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Biology 10 Chapter 14 - Reproduction - 13
1.
In which whorl style is present?
a) Androecium
b) Corolla
c) Calyx
d) Gynoecium
2.
In which whorl stigma is present?
a) Calyx
b) Androecium
c) Corolla
d) Gynoecium
3.
What is produced inside each ovule of an ovary?
a) Haploid macrospores
b) Haploid microspores
c) Diploid macrospores
d) Diploid microspores
4.
By which process haploid macrospores are produced in each ovule of an ovary?
a) By mitosis
b) By apoptosis
c) By necrosis
d) By meiosis
5.
Which process the macrospore undergoes?
a) Meiosis
b) Apoptosis
c) Mitosis
d) Necrosis
6.
What is produced inside haploid macrospores?
a) Sperms
b) Generative nucleus
c) Egg cells
d) Tube nucleus
7.
What is produced inside haploid macrospores?
a) Sperms
b) Generative nucleus
c) Fusion nucleus
d) Tube nucleus
8.
What are egg cell and associated structures?
a) Male gametophyte generation of a plant
b) Male sporophyte generation of a plant
c) Female gametophyte generation of a plant
d) Female sporophyte generation of a plant
9.
Who was the successor of Aristotle?
a) Einstein
b) Wohler
c) Theophrastus
d) Jacob Berzelius
10.
Who was Theophrastus?
a) A Greek philosopher
b) A British philosopher
c) A German philosopher
d) An American philosopher
11.
Who laid the solid foundation of Botany?
a) Einstein
b) Theophrastus
c) Jacob Berzelius
d) Wohler
12.
Who recognized the male and female sex parts of the flowers?
a) Theophrastus
b) Jacob Berzelius
c) Einstein
d) Wohler
13.
Who described the pollination and fertilization in flowers?
a) Jacob Berzelius
b) Wohler
c) Einstein
d) Theophrastus
14.
What is the process called in which mature pollen grains are transferred to stigma?
a) Cloning
b) Pollination
c) Parthenogenesis
d) Fragmentation
15.
In pollination, mature pollen grains are transferred to..................?
a) Style
b) Ovary
c) Stigma
d) Anther
16.
On reaching the stigma, which of the following constructs a pollen tube?
a) Generative nucleus
b) Sperms
c) Tube nucleus
d) Fusion nucleus
17.
What is present in a pollen tube?
a) Both b and c
b) Sperms
c) Fusion nucleus
d) Tube nucleus
18.
Where pollen tube bursts?
a) In ovule
b) In anther
c) In stigma
d) In filament
19.
Where do both sperms of a tube nucleus enter?
a) Female sporophyte
b) Female gametophyte
c) Male sporophyte
d) Male gametophyte
20.
Where pollen tube releases the sperms?
a) In ovule
b) In filament
c) In stigma
d) In anther
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