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

In angiosperms the correct sequence of events in formation of female gametophyte in the ovule is :

(A) 3 successive free nuclear divisions functional megaspore.

(B) Degeneration of 3 megaspores.

(C) Meiotic division in megaspore mother cell.

(D) Migration of 3 nuclei towards each pole.

(E) Formation of wall resulting in seven celled embryosac.

Choose the correct answer from the options given below :

A
(A), (B), (C), (D), (E)
B
(C), (E), (A), (D), (B)
C
(B), (C), (A), (D), (E)
D
(C), (B), (A), (D), (E)
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1

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
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1

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

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
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