Need for Respiration

Q.

What type of respiration takes place in humans?

Q. In what form energy is liberated during respiration?

1. Heat energy and chemical energy in the form of ADP
2. Heat energy and chemical energy in the form of ATP
3. Mechanical energy
4. Chemical energy in the form of ADP

Q.

Cellular respiration is the process by which cells generate energy molecules.

Which of the following is not formed during cellular respiration?

1. Oxygen

2. Water

3. Carbon dioxide

4. ATP

Q. Give the significance of respiration.

Q.

Select the odd one out. Give reason for your choice:

1. Ammonia

2. Glucose

3. Carbon dioxide

4. Lungs

Q.

No respiration is possible in humans without a supply of oxygen.

1. True

2. False

Q.

Statement 1: Instead of glucose, other forms of sugar like fructose or galactose can also be used to obtain energy during respiration.

Statement 2: Fructose and galactose have the same chemical formula of C6H12O6 as that of glucose.

1. Both statements are true. Statement 2 is the correct explanation of Statement 1.

2. Both statements are true. But Statement 2 is not the correct explanation of Statement 1.

3. Statement 1 is true. Statement 2 is false.

4. Statement 1 is false. Statement 2 is true.

Q.

Which of the following is not a product of respiration?

1. ATP

2. Water

3. Carbon dioxide

4. Oxygen

Q.

What are the respiratory substrates? Give two examples.

Q.

Cellular respiration refers to:

1. breakdown of sucrose using oxygen molecules to produce ATP and carbon dioxide
2. breakdown of glucose using oxygen molecules to produce ADP and carbon dioxide
3. breakdown of glucose using oxygen molecules to produce ATP and carbon dioxide
4. None of these

Q. In what form energy is liberated during respiration?

1. Heat energy and chemical energy in the form of ADP
2. Heat energy and chemical energy in the form of ATP
3. Mechanical energy
4. Chemical energy in the form of ADP

Q.

During exercise, the heart rate increases due to:

Q.

Which of the following life processes does respiration works mostly in sync with?

1. Digestive System

2. Excretion System

3. Circulatory System

4. It can work independently.

Q.

Classify the following as either the reactants or the products​ of aerobic respiration: [1 mark]

Q. Assertion :Blood sugar levels falls rapidly after hepatectomy. Reason: The glycogen of the liver is the principal source of blood sugar.

1. Both assertion and reason are correct and reason is the correct explanation for assertion.
2. Both assertion and reason are correct but reason is not the correct explanation for assertion.
3. Assertion is correct but reason is incorrect.
4. Both assertion and reason are incorrect

Q.

What is the important character of all living organisms?

1. All of these

2. Movement

3. Locomotion

4. Respiration

Q. Identify the organism that requires highest amount of energy.

1. 
2. 
3. 
4. 

Q. Do cells of alveoli or lungs also require s oxygen to carry out cellular respiration?

Q.

what is the end product of respiration

Q. ....... circulation is related with lungs.

1. Coronary
2. Biliary
3. Pulmonary
4. Renal

Q. Energy requirement in animals is lesser than that in plants.

1. False
2. True

Q. The form of energy used in respiration is energy.

1. solar
2. chemical
3. mechanical

Q. The rate of breathing is lowest when we are

1. Eating.
2. Sleeping.
3. Playing.
4. Running.

Q. Birds require more energy than frogs. Justify the statement.

Q. Select the wrong statement(s) about respiration.
a) It consists of breathing, oxidation of food and energy storage in the form of ATP.
b) Cytoplasm and mitochondria are necessary for the completion of aerobic respiration.
c) Complete oxidation of food into ethanol or lactic acids, $C{O}_2$ and few molecules of ATP are seen in anaerobic respiration.
d) In the older portions of woody plants, the gaseous exchange takes place through stomatal apertures.
Statements that are entirely wrong are

1. b) and c)
2. c) and d)
3. a) and b)
4. a) and d)

Q. Birds require more energy than frogs. Justify the statement.