Home
Class 12
BIOLOGY
Primary productivity depends upon...

Primary productivity depends upon

A

light and temperature

B

water and nutrients

C

photosynthetic capacity of producers

D

all of these.

Text Solution

Verified by Experts

The correct Answer is:
D

The primary productivity of an ecosystem is the rate at which biomass or organic matter is produced per unit area per unit time by plants (primary producers). Primary productivity depends upon plant species of the area, their photosynthetic capacity, availability of nutrients, soloar radiations, precipitiation, soil type and a number of other environmental factors.
Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY AND ITS APPLICATION

    NCERT FINGERTIPS|Exercise Biotechnology And Its Application|137 Videos
  • ENVIRONMENTAL ISSUES

    NCERT FINGERTIPS|Exercise Environmental Issues|142 Videos

Similar Questions

Explore conceptually related problems

(A) : Primary productivity depends on the plant species inhabiting a particular area. (R) : The annual net primary productivity of our biosphere is about 170 billion tons of organic matter.

The magnitude of primary productivity depends on the photosynthetic capacity of producers and the prevailing environmental conditions, particularly :

RQ depends upon

Density depends upon

Primary productivity does not depend upon

Primary productivity of plants in an ecosystem depends on

Write the relationship between productivity, gross primary productivity, net primary productivity, net primary productivity and secondary productivity.

Protein quality depends upon

On sulhonation , phenol gives two products, ortho and para phenol sulphonic acids . The variation in products depend upon the __________.

NCERT FINGERTIPS-ECOSYSTEM-Ecosystem
  1. is the rate of production of organic matter by consumers.

    Text Solution

    |

  2. The rate of formation of new organic matter by rabbit in a grassland, ...

    Text Solution

    |

  3. Primary productivity depends upon

    Text Solution

    |

  4. The annual net primary productivity of the whole biosphere is approxim...

    Text Solution

    |

  5. Which one of the following exhibits least productivity?

    Text Solution

    |

  6. Which one of the following is the most productive ecosystem?

    Text Solution

    |

  7. Arrange the following ecosystems in increasing order of their mean NP...

    Text Solution

    |

  8. Fragmentation, leaching and catabolism are some of the important steps...

    Text Solution

    |

  9. Read the given statements and select the correct option. Statement 1 :...

    Text Solution

    |

  10. which of the following is not characteristic of humus?

    Text Solution

    |

  11. Match column I with column II and select the correct option from the g...

    Text Solution

    |

  12. During the process of decompositon

    Text Solution

    |

  13. Rate of decompositon depends upon

    Text Solution

    |

  14. Decomposers are also called as

    Text Solution

    |

  15. The ultimate energy source of all ecosystem is

    Text Solution

    |

  16. Percentage of photosynthetically active radiation (PAR) in the inciden...

    Text Solution

    |

  17. Percentage of photosyntetically active radiation (PAR) that is capture...

    Text Solution

    |

  18. Read the given statements and select the correct option. Statement 1...

    Text Solution

    |

  19. Given figure represents two food chains (X and Y) linked together to f...

    Text Solution

    |

  20. Select the option that correctly identifies A,B and C in the table.

    Text Solution

    |