Given below are two statements with respect to the neurotransmitter,dopamine.
Statement-$I$: Degeneration of dopamine-producing neurons causes Parkinson's disease.
Statement-$II$: Dopamine levels increase due to cocaine.
Choose the most appropriate answer from the options given below.
Statement-$I$: Degeneration of dopamine-producing neurons causes Parkinson's disease.
Statement-$II$: Dopamine levels increase due to cocaine.
Choose the most appropriate answer from the options given below.
- AStatement-$I$ is correct but Statement-$II$ is incorrect.
- BBoth Statement-$I$ and Statement-$II$ are incorrect.
- CBoth Statement-$I$ and Statement-$II$ are correct.
- DStatement-$I$ is incorrect but Statement-$II$ is correct.
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$I.$ The endocrine system provides chemical integration through hormones.
$II.$ The neural system provides an organized network of point-to-point connections for quick coordination.
$III.$ The neural organization is very complex in lower invertebrates.
$IV.$ The human neural system includes $CNS$ and $PNS$.
Select the correct statements.
$II.$ The neural system provides an organized network of point-to-point connections for quick coordination.
$III.$ The neural organization is very complex in lower invertebrates.
$IV.$ The human neural system includes $CNS$ and $PNS$.
Select the correct statements.
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View SolutionDifferentiate between: (Any four)
$(a)$ Myelinated and non-myelinated axons
$(b)$ Dendrites and axons
$(c)$ Rods and cones
$(d)$ Thalamus and Hypothalamus
$(e)$ Cerebrum and Cerebellum
$(a)$ Myelinated and non-myelinated axons
$(b)$ Dendrites and axons
$(c)$ Rods and cones
$(d)$ Thalamus and Hypothalamus
$(e)$ Cerebrum and Cerebellum
Medium
View SolutionMatch the following:
$A.$ Reflex action $1.$ Involuntary action
$B.$ Multipolar $2.$ Neuron
$C.$ $Na^+$ and $K^+$ ions $3.$ Parasympathetic nervous system
$D.$ Increases secretion of saliva and digestive juices $4.$ Reflex action
$E.$ Knee jerk $5.$ Active transport
The correct sequence for $A, B, C, D, E$ is:
$A.$ Reflex action $1.$ Involuntary action
$B.$ Multipolar $2.$ Neuron
$C.$ $Na^+$ and $K^+$ ions $3.$ Parasympathetic nervous system
$D.$ Increases secretion of saliva and digestive juices $4.$ Reflex action
$E.$ Knee jerk $5.$ Active transport
The correct sequence for $A, B, C, D, E$ is:
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View SolutionInjury to the $Vagus$ nerve ($CN$ $X$) in humans is not likely to affect which of the following?
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View SolutionGiven below is a table comparing the effects of sympathetic and parasympathetic nervous system for four features. Which one feature is correctly described?
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