Important Questions on Respiration in Plants

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Important Questions on Respiration in Plants manages cell breath or the component of the breakdown of food materials inside the cell to deliver energy and the catching of this energy for the blend of ATP. The concepts of Glycolysis, Aerobic Respiration, The Respiratory Balance Sheet, Fermentation, Amphibolic Pathway, and Respiratory Quotient are covered in the topic.

Important Questions on Respiration in Plants pdf Download

1 RQ (Respiratory quotient ) is defined as :
(A) Volume of CO2 evolved = Volume of O2 consumed
(B) Volume of CO2 consumed / Volume of O2 evolved
(C) Volume of CO2 evolved / Volume of O2 consumed
(D) Volume of O2 evolved / Volume of CO2 consumed

Answer:Volume of CO2 evolved / Volume of O2 consumed
2 In which of the following CO2 is not evolved:
(A) Aerobic resoiration in plants
(B) Aerobic respiration in animals
(C) Alcoholic fermentation
(D) Lactate fermentation

Answer: Lactate fermentation
3 The three boxes in this diagram represents the three major biosynthetic Pathway s in aerobic Respiration:
(A) ATP
(B) H2O
(C) FADH2 OR FAD+
(D) NADH

Answer: ATP
4 Mitochondria are semi-autonomous because as they posses:
(A) DNA
(B) DNA + RNA
(C) DNA + RNA ribosome
(D) Protein

Answer: DNA + RNA ribosome
5 FAD is the electron acceptor in between :
(A) Fumaric acid and Malic acid
(B) Fumaric acid and Succinic acid
(C) Malic acid and oxaloacetic acid
(D) Citric acid and isocitric acid

Answer: Fumaric acid and Succinic acid
6 The energy releasing metabolic reaction in which substrate is oxidised without an external electron Acceptor is called:
(A) Photorespiration
(B) Aerobic respiration
(C) Glycolysis
(D) Fermentation

Answer:Fermentation
7 Most enzymes that take part in KREBS CYCLE are located in:
(A) Mitochondrial matrix
(B) Cytoplasm
(C) Inner mitochondrial membrane
(D) Plasma membrane

Answer: Mitochondrial matrix
8 Phos[phorylation of glucose during glycolysis is catalysed by :
(A) Phosphoglucomutase
(B) Phosphoglucoisomerase
(C) Hexokinase
(D) Phosphorylase

Answer:Hexokinase
9 Intermediate stage between aerobic and anaerobic cycles is:
(A) Gloxylate cycle
(B) Glycolysis
(C) Krebs cycle
(D) None of these

Answer: Glycolysis
10 The size of mitochondria inplant cell is:
(A) 0.1 – 1.0 µm long
(B) 1.0 – 4.0 µm long
(C) 2.0 – 4.0 µm long
(D) 0 – 4.0 µm long

Answer: 1.0 – 4.0 µm long

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