The hormone that stimulates the growth of the ovarian follicle is:
A. LH
B. FSH
C. Estrogen
D. Progesterone
Answer: Option B
Solution (By JKExamLibrary)
Follicle-stimulating hormone (FSH) from the anterior pituitary promotes the growth and maturation of ovarian follicles and stimulates estrogen secretion. LH triggers ovulation, estrogen proliferates endometrium, progesterone maintains it.
Explanation:
Accommodation involves lens shape change via ciliary muscles. The blind spot lacks photoreceptors; fovea has high cone density; pupil adjusts via iris.
Explanation:
The thalamus, a paired structure in the diencephalon, processes and relays sensory information (except olfaction) to the cerebral cortex. It also regulates consciousness and alertness. The cerebellum coordinates movement, hypothalamus maintains homeostasis, medulla controls vital reflexes.
Explanation:
Folic acid (vitamin B₉) is reduced to tetrahydrofolate (THF), which carries one-carbon groups in amino acid and nucleotide metabolism. Biotin is for carboxylation, riboflavin for redox, thiamine for decarboxylation.
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