NCERT Class VII Science Solutions: Chapter 1-Nutrition in Plants Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

Doorsteptutor material for CBSE/Class-7 is prepared by world's top subject experts: get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-7.

NCERT Class 7 Science Chapter 1: Nutrition in Plants

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

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

Developed by: