Respiration in Plants MCQs | Respiration in Plants Short Questions and Answers

Questions
1 Phosphrylation of glucose during glycolysis is catalysed by :
A Phosphoglucomutase
B Phosphoglucoisomerase
C Hexokinase
D Phosphorylase

Answer:Phosphorylase
2 Pyruvic acid the key product of glycolysis has many fates; what are its products during aerobic respiration.
A Lactic acid
B CO2 + H2O
C Acetyl CO A + H2O
D Ethanol + CO2

Answer:Acetyl CO A + H2O
3 Electron transport chain (ETS) is located in mitochondrial:
A Outer membrane
B intermembranal space
C Inner membrane
D matrix

Answer: intermembranal space
4 Which of the following has highest rate of photosynthesis:
A Leaf bud
B Growing shoot apex
C Root tip
D Growing root tip

Answer:Growing shoot apex
5 Mitochondria is called the powerhouse of cell because:
A It has mitochondral enzyme for kreb’s cycle and cytochromes
B It produces ATP as energy store house
C It is found in all plant and animal cell
D It has double membrane

Answer: It produces ATP as energy store house
6 The end product of oxidative phosphorylation is:
A NADPH
B Oxygen
C ADP
D ATP + H2O

Answer: ATP + H2O
7 Respiratry quotient of FATS is :
A equal to 1
B more than 1
C less than 1
D none of the above

Answer: less than 1
8 Red muscle fibre are red due to the presence of:
A haemoglobin
B myoglobin
C megaloglobin
D rich no. of RBC

Answer:megaloglobin
9 Nature of TCA cycle is:
A Catabolic
B Metabolic
C Amphibolic
D Anabolic

Answer: Amphibolic
10 The number of glucose molecule required to produce 38 ATP molecules under anaerobic condition by a yeast cell is:
A 2
B 4
C 19
D 38

Answer: 19
11 Which of the following does not function as an electron carrier?
A Coenzyme-Q
B Cytochrome-a
C Cytochrome-C
D H2O

Answer: H2O
12 The process used to convert pyruvate to acetyl CoA is
A Oxidative dehydration
B Oxidative decarboxylation
C Oxidative dehydrgenation
D Oxidative dephosphorylation

Answer: Oxidative decarboxylation
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