Science Class Test Reproduction in Plants

Class Test - Reproduction in Plants

1.Vegetative propagation in potato takes place by

(a) leaves

(b) stem

(c) root

(d) seed

Question 2.

In which of the following plants buds are present on the margins of leaves?

(a) Bryophyllum

(b) Touch me not

(c) Chandan

(d) Coriander

Question 3.

In yeasts reproduction occurs by

(a) fragmentation

(b) binary fission

(c) budding

(d) spore formation

Question 4.

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

(i) Flower

(ii) Seed

(iii) Fruit

(iv) Branch

Choose the correct answer from below:

(a) (i) and (ii)

(b) (i), (ii) and (iii)

(c) (iii) and (iv)

(d) (ii), (iii) and (iv)

Question 5.

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 ?

(a) Budding

(b) Sexual reproduction

(c) Fragmentation

(d) Pollination

Question 6.

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

(a) winged seeds

(b) large and hairy seeds

(c) long and ridged fruits

(d) spiny seeds

Question 7.

The ‘eye of the potato plant is what

(a) the root is to any plant

(b) the bud is to a flower

(c) the bud is to Bryophyllum leaf

(d) the anther is to stamen

Question 8.

The ovaries of different flowers may contain

(a) only one ovule

(b) many ovules

(c) one to many ovules

(d) only two ovules

Question 9.

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

(i) Plants are obtained from seeds

(ii) Two plants are always essential

(iii) Fertilisation can occur only after pollination

(iv) Only insects are agents of pollination

Choose from the options given below:

(a) (i) and (ii)

(b) (i) only

(c) (i) and (ii)

(d) (i) and (iv)

Question 10.

Pollination refers to the:

(a) transfer of pollen from anther to ovary

(b) transfer of male gametes from anther to stigma

(c) transfer of pollen from anther to stigma

(d) transfer of pollen from anther to ovule

Fill in the blanks:

1. In …………………. reproduction, one individual can produce many individuals from its body parts.

Answer

2. Both stamen and carpel are present in …………………. flowers.

Answer

3. Budding is a type of …………………. reproduction.

Answer

4. The process of …………………. ensures continuity of life on the earth.

Answer

5. …………………. are the reproductive parts of a plant.

Answer

6. Buds in potato are also called ………………….

Answer

7. Plants produce seeds as a result of …………………. reproduction.

Answer

8. The small bulb like projection coming out from the yeast cell is called a ………………….

Answer

9. The …………………. develops into an embryo.

Answer

10. The fruits are ripened ………………….

Answer

Choose the true and false statements from the following:

1. Two individuals are needed for a sexual reproduction.

Answer

2. Seed is the only structure which develops into new plant.

Answer

3. Plants such as cacti produce new plants when their parts get detached from the main plant body.

Answer

4. Plants produced by vegetative propagation take less time to grow and bear flower and fruit.

Answer

5. The spores are asexual reproductive bodies.

Answer

6. Anther contains female gametes called eggs.

Answer

7. The fruit is ripened ovary.

Answer

8. Seed dispersal in coconut is aided by winds.

Answer

9. Fusion of male and female gametes is called pollination.

Answer

10. A bisexual flower has both male and female reproductive parts.

Answer