Discovery of photorespiration is based on Warburg effect

1.Discovery of photorespiration is based on
(a) Warburg effect
(b) Pasteur effect
(c) Richmond-Lang effect
(d) Cholodny-Went effect
Answer: (a)
2.During 24 hours there is a time when plants neither give O2 nor CO2. this is the time of (BHU 1984, 91)
(a) Night
(b) Daylight
(c) Twilight
(d) None of these
Answer: (c)
3.During anaerobic respiration, decarboxylation reaction occurs in
(a) Cytoplasm
(b) Mitochondrial matrix
(c) Cristae
(d) F1 particles
Ans: (a)
4.During anaerobic respiration, one molecule of pyruvic acid
(Rajasthan PMT 1985; BHU 1985; CPMT 1988)
(a) Losses 3 molecules of ATP
(b) Losses 6 molecules of ATP
(c) Gains 2 molecules of ATP
(d) Gains 4 molecules of ATP
Answer: (a)
5.During respiration, pyruvic acid is formed by
(CPMT 1986; BHU 1995)
(a) Glycolysis
(b) Krebs cycle
(c) HMP pathway
(d) None of the above
Answer: (a)
6.Electron carries if oxidative phosphorylation are present on
(a) Outer membrane of mitochondria
(b) Inner membrane of Mitochondria
(c) Thylakoid membrane of chloroplast
(d) Matrix of mitochondria
Ans: (b)
7.EMP can produce a total of
(a) 6 ATP
(b) 8 ATP
(c) 24 ATP
(d) 38 ATP
Ans: (b)
8.End product of citric acid / Krebs cycle is
(a) citric acid
(b) lactic acid
(c) pyruvic acid
(d) CO2 + H2 O
Ans: (d)
9.End product of glycolysis is
(a) Acetyl CoA
(b) Pyruvic Acid
(c) Glucose 1 - phosphate
(d) Fructose 1 - Phosphate
Ans: (b)
10.End products of aerobic respiration are
(a) Sugar and Oxygen
(b) water and Energy
(c) Carbon dioxide, water and energy
(d) Carbon dioxide and energy
Ans: (c)
11.Energy currency (reservoir) of the cells is
(a) AMP
(b) ATP
(c) RNA
(d) DNA
Ans: (b)
12.Energy is released during
(a) Citric acid ® Isocitric acid
(b) Isocitric acid ® cis – Aconitic acid
(c) Glucose 1- P ® cis - Glucose 6-P
(a) Pyruvate ® Acetyl CoA
Ans: (d)
13.Enzymes of oxydative phosphorylation found in
(Rajasthan PMT 1995)
(a) Endoplasmic reticulum
(b) Chloroplast
(c) Mitochondria
(d) Golgi complex
Answer: (c)
14.Enzymes taking part in glycolysis are present in
(a) Mitochondria
(b) Cytoplasm
(c) Both Mitochondria and cytoplasm
(d) Vacuole
Ans: (b)
15.ETC and TCA enzymes occur in
(a) Ribosomes
(b) Endoplasmic reticulum
(c) Mitochondria
(d) Cytoplasm and nucleus
Ans: (c)
16.Evolution of CO2 is more than intake of oxygen when
(MP PMT 1987; Delhi PMT 1990)
(a) Socrose is respired
(b) Glucose is respired
(c) Organic acids are respired
(d) Fats are respired
Answer: (c)
17.FAD is electron acceptor during oxidation of
(a) a - Ketoglutarate ® Succinyl acid
(b) Succinic acid ® Fumaric acid
(c) Succinyl CoA ® Succinic acid
(d) Fumaric acid ® Malic acid
Ans: (b)
18.Fermentation produces
(a) Protein and acetic acid
(b) Alcohol and lipoprotein
(c) Alcohol, lactic acid, etc.
(d) Ethers and acetones
Ans: (c)
19.Fermentation products of yeast are
(a) H2 O + CO2
(b) Methyl alcohol + CO2
(c) Methyl alcohol + water
(d) Ethyl alcohol +CO2
Ans: (d)
20.Final electron acceptor in respiration is
(a) Hydrogen
(b) Oxygen
(c) Cytochromes
(d) Dehydrogenases
Ans: (b)