NEET Zoology
Infertility 1
Low Priority
Consistency: 20%
Weightage: 4 / 20 Yrs
High-Yield Trend
1
2020 1
2017 1
2015 2
2007 Questions 5 MCQs
01
PYQ 2007
easy
zoology ID: neet-200
In the cloning of cattle, a fertilized egg is taken out of the mother's womb and:
| 1. | the egg is divided into 4 pairs of cells which are implanted into the womb of other cows |
| 2. | in the eight-cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows |
| 3. | in the eight-cell stage, the individual cells are separated under an electrical field for further development in cultural media |
| 4. | from this, up to eight identical twins can be produced |
1
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4
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02
PYQ 2007
easy
zoology ID: neet-200
Which one of the following is a viral disease of poultry?
1. Salmonellosis
2. Coryza
3. Newcastle disease
4. Pasteurellosis
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03
PYQ 2015
easy
zoology ID: neet-201
Outbreeding is an important strategy in animal husbandry because it:
| 1. | helps in the accumulation of superior genes. |
| 2. | is useful in producing pure lines of animals. |
| 3. | is useful in overcoming inbreeding depression. |
| 4. | exposes harmful recessive genes that are eliminated by selection. |
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04
PYQ 2017
easy
zoology ID: neet-201
Homozygous pure lines in cattle can be obtained by:
1. Mating of unrelated individuals of same breed.
2. Mating of individuals of different breed.
3. Mating of individuals of different species.
4. Mating of related individuals of same breed.
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05
PYQ 2020
easy
zoology ID: neet-202
Inbreeding depression is:
| 1. | Reduced motility and immunity due to close inbreeding |
| 2. | Decreased productivity due to mating of superior male and inferior female |
| 3. | Decrease in body mass of progeny due to continued close inbreeding |
| 4. | Reduced fertility and productivity due to continued close inbreeding |
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