Breeding of crops with high levels of minerals, vitamins and proteins is called

1. somatic hybridisation

2. biofortification

3. biomagnification

4. micropropogation

Subtopic:  Plant Breeding for Quality |
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Which of the following is not correct?

1. More than 840 million people in the world do not have adequate food to meet their daily food and nutritional requirements.

2. Three billion people suffer from micronutrient, protein and vitamin deficiencies or hidden hunger because they are not able to buy enough fruits, vegetables, legumes, fish and meat

3. High Aspartate, low sugar content and high nitrogen content in maize leads to resistance to maize stem borers.

4. Breeding methods for insect pest resistance involve the same steps as those for any other agronomic trait such as yield or quality.

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The reduction in lifespan, reduction in mental abilities, increased risk of disease may not result by which of the following deficiency?

1. Iron, Zinc

2. Vitamin A

3. Iodine

4. Molybdenum

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Biofortification- is the most practical means to improve public health

1. Breeding crops with higher levels of vitamins and minerals

2. Breeding crops with higher proteins

3. Breeding crops with healthier Fats

4. All of these

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In 2000, maize hybrids that had

1. Twice the amino acids lysine and tryptophan than existing maize hybrids were developed

2. Thrice the amino acids lysine and tryptophan than existing maize hybrids were developed

3. Half the amino acids glutamate and tryptophan than existing maize hybrids were developed

4. Twice the amino acids glutamate and tryptophan than existing maize hybrids were developed

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Atlas 66 is not associated with

1. A variety of wheat

2. Having high protein content

3. Has been used as a donor for improving cultivated wheat

4. Has more amount of Nitrogen

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Commonly consumed rice varieties have……. The iron content of Iron-fortified rice variety.

1. Twice

2. Thrice

3. One fifth

4. One third

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Read the following statement and select the right choice
i. Semi-dwarf varieties, Jaya and Ratna were
developed in IRRI, Phillippines.
ii. Classical plant breeding involves crossing or
hybridization of pure lines.
iii. Saccharum barberi was originally grown in
South India.
iv. Genetic variability is the root of any breeding
programme.

1. Only i is correct.
2. ii and iv are correct.
3. i, ii and iii are correct.
4. ii, iii and iv are correct.

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Select the incorrect statement(s) (with respect to semi-dwarf varieties of wheat)

1. Developed by Norman E.Borlaug

2. Developed at International Centre for Wheat and Maize Improvement in Mexico

3. These varieties were derived from IR-8

4. Responsible for green revolution

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Match the column-I with column-II

 

Column-I

 

Column-Il

A

Micropropagation

i

To obtain virus free plants

B

Meristem culture

ii

Production of large number of plants

C

Biofortification

iii

Improvement of nutritional quality in crops

d

Somatic hybridization

iv

Protoplast fusion

1. a-ii, b-i, c-iii, d-iv

2. a-i, b-ii, c-iii, d-iv

3. a-iii, b-i, c-ii, d-iv

4. a-iv, b-iii, c-ii, d-i

Subtopic:  Plant Breeding for Quality | Plant Tissue Culture |
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