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1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements is not true?
A
Pollen grains of many species cause severe allergies.
B
Stored pollen in liquid nitrogen can be used in the crop breeding programmes.
C
Tapetum helps in the dehiscence of anther.
D
Exine of pollen grains is made up of sporopollenin.
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The coconut water from tender coconut represents
A
free nuclear proembryo
B
free nuclear endosperm
C
endocarp
D
fleshy mesocarp.
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not correct?
A
Pollen germination and pollen tube growth are regulated by chemical componrnts of pollen interacting with those of the pistil.
B
Some reptiles have also been reported as pollinators in some plant species.
C
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
D
Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
In angiosperms, microsporogenesis and mega-sporogenesis
A
involve meiosis
B
occur in ovule
C
occur in anther
D
form gametes without further divisions.
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