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Class XI Biology Revision Quiz Neural Control and Coordination 2
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Question 1
Which of the following cranial nerves has the highest number of branches?
Question 2
In a human being, the number of spinal nerves is
Question 3
The flowchart given here shows functional organisation of the human neural system. Identify A to E and select the correct option.
Question 4
The given figure shows lateral view of the human brain. Identify the parts labelled as A to E and select the correct option.
Question 5
The correct sequence of meninges from inner to outer side is
Question 6
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
Identify the parts labeled as A to E and select the correct option.
Question 7
The electrical potential difference between outside and inside of a nerve axon before excitation is known as
Question 8
A typical value of resting membrane potential is
Question 9
Complete the following paragraph by selecting the option that gives correct sequence of words.
When a stimulus is applied at a site on the polarized membrane, the membrane at that site becomes freely permeable to (i) ions. It causes rapid influx of (ii) ions leading to (iii) of the membrane.
When a stimulus is applied at a site on the polarized membrane, the membrane at that site becomes freely permeable to (i) ions. It causes rapid influx of (ii) ions leading to (iii) of the membrane.
Question 10
Depolarisation of axolemma during nerve conduction takes place because
Question 11
Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that
Question 12
Which of the following statements is incorrect?
Question 13
An investigator places an isolated neuron in a calcium- free medium, gives the neuron a suprathreshold stimulus and then performs an assay to test whether neurotransmitter is released into the medium. Which of the following outcomes would you predict?
Question 14
Which of the following options correctly describes the sequence of structures present between a receptor and an effector when D refers dendrite, A refers axon, S refers synapse and CB refers to cell body?
Question 15
The given diagram shows axon terminal and synapse. Here A, B, C, D and E respectively represent.
Question 16
Cornea is covered externally by a thin transparent membrane which is called
Question 17
The innermost layer of the human eye is
Question 18
The black pigment in the eye, which reduces the internal reflection, is located in
Question 19
The thin elastic membrane covering the sensory hair cells of the ear is known as
Question 20
Macula maintains
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