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

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

Which of the following statements is true?

A
All pteridophytes exhibit haplo-diplontic pattern.
B
Seed bearing plants follow haplontic pattern
C
Most algal genera are diplontic
D
Most bryophytes do not have haplo-diplontic life cycle.
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statement is incorrect about Agrobacterium tumifaciens?

A
It is used to deliver gene of interest in both prokaryotic as well as eukaryotic host cells.
B
'Ti' plasmid from Agrobacterium tumifaciens used for gene transfer is not pathogenic to plant cell.
C
It transforms normal plant cells into tumor cells.
D
It delivers 'T-DNA' into plant cell.
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the following plant tissues :

(A) Axillary buds

(B) Fascicular vascular cambium

(C) Interfascicular cambium

(D) Cork cambium

(E) Intercalary meristem

Identify the lateral meristems among the above.

A
(A), (C) and (D) only
B
(B), (C) and (D) only
C
(A), (B), (C) and (E) only
D
(A), (B), (D) and (E) only
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