Consider statements about animal husbandry: 1. Dairy farming focuses on milk production. 2. Poultry farming focuses on meat and egg production. 3. Fisheries focus on silk production. Which are correct? MCQ with Answer and Explanation

Consider statements about animal husbandry: 1. Dairy farming focuses on milk production. 2. Poultry farming focuses on meat and egg production. 3. Fisheries focus on silk production. Which are correct?
A. 1, 2 and 3
B. 1 and 3 only
C. 1 and 2 only
D. 2 and 3 only
Answer: Option C
Solution (By JKSSB Mock Tests)
Dairy farming is the agricultural practice of breeding and raising livestock (like cows and buffaloes) specifically for the long-term production of milk. Poultry farming involves the rearing of domesticated birds (like chickens, ducks, and turkeys) for the production of meat (broilers) and eggs (layers). Fisheries (pisciculture) involves the breeding and rearing of fish and other aquatic organisms for food; silk production is the domain of sericulture (rearing silkworms). Thus, statements 1 and 2 are correct.

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Practice More Biology Questions

Question #1
The hormone that stimulates the release of pancreatic bicarbonate is:
A. Secretin
B. Gastrin
C. Cholecystokinin
D. Motilin

Correct Answer: Option A


Explanation:
Secretin, released from the duodenum in response to acidic chyme, stimulates the pancreas to secrete bicarbonate-rich fluid to neutralize the acid. Gastrin stimulates HCl, CCK enzyme secretion, motilin GI motility.

This question belongs to: Science Biology
Question #2
Consider statements about cell division: 1. Mitosis results in four daughter cells. 2. Meiosis involves two successive divisions. 3. Crossing over occurs in mitosis. Which are correct?
A. 1 and 2 only
B. 1, 2 and 3
C. 1 and 3 only
D. 2 only

Correct Answer: Option D


Explanation:
Mitosis is an equational division resulting in two genetically identical diploid daughter cells, not four. Meiosis is a reductional division involving two successive stages, meiosis I and meiosis II, producing four haploid cells. Crossing over, the exchange of genetic material, occurs exclusively during the pachytene stage of prophase I in meiosis, not in mitosis. Only statement 2 is correct.

This question belongs to: Science Biology
Question #3
The finger-like projections in the small intestine that increase the surface area for absorption are:
A. Villi
B. Cilia
C. Nephrons
D. Alveoli

Correct Answer: Option A


Explanation:
Villi are microscopic finger-like projections on the inner lining of the small intestine, covered with microvilli (brush border), greatly increasing surface area for absorption of digested nutrients. Each villus contains a lacteal (lymph capillary) and blood capillaries. Alveoli are in lungs, nephrons in kidneys, cilia are hair-like projections on cells.

This question belongs to: Science Biology