Human Body and Reproduction mcq questions and answers for competitive exams

Posted on Jun 9, 2022 10:12 PM - 2 years ago

Human Body and Reproduction mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online

76.

How many days life span of W.B.C in human body?

1-2 days

2-3 days

3-4 days

4-5 days

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77.

The main constituent of hemoglobin is

Iron

Calcium

Chlorine

None of these

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78.

A chromosome is composed of a DNA and

gene

lipids

sugars

proteins

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79.

Motile male gamete or sperm is also known as

ova

zygote

archegonia

antherozoid

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80.

Blood is a -

Muscular tissue

Epithelial tissue

Connective tissue

Reproductive tissue

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81.

When the right ventricle in the human heart contracts, the blood moves to -

Brain

Aorta

Lungs

Pulmonary arteries

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82.

Disease of bone in which there is reduced bone mineral density is known as

arthritis

osteoporosis

Hypophosphatasia

Coffin-Lowry syndrome

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83.

Haemoglobin is -

The colouring matter of Blood

A compound present in Milk

The colouring matter of leaves of plants

A compound that transmits signal to the Brain

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84.

What is the body temperature of a normal man?

21.7◦C

36.9◦C

81.1◦C

98.6◦C

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85.

Typhoid and cholera are typical examples of

Air-borne disease

Infectious diseases

Water-borne disease

None of these

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86.

To correct his/her vision, a person suffering from short-sightedness will have to use -

Bifocal Lens

Convex lens

Concave lens

Convex mirror

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87.

The largest part of the human brain is the

Cerebrum

Cerebellum

Medulla oblongata

None of these

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88.

Arthritis is related with

Eyes

Liver

Bones

Pancreas

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89.

Barium is used for

X-ray of brain

Checking blood group

X-ray of alimentary canal

None of these

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90.

Between mother and fetus placenta facilitates exchange of

oxygen

carbondioxide

waste and nutrients

all of above

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Human Body and Reproduction mcq questions and answers for competitive exams