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Quiz-9 class7

Total questions: 20

Worksheet time: 9mins

Name
Class
Date
1.

How many blood vessel types do humans have?

a)

4

b)

5

c)

3

d)

2

2.

Human blood vessels are

a)

artries, capillaries, and atria

b)

ventricles, atria and pulmonary veins

c)

capillaries, artries, and veins

d)

veins, artries, and aorta

3.

The thickest and strongest blood vessel is the

a)

vein

b)

artery

c)

capillary

d)

both veins and capillaries

4.

Valves in veins

a)

support them

b)

protect them

c)

prevent the backward movement inside them

d)

provide them elesticity

5.

Which blood cells carry oxygen throughout the body?

a)

Red

b)

White

c)

Plasma

d)

Platelets

6.

Which blood cells that help you stop bleeding if you get a cut?

a)

Red

b)

White

c)

Plasma

d)

Platelets

7.

What is the yellowish liquid that carries nutrients and proteins through the body?

a)

Red

b)

White

c)

Plasma

d)

Platelets

8.

What is the function of white blood cells?

a)

carry oxygen

b)

fight infection

c)

carry nutrients

d)

clot blood

9.
The lack of sufficient red blood cells in the blood system is called
a)
cyanosis
b)
anemia
c)
hemochromatosis
d)
hypoxia
10.
Separates the chambers of the heart.
a)
mitral valve
b)
septum
c)
aortic valve
11.

Deoxygenated blood enters the right atrium from the top of the heart through

a)

inferior vena cava

b)

superior vena cava

c)

aorta

12.
Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.
a)
aorta
b)
pulmonary artery
c)
inferior vena cava
13.

Your heart is an involuntary muscle that is always working.

a)

True

b)

False

14.

Your heart always pumps at the same rate.

a)

True

b)

False

15.
Which organ of the excretory system stores urine until the body is ready to eliminate it?
a)
ureters
b)
urethra
c)
urinary bladder
d)
urea
16.
The process of removal of the body’s wastes is called
a)
gas exchange.
b)
respiration.
c)
excretion.
d)
filtration.
17.

What are the main functions of blood?

a)

Transport

b)

Protection

c)

Regulation

d)

All the above

18.

Red Blood Cells are also known as........

a)

Erythrocytes

b)

Platelets

c)

Leukocytes

d)

None of the above

19.

Plague is caused by which bacteria?

a)

Clostridium

b)

Mycobacteria

c)

Yersinia Pestis

d)

None of the above

20.

What is the current Price Of Petrol in Tamil Nadu?

a)

Rs 93.068 Per Litre

b)

Rs.80 per litre

c)

Rs.70 per litre

d)

Rs. 50 per litre