Anaerobic Respiration

Q.

The end product of anaerobic respiration in plants is

1. ethanol

2. lactic acid

3. oxygen

4. water vapour

Q.

Anaerobic respiration takes place in

1. Cytoplasm

2. Ribosome

3. Nucleus

4. Vacuole

Q.

Anaerobic respiration produces ___ ATP molecules per glucose.

Q.

Complete the equation of anaerobic respiration in plants.

$C_6{H}_{12}{O}_6⟶$

1. $C{H}_{3}COOH+C{O}_2+38ATP$

2. $LacticAcid+38ATP$

3. $2C_2{H}_{5}OH+2C{O}_2+2ATP$

4. $6C{O}_2+6H_{2}O+2ATP$

Q. The end products of anaerobic respiration in plants is ___

Q.

The product formed during less oxygen supply in muscle cells is ………………………

1. Acetic acid

2. Ethanol

3. Carbon dioxide

4. Lactic acid

Q.

When yeast ferments glucose, the products are:

1. Carbon dioxide and ethanol

2. Carbon dioxide and nitrous oxide

3. Carbon dioxide and hydrogen

4. CO2 and methyl alcohol

Q.

I am a double-membraned cell organelle, and responsible for cellular respiration. Who am I?

1. Cell membrane

2. Cytoplasm

3. Nucleus

4. Lysosome

Q.

The end product of anaerobic respiration is __ instead of lactic acid as in the case of animals.

Q.

Identify A & B in this condensed scheme of glycolysis

1. (A) 2-Phosphoglycerate, (B) Pyruvic acid
2. (A) DHAP, (B) 2-Phosphoglyceric acid
3. (A) Glucose-6-phosphate, (B) Pyruvic acid
4. (A) 1, 3-bisphosphoglyceric acid, (B) Pyruvic acid
5. (A) Fructose-1, 6-bisphosphate, (B) PEP

Q.

Anaerobic respiration normally occurs in

1. Yeast

2. Grass

3. Cactus

4. Hibiscus

Q.

Mention if the following statements are true or false. If false, rewrite them correctly.

(a) Aerobic respiration of one mole of glucose yields 138 ATP

(b) Anaerobic respiration in plants yields lactic acid.

(c) Carbon dioxide readily dissolves in lime water.

(d) All leaves of a green plant normally respire anaerobically at night.

Q.

________ is used to create vacuum to show aerobic respiration

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

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

Q. During anaerobic respiration, lactic acid is formed in .

1. white blood cells
2. neuron
3. kidney
4. muscles

Q.

Select True or False in the following statements regarding aerobic and anaerobic respiration.

1. Aerobic respiration proceeds in the presence of oxygen
2. Anaerobic respiration proceeds in the absence of oxygen
3. In anaerobic respiration end product is water
4. Aerobic respiration occurs normally throughout life

1. TTFT

2. TTTT

3. FTTT

4. TFFT

Q.

Which of these is the end product of anaerobic respiration in animals?

1. Pyruvic acid

2. Ethanol

3. Lactic acid

4. All of these

Q.

Incomplete breakdown of sugar in anaerobic respiration forms ____.

1. Alcohol and carbon dioxide

2. Water and carbon dioxide

3. Fructose and water

4. Glucose and carbon dioxide

Q. If living cells were also found on another planet where there is no oxygen, then which cell organelle would most probably be absent ?

1. Cell Membrane
2. Ribosomes
3. Mitochondria
4. Chromosomes

Q. Given below are chemical reactions ( 1 to 5) involving glucose and five other chemical products (A-E).
(a) Write the reaction number of the following:
(i) Anaerobic respiration in plants.
(ii) End-products in aerobic respiration.
(iii) Reaction occurring in liver.
(iv) Anaerobic respiration in animals.
(v) Storage in the liver.
(b) Which reactions (1-5) in the above correspond to the following (write the corresponding number of reaction next to them).
(i) Aerobic respiration.
(ii) Change taking place in the liver.
(iii) Anaerobic respiration in yeast.
(iv) Change taking place in a plant storage organ – e.g. potato.
(v) Anaerobic respiration in animals.

Q.

What happens when there is a build-up of lactic acid in muscles?

Q.

Anaerobic respiration in the muscles produce(s) __.

1. lactic acid

2. carbon dioxide

3. energy

4. oxygen

Q. Which of the following respiration occurs without oxygen?

1. Chemotrophic
2. Phototrophic
3. Aerobic
4. Anaerobic

Q.

Respiration proceeds only when oxygen is available and is therefore called __(aerobic/ anaerobic) respiration.

Q.

Anaerobic respiration normally occurs in

(a) Grass (b) Cactus

(c) Coconut (d) Baker's yeast

Q.

During continuous physical exercise, the muscles are working in the lack of oxygen to provide extra energy. The product of anaerobic respiration in such muscles is __.

Q.

End product of anaerobic respiration is _______ and CO₂.

Q. Which combination of statement is correct?
(i) In aerobic respiration , glycolysis occurs in the cytoplasm of a cell.
(ii) In aerobic respiration, glycolysis cannot occur without the presence of oxygen.
(iii) In the process of glycolysis, glucose molecules are oxidised to produce the molecules of pyruvate.
(iv) In aerobic respiration , glycolysis occurs in the mitochondria of a cell.
(v) In aerobic respiration, oxidation of pyruvate molecules to produce $C{O}_2,H_{2}O$ and energy, occurs in mitochondria.

1. i, ii, iii and v
2. i, ii, iv and v
3. i, ii, and iii
   
4. i, iii, and v
5. None of these

Q. is an end product of anaerobic respiration.

1. Pyruvate
2. Lactic acid
3. Glucose

Q. Assertion :Glycolysis occurs in cytoplasm Reason: Enzymes for glycolysis are found in cytoplasm, it is common in aerobic/anaerobic respiration

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect