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Strategies for Enhancement in Food Production (Zoology Part)

8 NEET Biology previous year questions on Strategies for Enhancement in Food Production (Zoology Part) — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.

Q1 FREE PREVIEW

Which one of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?

[NEET 2021]

a

Cow is administered hormone having LH like activity for super ovulation

b

Cow yields about 6-8 eggs at a time

c

Cow fertilized by artificial insemination

d

Fertilized eggs are transferred to surrogate mothers at 8-32 call stage

✓ Correct answer: a)

Cow is administered hormone having LH like activity for super ovulation

Explanation

MOET involves administering hormones with FSH-like activity, not LH-like activity, to induce superovulation in cows. This leads to the production of multiple eggs, which are then fertilized and transferred to surrogate mothers.

Q2

By which method was a new breed 'Hisardale' of sheep formed by using Bikaneri ewes and Marino rams?

[NEET 2020]

a

Cross breeding

b

Inbreeding

c

Out crossing

d

Mutational breeding

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Q3

Homozygous purelines in cattle can be obtained by

a

mating of unrelated individuals of same breed

b

mating of individuals of different breed

c

mating of individuals of different species

d

mating of related individuals of same breed

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Q4

Inbreeding depression is

[Re-NEET 2020]

a

Reduced fertility and productivity due to continued close inbreeding

b

Reduced motility and immunity due to close inbreeding

c

Decreased productivity due to mating of superior male and inferior female

d

Decrease in body mass of progeny due to continued close inbreeding

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Q5

Outbreeding is an important strategy of animal husbandry because it

a

is useful in overcoming inbreeding depression

b

exposes harmful recessive genes that are eliminated by selection

c

helps in accumulation of superior genes

d

is useful in producing purelines of animals.

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Q6

Interspecific hybridisation is the mating of

a

animals within same breed without having common ancestors

b

two different related species

c

superior males and females of different breeds

d

more closely related individuals within same breed for 4-6 generations.

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Q7

Which one of the following is NOT an advantage of inbreeding?

[NEET 2023]

a

It exposes harmful recessive genes that are eliminated by selection.

b

Elimination of less desirable genes and accumulation of superior genes takes place due to it.

c

It decreases the productivity of inbred population, after continuous inbreeding.

d

It decreases homozygosity.

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Q8

Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?

a

Mystus

b

Maangur

c

Mrigala

d

Mackerel

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