Water which is absorbed by roots is transported to aerial parts of the plant through

(a)

Cortex

(b)

Epidermis

(c)

Phloem

(d)

Xylem

The wall of human heart is made of

(a)

Endocardium

(b)

Epicardium

(c)

Myocardium

(d)

All of the above

Which one of the following shows correct composition of blood?

(a)

Plasma - Blood + Lymphocyte

(b)

Serum - Blood + Fibrinogen

(c)

Lymph - Plasma + RBC + WBC

(d)

Blood - Plasma + RBC + WBC + Platelets

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

__________ involves evaporative loss of water from aerial parts.

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Transpiration

Normal blood pressure is __________.

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 120mm / 80mm Hg

The normal human heartbeat rate is about ____________ time per minute.

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72 - 75

Similar to mammals,_________ also have four chambered heart.

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Aves

The __________ supplies nutrition and oxygen to those parts where blood cannot reach

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lymph

AB blood group

(1)

0.5 % - 1.0%

O blood group

(2)

Inflammation

Neutrophils

(3)

Absence of antigen

Basophils

(4)

Absence of antibody

Name two layered protective covering of human heart.

Why is the colour of the blood red?

Which kind of cells are found in the lymph?

Name the heart valve associated with the major arteries leaving the ventricles.

What is the cardiac cycle?

Define Pulse

What is cohesion?

What is the importance of valves in the heart?

Differentiate between systemic circulation and pulmonary circulation.

List the difference between RBC and WBC.

What is Transpiration? Give the importance of transpiration.