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life process

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

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

a)

cytoplasm

b)

mitochondria

c)

chloroplast

d)

nucleus

2.

Identify the structure.

a)

Nephron

b)

Alveolar sac

c)

Alimentary canal

d)

None of these

3.

In unicellular organisms like amoeba gaseous exchange takes place through the process of ____________.

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

4.

The cause of muscles cramp

a)

Acetic acid

b)

Lactic acid

c)

Hydrochloric acid

d)

Benzoic acid

5.

The first enzyme toomics with food in the digestive system

a)

Trypsin

b)

Pepsin

c)

Salivary amylase

d)

Pancreatic amylase

6.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
7.

In plants waste products are stored as ------ and --------

a)

water and glucose

b)

glycogen and starch

c)

resins and gums

d)

starch and water

8.

The substance in plants and animals that act as an energy currency.

a)

DNA

b)

RNA

c)

ADP

d)

ATP

9.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

10.
 What is the main function or job of the organ system displayed?
a)
To store food until it is absorbed into the lungs
b)
To convert and breakdown food into nutrients and energy to be absorbed into the circulatory system
c)
To provide the body with structure
d)
TO eliminate liquid waste
11.
What is the name of the "plant food" produced by photosynthesis?
a)
glucose
b)
carbohydrates
c)
chloroplast
d)
lunch
12.

Full form of ATP

a)

Adenosinetriphosphate

b)

Adenosidiphosphate

c)

Adrenalin

d)

Adoxide

13.
Found only in plant cells, this organelle enables the plant to make its own food through the process of photosynthesis.
a)
Cytoplasm
b)
Cell Wall
c)
Chloroplast
d)
Mitochondria
14.
A cell's control center that directs all of the activities that take place in the cell is the
a)
Chromosome
b)
Vacuole
c)
Nucleus
d)
Mitochondria
15.

Which of the following organisms have single circulation?

a)

Fishes

b)

Mammals

c)

Birds

d)

Reptiles

16.

The color of blood plasma is:

a)

Red

b)

Yellowish green

c)

Pink

d)

Pale yellow

17.

Oxygenated blood reaches heart by

a)

Pulmonary artery

b)

Aorta

c)

Vena cava

d)

Pulmonary vein

18.

The only artery which carries deoxygenated blood is:

a)

Pulmonary artery

b)

Renal artery

c)

Hepatic artery

d)

Coronary artery

19.

When Air Is Blown From Mouth Into A Test-Tube Containing Lime Water, The Lime Water Turned Milky Due To The Presence Of

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Water vapour

20.

Which Part Of Alimentary Canal Receives Bile From The Liver?

a)

Stomach

b)

Oesophagus

c)

Large intestine

d)

Small intestine