Home
Class 12
BIOLOGY
A healthy forest ecosystem (a) Purify ...

A healthy forest ecosystem
(a) Purify air and water
(b) Mitigate droughts and floods
(c) Cycle fertile soils
(d) Generate fertile soils
(e) Provide wildlife habitat
(f) Maintain biodiversity
(g) Pollinate crops
(h) Provide storage site for carbon
(i) Provide aesthetic , cultural and spiritual values

A

b,d,e,f,h and i

B

a,b,c,f,g and i

C

a,b,c,d,e,f, and g

D

a,b,c,d,e,f,g,h and i

Text Solution

Verified by Experts

The correct Answer is:
D
A healthy forest ecosystem
a.Purify air and water
b. Mitigate droughts and floods
c. Cycle nutrients
d. Generate fertile soils
e. Provide wildlife habitat
f. Maintain biodiversity
g. Pollinate crops
h. Provide storage site for carbon
i. Provide aesthetic , cultural and spiritual values.
Promotional Banner

Topper's Solved these Questions

  • ECOSYSTEM

    A2Z|Exercise Section B: Assertion-reasoning Questions|23 Videos

  • ECOSYSTEM

    A2Z|Exercise Section C: (PREVIOUS YEARS' EXAMINATION QUESTIONS) NEET/AIMPT Questions|59 Videos

  • ECOSYSTEM

    A2Z|Exercise Section A: Topicwise Questions (topic 6: Ecological Succession) Succession Of Plants|20 Videos

  • BIOTECHNOLOGY: PRINCIPLES AND PROCESSES

    A2Z|Exercise Section D: Chapter-end Test|50 Videos

  • ENVIRONMENTAL ISSUES

    A2Z|Exercise Section D : Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

The surface of water in a lake appears green due to a layer of tiny free-floating organisms X on its surface. The lake water also contains organisms like water beetle, fish and tadpole. The sun shines over the lake water and provides energy for the functioning of this lake ecosystem. (a) What could organisms X be ? (b) Write a food chain comprising of all the four organisms metioned. (c) What is the general name of the food chains like the one written above ? (d) Name (i) secondary consumer (ii) producer (iii) tertiary consumer, and (iv) primary consumer, in the above food chain. (e) If the tertiary consumer gets 0.2 J of energy from the secondary consumer, then how much energy was radiated by the sun to the producer ?

A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it . (a) Write a food chain comprising all the four organisms mentioned above. (b) Name (i) one herbivore, and (ii) two carnivores, in this food chain. (c) Name the link which is a predator as well as a prey. (d) Name (i) second trophic level, and (ii) third trophic level. (e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently ? (f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.

A2Z-ECOSYSTEM-Section A: Topicwise Questions (topic 7: Nutrient Cycling And Ecosystem Services) Carbon Cycle And P
  1. The movement of nutrient elements through the various components of an...

    Text Solution

    |

  2. Environmental factors which regulate the rate of release of nutrients ...

    Text Solution

    |

  3. Read the following statements and find out the incorrect statement. ...

    Text Solution

    |

  4. Carbon cycle occurs through (a) Atmosphere (B) Ocean (c) Living o...

    Text Solution

    |

  5. How much amount of carbon is fixed in the biosphere annually ?

    Text Solution

    |

  6. A considerable amount of carbon returns to the atmosphere as CO(2) thr...

    Text Solution

    |

  7. Fill in the blanks. 1. …a… also represent a reservoir of carbon. ...

    Text Solution

    |

  8. Which of the following significantly increased the rate of release of ...

    Text Solution

    |

  9. Many animals needlarge quantities of phosphorus to make

    Text Solution

    |

  10. Phosphorus present I the rocks in form of

    Text Solution

    |

  11. Phosphorus is the major constituients of (a) Biological membrane ...

    Text Solution

    |

  12. Herbivores and other animals obtain P from

    Text Solution

    |

  13. The products of ecosystem processes are named as

    Text Solution

    |

  14. A healthy forest ecosystem (a) Purify air and water (b) Mitigate d...

    Text Solution

    |

  15. The cost of ecosystem services is nearly

    Text Solution

    |

  16. The total cost of the ecosystem services is nearly

    Text Solution

    |

  17. The value of the global gross national product GNP is

    Text Solution

    |

  18. Match the columns I and II and choose the correct combination from the...

    Text Solution

    |

  19. Fill in the blanks (a) Plants are called as J because they fix carbo...

    Text Solution

    |

  20. Identify the incorrect statement from the following .

    Text Solution

    |