Home
Class 12
BIOLOGY
Study the following ecological pyramids ...

Study the following ecological pyramids carefully.

Mathc the following statements I,ii and iii with gien pyramidsa, B and C and select the correct answer.
(i) Inverted pyramid of biomass depicting small standing crop of phytoplanktons supporintg a large standing crop of zooplanktons
(ii) Pyramid of numbers in a grassland ecosytems showing about 6 milion producers.
(iii) Upright pyramid of biomass

A

ii,iii,i

B

ii,I,iii

C

I,iii,ii,iv,v

D

I,ii,iii

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ECOSYSTEM

    NCERT FINGERTIPS ENGLISH|Exercise Ecosystem|140 Videos

  • BIOTECHNOLOGY AND ITS APPLICATION

    NCERT FINGERTIPS ENGLISH|Exercise Biotechnology And Its Application|137 Videos

  • ENVIRONMENTAL ISSUES

    NCERT FINGERTIPS ENGLISH|Exercise Environmental Issues|142 Videos

Similar Questions

Explore conceptually related problems

Read the following statements and select the correct option: (a) In an aquatic ecosystem, pyramid of biomass is inverted. (b)Biomass depends upon reproductive potential and longevity of individuals.

Which of the following ecological pyramids can be inverted? A. Pyramid of energy B. Pyramid of number C. Pyramid of biomass

Read the following statement regarding bryophytes and select the correct answer. (i). Bryophytes lack true roots, stem and leaves. (ii). The main plant body is haploid (iii). Sex-organs are unicellular and non-jacketed (iv). Fertilisation produces an embryo inside the water.

Read the following statements about the given diagram carefully and state which of them are correct ? (i) A carries urine and sperms. (ii) B secretes a fluid that helps in the lubrication of penis. (iii) D produces testosterone but not sperms (iv) C stroes sperms.

Read the following statements about the given diagram carefully and state which of them are correct. (i) A carries urine and C stores sperm. (ii) B secretes a fluid that helps in the lubrication of penis. (iii ) D produces testosterone but not sperms. (iv) C stores sperms.

Study the following statements and select the correct ones. (i) Herbarium is a store house of collected plant specimens that are dried, pressed and preserved on sheets. (ii) Flora provides the index to the plant species found in a particular area. (iii) Monographs contain information about particular taxon.

Given figure represents a pyramid of biomass in an aquatic ecosystem. Identify A and B and select the correct answer. (i) A is the crop which supporsts and B is the crop which is supported. (ii) A is the crop which is supported and B is the crop which supports. (iii) A is phytoplanktons and B is zooplanktons. (iv) A is zooplanktons and B is phytoplanktons.

Consider the following statements and select the correct option stating which ones are true (T) and which ones are false (F). (i) Pyramid of biomass is upright in the forest ecosystem and inverted in the grassland ecosystem. (ii) Pyramid of numbers is inverted in grassland and upright in aquatic ecosystem. (iii)Pyramid of energy depicts the rate of energy flow or productivity at successive trophic levels . (iv) Ecological pyramids have no place for detritivores and decomposers though they play an important role in an ecosystem.

Study the following statements and select the incorrect ones. (i) Pyramids of energy and yearly biomass production can never be inverted, since this would violate the laws of thermodynamics. (ii) Pyramids of standing crop and numbers can be inverted, since the number of organisms at a time does not indicate the amount of energy flowing through the system. (iii) There are certain limitations of ecological pyramids such as they do not take into account the same species belonging to two or more trophic levels. (iv) Saprohytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.

NCERT FINGERTIPS ENGLISH-ECOSYSTEM-Ecosystem
  1. Which kind of pyramid is represented by the given figure?

    Text Solution

    |

  2. In an open ocean, the biomass of primary producers (microscopic algae)...

    Text Solution

    |

  3. Study the following ecological pyramids carefully. Mathc the foll...

    Text Solution

    |

  4. Read the following statements and select the correct ones. (i) A giv...

    Text Solution

    |

  5. Which one of the following animals may occupy more than one trophic le...

    Text Solution

    |

  6. Organisms which are associated with first as well as third trophic lev...

    Text Solution

    |

  7. Which of the following representations shows the pyramid of numbers i...

    Text Solution

    |

  8. Pyramid of biomass for a grazing food chain represents

    Text Solution

    |

  9. Mr. X is eating curd/yoghut. For this food intake in a food chain he s...

    Text Solution

    |

  10. What kind of pyramid is represented by the given figure?

    Text Solution

    |

  11. Which kind of pyramid is represented by the given figure?

    Text Solution

    |

  12. In a grassland ecosystem, if the number of primary producers (plants) ...

    Text Solution

    |

  13. The given pyramid best represents

    Text Solution

    |

  14. Read the statements and select the correct option Statement 1: In an a...

    Text Solution

    |

  15. Study the following statements and select the incorrect one.

    Text Solution

    |

  16. Study the following statements and select the incorrect ones. (i) Py...

    Text Solution

    |

  17. The stable community during an ecological succession that would be nea...

    Text Solution

    |

  18. Primary succession occurs on

    Text Solution

    |

  19. Successions that occur on soils or areas which have recently lost thei...

    Text Solution

    |

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

    Text Solution

    |