Cellular Respiration

Q.

During photosynthesis, plants take in _____ and release _____.

Q.

Define the following:
Internal respiration

Q.

Glycolysis process occurs in which part of the cell?

1. Cytoplasm

2. Nucleus

3. Mitochondria

4. Chloroplast

Q.

The breakdown of pyruvate to give carbon dioxide, water and energy take place in:

1. Cytoplasm

2. Mitochondria

3. Chloroplast

4. Nucleus

Q.

What is the main function of glycogen granule?

Q.

Lack of oxygen in muscles often leads to cramps among cricketers. This results due to

1. Conversion of pyruvate to ethanol

2. Conversion of pyruvate to glucose

3. Non-conversion of glucose to pyruvate

4. Conversion of pyruvate to lactic acid

Q.

How does pyruvate enter mitochondria?

Q.

How many mitochondria are in a cell?

Q.

How many protons does it take to make 1 ATP?

Q.

What are cytochromes in the electron transport chain?

Q.

Discuss the light reaction of photosynthesis.

Q.

What raw materials are needed for cellular respiration?

Q.

During heavy exercise, we get cramps in the legs due to the accumulation of

1. carbon dioxide

2. lactic acid

3. alcohol

4. water

Q.

Which of the following is not a product of respiration?

1. Carbon dioxide

2. Water

3. Oxygen

4. ATP

Q. Identify the organelle where cellular respiration takes place.

1. 
2. 
3. 

Q. Statement 1: Glucose is stored in animals in the form of glycogen.

Statement 2: Polysaccharides found in the plant cell wall is starch.

1. Statement 1 is false and statement 2 is true
2. Both the statements are false
3. Both the statements are true
4. Statement 1 is true and statement 2 is false

Q.

Which process produces the most ATP per glucose?

Q.

Question 4
The breakdown of pyruvate to give carbon dioxide, water and energy take place in:

(a) Cytoplasm
(b) Mitochondria
(c) Chloroplast
(d) Nucleus

Q.

Which is the organelle involved in cellular respiration?

1. Nucleus

2. Cell membrane

3. Mitochondria

4. Vacuole

Q.

Glycolysis is common to both aerobic and anaerobic respiration. Give reason.

Q.

Explain exchange of gases and respiration in unicellular organisms [3 MARKS]

Q.

Why is glycolysis referred to as a common pathway for both aerobic and anaerobic respiration?

Q. Glycolysis can occur in the presence or absence of oxygen.

1. False
2. True

Q.

All cells in the body undergo aerobic respiration. However, in the absence of oxygen, some cells such as muscle cells undergo anaerobic respiration.

The breakdown of pyruvate in muscle cells in the absence of oxygen results in the production of which compound?

1. Lactic acid

2. Water

3. Ethanol

4. Carbon dioxide

Q.

In aerobic respiration, the breakdown of pyruvate takes place in the ____i____ of oxygen and occurs in the _____ii_____ of the cell.

The information in which alternative completes the given statement?

1. 

2. 

3. 

4. 

Q.

The common phase between aerobic and anaerobic respiration is called

1. Glycolysis

2. Krebs cycle

3. Tricarboxylic acid cycle

4. None of these

Q.

Which part of a cell releases the most energy?

Q.

How many ATPs are produced by the process of glycolysis?

1. 2

2. 24

3. 36

4. 4

Q.

Statement 1: Glucose breaks down into a 3-carbon compound in the cytoplasm of the cell.

Statement 2: A pyruvate molecule breaks down into 3-molecules of carbon dioxide in mitochondria of the cell.

1. Assertion and Reason both are incorrect

2. Assertion is incorrect and reason is correct

3. Assertion is correct and reason is incorrect

4. Both assertion and reason are correct

Q.

The form of energy used in respiration is chemical energy.

1. True

2. False