Question # 1

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

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Higher

Lower

Remain constant

None

A patient with blood group A can be given the blood of donor who has;

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Blood group A or AB

Blood group A or O

Blood group A only

Blood group O only

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

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Glucose

Sucrose

Starch

Proteins

Which of the following chambers has the thickest walls in human heart?

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Right atrium

Left atrium

Left ventricle

Right ventricle

The death of the heart tissue is called:

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Arterioclerosis

Atherosclerosis

Myocardial infarction

Thalassemia

Which of the following structures are not cells.

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Lymophocytes

Eosinophils

Monocytes

Platelets

When fibrinogen makes blood clot, it separates from blood and the remainder is called:

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Plasma

Lymph

Serum

Puss

When do the atria contract?

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Before diastole

After systole

During diastole

During systole

A cubic millimeter of blood contain about ............. million RBCs.

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5

10

15

20

There is separation of oxygenated and deoxygenated blood in birds and mammals because:

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The ventricles are completely divided

The ventral aorta is divided into aortic and pulmonary trunk.

The aortic arch is divided into two systemic arches.

None of the above

Which of these statements is correct about the circulatory system?

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It transports hormones

Capillaries have thicker walls than veins

Systemic circulation carries blood to and from the lunges

All of the above are true

One complete cardiac cycle takes ......... second .

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0.2 sec

0.5 sec

0.8 sec

0.9 sec

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