Chemicals which are released at the synaptic junction are called

1. hormones

2. neurotransmitters

3. cerebrospinal fluid

4. lymph

Subtopic:  Synapse |
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Potential difference across resting membrane is negatively charged. This is due to differential distribution of the following ions.

1. Na+ and K+ ions

2. CO32- and Cl- ions

3. Ca2+ and Mg2+ ions

4. Ca+4 and Cl- ions

Subtopic:  Origin of Resting Membrane Potential |
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Resting membrane potential is maintained by

1. hormones

2. neurotransmitters

3. ion pumps

4. None of these

Subtopic:  Origin of Resting Membrane Potential |
 89%
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Which of the following is not involved in knee-jerk reflex?

1. Muscle spindle

2. Motor neuron

3. Brain

4. Inter neurons

Subtopic:  Motor Functions of Spinal Cord |
 64%
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An area in the brain which is associated with strong emotions is

1. cerebral cortex

2. cerebellum

3. limbic system

4. medulla

Subtopic:  Diencephalon | Cerebrum, EEG & Sleep |
 88%
From NCERT
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