In maize, hybrid vigour is exploited by:

1. bombarding the seeds with DNA

2. crossing of two inbred parental lines

3. harvesting seeds from the most productive plants

4. inducing mutations

Subtopic:  Impact: Green Revolution |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which one of the following is a viral disease of poultry ?

1. Salmonellosis

2. Coryza

3. New castle disease

4. Pasteurellosis

Subtopic:  Animal Husbandry |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Crop plants grown in monoculture are:

1. low in yield

2. free from intraspecific competition

3. characterised by poor root system

4. highly prone to pests

To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Triticale, the first man-made cereal crop, has been obtained by crossing wheat with: 

1. rye

2. pearl millete

3. sugarcane

4. barley

Subtopic:  Plant Breeding for Quality |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In order to obtain virus-free plants through tissue culture the best method is:

1. protoplast culture

2. embryo culture

3. anther culture

4. meristem culture

Subtopic:  Plant Tissue Culture |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The name of the Indian scientist associated with Green Revolution in India is

1. H.G. Khorana

2. M.S.Swaminathan

3. Homi Bhaba

4. C.N.R. Rao.

Subtopic:  Impact: Green Revolution |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which is Indian dwarf wheat ?

1. T.dicoccum

2. T. sphaerococcum

3. T. turgidum

4. T. aestivum

Subtopic:  Impact: Green Revolution |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


People recovering from long illness are often advised to include the alga Spirulina in their

diet because it

1. makes the food easy to digest

2. is rich in proteins

3. has antibiotic properties

4. restores the intestinal microflora.

Subtopic:  Single Cell Protein |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Cattle fed with spoilt hay of sweet clover which contains dicumarol

1. are healthier due to a good diet

2. catch infections easily

3. may suffer vitamin K deficiency and prolonged bleeding

4. may suffer from beri beri due to deficiency of B vitamins

To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Somaclonal variation can be obtained by

(1) application of colchicine

(2) irradiation with gamma rays

(3) tissue culture

(4) hybridisation.

Subtopic:  Plant Tissue Culture |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: