Biodiversity UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Biodiversity MCQ Questions


13.
What are producers in the food web?
A.
Animals eating plants
B.
Plants that produce energy from sunlight
C.
Humans who consume food
D.
Microorganisms that recycle nutrients
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ANSWER :
B. Plants that produce energy from sunlight
14.
What service is NOT part of ecosystem services provided by biodiversity?
A.
Climate stability
B.
Food production
C.
Pollution absorption
D.
Soil formation
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ANSWER :
B. Food production
15.
With reference to agriculture in India, how can the technique of 'genome sequencing ', often seen in the news, be used in the immediate future?
1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants.
2. This technique helps in reducing the time required to develop new varieties of crop plants .
3. It can be used to decipher the host-pathogen relationships in crops.
Select the correct answer using the code given below:
UPSC - 2017
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1,2 and 3
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ANSWER :
D. 1,2 and 3
16.
The term “sixth mass extinction/sixth extinction” is often mentioned in the news in the context of the discussion of
UPSC - 2018
A.
Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.
B.
Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs
C.
Large scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity.
D.
Mankind’s over-exploitation /misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.
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ANSWER :
D. Mankind’s over-exploitation /misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.
17.
Which of the following is a biological service provided by biodiversity?
A.
Research and education
B.
Breeding stocks
C.
Climate regulation
D.
Tourism
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ANSWER :
B. Breeding stocks
18.
Which one of the following groups of plants was domestricated in the 'New World' and introduced into the 'Old World'?
UPSC - 2019
A.
Tobacco, cocoa and rubber
B.
Tobacco, cotton and rubber
C.
Cotton, coffee and sugarcane
D.
Rubber, coffee and wheat
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ANSWER :
A. Tobacco, cocoa and rubber