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

Match Column I with Column II.

Column - I Column - II
(A) Nitrococcus (I) Denitrification
(B) Rhizobium (II) Conversion of ammonia to nitrite
(C) Thiobacillus (III) Conversion of nitrite to nitrate
(D) Nitrobacter (IV) Conversion of atmospheric nitrogen to ammonia

A
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
B
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
C
(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
D
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
2
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)
3
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.
4
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.
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