Ncert solutions science class 7 Solutions for Chapter 12 reproduction in plants

Exercises in Chapter 12 reproduction in plants Grade 7

Exercise

Questions in Exercise

The fusion of male and female gametes is termed as _________ .

Mature ovary forms the

Bryophyllum can reproduce by its

A spore-producing organism is

The process of fusion of the male and the female gametes is called

The reproductive part of a plant is the

Seed dispersal takes place by means of air, explosion, water and _________ .

(animals/plastic)

Fill in the blanks: (a) Production of new individuals from the vegetative part of parent is called____.

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

(c) The transfer of pollen grains from the anther to the 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 _____________.

Q1) Fill in the blanks

(a) The production of new individuals from the vegetative part of the parent is called ____________.

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

(c) The transfer of pollen grains from the anther to the 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 ________.

Describe the different methods of asexual reproduction. Give examples.

Q2) Describe the different methods of asexual reproduction. Give examples.

Q3) Explain what you understand by sexual reproduction?

Explain what you understand by sexual reproduction

State the main difference between asexual and sexual reproduction.

Q4) State the main difference between asexual and sexual reproduction.

Sketch the reproductive parts of a flower.

Q5) Sketch the reproductive parts of the flower.

Q6) Expalin the difference between self-pollination and cross-pollination.

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

How does the process of fertilisation take place in flowers?

Q7) How does the process of fertilization take place in flowers?

Q8) Describe the various ways by which seeds are dispersed.

Describe the various ways by which seeds are dispersed.

Q9) Match items in Column I and 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

Match items in Column I with those in Column II:

Q10) Tick the correct answer:

(a) The reproductive part of the 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) fertilization (ii) pollination (iii) reproduction (iv) seed formation

(i) seed (ii) stamen (iii) pistil (iv) fruits

(d) A spore-producing plant is.

(i) rose (ii) bread mold (iii) potato (iv) ginger

(e) Bryophyllum can reproduce by its.

(i) stem (ii) leaves (iii) roots (iv) flower

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 the female gametes is called (i) fertilisation (ii) pollination (iii) reproduction (iv) seed formation

(d) A spore-producing organism 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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Chapters in this book

Nutrition in Plants

Nutrition in Animals

Fibre to Fabric

Heat

Acids, Bases and Salts

Physical and Chemical Changes

Weather, Climate and Adaptations of Animals to Climate

Winds, Storms and Cyclones

Soil

Respiration in Organisms

Transportation in Animals and Plants

Reproduction in Plants

Motion and Time

Electric Current and its Effects

Light

Water: A Precious Resource

Forests: Our Lifeline

Wastewater Story