fields
Consider the following statements.
Angiography is a medical imaging technique that uses an injection of a liquid dye to make the arteries easily visible on X-rays.
Digital Subtraction Angiography (DSA) is particularly useful in diagnosing arterial blockage.
Which of the statement(s) given above is/are correct?
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Only 1
0%
Only 2
0%
Both 1 and 2
0%
None of the above
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