NCERT Class 7 Science Chapter 12 Reproduction in Plants Extra Questions

NCERT Class 7 Science Chapter 12 Reproduction in Plants Extra Questions and Answers

Reproduction in Plants Extra Questions

Class 7 Science Chapter 12 Extra Questions and Answers – Reproduction in Plants. Here in this Page Class VII Students can Learn Extra Questions & Answer 12th Chapter Science fully Inside.

We Provided Here Reproduction in Plants Science Chapter 12 Long Answer Type Question, Very Short Type Questions (VSA) / MCQ Type Questions, Short Type Questions (SA).

Class 7 Science Chapter 12 Extra Question with Answer – Reproduction in Plants

Science Chapter 12 Reproduction in Plants Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers.

1) Fill in the blanks:

a) Fertilized egg is called ___. (Zygote)

b) ___ is the reproductive part of a plant. (Flower)

c) The reproduction process of fungus is ___. (Spore formation)

d) The female gametes are found in the ___. (Ovule)

2) Multiple Choice Questions:

a) The male gametes are found inside the ___?

a) Ovule b) Pollen grains

Ans. b) Pollen grains

b) ___ helps the plants to invade new habitats?

a) Seed dispersal b) Fertilization

Ans. a) Seed dispersal

c) ___reproduction involves the fusion of male and female gametes?

a) Sexual b) Asexual

Ans. a) Sexual

d) The flowers which contain either only pistil or only stamens are called ___ flowers?

a) Unisexual b) Bisexual

Ans. a) Unisexual

3) Answer the following questions:

a) What are the vegetative parts of plant? What is vegetative propagation?

Ans. The vegetative parts of plants are roots, stems and leaves.

When new plants are produced from different vegetative parts of the plant, is called vegetative reproduction.

b) What is pollination? How does it take place in the plant? What is the difference between self-pollination and cross-pollination?

Ans. Pollination is the process of transfer of pollen grains from the anther of one flower to the stigma of the same or another flower.

Pollination takes place in the plants with the help of wind, water and insects.

In self-pollination, pollen grains are transferred from the anther to the stigma of the same flower but in cross-pollination, pollen grains are transferred from the anther of one flower to the stigma of another flower of the same kind.

 

In case you are missed :- Previous Chapter Extra Questions

 

c) How does seed dispersal help the plants?

Ans. Seed dispersal helps the plants to (i) prevent overcrowding, (ii) avoid competition of sunlight, water and minerals and (iii) invade new habitats.

d) Name the male and female reproductive parts of a plant. Draw the male and female reproductive parts of plant.

Ans. The male reproductive part of a plant is stamen and the female reproductive part of a plant is pistil.

4) Match the items in column I with those in column II:

           Column I

Column II
a) Eyes

cell

1) Coming out from yeast

b) Egg

2) Rose
c) Bud

3) Embryo

d) Zygote

4)Ginger
e) Bisexual flower

5) Female gamete

Ans. a)-4), b)-5), c)-1), d)-3), e)-2)

5) Mark your answer as per the codes provide below:

a) A: Pollen grains can be carried by wind or water.

R: Pollen grains are not light.

I) Both A and R are true and R is the correct explanation of A.

II) Both A and R are true but R is not the correct explanation of A.

III) A is true but R is false.

IV) A is false but R is true.

V) Both A and R are false.

Ans. III. A is true but R is false.

b) A: In nature same kind of plants grow at different places.

R: Seeds are dispersed to different places.

I) Both A and R are true and R is the correct explanation of A.

II) Both A and R are true but R is not the correct explanation of A.

III) A is true but R is false.

IV) A is false but R is true.

V) Both A and R are false.

Ans. I. Both A and R are true and R is the correct explanation of A.

6) The cell which results after fusion of the gametes is called a zygote. The process of fusion of male and female gametes is called fertilization. The zygote develops into an embryo.

a) The process of fusion of male and female gametes is called ____. (Fertilization)

b) The zygote develops into an ____. (Embryo)

In case you are missed :- Next Chapter Extra Questions

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Updated: April 6, 2023 — 11:40 am

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