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Neural Control and Coordination · Question 31

NEET 2013 (Karnataka)MCQEasy📈 Topic in 38% papers+4−1
1

A sagittal section of human brain is shown here. Identify at least two labels from A-D. [Figure]

  1. A-Cerebral hemispheres, B-Cerebellum
  2. B-Corpus callosum, D-Medulla
  3. C-Mid brain, D-Cerebellum
  4. A-Cerebrum, C-Pons

Answer

(4) A-Cerebrum, C-Pons

Solution

In the figure, A marks the cerebral hemisphere (cerebrum), the large convoluted upper part of the forebrain.

C marks the pons, the bulged part of the hindbrain lying in front of the cerebellum, above the medulla.

∴ B is not the cerebellum (the cerebellum is the folded mass at the back), C is not the mid brain and D is not the cerebellum.

As per NCERT, the hindbrain comprises pons, cerebellum and medulla; the cerebrum forms the major part of the brain.

⇒ A-Cerebrum and C-Pons are correctly identified.

Answer: (4)

NEET 2013 (Karnataka)

Keep practising — Neural Control and Coordination

2

The human hind brain comprises three parts, one of which is

  1. spinal cord
  2. corpus callosum
  3. cerebellum
  4. hypothalamus.
AIPMT 2012 (Prelims)
3

Which part of the human ear plays no role in hearing as such but is otherwise very much required?

  1. Eustachian tube
  2. Organ of Corti
  3. Vestibular apparatus
  4. Ear ossicles
AIPMT 2012 (Prelims)
4

When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is

  1. comparatively more permeable to Na+ ions and nearly impermeable to K+ ions
  2. equally permeable to both Na+ and K+ ions
  3. impermeable to both Na+ and K+ ions
  4. comparatively more permeable to K+ ions and nearly impermeable to Na+ ions.
AIPMT 2011 (Prelims)
5

The purplish red pigment rhodopsin contained in the rod type of photoreceptor cells of the human eye, is a derivative of

  1. vitamin B1
  2. vitamin C
  3. vitamin D
  4. vitamin A
Out of syllabusAIPMT 2011 (Prelims)
6

Select the answer with correct matching of the structure, its location and function.

  1. array|l|l|l| Structure & Location & Function \ Eustachian tube & Anterior part of internal ear & Equalises air pressure on either side of tympanic membrane \ array
  2. array|l|l|l| Structure & Location & Function \ Cerebellum & Midbrain & Controls respiration and gastric secretions \ array
  3. array|l|l|l| Structure & Location & Function \ Hypothalamus & Forebrain & Controls body temperature, urge for eating and drinking \ array
  4. array|l|l|l| Structure & Location & Function \ Blind spot & Near the place where optic nerve leaves the eye & Rods and cones are present but inactive here \ array
AIPMT 2010 (Mains)
7

The nerve centres which control the body temperature and the urge for eating are contained in

  1. hypothalamus
  2. pons
  3. cerebellum
  4. thalamus
AIPMT 2010 (Prelims)
8

Alzheimer's disease in humans is associated with the deficiency of

  1. glutamic acid
  2. acetylcholine
  3. gamma aminobutyric acid (GABA)
  4. dopamine.
AIPMT 2009
9

Which part of human brain is concerned with the regulation of body temperature?

  1. Cerebellum
  2. Cerebrum
  3. Hypothalamus
  4. Medulla oblongata
AIPMT 2009
10

During the propagation of a nerve impulse, the action potential results from the movement of

  1. K+ ions from intracellular fluid to extracellular fluid
  2. Na+ ions from extracellular fluid to intracellular fluid
  3. K+ ions from extracellular fluid to intracellular fluid
  4. Na+ ions from intracellular fluid to extracellular fluid
AIPMT 2008
11

Given below is a diagrammatic cross section of a single loop of human cochlea. [Figure] Which one of the following options correctly represents the names of three different parts?

  1. B : Tectorial membrane, C : Perilymph, D : Secretory cells
  2. A : Perilymph, B : Tectorial membrane, C : Endolymph
  3. C : Endolymph, D : Sensory hair cells, A : Serum
  4. D : Sensory hair cells, A : Endolymph, B : Tectorial membrane
AIPMT 2008

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