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respiration

Total questions: 75

Worksheet time: 46mins

Name
Class
Date
1.

which is the correct sequence of air passage during exhalation?

a)

Alveoli → Trachea → pharynx → larynx → nostrils

b)

Alveoli → larynx → pharynx → trachea → nasal passage

c)

lungs → pharynx → nostrils → larynx

d)

Alveoli → Trachea → larynx → pharynx → nostrils

2.

The tiny air sacs present in human lungs is called

a)

Alveoli

b)

Bronchus

c)

Bronchioles

d)

All of the above

3.

Which of the following are parts of the human respiratory system?

a)

Trachea

b)

Diaphragm

c)

lungs

d)

All of the above

4.

Which of the following gas is released out during the process of respiration?

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

None of the above

5.

respiration which do not require oxygen

a)

aerobic respiration

b)

Anaerobic respration

c)

breathing

d)

running

6.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
7.
Where in the cell does anaerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
8.

Which of the following processes transport oxygen from the alveoli into the capillaries?

a)

Respiration

b)

Inhalation

c)

Exhalation

d)

Diffusion

9.

State the products of respiration in the body cells?

a)

Oxygen, carbon dioxide and water

b)

glucose, oxygen and water

c)

carbon dioxide, water and oxygen

d)

carbon dioxide, water and energy

10.
This organelle is the _____________.
a)
chloroplast
b)
Golgi bodies
c)
nucleus
d)
mitochondria
11.
The burning or breaking down of glucose is known as...
a)
photosynthesis
b)
transpiration
c)
respiration
d)
transport
12.

Name this process

a)

respiration

b)

photosynthesis

c)

gaseous exchange

13.

Cellular respiration takes place in the cells of all organisms.

a)

false

b)

true

14.
What happens to your breathing rate when you exercise?
a)
It increases
b)
It decreases
c)
It stays the same
15.

exchange of gases

a)

bronchus

b)

alveoli

c)

larynx

d)

pharynx

16.

2 tubes entering the lungs

a)

pharynx

b)

larynx

c)

bronchus

d)

bronchioles

17.

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

a)

The lungs

b)

The muscles

c)

All cells

d)

The blood

18.

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

19.
What pigment in the leaf captures energy from the sun?
a)
carbon
b)
chlorophyll
c)
air
d)
chloroplast
20.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
21.

The process of breaking down of food in the cell with release of energy is called

a)

Digestion

b)

Cellular respiration

c)

Circulation

d)

Excretion

22.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
23.

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

a)

The lungs

b)

The muscles

c)

All cells

d)

The blood

24.

Fishes take in water through the__a_____ and force it past the __b_____where the dissolved oxygen is taken up by the blood.

a)

a- gills, b- mouth

b)

a- mouth, b- gills

c)

a- gills, b- gills

25.

Plants exchange gases through_____

a)

Stomata

b)

Guard cells

c)

Epidermal cells

26.

_________is the energy currency for cellular processes.

a)

Glucose

b)

ATP

c)

Starch

27.

In muscles Pyruvate in the absence of oxygen, breaks down to form ________and energy

a)

Acetic acid

b)

Lactic acid

c)

Pyruvic acid

28.

Breaking down of pyruvate using oxygen takes place in _____

a)

Mitochondria

b)

cytoplasm

c)

Muscles

29.

Conversion of pyruvate into ethanol and carbon dioxide in yeast takes place during ________

a)

aerobic respiration

b)

breathing

c)

fermentation

30.

The first step in the process of respiration is the breakdown of glucose into a three carbon molecule called ________

a)

Lipids

b)

starch

c)

Pyruvate

31.

identify the respiratory organ

(a)  

32.

structural and functional unit of respiration

a)

lungs

b)

alveoili

c)

trachea

d)

nose

33.

what is the function of trachea

a)

Transport air

b)

Gaseous exchange

c)

Regulates temperature of air coming to lungs

d)

It is windpipe

34.

what happens in the process of respiration ?

a)

Gaseous exchange

b)

Oxygen Becomes CO2

c)

Glucose is broken down into energy.

d)

Nothing happens

35.

What is the basic function of alveoli?

a)

Increasing area of the lungs

b)

Gaseous exchange

c)

Turning oxygen into carbon diaoxide

d)

No specific function

36.

What for of energy is produced as a result of cellular respiration?

a)

sunlight

b)

ATP

c)

glucose

d)

lipids

37.

In what part of the cell is glucose initially broken down to form pyruvic acid?

a)

the nucleus

b)

the cytoplasm

c)

the mitochondria

d)

the plasma membrane

38.

What is the main source of energy for photosynthesis?

a)

sunlight

b)

carbon dioxide

c)

water

d)

glucose

39.

Which of the following are products of photosynthesis?

a)

water (H2O) and glucose (C6H12O6)

b)

glucose (C6H12O6) and carbon dioxide (CO2)

c)

carbon dioxide (CO2) and water (H2O)

d)

oxygen (O2) and glucose (C6H12O6)

40.

Which of the following are reactants of photosynthesis?

a)

water (H2O) and glucose (C6H12O6)

b)

glucose (C6H12O6) and carbon dioxide (CO2)

c)

carbon dioxide (CO2) and water (H2O)

d)

oxygen (O2) and water (H2O)

41.

Which of the following are products of photosynthesis?

a)

water (H2O) and glucose (C6H12O6)

b)

glucose (C6H12O6) and carbon dioxide (CO2)

c)

carbon dioxide (CO2) and water (H2O)

d)

oxygen (O2) and glucose (C6H12O6)

42.

what is shown in the image

a)

Lungs

b)

Bronchioles

c)

Alveoli

d)

Ballons

43.

C6H12O6 is the chemical formula for

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

Glucose

44.

O2 is the chemical formula for

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Water

45.

Which of the following is a reactant of cellular respiration

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

ATP

46.

Where in a cell does aerobic respiration take place?

a)

Cytoplasm

b)

Ribosomes

c)

Mitochondria

d)

Nucleus

e)

Chloroplasts

47.

What is the purpose of this chemical reaction in a cell:

ATP ----------> ADP + P

a)

To release energy immediately

b)

To produce energy immediately

c)

To pay back oxygen debt

d)

To break down lactic acid

48.

The energy released in respiration is stored by creating which molecule?

a)

Glucose

b)

Lactic Acid

c)

ATP

d)

ADP

49.

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

a)

The lungs

b)

The muscles

c)

All cells

d)

The blood

50.

What is the equation for aerobic respiration?

a)

C6H12O6 + 6O2 --> 6CO2 + 6H2O

b)

C6H12O6 + O2 --> CO2 + H2O

c)

C6H12O6 + 6O2 --> CO2 + 6H2O

d)

6C6H12O6 + 6O2 --> 6CO2 + 6H2O

51.

What is the chemical formula for glucose?

a)

C6H12O6

b)

C12H6O12

c)

C6O12H6

d)

6CH2O

52.
The burning or breaking down of glucose is known as...
a)
photosynthesis
b)
transpiration
c)
respiration
d)
transport
53.
This organelle is the _____________.
a)
chloroplast
b)
Golgi bodies
c)
nucleus
d)
mitochondria
54.

What is the name of the compound found in the red blood cells

a)

Oxyhaemoglobin

b)

Haemoglobin

c)

Hormones

d)

Enzymes

55.

State the products of respiration in the body cells?

a)

Oxygen, carbon dioxide and water

b)

glucose, oxygen and water

c)

carbon dioxide, water and oxygen

d)

carbon dioxide, water and energy

56.
a)

A

b)

B

c)

C

d)

D

57.

which of the following is a 2-carbon molecule?

a)

Pyruvate

b)

Lactic acid

c)

glucose

d)

ethanol

58.

a)

A

b)

B

c)

C

d)

D

59.
a)

option A

b)

option B

c)

option C

d)

option D

60.

Which of the following gas is released out during the process of respiration?

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

None of the above

61.

Which of the following are parts of the human respiratory system?

a)

Trachea

b)

Diaphragm

c)

lungs

d)

All of the above

62.

Which of the following statements is true about the entry of air into the lungs

a)

Air enters the body and travels to the lungs through the mouth and the nose

b)

Air enters the body and travels to the lungs through the oesophagus and gullet

c)

Air enters the body and travels to the lungs through the windpipe and the pores

d)

Air enters the body and travels to the lungs through the nose and the nervous system.

63.

The normal breathing process is controlled by

a)

Lungs

b)

Ventral respiratory group

c)

Dorsal respiratory group

d)

Both (b) and (c)

64.

The total number of alveoli present in the human lungs is estimated to be around

a)

1 billion

b)

800 million

c)

500 million

d)

1500 million

65.

The tiny air sacs present in human lungs is called

a)

Alveoli

b)

Bronchus

c)

Bronchioles

d)

All of the above

66.

Which one of the following is correct regarding larynx?

a)

It houses the vocal cords

b)

Present in male and female

c)

Called Adams apple

d)

All of the above.

67.

which is the correct sequence of air passage during exhalation?

a)

Alveoli → Trachea → pharynx → larynx → nostrils

b)

Alveoli → larynx → pharynx → trachea → nasal passage

c)

lungs → pharynx → nostrils → larynx

d)

Alveoli → Trachea → larynx → pharynx → nostrils

68.

Which of the following processes transport oxygen from the alveoli into the capillaries?

a)

Respiration

b)

Inhalation

c)

Exhalation

d)

Diffusion

69.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
70.
What is required to carry out fermentation or anaerobic respiration?
a)
glucose
b)
the absence of oxygen
c)
glucose and the abscense of oxygen
71.
Where in the cell does anaerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
72.
What type of respiration requires oxygen?
a)
Aerobic
b)
Anaerobic
73.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
74.

respiration which do not require oxygen

a)

aerobic respiration

b)

Anaerobic respration

c)

breathing

d)

running

75.

In Earthworms, the process of respiration is through

a)

Pores on its anterior end

b)

Head

c)

Lungs

d)

Skin

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