The rearing of silkworms for silk production is known as: MCQ with Answer and Explanation

Explanation:
Carolus Linnaeus, a Swedish botanist, formalized the system of binomial nomenclature for naming organisms. Louis Pasteur made immense contributions to microbiology, including the development of the first effective vaccine against rabies. Gregor Mendel is the father of genetics, known for his laws of inheritance; the structure of DNA was discovered by Watson and Crick. Thus, statements 1 and 2 are correct.

Explanation:
Oxytocin, released from the posterior pituitary, causes contraction of myoepithelial cells in mammary alveoli, forcing milk into ducts (let-down reflex). Prolactin stimulates milk synthesis.

Explanation:
B lymphocytes differentiate into plasma cells that produce antibodies (immunoglobulins) against specific antigens, providing humoral immunity. T cells mediate cellular immunity, macrophages and neutrophils are phagocytes.