Question # 1

During rain the rate of transpiration is ............. .

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Minimum

Maximum

Both

None

Normal rate of heart beat in a healthy human being is ......... beats per minute.

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72

73

70

75

Plasma contains .................. % water.

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10%

7%

90%

2%

Pulmonary veins originate from .............. .

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Liver

Lungs

Kidney

Intestine

Capillaries are ............ micrometer in diameter.

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7-8 micrometer

8-10 micrometer

8-14 micrometer

7-10 micrometer

Which of the following is a type of leukocyte?

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Macrophage

Eosinophil

Monocyte

All of the above

Blood circulation in humans being was first described by Muslim Anatomist ............... .

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William Harvey

Ibn-al-Nafees

Bu Ali Seena

Ibn Al Haitehm

Plants form beneficial relationships with soil bacteria fungi in order to:

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Avoid diseases

Absorption of minerals

Transpire more water

All of these

The grater the no. of stomata on leaf , the ............. would be transpiration.

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Higher

Lower

Remain constant

None

In most plants, the food is transported in the form of:

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Glucose

Sucrose

Starch

Proteins

Green leaves in which glucose is prepared called .......... .

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Source of assimilates

Sink of assimilates

Both

None

Which of the following contains deoxygenated blood in an adult human?

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Left atrium

Pulmonary artery

Pulmonary vein

All of the above

Which of the following tissue layer us found in all blood vessels?

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Smooth muscle

Endothelium

Skeletal muscle

Connective tissue

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