Food Chain And Food Web

There is no content available!

To Access the full content, Please Purchase

  • Q1

    In a grazing food chain, if all deer die, there will a decrease in the population of

    Marks:1
    Answer:

    leopard.

    Explanation:

    Leopard is a carnivorous animal that eats meat as the main part of its diet and depends on the herbivore animals, like deer, for food.

    View Answer
  • Q2

    Green plants produce food by the process of

    Marks:1
    Answer:

    photosynthesis.

    Explanation:

    Photosynthesis is the process of production of carbohydrates by plants from carbon dioxide and water in the presence of green pigment, called chlorophyll, using energy captured from sunlight and releasing excess oxygen as a byproduct.

    View Answer
  • Q3

    The given diagram is showing a food chain. Identify the producers.

    Marks:1
    Answer:

    Lettuce-plants

    Explanation:

    In the given food chain, the lettuce plants are producers. Slugs, toads and grass snakes are consumers while fungi are decomposers.

    View Answer
  • Q4

    If 500 J of energy is available at producer level, the amount of energy available to man in the given food chain is
    Plants
    Goat Man

    Marks:1
    Answer:

    5 J.

    Explanation:

    Only 10% of the energy is transferred to the next level in the food chain. Therefore, goat receives 50J of energy and man receive 5 joule of energy.

    View Answer
  • Q5

    Each food chain tells about the

    Marks:1
    Answer:

    type of organism feeding on the other organism.

    Explanation:

    There are many food chains operating in a forest. A simple grazing food chain explains that herbivores feed on green plants, primary carnivores feed upon herbivores, secondary carnivores feed upon primary carnivores and so on. There are generally three or four trophic levels operating in a food chain.

    View Answer