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Neural Control and Coordination · Question 36

AIPMT 2010 (Mains)MCQMedium📈 Topic in 38% papers+4−1
1

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

Answer

(3) array|l|l|l| Structure & Location & Function \ Hypothalamus & Forebrain & Controls body temperature, urge for eating and drinking \ array

Solution

As per NCERT, the hypothalamus lies at the base of the thalamus in the forebrain; it contains centres which control body temperature and the urge for eating and drinking.

∵ The Eustachian tube connects the middle ear cavity with the pharynx (it is not part of the internal ear); the cerebellum is part of the hindbrain, and respiration and gastric secretions are controlled by the medulla; at the blind spot photoreceptors (rods and cones) are absent,

∴ only (3) is correctly matched.

Answer: (3)

AIPMT 2010 (Mains)

Keep practising — Neural Control and Coordination

2

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)
3

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
4

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

  1. Cerebellum
  2. Cerebrum
  3. Hypothalamus
  4. Medulla oblongata
AIPMT 2009
5

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
6

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
7

Cornea transplant in humans is almost never rejected. This is because

  1. it is composed of enucleated cells
  2. it is a non-living layer
  3. its cells are least penetrable by bacteria
  4. it has no blood supply
Out of syllabusAIPMT 2008
8

Which one of the following is the correct difference between rod cells and cone cells of our retina?

  1. array|l|l|l| & Rod cells & Cone cells \ Overall function & Vision in poor light & Colour vision and detailed vision in bright light \ array
  2. array|l|l|l| & Rod cells & Cone cells \ Distribution & More concentrated in centre of retina & Evenly distributed all over retina \ array
  3. array|l|l|l| & Rod cells & Cone cells \ Visual acuity & High & Low \ array
  4. array|l|l|l| & Rod cells & Cone cells \ Visual pigment contained & Iodopsin & Rhodopsin \ array
Out of syllabusAIPMT 2008
9

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric change?

  1. First positive, then negative and continue to be negative
  2. First negative, then positive and continue to be positive
  3. First positive, then negative and again back to positive
  4. First negative, then positive and again back to negative
AIPMT 2007
10

Bowman's glands are located in the

  1. Anterior pituitary
  2. Female reproductive system of cockroach
  3. Olfactory epithelium of our nose
  4. Proximal end of uriniferous tubules
AIPMT 2007
11

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell?

  1. Perikaryon and dendrites
  2. Nucleus and mitochondria
  3. Flagellum and medullary sheath
  4. Vacuoles and fibres
AIPMT 2007

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