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

Explanation:
The plant cell wall is primarily made up of cellulose, hemicellulose, pectins, and proteins. Cellulose provides the main structural framework, while hemicellulose and pectins help in cross-linking and providing flexibility. Chitin is found in fungal cell walls, and peptidoglycan is found in bacterial cell walls.

Explanation:
Acetylcholinesterase degrades acetylcholine into acetate and choline, terminating the synaptic signal. Choline acetyltransferase synthesizes ACh, MAO and COMT degrade monoamines.

Explanation:
The medulla oblongata, part of the brainstem, contains vital centers that control respiration, heart rate, and blood pressure. It also regulates reflex actions like coughing, swallowing, and vomiting. The cerebrum is for voluntary actions and thinking, cerebellum for coordination, and hypothalamus for homeostasis and endocrine control.