Reproduction in Plants Worksheet-1

Reproduction in Plants Worksheet-1

1. Pollen grains of insect pollinated flowers are

(a) Smooth and sticky                 (b) Smooth and rough

(c) Rough and dry                        (d) Rough and sticky

2. The given figure shows a type of pollination that is seen in which of the following plants?

(a) Apples                                       (b) Pears

(c) Peach                                        (d) Both Apples and Pears

3. The statements (i) to (vii) describe the events that lead to the maturation of a plant. They are not in the correct order. Select the correct option to show the correct order.

(i) The root grows first.

(ii) The seedling obtains the food it needs from the cotyledons.

(iii) The part that comes out next is the shoot.

(iv) It grows downwards because of gravity.

(v) The seedling develops its leaves and starts making food.

(vi) More leaves will develop as the plant grows.

(vii) The seed leaves now no longer needed, wither, die and fall off.

(a) (i) → (iii) → (ii) → (iv) → (v) → (vii) → (vi)

(b) (i) → (iii) → (v) → (iv) → (ii) → (vii) → (vi)

(c) (i) → (iv) → (iii) → (v) → (ii) → (vii) → (vi)

(d) (i) → (iv) → (iii) → (ii) → (v) → (vii) → (vi)

4. Which of the following organisms does not reproduce through spores?

(a)

(b)

(c)

(d)

5. Sugarcane plants are usually propagated by vegetative means because

(a) They do not produce seeds

(b) The incidence of disease may be reduced

(c) The seeds are not viable

(d) All of these

6. Look at the figure of female gametophyte inside the ovule. Where will you find the egg cell?

(a) P                    (b) Q                   (c) R                    (d) S

7. Select the incorrect statement from the following:

(a) A flower that contains all four parts is known as complete flower.

(b) A flower that contains only make or female parts is known as incomplete flower

(c) A flower which contains only male or female parts is called bisexual flower

(d) A flower which contains both male and female parts is called bisexual flower.

8. Study the concept map given below.

Which one of these correctly shows X, Y and Z based on the above mapping?

(a) X: Bird’s nest fern; Y: Begonia; Z: Papaya

(b) X: Bird’s nest fern; Y: Pineapple; Z: Begonia

(c) X: African violet; Y: Begonia; Z: Staghorn fern

(d) X: Staghorn fern; Y: Papaya; Z: Pineapple

9. Look at the table below. It compares the various ways in which plants reproduce.

Plants               –       Reproduce from

Bean                   –       Seeds

plant                   –       Spores

X                          –       Y

Onion

What would you place in X and Y ?

(a) X: Fern; Y: Spores

(b) X: Pineapple; Y: Suckers

(c) X: Moss; Y: Underground stems

(d) X: Moss; Y: Leaves

10. Which of the following plants is grown in the same manner as shown in the figure?

(a) Rose                                          (b) Bryophyllum

(c) Bougainvillea                          (d) Morning glory

11. What is true about pollen of a flowering plant?

(a) It contains the sperm cells

(b) It is brightly coloured to attract insects

(c) It holds the embryo

(d) It is produced by the pistil

12. Which of the following plants does not reproduce from seeds?

(a) Rose             (b) Pine              (c) Moss             (d) Oak

Answer Key:

1. (d)
2. (d)
3. (d)
4. (d)
5. (c)
6. (d)
7. (c)
8. (a)
9. (c)
10. (b)
11. (a)
12. (c)