The chances of contracting bird flu from a properly cooked (above 100°C) chicken and egg are:

1. very high 2. high
3. moderate 4. negligible
 75%

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A group of animals that are related by descent and share many similarities is referred to as:

1. breed 2. race
3. variety 4. species
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Inbreeding is carried out in animal husbandry because it:

1. increases vigour 2. improves the breed
3. increases heterozygosity 4. increases homozygosity
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Sonalika and Kalyan Sona are varieties of:

1. wheat 2. rice
3. millet 4. tobacco
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Which one of the following is not a fungal disease?

1. Rust of wheat 2. Smut of Bajra
3. Black rot of crucifers 4. Red rot of sugarcane
 66%
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In virus-infected plants, the meristematic tissues in both apical and axillary buds are free of the virus because:

1. the dividing cells are virus resistant.
2. meristems have anti-viral compounds.
3. the cell division of meristems is faster than the rate of viral multiplication.
4. Viruses cannot multiply within meristem cell(s).

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Fungicides and antibiotics are chemicals that:

1. enhance yield and disease resistance.
2. kill pathogenic fungi and bacteria, respectively.
3. kill all pathogenic microbes.
4. kill pathogenic bacteria and fungi, respectively.

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Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed:

1. recombinant DNA technology

2. transgenic mechanism

3. mutation breeding

4. gene therapy.

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The scientific process by which crop plants are enriched with certain desirable nutrients is called:

1. crop protection

2. breeding

3. bio-fortification

4. bio-remediation.

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The term ‘totipotency’ refers to the capacity of a:

1. cell to generate the whole plant

2. bud to generate the whole plant

3. seed to germinate

4. cell to enlarge in size

Subtopic:  Plant Tissue Culture |
 93%
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