NCERT Class VII Science Solutions: Chapter 1-Nutrition in plants Part 4

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Watch Video Lecture on YouTube: NCERT Class 7 Science Chapter 1: Nutrition in Plants

NCERT Class 7 Science Chapter 1: Nutrition in Plants

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Question 10:

Mark ‘T’ if the statement is true and ‘F’ if it is false:

  1. Carbon dioxide is released during photosynthesis. (T/F)

  2. Plants which synthesise their food themselves are called saprotrophs. (T/F)

  3. The product of photosynthesis is not a protein. (T/F)

  4. Solar energy is converted into chemical energy during photosynthesis.

Answer:

  1. Carbon dioxide is released during photosynthesis. (False)

  2. Plants which synthesise their food themselves are called saprotrophs. (False)

  3. The product of photosynthesis is not a protein. (True)

  4. Solar energy is converted into chemical energy during photosynthesis. (True)

Question 11:

Choose the correct option from the following:

Which part of the plant takes in carbon dioxide from the air for photosynthesis?

  1. Root hair

  2. Stomata

  3. Leaf veins

  4. Sepals

Answer:

B. Stomata

This image shows for the stomata underside of a leaf

Image of Stomata

Question 12:

Choose the correct option from the following:

Plants take carbon dioxide from the atmosphere mainly through their:

  1. Roots

  2. Stem

  3. Flowers

  4. Leaves

Answer:

D. leaves

Image shows leave take carbon dioxide from the atmosphere

Leave Take Carbon Dioxide from the Atmosphere

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