Home
Class 12
BIOLOGY
Oceans occupy A percent of the earth sur...

Oceans occupy A percent of the earth surface and have a productivity of B percent of the productivity of the whole biosphere
Choose the option which fits best for A & B in order

A

50, 50

B

70, 10

C

70, 30

D

30, 70

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Ecology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|75 Videos

  • ENVIRONMENTAL ISSUES

    TRUEMAN BIOLOGY|Exercise CHECK YOUR CONCEPT (Environmental Issues/Pollution)|10 Videos

Similar Questions

Explore conceptually related problems

A reaction is first order with respect to reactant A and second order with respect to reactant B in a reaction A+Brarr product. i) Write the differential rate equation. ii) How is the rate of the reaction affected on increasing the concentration of B by two times?

A reaction is first order with respect to the reactant A and second order with respect to the reactant B in a reaction A+Bto product How is the rate of the reaction affected on increasing tile concentration of B by two times.

The following is a simplified scheme showing the fate of glucose during aerobic and anaerobic respiration. Identify the end products that are formed at stages indicates as A, B, C, and D. Identify the correct option from those given below.

A metal X is stored under kerosene. When a small piece of it is left open in the air, it catches fire. When the product formed is dissolved in water it turns red litmus blue. a. Name the metal X. b. Write the chemical equation for the rection when it is exposed to air and when the product is dissoolved in water. c. Explain the process by which the metal is obtaned from its molten chloride.

TRUEMAN BIOLOGY-ECOSYSTEM -MCQ
  1. The zone at the edge of a lake or ocean which is alternatively exposed...

    Text Solution

    |

  2. Edaphic factor refers to:

    Text Solution

    |

  3. Oceans occupy A percent of the earth surface and have a productivity o...

    Text Solution

    |

  4. Bacterial and fungal enzymes degrade the detrius into simple inorganic...

    Text Solution

    |

  5. Read the following statements about 'Humus', Choose the best option ...

    Text Solution

    |

  6. All favour the process of decomposition except

    Text Solution

    |

  7. Sun is the only source of energy for the given ecosystems except

    Text Solution

    |

  8. In a terrestrial ecosystem the large fraction of energy flows through

    Text Solution

    |

  9. Choose how many out of the given list are omnivores- Rabbit, Sparrow, ...

    Text Solution

    |

  10. Choose the option which gives the correct order of the organisms in th...

    Text Solution

    |

  11. Go through the following Statements (i) A trophic level represents o...

    Text Solution

    |

  12. All are true for ''Climax community'' except

    Text Solution

    |

  13. Choose the area which will take minimum time for succession.

    Text Solution

    |

  14. Lichen is pioneer in succession of

    Text Solution

    |

  15. Choose the correct combination of labelling of the zones in water in a...

    Text Solution

    |

  16. Which one of the following types of organisms occupy more than one tro...

    Text Solution

    |

  17. The correct sequence of plants in a hydrosere is

    Text Solution

    |

  18. The term Homeostasis in an ecosystem refers to

    Text Solution

    |

  19. Maximum energy amongst ecosystems is contributed by

    Text Solution

    |

  20. The biomass available for consumption by the herbivores and the decomp...

    Text Solution

    |