The hormone that causes the let-down of milk during breastfeeding is: MCQ with Answer and Explanation

Explanation:
Sericulture involves the cultivation of mulberry plants (Morus alba) and rearing of the silkworm Bombyx mori to produce raw silk. Apiculture is beekeeping, pisciculture is fish farming, vermiculture is earthworm rearing for compost. India is the second-largest producer of silk after China, producing mulberry, tasar, eri, and muga silk.

Explanation:
The small intestine is highly specialized for absorption, with circular folds, villi, and microvilli massively increasing its surface area. The duodenum is the first, shortest part, receiving the hepatopancreatic duct carrying bile and pancreatic juice. The ileum is the third and final part, connecting to the large intestine. Thus, statements 1 and 2 are correct.

Explanation:
Beriberi results from thiamine (B₁) deficiency, characterized by neurological and cardiovascular symptoms. Scurvy is vitamin C deficiency, pellagra niacin (B₃), rickets vitamin D. Thiamine is a coenzyme in carbohydrate metabolism.