Cellular Respiration

Q.

Which organelle is responsible for the production of energy in a cell?

Q. How many ATPs are produced in Glycolysis?

1. 2
2. 24
3. 36
4. 0

Q.

The breakdown of glucose, a six-carbon molecule into a three-carbon molecule called M takes place in the N. The break up of three-carbon M molecule to give three molecules of O takes place in the P.Identify M, N, O and P.

Q.

Where does glycolysis take place in the living cell?

Q.

Is cellular respiration affected by light?

Q.

How many ATP are produced in aerobic glycolysis?

Q.

When oxygen is absent the end product of glycolysis is converted to?

Q. (b) What are the different modes of nutrition? Explain with one example of each mode of nutrition.

Q.

Question 80
Explain the three pathways of the breakdown in living organisms.

Q. Conversion of phosphoenol pyruvic acid to pyruvic acid and ADP to ATP are examples of _______.

1. Photophosphorylation
2. Substrate level phosphorylation
3. Oxidative phosphorylation
4. Photoelectric phosphorylation

Q. What are the total number of ATP molecules generated at the end of every respiration cycle in each cell?

1. 36
2. 46
3. 38
4. 32

Q.

Assertion: Mitochondria is called the powerhouse of the cell.

Reason: ATP is produced in mitochondria.

1. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

2. If both Assertion and Reason are true, but Reason is not correct explanation of the Assertion.

3. If Assertion is true but Reason is false.

4. If both Assertion and Reason are false.

Q.

What are the outside raw metal used for by an organism?

Q.

Is glycolysis exergonic or endergonic?

Q. In Earthworms, the exchange of gases occurs through ________.

1. Skin
2. Head
3. Lungs
4. Book Lungs

Q.

Is carbon lost during glycolysis?

Q. Explain the ring structure which is involving in the cyclic structure of glucose.how to draw the structure?

Q. Name the final product/products obtained in the anaerobic respiration, if it takes place:
(b) in animal tissue (like muscles).

Q.

The process complementary to respiration is __.

Q.

Mitochondria are not found in

1. human RBC

2. human liver cell

3. frog liver cell

4. human nerve cell

Q. During the respiration of an organism A, 1 molecule of glucose produces 2 ATP molecules whereas, in the respiration of another organism B, 1 molecule of glucose produces 38 ATP molecules.

(d) Name one organism which behaves like A.

Q. Answer the following in "Yes" or "No".
(vi) During sunlight, the guard cells turn flaccid to open the stomata.
Yes
No

Q.

Name the energy currency of the cell.

Q. The end products of glycolysis in the cytoplasm of the cell are -

1. Pyruvate
2. 2 ATP
3. 2 NADH
4. 3 ATP

Q. How many molecules of ATP are produced respectively, when a molecule of NADH and a molecule of $FAD{H}_2$ donate their electrons to the electron transport chain?

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

Q. Answer the following in "Yes" or "No".
(v) No transpiration occurs during photosynthesis.
Yes
No

Q. Which of these life process is responsible for the release of energy locked up in food materials?

1. Transportation
2. Excretion
3. Nutrition
4. Respiration

Q. Given below is the diagram of an experimental set-up :

(a) What is the objective of this experiment?

Q. is the waste product of cellular respiration.

1. Oxygen
2. Carbon dioxide
3. Urea

Q. Where in the cell does the pyruvate break down to produce carbon dioxide and water?

1. Ribosome
2. Endoplasmic reticulum
3. Cytoplasm
4. Mitochondrion