1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is :
A
Cleistogamy
B
Xenogamy
C
Geitonogamy
D
Chasmogamy
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
Diadelphous stamens are found in
A
China rose and citrus
B
China rose
C
Citrus
D
Pea
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
A typical angiosperm embryo sac at maturity is :
A
8-nucleate and 8-celled
B
8-nucleate and 7-celled
C
7-nucleate and 8-celled
D
7-nucleate and 7-celled
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
A
Rosaceae : Leguminosae
B
Poaceae : Rosaceae
C
Poaceae : Leguminosae
D
Poaceae : Solanaceae
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