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Worksheets

Life Process

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

Name the type of blood vessels,which carry blood from organs to the heart.

a)

artery

b)

veins

c)

capillaries

2.

Which enzyme is present in human saliva?

a)

Salivary tripsin

b)

Salivary amylase

c)

Salivary lipase

3.

Which is the stored form of carbohydrates in plants and animals respectively?

a)

starch and glycogen

b)

starch and glucose

c)

starch and maltose

4.

what are the end products of photosynthesis?

a)

oxygen,carbondioxide and water

b)

oxygen ,glucose and water

c)

oxygen and water

5.

vocal cords occur in:

a)

pharynx

b)

larynx

c)

glottis

d)

bronchial tube

6.

what is the mode of nutrition in fungi?

a)

autotropic

b)

heterotropic

c)

saprophytic

d)

parasitic

7.

How many pairs of salivary glands are found in humans?

a)

4

b)

2

c)

6

d)

3

8.

Blood vessel carry blood from lungs to heart through:

a)

pulmonary artery

b)

pulmonary vein

9.

Which of the following structures is involved in gaseous exchange in woody stem of a plant?

a)

stomata

b)

guard cell

c)

lenticel

d)

epidermis

10.

villi present on the internal wall of intestine help in the

a)

emulsification of fats

b)

breakdown of protein

c)

absorption of digested food

d)

digestion of carbohydrates

11.

correct route of blood flow in a human

a)

Left atrium-->Left Ventricle-->Lungs-->Right Ventricle-->Right Atrium

b)

Left atrium-->Left Ventricle-->Right Ventricle-->Right Atrium ----->Lungs

c)

Right Atrium-->Right Ventricle-->Left Ventricle -->Left atrium-->

Lungs

d)

Right Atrium-->Right Ventricle-->Lungs -->Left atrium-->Left Ventricle

12.

The site of exchange of wastes,nutrients,gases and hormones between the blood and body cell are the :

a)

arteries

b)

arterioles

c)

capillaries

d)

veins

13.

Which one indicates hypertension or high blood pressure

a)

120/80

b)

130/80

c)

110/70

d)

140/90

14.

veins can be differentiated from arteries because the veins:

a)

have valves

b)

have hard walls

c)

have pure blood in them

d)

have thick walls

15.

The breakdown of pyruvate to give carbondioxide ,water and energy takes place in:

a)

cytoplasm

b)

mitochondria

c)

chloroplast

d)

nucleus

16.

Digestion of starch starts from:

a)

stomach

b)

intestine

c)

oesophagus

d)

mouth

17.

Man is (a)   in nutrition.

18.

Blood circulation in human is called (a)   circulation

19.

Largest digestive gland in the human body is (a)  

20.

The structural and functional unit of lungs is (a)  

21.

The (a)   prevents the entry of food into the respiratory tract.