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Respiration in organisms

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Anaerobic respiration.....
a)
doesn't require CO2
b)
requires CO2
c)
doesn't require oxygen
d)
requires oxygen
2.
Which organ excretes carbon dioxide?
a)
Lungs
b)
Liver
c)
Heart
d)
Kidney
3.
Name the organ label # 6. 
a)
alveoli 
b)
bronchi 
c)
trachea 
d)
lungs 
4.

Which of the following use spiracles for respiration?

a)

mosquito & cockroach

b)

earthworm & cockroach

c)

fish & grasshopper

d)

only cockroach

5.

Which of the following statements is false?

a)

Earthworms breathe through their moist skin

b)

Cockroach takes in air through tiny air tubes called tracheae which release oxygen into the blood stream

c)

Fish take in oxygen dissolved in water through their gills

d)

The body of cockroach is divided into three parts- abdomen, thorax and head

6.

What do the plants release during the respiration?

a)

Oxygen

b)

O2

c)

Carbon Dioxide

d)

CO2

7.

Root of plant also need oxygen to survive?

a)

True

b)

False

8.

During inhalation diaphragm moves

a)

Down

b)

Left

c)

Right

d)

Up

9.

Where in the body does respiration take place? Select the best answer.

a)

The lungs

b)

The muscles

c)

All cells

d)

The blood

10.
What happens to lime water, when we exhale air into it?
a)
Remains same
b)
Turns blue
c)
Turns milky
d)
Becomes colourless
11.

What is the chemical equation for cellular respiration?

a)

Glucose + Oxygen -> Carbon dioxide + Water + Energy

b)

Oxygen + Carbon dioxide + Energy -> Glucose + Water

c)

Carbon dioxide + Glucose -> Oxygen + Water + Energy

d)

Water + Carbon dioxide + Energy -> Oxygen + Glucose

12.

1

Which organism is decribed in the information given below?

i) Respire anerobically.

ii) Used for bread making

iii) Reproduce by budding

a)

1.

Rhizopus

b)

2.

Yeast.

c)

3.

Bread mould

d)

4.

Potato

13.

4

Respiration is a _________ process while breathing is a __________ process

a)

physical, chemical

b)

chemical, chemical

c)

physical, physical

d)

chemical, physical

14.

Match the column: 1) Pigeon a) lungs 2) Cockroach b) tracheae 3) Earthworm c) skin 4) Fish d)gills

a)

1) Pigeon - a) lungs 2) Cockroach - b) tracheae 3) Earthworm - c) skin 4) Fish - d)gills

b)

1) Pigeon - d) gills 2) Cockroach - a) lungs 3) Earthworm - b) tracheae 4) Fish - c) skin

c)

1) Pigeon - c) skin 2) Cockroach - d) gills 3) Earthworm - a) lungs 4) Fish - b) tracheae

d)

1) Pigeon - a) lungs 2) Cockroach - d) gills 3) Earthworm - b) tracheae 4) Fish - c) skin

15.

Choose the flowchart with the proper order of airflow into the body.

a)

nose->pharynx->larynx->trachea->bronchi-> bronchioles->alveoli

b)

nose->larynx->pharynx->trachea->bronchi-> bronchioles->alveoli

c)

nose->pharynx->larynx->trachea->bronchioles-> bronchi->alveoli

d)

nose->bronchi->pharynx->larynx->trachea->bronchioles->alveoli

16.

Which of the following organisms primarily uses gills for respiration?

a)

Frog

b)

Bird

c)

Human

d)

Fish

17.

What is the primary function of the alveoli in the lungs?

a)

To produce mucus

b)

To regulate temperature

c)

To exchange gases

d)

To filter air

18.

One set of inhalation and exhalation is called ________.

a)

breathing

b)

a breath cycle

c)

the breathing rate

d)

respiration

19.

Which of the following is formed in the human body when oxygen supply is not enough to meet the body's need for extra energy?

a)

lactic acid

b)

fatty acid

c)

carbonic acid

d)

uric acid

20.

What is the chemical formula for glucose?

a)

C6H12O6

b)

C12H6O12

c)

C6O12H6

d)

6CH2O