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 |
 92%
From NCERT
NEET - 2016
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Which one of the following is wrong about Chara?

(1) Upper oogonium, and lower round anthredium

(2) Globule and nucule present on the same plant

(3) Upper anthredium and lower oogonium

(4) Globule is male reproductive structure

Subtopic:  Sexual Reproduction |
 69%
From NCERT
NEET - 2014
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The 'Eyes' of the potato tuber are 

(1) flower buds

(2) shoot buds

(3) axillary buds

(4) root buds

Subtopic:  Asexual Reproduction |
 71%
NEET - 2011
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Product of sexual reproduction generally generates

(1) longer viability of seeds

(2) prolonged dormancy

(3) new genetic combination leading to variation

(4) large biomass

Subtopic:  Sexual Reproduction |
 95%
From NCERT
NEET - 2013
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Monoecious plant of Chara shows occurrence of

(1) antheridiophore and archegoniophore on the same plant

(2) stamen and carpel on the same plant

(3) upper antheirdium and lower oogonium on the same plant

(4) upper oogonium and lower antheridium on the same plant

Subtopic:  Events during Sexual reproduction |
 71%
From NCERT
NEET - 2013
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What would be the number of chorosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?

(1) 63

(2) 84

(3) 21

(4) 42

Subtopic:  Events during Sexual reproduction |
NEET - 2011
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Which one of the following plants is monoecious?

(1) Marchantia

(2) Pinus

(3) Cycas

(4) Papaya

Subtopic:  Sexual Reproduction |
 53%
NEET - 2009
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Flowers are unisexual in

(1) pea

(2) cucumber

(3) china rose

(4) onion

Subtopic:  Sexual Reproduction | Events during Sexual reproduction |
 54%
From NCERT
NEET - 2015
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A scion is grafted to a stock. The quality of fruits produced will be determined by the genotype of 

(1) stock

(2) scion

(3) both stock and scion

(4) neither stock nor scion.

Subtopic:  Artificial |
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Which form of reproduction is correctly matched?

(1) Euglena → transverse binary fission

(2) Paramecium → longitudinal binary fission

(3) Amoeba → multiple fission

(4) Plasmodium → binary fission

Subtopic:  Asexual Reproduction |
 53%
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