The hormone that inhibits gastric secretion and motility is:
A. Gastric inhibitory peptide (GIP)
B. Gastrin
C. Secretin
D. Cholecystokinin
Answer: Option A
Solution (By JKSSB Mock Tests)
GIP (glucose-dependent insulinotropic peptide), released by the small intestine, inhibits gastric acid secretion and motility, and stimulates insulin release. Gastrin stimulates acid secretion, secretin stimulates bicarbonate, CCK stimulates gall bladder contraction. GIP was originally named for its gastric inhibitory effect.
Explanation:
Plastics are synthetic polymers that resist microbial decomposition and persist in the environment for hundreds of years, causing pollution. Paper, cotton, and vegetable waste are biodegradable and broken down by decomposers.
Explanation:
Vitamin K is a cofactor for γ-glutamyl carboxylase, which carboxylates glutamic acid in prothrombin and other factors, enabling calcium binding.
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