Prelims Power Play 26 July 2023

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1. The term “sixth mass extinction/sixth extinction” is often mentioned in the news in the context of the discussion of

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.

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.

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

Man kinds over exploitation of natural resources, fragmentation of habitat, destruction of ecosystem and climate change.

2. Madhav Gadgil Report recently in news had recommended which of the following region to be declared as Ecologically Sensitive Zone

Himalayas

Coastal India

Western Ghats

River basin

3. Consider the following

Gujarat
Maharashtra
Goa
Tamil Nadu
Karnataka
Kerala

How many of the above states are part of Western Ghats? Select the correct answer?

4, 5 and 5

3, 4, 5 and 6

2, 3, 4, 5 and 6

1, 2, 3, 4, 5 and 6

4. Consider the following statements about Pollinators:

Vectors that move pollen within the flower and from flower to flower are called pollinators.
The effect of climate change is the top global cause of pollinator loss.
Crops dependent on pollinators fluctuate more in yield than crops independent of pollinators.

How many of the above statements is/are correct?

Only one

Only two

All three

None

5. Consider the following regarding commemorative coins

They are not legal tenders.
They are not released for general circulation.

Which of the above statements is /are correct?

1 only

2 only

1 and 2 both

None