List of top Animal Science Questions

The mammalian neurohypophysis is the source of which of the following principal hormone(s)?
A. Oxytocin
B. Arginine vasopressin
C. Lysine vasopressin
D. Corticosteroid
Choose the correct answer from the options given below

The structure and function of muscle and non-muscle cells are similar with regard to
A. Mitochondria
B. Ribosomes
C. Endoplasmic reticulum
D. Golgi complex
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Given below are two statements:
Statement I: A reduction in the secretion of growth hormone (GH) is required for the survival of homeotherms during heat stress
Statement II: Acclimation to thermal stress is identified as a homeostatic process under endocrine control
In light of the above statements, choose the most appropriate answer from the options given below

Working efficiency of bullocks can be enhanced by selecting

Which interleukin inhibits the immune response?
A. IL - 4
B. IL - 13
C. IL - 10
D. IL - 7
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\(\beta\) - lymphocytes develop immunocompetence in the
A. Bone marrow
B. Spleen
C. Thymus
D. Lymph nodes
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Which of the following processes may be considered as an example of biotechnological process?

Which of the following is a fluorescent stain?
A. Indian Ink
B. Rose Bengal
C. Chromomycin A3
D. Eosin
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Given below are two statements:
Statement I: Spermatozoa of fowl is hook-shaped
Statement II: Appendix testis is present in equine
In the light of the above statements, choose the most appropriate answer from the options given below

Prescrotal sigmoid flexure is found in
A. Stallion
B. Bull
C. Boar
D. Buck
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The two gases with the highest relative contribution to the Green House Gases (GHG) are

Which animal has the highest metabolic rate/gram of body?

In comparison to temperate breeds of cattle, sweat glands in buffaloes are about

In which stage of lactogenesis, there is cytologic and enzymatic differentiation of the epithelial cells?
A. Stage 3 of lactogenesis
B. Stage 1 of lactogenesis
C. Stage 2 of lactogenesis
D. At the end of lactogenesis
Choose the correct answer from the options given below:

The RNA : DNA ratio increases from pregnancy to lactogenesis. It increases, respectively from 1 : 1 to

First scientific artificial insemination in cattle and sheep was performed by

Placental hormone include
A. PMSG
B. HCG
C. Placental lactogen (PL)
D. TSH
Choose the correct answer from the options given below:

Cervical mucus of cows shows fern pattern of crystallization during
A. Metestrus
B. Diestrus
C. Estrus
D. Pre estrus
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Dairy cattle reach puberty when the bodyweight is what percentage of the bodyweight of the adult?

The opportunity cost of sunshine is

Given below are two statements:
Statement I: For effective functioning, the mammalian testes must be maintained at a temperature higher than that of the body
Statement II: Anatomical features of the testes and scrotum permit the regulation of testicular temperature
In the light of the above statements, choose the most appropriate answer from the options given below

When glucose is completely oxidized to CO2 and water, C6H12O6 + 6O2 \(\rightarrow\) 6 CO2 + 6H2O, what will be the RQ?

A cow consuming 10 kg of DM having 12% CP voided 20 kg of feaces having 3% CP (as is basis). What is the CP digestibility?

The condition for continuing production in the short-run condition is, if at least

An increase in the investment at national level directly increases the