Question # 1

Adaptions found in plants to keep the balance of carbon dioxide and oxygen are:

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photosynthesis

stomata

transpiration

all to these

Urine contains the least amount of.

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Urea

Sodium Ions

Water

Potassium Ion

During lithotripsy stone is removed by.

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Surgery

Medicines

Electrical Shock waves

Non-Electrical shock waves

Body balance of water, salts, temperature and glucose is termed as:

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Excretion

Tubular

Homeostasis

Re-absorption

The waste products secreted by kidneys contains.

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Urea, water and salts

Salts, water and carbon dioxide

Urea and water

Urea and salts

The example muciliage excreting plant is:

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keekar

rubber

conifers

lady finger

The chemical composition of glomerulus filtrate is:

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Water + salts + glucose + urea

salts + glucose + blood cells

blood cells + proteins + water

glucose + urea + proteins + water

the depression near the centre of concave area of kidney is called.

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Cortex

Hilus

Medulla

Pyramids

Normal pH of blood is maintained at.

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7.35 -7.40

7.35-7.45

7.30-7.40

7.30-7.45

In an adult man the average urine formation in a day is.

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4 litre

1.3 litre

1.4 litre

3 litre

Ribs which protect the kidneys are.

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First two

Last two

Middle

Last four

During peritoneal dialysis, the waste materials move from:

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The abdomen to the dialysis fluid

The dialysis fluid to the peritoneum blood vessels.

The peritoneum blood vessels to the dialysis fluid

The dialysis fluid to the abdomen.

The unit of excetory system is

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nephron

neuron

alveolus

loop of Henle

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