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Neural Control and Coordination · Question 15

NEET 2018MCQEasy📈 Topic in 12% papers+4−1
1

The transparent lens in the human eye is held in its place by

  1. smooth muscles attached to the ciliary body
  2. ligaments attached to the ciliary body
  3. ligaments attached to the iris
  4. smooth muscles attached to the iris

Answer

(2) ligaments attached to the ciliary body

Solution

As per NCERT, inside the eyeball, behind the iris, is a transparent crystalline lens which is held in place by ligaments attached to the ciliary body.

Answer: (2)

Out of syllabusNEET 2018

Keep practising — Neural Control and Coordination

2

Myelin sheath is produced by

  1. astrocytes and Schwann cell
  2. oligodendrocytes and osteoclasts
  3. osteoclasts and astrocytes
  4. Schwann cells and oligodendrocytes.
NEET 2017
3

Receptor sites for neurotransmitters are present on

  1. pre-synaptic membrane
  2. tips of axons
  3. post-synaptic membrane
  4. membranes of synaptic vesicles.
NEET 2017
4

Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements.

  1. A, C and D only
  2. A and C only
  3. B, C and D only
  4. A and B only
Out of syllabusNEET 2017
5

Photosensitive compound in human eye is made up of

  1. opsin and retinol
  2. transducin and retinene
  3. guanosine and retinol
  4. opsin and retinal.
Out of syllabusNEET 2016 (Phase 1)
6

Choose the correct statement.

  1. Nociceptors respond to changes in pressure.
  2. Meissner's corpuscles are thermoreceptors.
  3. Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus.
  4. Receptors do not produce graded potentials.
Out of syllabusNEET 2016 (Phase 2)
7

Destruction of the anterior horn cells of the spinal cord would result in loss of

  1. commissural impulses
  2. integrating impulses
  3. sensory impulses
  4. voluntary motor impulses.
AIPMT 2015
8

In mammalian eye, the 'fovea' is the center of the visual field, where

  1. only rods are present
  2. more rods than cones are found
  3. high density of cones occur, but has no rods
  4. the optic nerve leaves the eye.
Out of syllabusAIPMT 2015
9

Which of the following regions of the brain is incorrectly paired with its function?

  1. Corpus callosum - communication between the left and right cerebral cortices
  2. Cerebrum - calculation and contemplation
  3. Medulla oblongata - homeostatic control
  4. Cerebellum - language comprehension
AIPMT 2015 (Cancelled)
10

A gymnast is able to balance his body upside down even in the total darkness because of

  1. tectorial membrane
  2. organ of corti
  3. cochlea
  4. vestibular apparatus.
Out of syllabusAIPMT 2015 (Cancelled)
11

Injury localized to the hypothalamus would most likely disrupt

  1. short-term memory
  2. co-ordination during locomotion
  3. executive functions, such as decision making
  4. regulation of body temperature.
AIPMT 2014

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