Cellular Respiration

Q.

Respiration is a/an …………. process.

1. Anabolic

2. Catabolic

3. Metabolic

4. None

Q. The diagram below shows the relationship between photosynthesis, cellular respiration as well as the organelles in which they occur.


Which statement describes how photosynthesis and cellular respiration are interrelated?

1. Oxygen is produced during cellular respiration and stored during photosynthesis
2. Carbon dioxide and water released by cellular respiration are used in photosynthesis
3. Photosynthesis releases the energy that is stored during the process of cellular respiration
4. Glucose is used during cellular respiration to produce food that is broken down during photosynthesis

Q. Substrate level phosphorylation does not occur in which of the following reaction of aerobic respiration?

1. 3-PGA → 2-PGA
2. PEP → Pyruvate
3. 1, 3-BPG → 3-PGA
4. Succinyl CoA → Succinate

Q.

How much ATP is needed for photosynthesis?

Q.

Photorespiration is favoured by

1. Low light and high oxygen

2. Low oxygen and high carbon dioxide

3. Low temperature and high oxygen

4. High oxygen and low carbon dioxide

Q. During glycolysis, if the enzyme pyruvate kinase that converts phosphoenolpyruvate to pyruvate is inhibited, how many direct ATPs are produced per glucose molecule?

1. 1
2. 2
3. 3
4. 4

Q. Which of the following molecules does not take part in electron transfer?

1. CoQ
2. ATP
3. FeS
4. $NA{D}^{+}$

Q. Where do microorganisms get energy from?

1. They do not require energy
2. They perform respiration
3. They absorb energy from their surroundings
4. They depend on other sources of energy

Q. Which of the following processes always results in the formation of ATP?

1. Combustion
2. Respiration
3. Oxidation
4. None of these

Q.

Plants whose requirements for respiration are similar to animals are

1. Algae

2. Fungi

3. Lichens

4. Cyanobacteria

Q. Stored energy of carbohydrates is released during ___ .

1. Photosynthesis
2. Respiration
3. Fat metabolism
4. Photophosphorylation

Q. Does respiration take place in photosynthetic cells?

1. Yes, photosynthetic cells also respire
2. No, photosynthetic cells don’t respire
3. They undergo only anaerobic respiration
4. Respiration in photosynthetic cells is a matter of chance

Q. How many ATP moleucles could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to $C{O}_2$ and $H_{2}O$ yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?

1. Two
2. Thirty
3. One
4. Fifty-seven

Q. How many ATP molecules could maximally be generated from one mole of glucose, if the complete oxidation of one mole of glucose to $C{O}_2$ and $H_{2}O$ yields 686 kcal and the useful chemical energy in a phosphate bond of one mole of ATP is 12 kcal?

1. 1
2. 2
3. 30
4. 57

Q.

In respiration, energy not converted in ATP is:

1. Liberated along with Carbon dioxide

2. Converted into heat

3. Transferred to organic compounds

4. Transferred to water

Q. Where do microorganisms get energy from?

1. They do not require energy
2. They absorb energy from their surroundings
3. They perform respiration
4. They depend on other sources of energy

Q. Which of the following molecules is a product in respiration and substrate in photosynthesis?

1. $O_2$
2. $C{O}_2$
3. $CO$
4. $N_2$

Q. Which of the following processes always results in the formation of ATP?

1. Combustion
2. Respiration
3. Oxidation
4. None of these