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CBSE
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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
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MCQ Questions for CBSE Class 4 with Answers
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Quiz
CBSE
/
Class 11
/
Biology
/
Neural Control and Coordination
1.
Which one of the followings is the function of parasympathetic nervous system?
Stimulates oil and sweat glands in the skin
Pupil constriction
Acceleration of heart beat
Contraction of hair muscles
2.
During resting state, fluid outside axon contains
low concentration of K
low concentration of Na
low concentration of Cl
high concentration of Cl
3.
The basic cyclic pattern of inspiration and expiration are established by a respiratory center within the ______.
Cerebellum
Medulla oblongata
Cerebral cortex
Thalamus
4.
The cutaneous plexus and the papillary plexus consist of
Specialized cells for cutaneous sensations
A network of arteries to provide dermal supply
A network of nerves to provide dermal sensation
Gland cells that release cutaneous secretions
5.
The generation of excitation-contraction coupling involves all the following events except
Generation of end-plate potential
Release of calcium from troponin
Formation of cross-linkages between actin and myosin
Hydrolysis of ATP to ADP
6.
Which portion of the brain is responsible for various emotions such as pleasure, fear, and happiness?
Thalamus
Reticular formation
Hypothalamus
Limbic system
7.
Vestibular apparatus is made up of three semi circular canals. These canals lies at ____ degree angle to each other.
30
45
60
90
8.
At a neuromuscular junction, synaptic vesicles discharge ______.
Acetylcholine
Epinephrine
Adrenaline
None of these
9.
There are ______ pairs of cranial nerves arising from the brain.
8
12
18
25
10.
When a neuron is in resting state i. e. not conducting any impulse, the axonal membrane is
Comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
Comparatively more permeable to Na+ ions and nearly impermeable to K+ ions
Equally permeable to both Na+ and K+ ions
Impermeable to both Na+ and K+ ions
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