- An immunosuppressive hormone is
(a) aldosterone (b) vasopressin
(c) cortisol (d) Collip’s hormone. - Which of the following statements is true regarding vitreous
humour present in eye?
(a) It is present between cornea and lens.
(b) It is a semisolid jelly-like substance.
(c) It can be continuously replaced in a significant quantity.
(d) It provides nutrients to the lens and cornea. - Read the given statements and select the correct option.
Statement A : Nerve impulse is originated from threshold
stimulus.
Statement B : Threshold stimulus is the minimum strength
of stimulus which is applied to the nerve fibre to stimulate
it effectively.
(a) Both statements A and B are correct and statement B
is the correct explanation of statement A.
(b) Both statements A and B are correct but statement B
is not the correct explanation of statement A.
(c) Statement A is correct but statement B is incorrect.
(d) Both statements A and B are incorrect.
- Fourth cranial nerve in humans is
(a) trochlear nerve
(b) optic nerve
(c) facial nerve
(d) glossopharyngeal nerve. - Which of the following functions of parasympathetic neural
system is given incorrectly?
(a) It slows heartbeat.
(b) It promotes contraction of gall bladder.
(c) It relaxes urinary bladder.
(d) It constricts pupil of eye. - Read the given passage.
The electrical potential difference across the resting plasma
membrane is called as the A whereas the state of the
resting membrane is called B.
Select the option which correctly fills the given blanks.
A B
(a) Polarised state Depolarised state
(b) Depolarised state Polarised state
(c) Threshold stimulus Repolarisation
(d) Resting potential Polarised state- Which of the following is a mismatched pair?
(a) Cervical curvature – Neck region
(b) Lumbar curvature – Pelvic region
(c) Thin myofilament – Tropomyosin
(d) Cardiac muscle – Intercalated disc
27. Observe the given diagram of reflex arc. Which of the
labelled parts represents afferent nerve fibre?
DA
BC(a) A (b) B (c) C (d) D- Refer to the given diagram of T.S. of human cochlea. Identify
the labelled parts (A-D) and select the correct option.
A
D
BC(a) A-Tectorial membrane, B-Reissner’s membrane,
C-Stria vascularis, D-Scala vestibuli
(b) A-Reissner’s membrane, B-Tectorial membrane,
C-Scala vestibuli, D-Stria vascularis
(c) A-Scala vestibuli, B-Stria vascularis, C-Reissner’s
membrane, D-Tectorial membrane
(d) A-Stria vascularis, B-Scala vestibuli, C-Tectorial
membrane, D-Reissner’s membrane- Read the given statements and select the correct option.
Statement A : Neurohypophysis is under the direct
regulation of the hypothalamus.
Statement B : Neurohypophysis stores and releases
two hormones called oxytocin and vasopressin which are
actually synthesised by the hypothalamus.
(a) Both statements A and B are correct and statement B
is the correct explanation of statement A.
(b) Both statements A and B are correct but statement B
is not the correct explanation of statement A.
(c) Statement A is correct but statement B is incorrect.
(d) Both statements A and B are incorrect. - Read the following statements and select the correct option
stating which ones are true (T) and which ones are false (F).
I. Noradrenaline was the first neurotransmitter to be
isolated from vagus nerve in frog heart.
II. Nissl’s granules are irregular masses of smooth
endoplasmic reticulum present in neurons.