Skip to content
Philoid
Browse Saved
Back to chapter
Biology
7. Energy Flow in an Ecosystem
Home · Class 9 · Biology · Ref. Book · 7. Energy Flow in an Ecosystem
Next
Q1 of 10 Page 87

Complete the following table (Carefully study the carbon, oxygen and nitrogen cycles).


More from this chapter

All 10 →
2

Correct and rewrite the following statements and justify your corrections.

A. Carnivores occupy the second trophic level in the food chain.


B. The flow of nutrients in an ecosystem is considered to be a ‘one way’ transport.


C. Plants in an ecosystem are called primary consumers.

3

Give reasons.

A. Energy flow through an ecosystem is ‘one way’.


B. Equilibrium is necessary in the various bio-geo-chemical cycles.


C. Flow of nutrients through an ecosystem is cyclic.

4

Explain the following cycles in your own words with suitable diagrams.

A. Carbon cycle.


B. Nitrogen cycle.


C. Oxygen cycle.

5

What would you do to help maintain the equilibrium in the various bio-geo- chemical cycles? Explain in brief.

Questions · 10
7. Energy Flow in an Ecosystem
1 2 3 4 5 6 7 8 9 10
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved