Respiration in Plants Test

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Respiration in Plants Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following statements is/are false?

a. Cyanobacteria and green plants can prepare their own food.
b. The energy produced by plants is stored in the bonds of carbohydrates like glucose, sucrose and starch.
c. In green plants, all cells, tissues and organs photosynthesise.

A
Only a

B
Only a and b

C
Only b

D
Only c

Solution

This is the correct option as this statement is false.
Question 2
1 / -0

In which of the following parts of eukaryotes does the breakdown of complex molecules to yield energy take place?

a. Chloroplast
b. Cytoplasm
c. Mitochondria

A
Only a

B
Only a and b

C
Only b

D
Only b and c

Solution

This is the correct option. In cytoplasm and mitochondria, the breakdown of complex molecules to yield energy takes place.
Question 3
1 / -0

Respiratory substrates are the compounds that are oxidised during respiration. Which of the following are not respiratory substrates?

A
Vitamins

B
Carbohydrates

C
Proteins

D
Fats

Solution

This is the correct option as vitamins are not respiratory substrates.
Question 4
1 / -0

Which of the following parts are used by plants for gaseous exchange?

a. Stomata
b. Lenticels
c. Root nodules

A
Only a

B
Only a and b

C
Only b

D
Only b and c

Solution

This is the correct option. Stomata and lenticels are used by plants for gaseous exchange.
Question 5
1 / -0

Which of the following is utilised during the process of respiration in plants?

A
Carbon dioxide

B
Water

C
Energy

D
Oxygen

Solution

This is the correct option. Oxygen is utilised during the process of respiration .
Question 6
1 / -0

The breakdown of glucose to pyruvic acid is called glycolysis. It occurs in the __________ of a cell.

A
cytoplasm

B
nucleus

C
ribosome

D
mitochondria

Solution

Glycolysis occurs in the cytoplasm of a cell.
Question 7
1 / -0

Glucose and fructose are phosphorylated by an enzyme hexokinase to give rise to which of the following?

A
Fructose-6-phosphate

B
Fructose1, 6-bisphosphate

C
Triose bisphosphate

D
Glucose-6-phosphate

Solution

Glucose and fructose are phosphorylated by an enzyme hexokinase to give rise to glucose-6-phosphate.
Question 8
1 / -0

In which of the following is less than seven percent of the energy in glucose released?

a. Aerobic respiration
b. Lactic acid fermentation
c. Alcohol fermentation

A
Only a

B
Only a and b

C
Only b

D
Only b and c

Solution

Fermentation is less efficient at using the energy from glucose: only 2 ATP are produced per glucose, compared to the 38 ATP per glucose nominally produced by aerobic respiration.
Question 9
1 / -0

Which of the following statements is/are false?

a. In eukaryotes, aerobic respiration takes place within the cytoplasm.
b. In many prokaryotes, fermentation takes place under anaerobic conditions.
c. The metabolic pathway through which the electron passes from one carrier to another is called the electron transport system.

A
Only a

B
Only a and b

C
Only b

D
Only b and c

Solution

In eukaryotes, aerobic respiration takes place within the mitochondria.
Question 10
1 / -0

Which of the following assumptions is/are made to make calculations of the net gain of ATP for every glucose molecule oxidised?

A
Only glucose is being respired

B
No other intermediate in the pathway is utilised to synthesise any other compound.

C
The NADH synthesised in glycolysis is transferred into the mitochondria.

D
All of the above

Solution

This is the correct option as all of the above are assumptions to make calculations of the net gain of ATP for every glucose molecule oxidised.

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Respiration in Plants Test - 4

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Respiration in Plants Test - 4

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Question 1

Only a

Only a and b

Only b

Only c

Solution

Question 2

Only a

Only a and b

Only b

Only b and c

Solution

Question 3

Vitamins

Carbohydrates

Proteins

Fats

Solution

Question 4

Only a

Only a and b

Only b

Only b and c

Solution

Question 5

Carbon dioxide

Water

Energy

Oxygen

Solution

Question 6

cytoplasm

nucleus

ribosome

mitochondria

Solution

Question 7

Fructose-6-phosphate

Fructose1, 6-bisphosphate

Triose bisphosphate

Glucose-6-phosphate

Solution

Question 8

Only a

Only a and b

Only b

Only b and c

Solution

Question 9

Only a

Only a and b

Only b

Only b and c

Solution

Question 10

Only glucose is being respired

No other intermediate in the pathway is utilised to synthesise any other compound.

The NADH synthesised in glycolysis is transferred into the mitochondria.

All of the above

Solution

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