Prelims Power Play 25 December 2022

This quiz contains 5 questions and each contains 1 points.

Click on – ‘Start Quiz’ button

Solve Questions

Click on ‘Finish Quiz’ button

1. Sixth mass extinction recently

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 dinosarus

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.

Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change

2. Consider the following

overfishing
pollution
infrastructure development
invasive alien species

How many of the above is/are responsible for 6^th mass extinction

Only one

Only two

Only three

All four

3. Species Survival Commission (SSC) is an initiative of

World Wildlife Fund

UNEP

IUCN

World Bank

4. Scientists have warned that the Great Barrier Reef will face a critical period of heat stress, following the most widespread coral bleaching the natural world has ever endured. Which of the following are reasons of coral bleaching:

Elevated Sea surface temperature
Ocean Acidification
Solar radiation
Pollution

Select the correct answer?

1 only

2 only

1 and 2 only

1, 2, 3 and 4

5. With reference to the Great Barrier Reef in Australia, Consider the following statements:

It has been placed on a list of world heritage sites in danger.
It can be seen from outer space.
It is the largest aggregation of coral reefs.

Which of the above statements is/are correct?

2 only

1 and 2 only

2 and 3 only

1, 2 and 3