Answer the following questions.

Questions

10 questions · self-marked practice — reveal the answer and mark yourself.

Question 12 Marks

Give diagrammatic representation of pyramid of numbers.

Question 22 Marks

Explain the concept of primary productivity.

Question 32 Marks

Question 42 Marks

Define the terms:
(a) Gross primary productivity (b) Net primary productivity

Question 52 Marks

Explain energy pyramid.

Question 62 Marks

What is meant by ecological succession?

Question 72 Marks

Explain 'Carbon cycle'.

Question 82 Marks

Give schematic representation of carbon cycle.

Question 92 Marks

What is the role of decomposers in an ecosystem?

Question 102 Marks

Give the hazardous effects of agrochemicals

Biology Answer the following questions.