Question # 1

The process in which inherited material transfer from generation to next generation:

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Reproduction

Respiration

Reduction

Circulation

Bone forms:

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Musous

Hormones

Oxygen

Blood cells

When Sir Alexander Fleming was awarded by Nobel prize on the discovery of penicillin?

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1881

1955

1945

1912

The primary chemical stimulus for breathing is the concentration of.

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Carbon dioxide in blood.

Oxygen in blood

Carbon oxide in muscles

Oxygen in muscles.

These are horizontal underground stems:

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Tubers

Rhizomes

Suckers

None

The length of trachia is __________ cm approximately:

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10

12

14

16

Cartilage is made up of:

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Matrix

Collagen

Chondrocytes

Ligaments

Presents on the top of medulla is:

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Cerebelium

Pons

Spinal cord

Cerebrum

The glottis is guarded by a flap of tissue called:

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Trachia

Glottis

Bronchi

Epiglottis

The hard outer layer of a bone is called;

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Bone marrow

Hyoid bone

Spongy bone

Compact bone

What waste products are excreted by kidneys?

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Urea, water & salts

Salts, water and carbon dioxide

Urea & Water

Urea & salts.

The sensitive layer of eye is:

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sclera

choroid

retina

iris

The bands of connective tissue which prevent dislocation of bones at joints are:

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ligaments

tendons

cartilage

muscles

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