Monohar Pandey Solutions for Exercise 1: Exercise 1

When the succession starts under conditions highly unfavourable to plant s.owth and plants themselves, they have to create a suitable physical environment for themselves, it is

With reference to food chains in ecosystems, consider the following statements

1. A food chain illustrates the order, in which a chain of organisms feed upon each other.

2. Food chains are found within the population of a species.

3. A food chain illustrates the numbers of each organism, which are eaten by others.

Which of the statements given above is/are correct?

An ecosystem is a/an

The functioning of an ecosystem involves

Which one of the following organisms is likely to show the highest concentration of DDT, once it has been introduced into the ecosystem?

Phytotron is a facility to

The driving force of an ecosystem is

With reference to 'dugong', a mammal found in India, which of the following statements is/are correct ?

1. It is herbivorous marine animal.

2. It is found. along the entire coast of India.

3. It is given legal protection under Schedule I of the Wildlife Protection Act, 1972 .

Select the correct answer using the codes given below.