1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements is correct?
A
Cleistogamous flowers are always autogamous.
B
Xenogamy occurs only by wind pollination.
C
Chasmogamous flowers do not open at all.
D
Geiotonogamy involves the pollen and stigma of flowers of different plants.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is correct?
A
Sporopollenin can be degraded by enzymes.
B
Sporopollenin is made up of inorganic materials.
C
Sporopollenin can withstand high temperatures as well as strong acids and alkalis.
D
Sporopollenin can withstand high temperatures but not strong acids.
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Megaspores are produced from the megaspore mother cells after
A
mitotic division
B
formation of thick wall
C
differentiation
D
meiotic division.
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements is correct?
A
Endothecium produces the microspores.
B
Tapetum nourishes the developing pollen.
C
Hard outer layer of pollen is called intine.
D
Sporogenous tissue is haploid.
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