Chemical Coordination and Integration MCQs | Chemical Coordination and Integration Short Questions and Answers

(1) Which of the following is under the direct control d neurosecretory cells?
[A] Pars distalis and pars intermedia
[B] Pars intermedia and pars nervosa
[C] Pars nervosa only
[D] Pars distalis only
Answer: Pars nervosa only
(2) The neuroendocrine structure is
[A] Hypothalamus
[B] Adrenal cortex
[C] Pancreas
[D] Thyroid
Answer: Hypothalamus
(3) Adenohypophysis in humans consists of two portions
[A] Pars distalis and Pars nervosa
[B] Pars intermedia and Pars distalis
[C] Pars nervosa and Pars intermedia
[D] Anterior and posterior pituitary
Answer: Pars distalis and Pars nervosa
(4) Which of the following hormones is not released by pars distalis,in frog?
[A] Growth homone
[B] Prolactin
[C] Luteinizing hormone
[D] Melanocyte stimulating hormone
Answer: Melanocyte stimulating hormone
(5) Melanocyte stimulating hormone in frog is released by
[A] Hypothalamus
[B] Pars nervosa
[C] Pars distalls
[D] Pars intermedla
Answer: Pars intermedla
(6) The hormone which promotes protein anabolism, absorption of calcium from the bowel and retards use of blood glucose for ATP production
[A] Melatonin
[B] Adrenaline
[C] Insulin
[D] Growth hormone
Answer: Growth hormone
(7) Dwarfism occurs when there is
(i) Over secretion of growth hormone
(ii) Under secretion of growth hormone
(iii) Over secretion of somatostatin
(iv) Under secretion of somatostatin
[A] (i) and (iii)
[B] Only (ii)
[C] (ii) and (iii)
[D] (ii) and (iv)
Answer: 2
(8) Which of the following hormones is responsible for gigantism?
[A] Growth hormone
[B] Somatostatin
[C] Adrenaline
[D] GnRH
Answer: Growth hormone
(9) Prolactin activates
[A] Growth of breasts and secretion of milk in mammary glands
[B] Secondary sexual characters in males
[C] Melatonin secretion
[D] Estrogen secretion
Answer: Growth of breasts and secretion of milk in mammary glands

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