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Biology 10 Chapter 14 - Reproduction - 12
1.
What is the male reproductive part of flower?
a) Corolla
b) Calyx
c) Androecium
d) Gynoecium
2.
In which whorl thread-like filament is present?
a) Calyx
b) Gynoecium
c) Androecium
d) Corolla
3.
In which whorl anther is present?
a) Calyx
b) Androecium
c) Gynoecium
d) Corolla
4.
What is attached at the free end of filament?
a) Stigma
b) Anther
c) Ovary
d) Style
5.
What is produced in the pollen-sacs of anther?
a) Diploid macrospores
b) Haploid microspores
c) Haploid macrospores
d) Diploid microspores
6.
By which process haploid microspores are produced in the pollen-sacs of anther?
a) By mitosis
b) By apoptosis
c) By necrosis
d) By meiosis
7.
Which process the nucleus of the microspore undergoes?
a) Mitosis
b) Apoptosis
c) Necrosis
d) Meiosis
8.
How many nuclei the nucleus of the microspore produces?
a) Three
b) Four
c) One
d) Two
9.
Which of the following is produced by the nucleus of microspore?
a) Egg cells
b) Ovum
c) Ovules
d) Tube nucleus
10.
Which of the following is produced by the nucleus of microspore?
a) Ovum
b) Ovules
c) Generative nucleus
d) Egg cells
11.
How many sperms are produced by the generative nucleus?
a) Three
b) One
c) Two
d) Four
12.
What is present in the germinated microspore of the anther?
a) Tube nucleus
b) Egg cells
c) Both b and c
d) Two sperms
13.
What are tube nucleus and two sperms?
a) Female sporophyte generation of a plant
b) Male gametophyte generation of a plant
c) Female gametophyte generation of a plant
d) Male sporophyte generation of a plant
14.
What is the fourth whorl of flower?
a) Gynoecium
b) Androecium
c) Corolla
d) Calyx
15.
What is the female reproductive part of flower?
a) Corolla
b) Gynoecium
c) Androecium
d) Calyx
16.
What are the individual units of gynoecium called?
a) Petals
b) Sepals
c) Carpels
d) Stamens
17.
Which of the following is also named as ‘pistils’?
a) Carpels
b) Sepals
c) Stamens
d) Petals
18.
Which of the following parts are present in carpels?
a) All of these
b) Stigma
c) Ovary
d) Style
19.
In which whorl ovary is present?
a) Calyx
b) Corolla
c) Gynoecium
d) Androecium
20.
Of how many parts each carpel is composed of?
a) Four
b) Two
c) Five
d) Three
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