The part of the brain that has the most effect on maintenance of homeostasis is:

1. thalamus 2. hypothalamus
3. infundibulum 4. mammillary body

Subtopic:  Diencephalon |
 88%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which is the smallest cranial nerve that innervates the superior oblique muscles of the eye?
1. trochlear
2. abducens
3. oculomotor
4. optic

Subtopic:  Basic Anatomy of Human Eye (OLD NCERT) |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Which of the following is not true regarding parasympathetic system?
1. Preganglionic fibers arise from the thoracic and lumbar regions of the spinal cord.
2. Terminal ganglia are located close to effector organs.
3. Preganglionic fibers are myelinated; postganglionic fibers are not.
4. Parasympathetic postganglionic fibers secrete acetylcholine.

Subtopic:  Autonomic Nervous System (OLD NCERT) |
 51%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

The reflex arc ends at:
1. sensory neuron
2. motor neuron
3. effector
4. receptor

Subtopic:  Motor Functions of Spinal Cord |
 75%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


A duct within the mesencephalon, contains cerebrospinal fluid (CSF), and connects the third ventricle to the fourth ventricle is called:

1. interventricular foramen 2. cerebral aqueduct
3. foramen of Monro 4. foramen of Magendie
Subtopic:  Meninges, Ventricles & CSF |
 76%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


A catecholamine is released as a neurotransmitter by:
1. preganglionic sympathetic fibers
2. postganglionic sympathetic fibers
3. preganglionic parasympathetic fibers
4. postganglionic parasympathetic fibers

Subtopic:  Autonomic Nervous System (OLD NCERT) |
 53%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

Catecholamines like adrenaline and noradrenaline are derived from the amino acid:
1. glycine
2. tyrosine
3. tryptophan
4. glutamic acid

Subtopic:  Synapse |
 66%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Cocaine acts by interfering the reuptake of dopamine. Thus, cocaine is a:
1. sympathetic agonist
2. sympathetic antagonist
3. sympathetic neurotransmitter
4. parasympathetic agonist

Subtopic:  Synapse |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

ANS is most directly under the control of:

1. medulla oblongata

2. cerebrum

3. cerebellum

4. hypothalamus

Subtopic:  Hind & Mid Brain |
 54%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

The neurotransmitter released by postganglionic parasympathetic neurons is:
1. acetylcholine
2. norepinephrine
3. epinephrine
4. dopamine

Subtopic:  Synapse |
 69%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints