CHEMICAL COORDINATION AND INTEGRATION

Q182. Which of the following is the function of insulin? 

(1) Promote synthesis of fats from glucose by adipose tissue 

(2) Promote protein synthesis by promoting uptaking aminoacids by liver and muscle cells 

(3) Promote conversion of glucose into glycogen 

(4) All of these 

Ans.4

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Q183.The organ which was considered vestigial till recently but now confirmed to be endocrine gland is 

(1) Thymus Pineal 

(2) Pancreas 

(3) Pituitary 

(4) Pineal

Ans.4

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Q184.Which statement is incorrect w.r.t. melatonin hormone? 

(1) Shows diurnal variation 

(2) Antigonadial hormone 

(3) Secreted by pineal body 

(4) Poorly vascularised 

Ans.4

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Q185.Mammalian thymus is mainly concerned with 

(1) Regulation of body temperature 

(2) Regulation of body growth 

(3) Immunological functions 

(4) Secretion of thyrotropin

Ans.3

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Q186.Which of the following gland grows to the maximum size at puberty and then diminishes gradually? 

(1) Pituitary

(2) Thymus

(3) Adrenal 

(4) Thyroid 

Ans.2

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Q187.Relaxin is secreted by which endocrine gland? 

(1) Macula lutea 

(2) Pituitary 

(3) Pineal 

(4) Ovary 

Ans.4

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Q188.Gynaecomastia condition can develop due to 

(1) Permanent increase in circulating estrogen in since birth 

(2) Temporary increase in circulating estrogen at puberty 

(3) Decreased testosterone in later life 

(4) All of these

Ans.4

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Q189.Placental hormone called chorionic gonadotropin (hCG) which stimulates secretion of progesterone by the ovary during pregnancy is

(1) Proteinaceous in nature 

(2) Steroid in nature 

(3) Biogenic amine 

(4) Both (1) & (2) 

Ans.1

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Q190.High pitch juvenile voice in males can be retained by 

(1) Ovariectomy 

(2) Castration 

(3) Synorchidism 

(4) Eunuchoidism 

Ans.2

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Q191.Select the odd one w.r.t. source of hormones. 

(1) Glucocorticoids, Mineralocorticoids, Sexcorticoids 

(2) Nor-epinephrine, Epinephrine, Adrenaline 

(3) Relaxin, Estrogen, Progesterone 

(4) Insulin, Glucagon, Thymosin

Ans.4

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Q192.Production, secretion and ejection of milk requires the synergistic effects of prolactin and 

(1) Estrogen 

(2) Progesterone 

(3) Oxytocin 

(4) All of these

Ans.4

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Q193."Secondary messenger" is

(1) cAMP

(2) ATP

(3) ADP

(4) DNA

Ans.1

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Q194.The secondary messenger which show antagonistic effect to CAMP in heart muscle is 

(1) Ca2+

(2) Inositol triphosphate (IP3)

(3) DAG 

(4) cGMP 

Ans.4

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Q195.The hormone which acts through intracelluar receptor protein is 

(1) Growth hormone 

(2) Prolactin 

(3) Thyroxine 

(4) Adrenaline

Ans.3

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Q196.Pituitary hormone known to have diabetogenic effect is

(1) TSH 

(2) GH 

(3) LH 

(4) PRL 

Ans.2