Question # 1

When stomatal opening reduce in sixe, the rate of transpiration ............... .

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Transpiration

Transcription

Translation

Allof above

PH of human blood is ......................... .

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7.1

7.2

7.3

7.4

Blood is composed of ................. parts.

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One

Two

Three

fOUR

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

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Plasma

Lymph

Serum

Puss

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

Which of the following structures are not cells.

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Lymophocytes

Eosinophils

Monocytes

Platelets

Which of the followings in not true about the opening and Closing of Stomata?

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Light helps in the opening and closing of stomata

K⁺ ions are responsible for the opening and closing of stomata

The osmosis of water is responsible for the opening and closing of stomata

None for these

The death of the heart tissue is called:

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Arterioclerosis

Atherosclerosis

Myocardial infarction

Thalassemia

Stomata close when the guard cells;

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Lose water

Gain chloride ions

Became turgid

Gain potassium ions

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

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Liver

Lungs

Kidney

Intestine

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

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Glucose

Sucrose

Starch

Proteins

Which of the following proteins is not present in the plasma of the blood?

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Immunoglobulin or antibodies

Prothrombin

Haemoglobin

Fibrenogen

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