641. Which of the following is secondary messenger

A ATP
B Cyclic AMP
C GTP
D ATP and AMP
Answer :   Cyclic AMP
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642. Which gland decreases in size with increasing age

A Thyroid
B Adrenal
C Thymus
D Pituitary
Answer :   Thymus
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643. Which part of brain controls emotions like love, anger and pleasure

A M.O.
B Hypothalamus
C Cerebrum
D Cerebellum
Answer :   Hypothalamus
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644. After vagotomy, what happens in affected person

A Heart rate increases
B Gastric juice secretion increases
C Inhibits micturition
D All of the above
Answer :   Heart rate increases
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645. LH and FSH are collectively called

A Oxytocin
B Somatotrophins
C Luteotrophic
D Gonadotrophins
Answer :   Gonadotrophins
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646. Hyposecretion of aldosterone cause

A Gull's disease
B Grave's disease
C Cushing's disease
D Addison's disease
Answer :   Addison's disease
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647. Which of following is not a protein hormone

A Relaxin
B HCG
C Placental lactogen
D Estradiol
Answer :   Estradiol
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648. Melanocyte stimulating hormone (MSH) is produced by

A parathyroid
B pars intermedia of pituitary
C anterior pituitary
D posterior pituitary
Answer :   pars intermedia of pituitary
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Practice More MCQ Question on Biology Section

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