An opioid peptide produced in the brain, especially in the pituitary gland, that blocks the sensation of pain is:

1. substance P

2. beta-endorphin

3. nicotine

4. neuropeptide

Subtopic:  Diencephalon |

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

Hints

The type of neuron seen in the retina of human eye are:

1. bipolar

2. unipolar

3. multipolar

4. sensory

Subtopic:  Basic Anatomy of Human Eye (OLD NCERT) |
 84%
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.


The peripheral nervous system in humans PNS consists of cranial nerves and:

1. spinal cord

2. sensory nerves

3. the brain

4. spinal nerves

Subtopic:  Nervous System |
 65%

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

Hints

advertisementadvertisement

Blood brain barrier formation is the function of:

1. microglia

2. Schwann cell

3. astrocyte

4. oligodendrocytes

Subtopic:  Nervous System |
 54%

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

Hints

The neuron in humans with many nerve fibers arising from its cell body and that carries impulses to the effectors would be called as:

1. multipolar 2. bipolar
3. unipolar and sensory 4. multipolar and motor
Subtopic:  Nervous System |
 64%
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.


The regulation of the composition of cerebrospinal fluid is the function of:

1. astrocytes

2. oligodendrocytes

3. microglia

4. ependyma

Subtopic:  Meninges, Ventricles & CSF |

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

Hints

advertisementadvertisement

All the following statements regarding nerve impulse conduction are correct except:
1. Myelinated neurons have a higher conduction velocity than unmyelinated neurons.
2. Nerve impulses occur in an all-or-none manner.
3. The neuron cannot be stimulated during the depolarization phase.
4. The strength of impulses carried along a single nerve fiber can vary with the strength of their stimulus.

Subtopic:  Action Potential |

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

Hints

The neurotransmitter responsible for sleep induction and mood stabilization is:
1. GABA
2. acetylcholine
3. serotonin
4. dopamine

Subtopic:  Action Potential |

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

Hints

The organ converts one energy form into another would be called as:

1. effector

2. transducer

3. generator

4. receptor

Subtopic:  Nervous System |
 68%

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

Hints

advertisementadvertisement

Sensors that provide information about joint angle, muscle length, and muscle tension, which is integrated to give information about the position of the limb in space are called as:
1. Golgi tendon organs
2. Meissner’s corpuscles
3. proprioceptors
4. nociceptors

Subtopic:  Autonomic Nervous System (OLD NCERT) |

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

Hints