Question # 1

How many pairs of ribs in humans?

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12

24

26

30

The organ of excetory system which makes urine after filtration of blood:

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glands

liver

lungs

kidney

In retina the photosensitive cells are:

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rods

cones

neurons

both A and B

The sensitive layer of eye is:

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sclera

choroid

retina

iris

Expired drugs can cause damage to:

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Heard

Brain

Kidney

Stomach

The biggest bone of our body is found in ____________

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Thigh

Hand

Leg

Waist

This is not a part of hindbrain:

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Celebelium

Cerebrum

Medulla oblangata

Pons

The loss of water in the form drops from tips of leaf is called.

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Evaporation

Transpiration

Guttation

Excretion

The unit of excetory system is

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nephron

neuron

alveolus

loop of Henle

What is true about vaccines?

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protect against the future viral and bacterial infections

Treat the existing bacterial infections only

Treat existing infections and also protect against infections

Protect against viral infection only

Horizontal underground stems with scale leaves are called:

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stem tubers

rhizomes

corms

bulbs

___________ Lobe of fore brain contains sensory areas that receives impulses from skin:

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Parietal

Frontal

Occipital

Teporal

250 years age, the population of world was approximately ------------ million.

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400

500

600

700

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