Test Paper Of Class 7 Science Biology Chapter 12 Reproduction In Plants
- (Set-2) Chapter 17 Class 7 Science Biology
Chapter 12 Test Paper (02)class-7-science-chapter-12-Reproduction-In-Plants-02
Class 7 Science Biology Chapter 12 Reproduction In Plants Test Paper Set-2 Text Form:-
SAMPLE PAPER (02)
CLASS: 7 MAX.MARKS :30
SUBJECT: SCIENCE (Bio) TIME: 1:30 HOUR
CH: 12 (Reproduction In Plants)
I. All questions are compulsory.
II. This question paper contains 14 questions divided into three Sections A, B, and C.
III. Section A has 10 questions of 1 mark each. Section B has 4 questions of 2 mark each. Section C has 4 questions of 3 mark each.
(Section – A)
In Questions 1 to 10, there are four options, out of which one is correct. Write the correct answer.
1. Offspring are individuals developed as a result of
A. Vegetative multiplication
B. Asexual reproduction
C. Sexual reproduction
D. All the above
2. The process of fusion of the male and the female gametes is called
(i) fertilisation (ii) pollination
(iii) reproduction (iv) seed formation
3. Production of new individual from parent is called as
D. None of the above
4. 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.
5. Asexual reproduction is the _____ method of reproduction in organisms that have a relatively simple organisation like _______ and _______.
Fill in the blank in the above statement.
A. Rare, plant, bacteria
B. Common, plant, bacteria
C. Common, algae, fungi
D. Rare, algae, fungi
6. 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?
(b) Sexual reproduction
7. Which of the following options shows bisexual animals only?
A. Amoeba, sponge, leech
B. Sponge, cockroach, Amoeba
C. Earthworm, sponge, leech
D. Tapeworm, earthworm, honeybee
8. A spore producing organism is
(i) rose (ii) bread mould
(iii) potato (iv) ginger
9. What is amphimixis?
A. A fusion of pronuclei of male gametes.
B. A fusion of pronuclei from male and female gametes.
C. A fusion of pronuclei of female gametes.
D. The development of a somatic cell into an embryo.
10. The term blastogenesis is used for
A. Formation of blastula
B. Formation of blastocoel
C. Formation of blastomeres
D. Asexual reproduction
(Section – B)
11. When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them.
(a) What is this growth called?
(b) How does the growth take place?
12. Group the seeds given in Figure (i) to (iii) according to their means of dispersion.
(a) Seed dispersed by wind
(b) Seed dispersed by water
(c) Seed dispersed by animal
13. Explain what you understand by sexual reproduction
14. Sketch the reproductive parts of a flower.
15. Explain the difference between self-pollination and cross-pollination.
16. Write how the following seeds are dispersed. (a) Seeds with wings. (b) Small and light seeds. (c) Seeds with spines/hooks.
17. One morning as Paheli strolled in her garden she noticed many small plants which were not there a week ago. She wondered where they had come from as nobody had planted them there. Explain the reason for the growth of these plants.
18. In the diagram of a bisexual flower given as Figure, draw the missing part and label the parts marked (a), (b) and (c). Also label the missing part that you draw.