NEET Biology MCQS Mock Test Paper 39 | CS Executive Tax Laws MCQs Set-8 | Learn & Give Online MCQS Test ,MCQs: multiple choice questions and answers,Mock Tests and Practice Papers

CS Executive Tax Laws MCQs Set-8/NEET Biology MCQS Mock Test Paper 39 Sample Test,Sample questions

Question:

A single molecule of glucose generates _________ molecules of acetyl CoA, which enters the Krebs cycle.

1.4

2.3

3.2

4.1

Question:

Acetyl CoA is formed from pyruvate by__________ reaction

1.Dehydration

2.Â Reduction

3.Â Oxidative decarboxylation

4.Dephosphorylation

Question:

Acetylcholine is a neurotransmitter enabling communication between muscles and nerves. In case of an interruption in the interaction between acetylcholine and acetylcholine receptor sites on the muscles, this condition can occur in _______.

1.Botulism

2.Myasthenia gravis

3.Multiple sclerosis

4.Â Both A and B

Question:

ATP synthesis is powered by

1.Â Coenzyme motive force

2.Â cAMP

3.proton gradient

4.GTP hydrolysis

Question:

Â In the angiosperms, the endosperm is formed

1.before fertilization

2.after fertilization

3.along with fertilization

4.None of the above

Question:

Â The typhlosole in earthworm is related to

1.respiration

2.excretion

3.absorption

4.reproduction

Question:

Chloragogen cells are found in

1.Blood of earthworm

2.The coelomic fluid of the earthworm

3.Blood of cockroach

4.The body wall of leucosolenia

Question:

Colour of the body in earthworms is due to the presence of

1.Haemoglobin

2.Blood

3.Porphyrin

4.Haemocyanin

Question:

Dopamine,Â serotonin and noradrenaline are collectively called _______.

1.Â Amines

2.Hallucinogens

3.Anxiolytics

4.Neurotransmitters

Question:

FAD is reduced in which of the reaction of the Krebâ€™s cycle?

1.Â Isocitrate to oxaloacetate

2.Succinyl CoA to Succinate

3.Â Fumarate to malate

4.Â Succinate to fumarate

Question:

If the cellÂ stimulation is strong, then the strength of the action potential produced would be ______.

1.Â Weaker thanÂ the produced by weak stimulation

2.Stronger than the produced by weak stimulation

3.Â Double then the produced by the weak stimulation

4.Â No different to the produced by weak stimulation

Question:

In earthworm, the mouth is located on

1.Stomium

2.Peristomium

3.Prostomium

4.Protostomium

Question:

ï»¿Which of the tissue culture will form a triploid plant

1.Â endosperm

2.pollen

3.megaspore

4.ovule

Question:

Krebs cycle occurs in aerobic respiration due to

1.Electron transport chain requires aerobic conditions to operate

2.Oxygen is a reactant

3.Oxygen has a catalytic function

4.All of the above

Question:

Product of Krebs cycle essential for oxidative phosphorylation is _______

1.NADPH and ATP

2.Acetyl CoA

3.CO2Â and oxaloacetate

4.NADH and FADH2

Question:

Region of earthworm that is a forest of nephridia is

1.Pharyngeal region

2.Clitellar region

3.Typhlosolar region

4.Intestinal region

Question:

The cavity of the diencephalon is known as _______.

1.First ventricle

2.Third ventricle

3.Second ventricle

4.Fourth ventricle

Question:

The earthworm is placed under the group

1.Polychaeta

2.Hirudinea

3.Oligochaeta

4.Crustacea

Question:

The entry of pyruvate into the TCA cycle is inhibited by the presence of a high cellular concentration of

1.Pyruvate

2.NADH

3.Coenzyme A

4.AMP

Question:

The excess amount of produced neurotransmitters by presynaptic neurons is __________.

1.Â Taken up by postsynaptic neurons

2.RecycledÂ back into the presynaptic neuron

3.Removed and taken around the rest of the body

4.Eliminated by substances contained within the cell body

Question:

The mode of communication between the neurons by sending electrical impulses known as _______.

1.Membrane potentials

2.Neuromodulators

3.Â Neurotransmitters

4.Â Action potentials

Question:

The most effective organ for food digestion in earthworm is

1.Â Mouth

2.Buccal cavity

3.Pharynx

4.Stomach

Question:

The parasite found in the seminal vesicle of earthworms are

1.Nosema

2.Â Sarcocystis

3.Monocystis

4.Nyctotherus

Question:

The typhlosole found in Pheretima occurs in

1.Stomach

2.Intestine

3.Oesophagus

4.Gizzard

Question:

This animal does not show any metamorphosis of larval stage

1.Asteria

2.Musca domestica

3.Pheretima Posthuma

4.Butterfly

Question:

Which of the following disorder causes dopamine neurons to die?

1.Seizure disorder

2.Multiple sclerosis

3.Parkinsonâ€™s disease

4.Â Lou Gehrigâ€™s disease

Question:

Which of the following is a genetic disorder that induces neurons in the brain to drain away and die?

1.Â Poliomyelitis

2.Encephalitis

3.Â Multiple sclerosis

4.Huntingtonâ€™s disease

Question:

Which of the following is called the common neurotransmitter?

1.Acetylcholine

2.Dopamine

3.Serotonin

4.All of the above

Question:

Which of the following is not formed during the Krebs cycle?

1.Lactate

2.Isocitrate

3.Succinate

4.Both (a) and (b)

Question:

Which of the following isÂ the cause for transmission of nerve impulse through nerve fibre in a single direction?

1.Neurotransmitters released by dendrites.

2.Â Neurotransmitters released by axon endings.

3.Nerve fibre is insulated by a medullary sheath

4.Â None of the above.

Question:

Which of the intermediate of the Krebâ€™s cycle is utilised in the formation of amino acids?

1.Â Citric acid

2.Malic acid

3.Isocitric acid

4.ð›¼-ketoglutaric acid

Question:

________ accepts hydrogen from malate

1.FAD

2.NAD

3.NADP

4.FMN

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CS Executive Tax Laws MCQs Set-8/NEET Biology MCQS Mock Test Paper 39 Sample Test,Sample questions

Question:
A single molecule of glucose generates _________ molecules of acetyl CoA, which enters the Krebs cycle.

Question:
Acetyl CoA is formed from pyruvate by__________ reaction

Question:
Acetylcholine is a neurotransmitter enabling communication between muscles and nerves. In case of an interruption in the interaction between acetylcholine and acetylcholine receptor sites on the muscles, this condition can occur in _______.

Question:
ATP synthesis is powered by

Question:
Â In the angiosperms, the endosperm is formed

Question:
Â The typhlosole in earthworm is related to

Question:
Chloragogen cells are found in

Question:
Colour of the body in earthworms is due to the presence of

Question:
Dopamine,Â serotonin and noradrenaline are collectively called _______.

Question:
FAD is reduced in which of the reaction of the Krebâ€™s cycle?

Question:
If the cellÂ stimulation is strong, then the strength of the action potential produced would be ______.

Question:
In earthworm, the mouth is located on

Question:
ï»¿Which of the tissue culture will form a triploid plant

Question:
Krebs cycle occurs in aerobic respiration due to

Question:
Product of Krebs cycle essential for oxidative phosphorylation is _______

Question:
Region of earthworm that is a forest of nephridia is

Question:
The cavity of the diencephalon is known as _______.

Question:
The earthworm is placed under the group

Question:
The entry of pyruvate into the TCA cycle is inhibited by the presence of a high cellular concentration of

Question:
The excess amount of produced neurotransmitters by presynaptic neurons is __________.

Question:
The mode of communication between the neurons by sending electrical impulses known as _______.

Question:
The most effective organ for food digestion in earthworm is

Question:
The parasite found in the seminal vesicle of earthworms are

Question:
The typhlosole found in Pheretima occurs in

Question:
This animal does not show any metamorphosis of larval stage

Question:
Which of the following disorder causes dopamine neurons to die?

Question:
Which of the following is a genetic disorder that induces neurons in the brain to drain away and die?

Question:
Which of the following is called the common neurotransmitter?

Question:
Which of the following is not formed during the Krebs cycle?

Question:
Which of the following isÂ the cause for transmission of nerve impulse through nerve fibre in a single direction?

Question:
Which of the intermediate of the Krebâ€™s cycle is utilised in the formation of amino acids?

Question:
________ accepts hydrogen from malate

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