In animal husbandry, the 'Murrah' breed is highly valued for its high milk yield and is a breed of:
A. Buffalo
B. Goat
C. Sheep
D. Cattle
Answer: Option A
Solution (By JKSSB Mock Tests)
The Murrah is a premier breed of water buffalo (Bubalus bubalis) originating from the Haryana and Punjab regions of India. It is renowned for its high milk yield, high fat content in milk, and adaptability to local conditions. It is one of the most important dairy breeds in India and has been exported worldwide for dairy improvement. Sahiwal and Holstein are cattle breeds.
Explanation:
Luteinizing hormone (LH) binds to Leydig cells in the testes, stimulating testosterone production. FSH stimulates Sertoli cells for spermatogenesis. GnRH is hypothalamic.
Explanation:
Self-pollination (autogamy) occurs within the same flower. Geitonogamy is pollination between different flowers of the same plant, functionally cross-pollination. Xenogamy is between different plants. Self-pollination leads to genetic uniformity.
Explanation:
Peptide bond formation is a condensation (dehydration synthesis) reaction where the carboxyl group of one amino acid reacts with the amino group of another, releasing a water molecule. Hydrolysis breaks bonds by adding water. Oxidation/reduction involve electron transfer. Dehydration synthesis builds polymers.
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