Active transport involves

(a)

Movement of molecules from lower to higher concentrations

(b)

Expenditure of energy

(c)

It is an uphill task

(d)

All of the above

During transpiration there is loss of

(a)

Carbon dioxide

(b)

Oxygen

(c)

Water

(d)

None of the above

Which of the following process requires energy?

(a)

Active transport

(b)

Diffusion

(c)

Osmosis

(d)

All of them

A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by doctor for transfusion?

(a)

O group

(b)

AB group

(c)

A and B group

(d)

All blood group

The number of______ increases during allergy.

(a)

Basophil

(b)

RBC

(c)

Eosinophil

(d)

Monocyte

The _________are the largest of leucocytes.

(a)

neutrophil

(b)

monocyte

(c)

basophil

(d)

lymphocyte·

The life span of platelets is_________

(a)

3 weeks

(b)

1 month

(c)

2-3 days

(d)

40 days

Absorption of water by modern frames of windows in rainy reason is an example of_________

(a)

diffusion

(b)

osmosis

(c)

imbibition

(d)

ranspiration

___________is the main circulatory medium in the human body.

(a)

Blood

(b)

Water

(c)

Lymph

(d)

Plasma

The other name of red blood corpuscles is _________

(a)

erythrocytes

(b)

leucocytes

(c)

granulocytes

(d)

agranulocytes