NCERT Grade 7-Reproduction in Plants-Questions

NCERT Solutions for Class 7 Science

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Reproduction in Plants

1.    Fill in the blanks:

(a) Production of new individual from the vegetative parts of parent is called—-.

(b) A flower may have either male or female reproductive parts. Such flower is called

(c) The transfer of pollen grains from the anther to stigma of the same or of another flower of the same kind is known as ——————.

(d) The fusion of male and female gametes is termed as ———–

(e) Seed dispersal takes place by means of ——– and ————-.

2.    Describe the different methods of asexual reproduction. Give examples.

3.    Explain what you understand by sexual reproduction.

4.    State the main difference between asexual and sexual reproduction.

5.    Sketch the reproductive parts of flower.

6.    Explain the difference between self-pollination and cross-pollination.

7.    How does the process of fertilisation take place in flowers?

8.    Describe the various ways by which seeds are dispersed.

9.    Match items in Column I with those in Column II:

Column I                  Column II

(a) Bud                       (i) Maple

(b) Eyes                     (ii) Spirogyra

(c) Fragmentation   (iii) Yeast

(d) Wings                  (iv) Bread mould

(e) Spores                 (v) Potato

     (vi) Rose

10.  Tick (✓) the correct answer:

(a)  The reproductive part of a plant is the

(i) Leaf

(ii) Stem

(iii) Root

(iv) Flower

(b)  The process of fusion of the male and female gametes is called

(i) Fertilisation

(ii) Pollination

(iii) Reproduction

(iv) Seed formation

(c)  Mature ovary forms the

(i) Seed

(ii) Stamen

(iii) Pistil

(iv) Fruit

(d)  A spore producing plant is

(i) Rose

(ii) Bread mould

(iii) Potato

(iv) Ginger

(e)  Bryophyllum can reproduce by its

(i) Stem

(ii) Leaves

(iii) Roots

(iv) Flower.

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