1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

What is the function of tassels in the corn cob?

A
To trap pollen grains
B
To disperse pollen grains
C
To protect seeds
D
To attract insects
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Large, colourful, fragrant flowers with nectar are seen in

A
Bird pollinated plants
B
Bat pollinated plants
C
Wind pollinated plants
D
Insect pollinated plants
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :

A
Antipodals, synergids, and primary endosperm nucleus
B
Synergids, Zygote and Primary endosperm nucleus
C
Synergids, antipodals and Polar nuclei
D
Synergids, Primary endosperm nucleus and zygote
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R :

Assertion A : In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.

Reason R : Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

In the light of the above statements, choose the correct answer from the options given below :

A
Both A and R are true but R is NOT the current explanation of A
B
A is true but R is false
C
A is false but R is true
D
Both A and R are true and R is the correct explanation of A
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