In the male reproductive system, the spermatozoa are stored and mature in the: MCQ with Answer and Explanation

Explanation:
Humulin is the trade name for the first genetically engineered human insulin, approved by the FDA in 1982. Prior to this, insulin for diabetic patients was extracted from the pancreases of pigs and cows, which could cause allergic reactions. Humulin is produced by inserting the human insulin genes into Escherichia coli bacteria, which then synthesize the exact amino acid sequence of human insulin, eliminating the risk of animal-derived immune reactions.

Explanation:
Lactobacillus species convert lactose (milk sugar) into lactic acid, which lowers the pH and causes milk protein casein to coagulate, forming curd. This fermentation process also gives curd its characteristic sour taste. S. pneumoniae causes pneumonia, Salmonella typhi typhoid, Clostridium botulinum botulism. Lactobacillus is also a probiotic.

Explanation:
Poultry farming involves the commercial rearing of birds, primarily chickens, for the production of meat (broilers) and eggs (layers). Dairy farming focuses on the breeding, rearing, and management of cattle, buffaloes, and other mammals for the production of milk and milk products. Sericulture is the rearing of silkworms (Bombyx mori) for silk production; the rearing of honeybees is called apiculture. Thus, statements 1 and 2 are correct.