Which one of the following generates new genetic combinations leading to variation?

1.  Vegetative reproduction

2.  Parthenogenesis

3.  Sexual reproduction

4.  Nucellar polyembryony

Subtopic:  Sexual Reproduction |
 95%
From NCERT
NEET - 2016
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Which of the following flowers only once in its lifetime?
1. Bamboo species
2. Jackfruit
3. Mango
4. Papaya

Subtopic:  Sexual Reproduction |
 96%
From NCERT
NEET - 2018
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Offsets are produced by:

1. Meiotic divisions
2. Mitotic divisions
3. Parthenocarpy
4. Parthenogenesis
Subtopic:  Asexual Reproduction |
 72%
From NCERT
NEET - 2018
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Which one of the following statements is not correct?

1.  Offspring produced by asexual reproduction is called clone
2.  Microscopic motile asexual reproductive structures are called zoospores
3.  In potatoes, bananas, and ginger, the plantlets arise from the internodes present in the modified stem
4.  Water hyacinth growing in standing water drains oxygen from water that leads to the death of fish

Subtopic:  Asexual Reproduction |
 80%
From NCERT
NEET - 2016
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Match Column I with column II and select the correct option using the codes given below:

 

Column I

 

Column II

A.

Pistils fused together

1.

Gametogenesis

B.

Formation of gametes

2.

Pistillate

C. 

Hyphae of higher ascomycetes  

3.  

Syncarpous

D.

Unisexual female flower

4.

Dikaryotic

Codes:

 

A    

B     

C     

D

(1)

4

3

2

1

(2)

2

1

4

3

(3)

1

2

4

3

(4)  

3

1

4

2

Subtopic:  Sexual Reproduction |
 72%
From NCERT
NEET - 2016
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