Respiratory Balance Sheet

Q.

How many ATPs are consumed for production of 5 molecules of NH3 during biological N2-fixation?

1. 12

2. 40

3. 20

4. 16

Q. How many turn(s) of Calvin cycle is/are required for the synthesis of one molecule of glucose?

1. 1
2. 3
3. 6
4. 10

Q. Metabolism is a defining feature of all living organisms without exception. Isolated metabolic reactions in vitro are not living things but surely living reactions. Comment.

Q.

How is ADP converted to ATP?

Q.

How many molecules of ATP are produced from 1 molecule of glucose?

Q.

What is the final electron acceptor for the electron transport chain in aerobic respiration?

Q.

How do plants produce ATP?

Q.

Where is${\mathrm{CO}}_2$ produced in cellular respiration?

Q.

Why does aerobic respiration produce more ATP?

Q. Why is ATP called energy currency of cells?

Q. How many ATP molecules are produced during aerobic respiration of one molecule of glucose?

1. 24
2. 3
3. 2
4. 38

Q.

During aerobic respiration, ${\mathrm{FADH}}_2$ is produced during

1. glycolysis

2. oxidation of pyruvate

3. Krebs cycle

4. electron transport chain

Q. What is Photo oxidation? What prevents photo oxidation of chlorophyll a?

Q. In a gaseous mixture 2 mol of Co2, 1 mol of h2 and 2 mol of he are present than determine mole percentage of Co2

Q. The reaction that is responsible for the primary fixation of CO${}_2$is catalysed by

1. RuBP carboxylase and PEP carboxylase
2. PEP carboxylase
3. RuBP carboxylase
4. PGA synthase

Q. Only PS-I is involved in

1. cyclic photophosphorylation
2. non-cyclic photophosphorylation
3. photorespiration
4. linear photorespiration

Q.

Expand NADP.

Q.

How many net ATP is made in glycolysis?

Q. The net gain of ATP from one molecule of glucose in aerobic respiration is

1. 18 ATP
2. 38 ATP
3. 60 ATP
4. 80 ATP

Q. Out of $38$ ATP molecule how many ATP are formed by substrate level phosphorylation by aerobic respiration of $1$ glucose?

1. $2$
2. $3$
3. $4$
4. Zero

Q. The net gain of ATP molecules in glycolysis during aerobic respiration is

1. $0$
2. $2$
3. $4$
4. $8$

Q. How many$ATPs$ are formed per glucose molecule in Krebs’ cycle?

1. $6$
2. $24$
3. $2$
4. $28$

Q.

What happens during Krebs cycle?

Q.

Does fermentation produce ATP?

Q. How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?

1. 4
2. 2
3. 34
4. 38

Q. In aerobic respiration of a glucose molecule, citric acid cycle synthesis how many ATP molecules

1. 36
2. 38
3. 12
4. 24

Q. How many PGAL are produced by glycolysis of 3 molecules of glucose? How many ATP are released by respiration of these PGAL till formation of $C{O}_2$ and $H_{2}O$?

1. 4 PGAL-80 ATP
2. 6 PGAL-160 ATP
3. 6 PGAL-120 ATP
4. 4 PGAL-40 ATP

Q.

How many ATPs are formed per glucose molecule in Krebs cycle?

1. 2
2. 24
3. 28
4. 6

Q. Which of the following set of enzymes act as catalyst for the conversion of pyruvic acid into acetaldehyde and ethyl alcohol?

1. Pyruvic acid decarboxylase and alcohol decarboxylase
2. Pyruvic acid decarboxylase and alcohol dehydrogenase
3. Pyruvic acid dehydrogenase and alcohol decarboxylase
4. Pyruvic acid dehydrogenase and alcohol dehydrogenase

Q.

What is the energy required to overcome the energy barrier called?