R4RIN – MCQs, Mock Tests | Zoology Zoology MCQS[NEET-2021 to 2022]-Neurotransmitters

The chemical substance that act as the mediator for the transmission of impulse from one neuron to another neuron through a synapse is called

1. Neuromodulators
2. Neurotransmitter
3. Neutron
4. none

✅ Correct Answer: 2

The neurotransmitters , Hormones and other chemical messengers which is modify the synaptic transmission are called

1. Neuromodulators
2. Neurotransmitter
3. Neuron
4. Neutron

✅ Correct Answer: 1

Neurotransmitter was first discovered by an Austrian scientist named

1. Leuvinhoek
2. Robert brown
3. Otto Loewi
4. Frog Loewi

✅ Correct Answer: 3

Neurotransmitter was discovered by Otto Loewi in

1. 1919
2. 1920
3. 1921
4. 1922

✅ Correct Answer: 3

For neurotransmitter, Loewi used how many frogs for experiment ?

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 2

True for Neurotransmitter -

1. It must be produced by a neuron
2. After release it must act on a target area
3. After the action it must be inactive
4. All

✅ Correct Answer: 4

The site of secretion of GABA

1. Basal Ganglia
2. Retina
3. Fore brain
4. more than one option is correct

✅ Correct Answer: 1

The site of secretion of Glycine ?

1. Fore brain
2. Hind brain
3. Basal ganglia
4. None

✅ Correct Answer: 1

The neurotransmitter formed by short chained peptides are called

1. Aminopeptides
2. Neuropeptides
3. both a and b
4. none

✅ Correct Answer: 2

The site of secretion of TRH is

1. Medulla oblongata
2. Hypothalamus
3. cerebral hemisphere
4. None

✅ Correct Answer: 2

The Action of Motiline is

1. stimulate intestinal motility
2. stimulate stomach motility
3. stimulate milk ejection
4. stimulate urine ejection

✅ Correct Answer: 1

The action of ANP is

1. increase intestinal activity
2. increase heart beat
3. increase sodium excreation
4. Vasoconstriction

✅ Correct Answer: 3

The action of GHRH is

1. stimulate release of thyroid hormone
2. stimulate release of growth hormone
3. stimulate milk ejection
4. None

✅ Correct Answer: 2

Gastrin stimulate

1. islets in Pancrease
2. HCL secretion
3. gastric secretion
4. more than one option is correct

✅ Correct Answer: 4

Which is responsible for the conduction of impulse from the presynaptic neuron to the postsynaptic neuron ?

1. Inhibitory Neurotransmitters
2. Excitatory Neurotransmitters
3. both a and b
4. None

✅ Correct Answer: 2

true statement for Acetylcholine -

1. This is the cholinergic neurotransmitter.
2. It possesses excitatory function
3. It is released by the Preganglionic parasympathethic nerve
4. All

✅ Correct Answer: 4

Neurotransmitter in adrenergic nerve fibres is

1. Noradrenaline
2. Acetylcholine
3. Both
4. None

✅ Correct Answer: 1

Noradrenaline released by the

1. Cerebral cortex
2. Hypothalamus
3. Basal ganglia
4. All

✅ Correct Answer: 4

Serotonin is known as

1. 5-hydroxy tryptamine
2. 6-hydroxy tryptamine
3. 7-hydroxy tryptamine
4. None

✅ Correct Answer: 1

Dopamine is secreted by

1. Basal ganglia
2. Hypothalamus
3. Both A and B
4. None

✅ Correct Answer: 3

Seratonin is secreted by following structures

1. Hypothalamus
2. GI tract
3. Retina
4. more than one option is correct

✅ Correct Answer: 4

Serotonin is synthesis from tryptophan by

1. Oxydation and carboxylation
2. Oxydation and dicarboxydation
3. Tryptophan and dicaboxylation
4. Tryptophan and Oxydation

✅ Correct Answer: 3

Large amount of Serotonin is found in

1. Platelets
2. Nervous system
3. GI tract
4. None

✅ Correct Answer: 3

Histamine is secreted by

1. nerve ending of hypothalamus
2. limbic cortex
3. cerebral cortex
4. All

✅ Correct Answer: 4

The full form of GABA ?

1. GAMMA ACETICBUTYRIC ACID
2. GAMMA AMINOBUTYRIC ACID
3. GAMMA AMINOBURIC ACID
4. GAMMA ACETICBURIC ACID

✅ Correct Answer: 2

GABA is secreted by nerve ending of

1. Cerebral cortex
2. Cerebellum
3. Basal ganglia
4. All

✅ Correct Answer: 4

What is IPSP ?

1. Intial postsynaptic potential
2. Intial perasynaptic potential
3. Inhibitory postsynaptic potential
4. None

✅ Correct Answer: 3

Glycine is secreted by

1. Brain stem
2. spinal cord
3. Retina
4. All

✅ Correct Answer: 4

Glutamate is secreted in

1. Cerebral cortex
2. Brainstem
3. Cerebellum
4. All

✅ Correct Answer: 4

Aspartate is secreted in

1. Hypothalamus
2. Retina
3. Cerebellum
4. More than one option is correct

✅ Correct Answer: 4

Nitric Oxide is a neurotransmitter in the

1. PNS
2. CNS
3. both a and b
4. None

✅ Correct Answer: 2

Opiod peptides are of three types

1. Enkephalins
2. Dynorphins
3. Endorphins
4. All

✅ Correct Answer: 4

Opium is a juice of

1. green poppy
2. white poppy
3. red poppy
4. none

✅ Correct Answer: 2

Which is the natural opiate peptides recognized first in pig brain ?

1. Enkephalins
2. Dynorphins
3. Endorphins
4. None

✅ Correct Answer: 1

Enkephalins is of two types called

1. Prodynorphin and Dynorphins
2. Leu enkephalin and metenkephalin
3. Leu enkephalin and Prodynorphin
4. None

✅ Correct Answer: 2

Endorphins are the large peptides derived from the

1. precusor proendorphin
2. precusor prodynorphin
3. precusor preendorphin
4. precusor proendorphin

✅ Correct Answer: 1

Histamine is secreted in

1. Hypothalamus
2. Cerebral cortex
3. GI tract
4. All

✅ Correct Answer: 4

Aspartate is secreted by

1. Cerebellum
2. Hypothalamus
3. Ganglia
4. None

✅ Correct Answer: 1

Nitric oxide is secreted by

1. Retina
2. CNS
3. PNS
4. none

✅ Correct Answer: 2

Site of secretion of Glutamate is

1. Cerebral cortex
2. brain stem
3. cerebellum
4. All

✅ Correct Answer: 4

The chemical substance that act as the mediator for the transmission of impulse from one neuron to another neuron through a synapse is called

1. Neuromodulators
2. Neurotransmitter
3. Neutron
4. none

✅ Correct Answer: 2

The neurotransmitters , Hormones and other chemical messengers which is modify the synaptic transmission are called

1. Neuromodulators
2. Neurotransmitter
3. Neuron
4. Neutron

✅ Correct Answer: 1

Neurotransmitter was first discovered by an Austrian scientist named

1. Leuvinhoek
2. Robert brown
3. Otto Loewi
4. Frog Loewi

✅ Correct Answer: 3

Neurotransmitter was discovered by Otto Loewi in

1. 1919
2. 1920
3. 1921
4. 1922

✅ Correct Answer: 3

For neurotransmitter, Loewi used how many frogs for experiment ?

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 2

True for Neurotransmitter -

1. It must be produced by a neuron
2. After release it must act on a target area
3. After the action it must be inactive
4. All

✅ Correct Answer: 4

The site of secretion of GABA

1. Basal Ganglia
2. Retina
3. Fore brain
4. more than one option is correct

✅ Correct Answer: 1

The site of secretion of Glycine ?

1. Fore brain
2. Hind brain
3. Basal ganglia
4. None

✅ Correct Answer: 1

The neurotransmitter formed by short chained peptides are called

1. Aminopeptides
2. Neuropeptides
3. both a and b
4. none

✅ Correct Answer: 2

The site of secretion of TRH is

1. Medulla oblongata
2. Hypothalamus
3. cerebral hemisphere
4. None

✅ Correct Answer: 2

The Action of Motiline is

1. stimulate intestinal motility
2. stimulate stomach motility
3. stimulate milk ejection
4. stimulate urine ejection

✅ Correct Answer: 1

The action of ANP is

1. increase intestinal activity
2. increase heart beat
3. increase sodium excreation
4. Vasoconstriction

✅ Correct Answer: 3

The action of GHRH is

1. stimulate release of thyroid hormone
2. stimulate release of growth hormone
3. stimulate milk ejection
4. None

✅ Correct Answer: 2

Gastrin stimulate

1. islets in Pancrease
2. HCL secretion
3. gastric secretion
4. more than one option is correct

✅ Correct Answer: 4

Which is responsible for the conduction of impulse from the presynaptic neuron to the postsynaptic neuron ?

1. Inhibitory Neurotransmitters
2. Excitatory Neurotransmitters
3. both a and b
4. None

✅ Correct Answer: 2

true statement for Acetylcholine -

1. This is the cholinergic neurotransmitter.
2. It possesses excitatory function
3. It is released by the Preganglionic parasympathethic nerve
4. All

✅ Correct Answer: 4

Neurotransmitter in adrenergic nerve fibres is

1. Noradrenaline
2. Acetylcholine
3. Both
4. None

✅ Correct Answer: 1

Noradrenaline released by the

1. Cerebral cortex
2. Hypothalamus
3. Basal ganglia
4. All

✅ Correct Answer: 4

Serotonin is known as

1. 5-hydroxy tryptamine
2. 6-hydroxy tryptamine
3. 7-hydroxy tryptamine
4. None

✅ Correct Answer: 1

Dopamine is secreted by

1. Basal ganglia
2. Hypothalamus
3. Both A and B
4. None

✅ Correct Answer: 3

Seratonin is secreted by following structures

1. Hypothalamus
2. GI tract
3. Retina
4. more than one option is correct

✅ Correct Answer: 4

Serotonin is synthesis from tryptophan by

1. Oxydation and carboxylation
2. Oxydation and dicarboxydation
3. Tryptophan and dicaboxylation
4. Tryptophan and Oxydation

✅ Correct Answer: 3

Large amount of Serotonin is found in

1. Platelets
2. Nervous system
3. GI tract
4. None

✅ Correct Answer: 3

Histamine is secreted by

1. nerve ending of hypothalamus
2. limbic cortex
3. cerebral cortex
4. All

✅ Correct Answer: 4

The full form of GABA ?

1. GAMMA ACETICBUTYRIC ACID
2. GAMMA AMINOBUTYRIC ACID
3. GAMMA AMINOBURIC ACID
4. GAMMA ACETICBURIC ACID

✅ Correct Answer: 2

GABA is secreted by nerve ending of

1. Cerebral cortex
2. Cerebellum
3. Basal ganglia
4. All

✅ Correct Answer: 4

What is IPSP ?

1. Intial postsynaptic potential
2. Intial perasynaptic potential
3. Inhibitory postsynaptic potential
4. None

✅ Correct Answer: 3

Glycine is secreted by

1. Brain stem
2. spinal cord
3. Retina
4. All

✅ Correct Answer: 4

Glutamate is secreted in

1. Cerebral cortex
2. Brainstem
3. Cerebellum
4. All

✅ Correct Answer: 4

Aspartate is secreted in

1. Hypothalamus
2. Retina
3. Cerebellum
4. More than one option is correct

✅ Correct Answer: 4

Nitric Oxide is a neurotransmitter in the

1. PNS
2. CNS
3. both a and b
4. None

✅ Correct Answer: 2

Opiod peptides are of three types

1. Enkephalins
2. Dynorphins
3. Endorphins
4. All

✅ Correct Answer: 4

Opium is a juice of

1. green poppy
2. white poppy
3. red poppy
4. none

✅ Correct Answer: 2

Which is the natural opiate peptides recognized first in pig brain ?

1. Enkephalins
2. Dynorphins
3. Endorphins
4. None

✅ Correct Answer: 1

Enkephalins is of two types called

1. Prodynorphin and Dynorphins
2. Leu enkephalin and metenkephalin
3. Leu enkephalin and Prodynorphin
4. None

✅ Correct Answer: 2

Endorphins are the large peptides derived from the

1. precusor proendorphin
2. precusor prodynorphin
3. precusor preendorphin
4. precusor proendorphin

✅ Correct Answer: 1

Histamine is secreted in

1. Hypothalamus
2. Cerebral cortex
3. GI tract
4. All

✅ Correct Answer: 4

Aspartate is secreted by

1. Cerebellum
2. Hypothalamus
3. Ganglia
4. None

✅ Correct Answer: 1

Nitric oxide is secreted by

1. Retina
2. CNS
3. PNS
4. none

✅ Correct Answer: 2

Site of secretion of Glutamate is

1. Cerebral cortex
2. brain stem
3. cerebellum
4. All

✅ Correct Answer: 4