Free Chemical Coordination And Integration (Daily Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Changes in GnRH pulse frequency in females is controlled by circulating levels of

(a) estrogen and inhibin

(b) estrogen and progesterone

(c) progesterone only

(d) progesterone and inhibin

Question-2

The technique used for estimation of minute amounts of hormones and drugs is called

(a) electroencephalogram

(b) electrophoresis

(c) fractionation

(d) radioimmunoassay

Question-3

Occurrence of Leydig's cells and their secretion is

(a) liver and cholesterol

(b) pancreas and glucagon

(c) ovary and estrogen

(d) testis and testosterone

Question-4

Secretion of which of the following structure is preparing the inner wall of uterus of implantation

(a) pituitary gland

(b) ovary

(c) corpus luteum

(d) ovarian follicle

Question-5

Hormones are called chemical signals that stimulate specific target tissues. Their specificity is due to the presence of signal receiving 'receptors' only in the respective target tissues. Where are these receptors present in case of hormones of protein nature?

(a) Blood

(b) Extracellular matrix

(c) Plasma membrane

(d) Nucleus