NCERT Class VII Science Solutions: Chapter 12-Reproduction in Plants Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 1:

Which of the following parts of a plant take part in sexual reproduction?

  1. Flower
  2. Seed
  3. Fruit
  4. Branch

Choose the correct answer from below.

  1. (i) and (ii)
  2. (i) , (ii) and (iii)
  3. (iii) and (iv)
  4. (ii) , (iii) and (iv)

Answer: B

Sexual Reproduction in Plants

Question 2:

Lila observed that a pond with clear water was covered up with a green algae within a week. By which method of reproduction did the algae spread so rapidly?

  1. Budding
  2. Sexual reproduction
  3. Fragmentation
  4. Pollination

Answer: C

Question 3:

Seeds of drumstick and maple are carried to long distances by wind because they possess

  1. winged seeds
  2. large and hairy seeds
  3. long and ridged fruits
  4. spiny seeds

Answer: A

Winged Seeds

Question 4:

The ‘eye’ of the potato plant is what

  1. The root is to any plant.
  2. The bud is to a flower.
  3. The bud is to Bryophyllum leaf.
  4. The anther is to stamen.

Answer: C

Question 5:

The ovaries of different flowers may contain

  1. Only one ovule
  2. Many ovules
  3. One to many ovules
  4. Only two ovules

Answer: C

Question 6:

Which of the following statements is/are true for sexual reproduction in plants?

  1. Plants are obtained from seeds.
  2. Two plants are always essential.
  3. Fertilisation can occur only after pollination.
  4. Only insects are agents of pollination.

Choose from the options given below.

  1. (i) and (iii)
  2. (i) only
  3. (ii) and (iii)
  4. (i) and (iv)

Answer: A

Question 7:

Pollination refers to the

  1. Transfer of pollen from anther to ovary.
  2. Transfer of male gametes from anther to stigma.
  3. Transfer of pollen from anther to stigma.
  4. Transfer of pollen from anther to ovule.

Answer: C