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Respiration in Living Organisms

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the primary function of respiration in living organisms?

a)

To produce glucose from sunlight

b)

To absorb water and release oxygen

c)

Obtain energy from oxygen and release carbon dioxide

d)

To regulate body temperature

2.

Name the two types of respiration.

a)

Cellular respiration and transpiration

b)

Photosynthesis and fermentation

c)

Aerobic respiration and anaerobic respiration

d)

Inhalation and exhalation

3.

Where does the process of respiration take place in a cell?

a)

Cell membrane

b)

Endoplasmic reticulum

c)

Nucleus

d)

Mitochondria

4.

What is the chemical equation for aerobic respiration?

a)

2H2O + 2NADH + 6O2 → 6H2O + 2NAD+ + 4H+ + 3ATP

b)

C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy

c)

C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

d)

C6H12O6 + 6O2 → 6CO2 + 6H2O + Heat

5.

Explain the difference between aerobic and anaerobic respiration.

a)

Aerobic respiration produces less energy than anaerobic respiration

b)

Anaerobic respiration requires oxygen to produce energy

c)

Aerobic respiration requires oxygen to produce energy, while anaerobic respiration does not require oxygen and produces less energy.

d)

Aerobic respiration requires less energy than anaerobic respiration

6.

What is the role of oxygen in respiration?

a)

Oxygen is used to break down glucose and produce energy in the form of ATP.

b)

Oxygen is used to produce carbon dioxide

c)

Oxygen is used to produce sunlight

d)

Oxygen is used to produce water

7.

How is energy released during the process of respiration?

a)

By absorbing sunlight directly

b)

By converting water into glucose

c)

By breaking down glucose in the presence of oxygen

d)

By breaking down fats in the absence of oxygen

8.

What are the waste products of respiration?

a)

sodium and potassium

b)

carbon dioxide and water

c)

oxygen and glucose

d)

nitrogen and methane

9.

Explain the concept of cellular respiration.

a)

The process by which cells break down glucose to produce energy

b)

The process by which cells break down oxygen to produce energy

c)

The process by which cells break down carbon dioxide to produce energy

d)

The process by which cells break down water to produce energy

10.

How does respiration contribute to the survival of living organisms?

a)

It causes fatigue and reduces the ability to survive

b)

It depletes the oxygen levels in the body, leading to suffocation

c)

It has no impact on the survival of living organisms

d)

It provides the necessary energy for survival by producing ATP.