CBSE 10th Standard Science Subject Control and Coordination Ncert Exemplar MCQ Questions 2021
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CBSE 10th Standard Science Subject Control and Coordination Ncert Exemplar MCQ Questions 2021
10th Standard CBSE
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Reg.No. :
Science
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Which of the following statement is correct about receptors?
(a)Gustatory receptors detect taste while olfactory receptors detect smell
(b)Both gustatory and olfactory receptors detect smell
(c)Auditory receptors detect smell and olfactory receptors detect taste
(d)Olfactory receptors detect taste and gustatory receptors smell
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Electrical impulse travels in a neuron from
(a)Dendrite \(\rightarrow\) axon \(\rightarrow\) axonal end \(\rightarrow\) cell body
(b)Cell body \(\rightarrow\) dendrite \(\rightarrow\) axon \(\rightarrow\) axonal end
(c)Dendrite \(\rightarrow\) cell body \(\rightarrow\) axon \(\rightarrow\) axonal end
(d)Axonal end \(\rightarrow\) axon \(\rightarrow\) cell body \(\rightarrow\) dendrite
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In a synapse, chemical signal is transmitted from
(a)Dendritic end of one neuron to axonal end of another neuron
(b)Axon to cell body of the same neuron
(c)Cell body to axonal end of the same neuron
(d)Axonal end of one neuron to dendritic end of another neuron
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In a neuron, conversion of electrical signal to a chemical signal occurs at/in
(a)Cell body
(b)Axonal end
(c)Dendritic end
(d)Axon
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Which is the correct sequence of the components of a reflex arc?
(a)Receptors \(\rightarrow\) Muscles \(\rightarrow\) Sensory neuron \(\rightarrow\) Motor neuron \(\rightarrow\) Spinal cord
(b)Receptors \(\rightarrow\) Motor neuron \(\rightarrow\) Spinal cord \(\rightarrow\) Sensory neuron \(\rightarrow\)Muscle
(c)Receptors \(\rightarrow\) Spinal cord \(\rightarrow\) Sensory neuron \(\rightarrow\) Motor neuron \(\rightarrow\) Muscle
(d)Receptors \(\rightarrow\) Sensory neuron \(\rightarrow\) Spinal cord \(\rightarrow\) Motor neuron \(\rightarrow\) Muscle
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CBSE 10th Standard Science Subject Control and Coordination Ncert Exemplar MCQ Questions 2021 Answer Keys
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(a)
Gustatory receptors detect taste while olfactory receptors detect smell
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(c)
Dendrite \(\rightarrow\) cell body \(\rightarrow\) axon \(\rightarrow\) axonal end
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(d)
Axonal end of one neuron to dendritic end of another neuron
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(b)
Axonal end
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(d)
Receptors \(\rightarrow\) Sensory neuron \(\rightarrow\) Spinal cord \(\rightarrow\) Motor neuron \(\rightarrow\) Muscle
