Anaerobic Respiration

Q.

Distinguish between the following:

(a) Aerobic respiration and Anaerobic respiration

(b) Glycolysis and Fermentation

(c) Glycolysis and Citric acid Cycle

Q.

Which of the following pathways and reactions will result in the production of the most ATP molecules during aerobic cellular respiration of one glucose molecule?

1. glycolysis

2. transition reaction

3. electron transport system

4. Krebs cycle

Q. Which of the following is not an end product of fermentation?

1. Acetic acid
2. Lactic acid
3. Ethyl Alcohol
4. G-3-P

Q. During the formation of bread, the bread becomes porous due to release of ${\mathrm{CO}}_2$ by the action of

1. yeast
2. bacteria
3. virus
4. protozoans

Q.

What is the significance of step-wise release of energy in respiration?

Q. Fermentation is the anaerobic production of

1. protein and acetic acid
   
2. alcohol, lactic acid or similar compounds
   
3. ethers and acetones
4. alcohol and lipoproteins

Q. How many ATP molecules are obtained from fermentation of one molecules of glucose?

1. 2
2. 4
3. 3
4. 5

Q. In alcohol fermentation:

1. Triose phosphate is the electron donor while acetaldehyde is the electron acceptor
2. Triose phosphate is the electron donor while pyruvic acid is the electron acceptor
3. There is no electron donor
4. Oxygen is the electron acceptor

Q. Dough kept overnight in warm weather becomes soft and spongy because of _____.

1. Absorption of carbon dioxide from atmosphere
2. Fermentation
3. Release of carbon dioxide
4. Osmosis

Q. Cyanide resistant pathway is

1. Anaerobic respiration
2. Aerobic respiration
3. Both (A) and (B)
4. None of these

Q. Which one can respire in the absence of oxygen?

1. Seeds
2. Leaves
3. Stem
4. Root

Q. What is anaerobic respiration? How would demonstrate it experimentally?

Q. Anaerobic respiration takes place in the

1. ribosome
2. nucleus
3. cytoplasm
4. vacuole

Q. Aerobic respiration is how many times useful than anaerobic respiration?

1. 2
2. 8
3. 19
4. 38

Q. During lactic acid fermentation, how many ATPs are lost when two molecules of pyruvic acid form two molecules of lactic acid?

1. 1 ATP
2. 3 ATPs
3. 6 ATPs
4. There is no loss of ATP

Q. Anaerobic respiration takes place in the

1. Cytoplasm
2. Endoplasmic reticulum
3. Lysosome
4. Mitochondria

Q. Define glycolysis and fermentation.

Q. Bacteria obtaining energy by oxidation of inorganic substances are ___________

1. Chemo-organotrophs
2. Photolithotrophs
3. Chemolithotrophs
4. Photo-organotrophs

Q. Assertion: Sugar is fermented to produce alcohol in industries.
Reason: Oxygen is produced as a by product during the fermentation of sugar.

1. Both assertion and the reason are false
2. Both the assertion and reason are true but the reason is not the correct explanation for the assertion
3. Both the assertion and reason are true and the reason is the correct explanation of the assertion
4. The assertion is true but the reason is false

Q. Anaerobic respiration normally occurs?

1. Grass
2. Cactus
3. Coconut
4. Baker's

Q. During the process of anaerobic respiration :-

1. Large quantity of $C{O}_2$ is evolved
2. Net gain in $8$ ATP molecules
3. $NADH$ is oxidised to $NA{D}^{+}$ very vigorously
4. At least one of the end product is organic

Q. Which of the following processes do not involve the use of $O_2$?

1. photosynthesis
2. photorespiration
3. anaerobic respiration
4. both a and c

Q. What is the significance of step-wise release of energy in respiration?

Q. Which of the following is a kind of anaerobic respiration?

1. Alcoholic fermentation
2. Lactic acid fermentation
3. Both a and b
4. None of the above

Q. Read the following statements.
(A) Optic lobes in humans are represented by two inferior colliculi of midbrain.
(B) Destruction of GABA secreting neurons leads to Parkinson’s while Huntington's chorea is caused due to degeneration of dopamine secreting neurons.
(C) Human brain is greatly convoluted, consisting of numerous gyri and sulci.
(D) Amygdala is concerned with regulating moods, especially anger and rage.
Choose the correct option w.r.t. true (T) and false (F).

1. A-(T), B-(T), C-(T), D-(F)
2. A-(T), B-(F), C-(F), D-(T)
3. A-(F), B-(F), C-(T), D-(T)
4. A-(F), B-(T), C-(F), D-(T)

Q. What number of ATP is produced when a molecule of glucose undergoes fermentation?

1. 4
2. 36
3. 2
4. 38