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1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the following types of pollination brings genetically different types of pollen grains to the stigma?

A

Autogamy

B

Xenogamy

C

Geitonogamy

D

Cleistogamy

2
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

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

Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled.

Reason (R) : The egg apparatus has 2 polar nuclei.

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

A
$\mathbf{A}$ is true but $\mathbf{R}$ is false
B
$\mathbf{A}$ is false but $\mathbf{R}$ is true
C
Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$
D
Both $\mathbf{A}$ and $\mathbf{R}$ are true but $\mathbf{R}$ is NOT the correct explanation of $\mathbf{A}$
3
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

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

Assertion (A) : Both wind and water pollinated flowers are not very colourful and do not produce nectar.

Reason (R) : The flowers produce enormous amount of pollen grains in wind and water pollinated flowers.

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

A
$\mathbf{A}$ is true but $\mathbf{R}$ is false
B
$\mathbf{A}$ is false but $\mathbf{R}$ is true
C
Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$
D
Both $\mathbf{A}$ and $\mathbf{R}$ are true but $\mathbf{R}$ is NOT the correct explanation of $\mathbf{A}$
4
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

A
1 Meiosis and 3 Mitosis
B
No Meiosis and 2 Mitosis
C
2 Meiosis and 3 Mitosis
D
1 Meiosis and 2 Mitosis
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