Home
Class 12
BIOLOGY
Distinguish between: Food chain and Foo...

Distinguish between: Food chain and Food web

Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY: PRINCIPLES AND PROCESSES

    PSEB|Exercise EXERCISE|15 Videos
  • ENVIRONMENTALISSUES

    PSEB|Exercise EXERCISE|17 Videos

Similar Questions

Explore conceptually related problems

A diagrammatic representation of different trophic levels in an ecosystem is given below What is the difference between a food chain and food web? Which one is more stable?

Distinguish between controlled and uncontrolled chain reactions.

What is food web?

Soil pollutants affecting food chains and food webs by killing micro-organims are

Write note on Food chain?

Differentiate the following:food chain and food web

PSEB-ECOSYSTEM-EXERCISE
  1. Fill In the blanks: In aquatic ecosystems, the limiting factor for the...

    Text Solution

    |

  2. Fill In the blanks: Common detritlvores In our ecosystem are .

    Text Solution

    |

  3. Fill In the blanks: The major reservoir of carbon on earth is.

    Text Solution

    |

  4. Which one of the following has the largest population in a food chain?

    Text Solution

    |

  5. The second trophic level in a lake is :

    Text Solution

    |

  6. Secondary producers are

    Text Solution

    |

  7. What is the percentage of photosynthetically active radiation(PAR), in...

    Text Solution

    |

  8. Differentiate between grazing food chain and detritus food chain.

    Text Solution

    |

  9. Distinguish between Production and Decomposition.

    Text Solution

    |

  10. Distinguish between: Upright and inverted pyramid

    Text Solution

    |

  11. Distinguish between: Food chain and Food web

    Text Solution

    |

  12. Distinguish between: litter and detritus

    Text Solution

    |

  13. Distinguish between: Primary and secondary productivity

    Text Solution

    |

  14. Describe the components of an ecosystem.

    Text Solution

    |

  15. Define ecological pyramid and describe with examples pyramid of number...

    Text Solution

    |

  16. Define Productivity. What is primary productivity? Give brief descript...

    Text Solution

    |

  17. Define decomposition and describe the processes and products of decomp...

    Text Solution

    |

  18. Give an account of energy flow in an ecosystem.

    Text Solution

    |

  19. Write important features of a sedimentary cycle In an ecosystem.

    Text Solution

    |

  20. Outline salient features of carbon cycling in an ecosystem.

    Text Solution

    |