10 Multiple Choice Questions on Reproduction in Flowering Plants

 
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10 Multiple Choice Questions on Reproduction in Flowering Plants

reproduction_flowersReproduction mechanism in plants are through flower. Flowers are the plant’s reproductive structures  , flowers are usually both male and female, and are brightly colored to attract insects to help them carry pollen used for sexual reproduction. It is also true that not all flowers are colorful.In that case , flowers usually use the wind for pollination.

10 Questions (multiple Choice ) on Reproduction in Flowering Plants

Science Class11 Reproduction in Flowering Plants Manmeet Kaur

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Question 1
In a mature ovule,if helium is close to micropyle, then the ovule is called:
A
Orthotropous
B
Anatropous
C
Hemitropous
D
Campylotropous
E
All of these
Question 2
In a fully developed male gametophyte,no of nuclei is :
A
One
B
Two
C
Three
D
Four
E
Five
Question 3
Tapetum layer around the pollen sac is meant for :
A
Dehiscene
B
Protection
C
Fusion
D
Nutrition
E
None of these
Question 4
In which of the following germination of embryo occurs, when fruit is still attached to the plant?
A
Mango
B
Peepal
C
Pinus
D
Mangove plants
E
Parasites
Question 5
Juvenile phase fail to flower because:
A
It does not respond to stimuli.
B
It is too strong
C
It is too weak
D
It is not developed
E
None of these
Question 6
In angiosperms embryo sac represents:
A
Female gametophyte
B
Male gametophyte
C
Sporophytes
D
None of these
E
All of these
Question 7
In anther,meiosis occurs in :
A
Tapetal cells
B
Endothelial cells
C
Pollen mother cells
D
Stomium cells
Question 8
Fusion of egg with male gamete is called :
A
Syngamy
B
Apogamy
C
Autogamy
D
Polygamy
E
None of these
Question 9
The Pollengrain is related to the embryo sac as:
A
Male gametophyte is to the egg
B
Male gametophyte is to Female gametophyte
C
Sperm is to egg
D
Sperm is to female gametophyte
E
All of these
Question 10
What is the collar like outgrowth developing fromthe base of the ovule and forming a sort of third integument?
A
Caruncle
B
Aril
C
Crona
D
Operculum
E
None of these
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