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Question 1:

Consider the following, statements:

1. A food web consists of all the food chains in a single ecosystem.

2. Each living thing in the ecosystem is part of multiple food chains.

Which of the above statement(s) is/are correct? 

Question 2:

Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level in a food chain is called:

Question 3:

In nature, which of the following is/are most likely to be found surviving on a surface without soil?

1. Fern

2. Lichen

3. Moss

4. Mushroom

Select the correct answer using the code given below.

Question 4:

The 'Nilgiri Tahr' is naturally found in which one of the following areas of India?

Question 5:

Ozone day is observed on-

Question 6:

Which of the following is/are incorrect category of zone of noise pollution?

Question 7:

Which of the following states has the maximum increase in forest cover according to “India State of Forest Report (ISFR)”, 2019?

Question 8:

A high BOD indicates:

Question 9:

Consider the following statements:

1. The energy from the sun is the basic source of energy in all the ecosystems.

2. Every factor in an ecosystem depends on every other factor, either directly or indirectly.

Which of the above statement(s) is/are correct?

Question 10:

With reference to the location of the Tundra Biome, is the statement correct?