CBSE Class VII Science Solutions

Displaying 5 out of 23 questions & answers.
Q1.

Write T for the true and F for the false statements.

  1. Green plants are called autotrophs.
  2. During photosynthesis light energy is converted into chemical energy.
  3. Carbon dioxide is released during the process of photosynthesis.
  4. The food prepared by the plant is stored as glucose.
  5. Mycorrhizal root is a good example of a parasitic plant.
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  1. True
  2. True
  3. False
    Oxygen is released during the process of photosynthesis.
  4. True
  5. False
    Sandalwood tree is a good example of a parasitic plant.
Q2.

Give one word for the following:

  1. An organism living on dead and decaying matter.
  2. The leaf is modified to form a structure having a lid to capture insect.
  3. The association where both the partners mutually gain from each other.
  4. The food component which is made up of nitrogen, carbon, hydrogen and oxygen.
  5. A plant that shows both autotrophic and heterotrophic mode of nutrition.
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  1. Saprophyte
  2. Pitcher
  3. Mutualism
  4. Protein
  5. Carnivorous
Q3.

Match the columns.

AB
1. Complete parasitea. Lichen
2. Symbiotic plantb. Indian pipe
3. Saprophytic plantc. Venus flytrap
4. Insectivorous plantd. Dodder

 

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  1. (d) Dodder
  2. (a) Lichen
  3. (b) Indian pipe
  4. (c) Venus flytrap
Q4.

Give two examples of each.

  1. parasitic plants
  2. insectivorous plants
  3. saprophytic plants
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  1. Cuscuta, sandalwood tree
  2. Pitcher plant, venus flytrap
  3. Indian pipe, coral root
Q5.

Why do insectivorous plants eat insects?

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