Reproduction in Plants Class 7 MCQs Questions with Answers
I. Choose the correct option.
Question 1.
Plants produced by vegetative propagation take
(a) long time to grow
(b) less time to grow
(c) both (a) and (b)
(d) none of these
Answer
Answer: (b) less time to grow
Question 2.
Part of the plant that take part in sexual reproduction is
(a) seed
(b) fruit
(c) flower
(d) branch
Answer
Answer: (c) flower
Question 3.
Vegetative propagation in sweet potato takes place by
(a) root
(b) leaves
(c) seed
(d) stem
Answer
Answer: (a) root
Question 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
Answer
Answer: (c) the bud is to Bryophyllum leaf
Question 5.
Vegetative propagation is a type of
(a) asexual reproduction
(b) sexual reproduction
(c) binary fission
(d) none of these
Answer
Answer: (a) asexual reproduction
Question 6.
The ovaries of different flowers may contain
(a) only one ovule
(b) many ovules
(c) one to many ovules
(d) only two ovules
Answer
Answer: (c) one to many ovules
Question 7.
Yeasts reproduce by
(a) fragmentation
(b) budding
(c) vegetative propagation
(d) layering
Answer
Answer: (b) budding
Question 8.
In fungus, reproduction takes place by
(a) budding
(b) spore formation
(c) fragmentation
(d) binary fission
Answer
Answer: (b) spore formation
Question 9.
Spirogyra reproduces asexually by
(a) spore formation
(b) fragmentation
(c) budding
(d) cutting
Answer
Answer: (b) fragmentation
Question 10.
In fern, asexual reproduction takes place through
(a) spore formation
(b) fragmentation
(c) budding
(d) binary fission
Answer
Answer: (a) spore formation
Question 11.
Which of the following contains male gamete?
(a) Filament
(b) Ovule
(c) Pollen
(d) Anther
Answer
Answer: (c) Pollen
Question 12.
The zygote develops into
(a) a seed
(b) an ovule
(c) a fruit
(d) an embryo
Answer
Answer: (d) an embryo
Question 13.
Which of the following plant bear bisexual flower?
(a) Corn
(b) Papaya
(c) Cucumber
(d) Mustard
Answer
Answer: (d) Mustard
Question 14.
Which of the following is a part of a pistil?
(a) Stigma
(b) Anther
(c) Filament
(d) Pollen
Answer
Answer: (a) Stigma
Question 15.
Which of the following is not a part of pistil?
(a) Ovary
(b) Ovule
(c) Anther
(d) Style
Answer
Answer: (c) Anther
II. Fill in the blanks with suitable word/s.
Question 1.
There are …………….. modes of reproduction in plants.
Answer
Answer: two
Question 2.
…………….. holds the spores inside it.
Answer
Answer: Sporangium
Question 3.
Mosses reproduce by ……………..
Answer
Answer: spore formation
Question 4.
In the process of budding, a small bulb-like outgrowth called …………….. is formed from the …………….. cell.
Answer
Answer: bud, parent
Question 5.
In the method of spore formation, small spherical bodies called …………….. are produced.
Answer
Answer: spores
Question 6.
Spirogyra reproduces by ………………
Answer
Answer: fragmentation
Question 7.
In …………….. new plants take less time to grow and bear flowers and fruits earlier than those produced by seeds.
Answer
Answer: vegetative propagation
Question 8.
In sexual reproduction both …………….. are involved.
Answer
Answer: parents
Question 9.
The flowers which contain both stamens and pistil are called …………….. flowers.
Answer
Answer: bisexual
Question 10.
The flowers which contain either only the pistil or only the stamens are called …………….. flowers.
Answer
Answer: unisexual
Question 11.
…………….. pollinated flowers are generally colourful and fragrant to attract insects.
Answer
Answer: Cross
III. True or False
Question 1.
Sweet potato reproduces by seeds.
Answer
Answer: False
Question 2.
The roots of Dahlia give rise to new plants.
Answer
Answer: True
Question 3.
Plants produce seeds as a result of sexual reproduction.
Answer
Answer: True
Question 4.
Any detached part of a plant can grow into a new plant.
Answer
Answer: False
Question 5.
In vegetative propagation, the new plants are not same as that of the parent plant.
Answer
Answer: False
Question 6.
Plants produced in sexual reproduction have the characters of only male parent.
Answer
Answer: False
Question 7.
When water and nutrients are available, algae grow and multiply rapidly by spore formation.
Answer
Answer: False
Question 8.
Yeast can be seen only under telescope.
Answer
Answer: False
Question 9.
Yeast is a double-celled organism.
Answer
Answer: False
Question 10.
Pistil is the female reproductive part.
Answer
Answer: True
Question 11.
Corn produces unisexual flowers.
Answer
Answer: True
Question 12.
Mustard produces bisexual flowers.
Answer
Answer: True
Question 13.
The ovary contains one or more ovules.
Answer
Answer: True
Question 14.
An egg is a male gamete.
Answer
Answer: False
Question 15.
Pollen grains have a tender protective coat.
Answer
Answer: False
IV. Match the Following
Column I | Column II |
1. Rose | (a) Budding |
2. Yeast | (b) Detached body part |
3. Cactus | (c) Cutting |
4, Spirogyra | (d) Spores |
5. Eggs | (e) Fragmentation |
6. Wings | (f) Roots |
7. Dahlia | (g) Eye |
8. Potato | (h) Spiny seeds |
9. Xanthium | (i) Ovule |
10. Fern | (j) Maple |
Answer
Answer:
Column I | Column II |
1. Rose | (c) Cutting |
2. Yeast | (a) Budding |
3. Cactus | (b) Detached body part |
4, Spirogyra | (e) Fragmentation |
5. Eggs | (i) Ovule |
6. Wings | (j) Maple |
7. Dahlia | (f) Roots |
8. Potato | (g) Eye |
9. Xanthium | (h) Spiny seeds |
10. Fern | (d) Spores |
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