Question # 1

Which of the following is a function of human blood?

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It regulates body temperature

It transports wastes

It provides defence

All of the above

ABO blood group system was discovered by:

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T.H Morgan

Hans krebs

Winhelm kuhne

Karl landsteiner

In the embryonic and foetal life RBCs are produced in:

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Liver

Ribs

Spleen

Liver and spleen

A cubic milimeter blood of male contains RBC:

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5 - 5.5 million

4-4.5 million

3-4 million

None of the above

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

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Liver

Lungs

Kidney

Intestine

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 ions are involved in opening and closing of stomata?

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Potassium ions

Chloride ions

Sodium ions

Iodide ions

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

When do the atria contract?

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Before diastole

After systole

During diastole

During systole

Which of the following structures are not cells.

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Lymophocytes

Eosinophils

Monocytes

Platelets

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

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7-8 micrometer

8-10 micrometer

8-14 micrometer

7-10 micrometer

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