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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


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 |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


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 |
Please attempt this question first.

Difficulty Level:


Which one of the following plants is monoecious?

(1) Marchantia

(2) Pinus

(3) Cycas

(4) Papaya

Subtopic:  Sexual Reproduction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Flowers are unisexual in

(1) pea

(2) cucumber

(3) china rose

(4) onion

Subtopic:  Sexual Reproduction | Events during Sexual reproduction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which one of the following methods is commonly used to maintain the genetic traits of a given plant?

(1) By propagating through seed germination

(2) By propagating through vegetative multiplication

(3) By generating hybrids through intergeneric pollination

(4) By treating the seeds with gamma radiations

Subtopic:  Asexual Reproduction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which animal has the longest gestation period?

(1) Shark

(2) Walrus

(3) Elephant

(4) Dog

Subtopic:  Events during Sexual reproduction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


The ploidy of bread wheat is 

(1) 4 n

(2) 6 n

(3) 2 n

(4) 8 n

To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: