What is primary productivity? Give brief | Class 12 Biology Chapter Ecosystem, Ecosystem NCERT Solutions

Q9. What is primary productivity? Give brief description of factors that affect primary productivity.

It is defined as the amount of organic matter or biomass produced by producers per unit area over a period of time.

Primary productivity of an ecosystem depends on the variety of environmental factors such as light, temperature, water, precipitation, etc. It also depends on the availability of nutrients and the availability of plants to carry out photosynthesis.

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Important Questions & Answers

What is the correct answer to: What is primary productivity? Give brief description of factors that affect primary productivity.?

It is defined as the amount of organic matter or biomass produced by producers per unit area over a period of time.

Primary productivity of an ecosystem depends on the variety of environmental factors such as light, ...

How do you solve What is primary productivity? Give brief description of factors that affect primary productivity. step by step?

Step-by-step explanation:
• It is defined as the amount of organic matter or biomass produced by producers per unit area over a period of time


• Primary productivity of an ecosystem depends on the variety of environmental factors such as light, temperature, water, precipitation, etc
• It also depends on the availability of nutrients and the availability of plants to carry out photosynthesis

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

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