Top 250+ Solved Respiration MCQ Questions Answer
Q. Raw material of respiration is (R.R.M.T. 199)
a. Glucose and fructose
b. Glucose and sucrose
c. Glucose + O2
d. Glucose + CO2
Q. Respiration is found in (B.H.V. 1980)
a. In all living cells in light
b. All living cells in dark
c. In all living cells both in light and dark
d. Only in nongreen cells both in light and dark
Q. Anaerobic respiration is (CPMT. 1987)
a. Extramolecular respiration
b. Molecular respiration
c. Inter-molecular respiration
d. Intra-molecular respiration.
Q. Total gain of energy in anaerobic respiration from one glucose molecule is (CPMT. 1987)
a. Two ATP
b. One ATP
c. Four ATP
d. Three ATP
Q. Final electron acceptor in respiration is (B.H.U. 1984, Karnataka 1994; A.F.M.C. 1998, A.M.U. 2001)
a. Hydrogen
b. Oxygen
c. Cytochromes
d. Dehydrogenases
Q. Oxidative phosphorylation is found in (M.P.P.M.T. 1987, 2002)
a. Chloroplast
b. Leucoplasts
c. Peroxisomes
d. Mitochondria
Q. In Opunita and other succulents, night time R.Q. is (CPMT, 1986)
a. One
b. More than one
c. Zero
d. Less than one
Q. RQ of protein rich pulses is ‘ (RPMT. 1989)
a. Unity
b. Infinity
c. More than unity
d. Less than one
Q. Oxidation of a molecule of acetyl CoA produces (RPMT. 1990)
a. 12 ATP
b. 15 ATP
c. 6 ATP
d. 19 ATP
Q. Maximum amount of energy/ATP is liberated on oxidation of (AFMC 1984, 1988; CPMT. 1988; CB.S.E. 1994; AMU 1996)
a. Fat
b. Proteins
c. Starch
d. Vitamins
Q. R.Q. is ratio of ; (C.B.S.E.’1990;A.P.M.E.E. 1999, Glijarat GET Q.B.)
a. CO2 produced to substrate consumed
b. CO2 produced to O2 consumed
c. Oxygen consumed to water produced
d. Oxygen consumed to CO2 produced
Q. Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle pyruvate is changed to (A.F.M.C, 1988; CB.S.E. 1992, 1997; R.PMT. 1992; M.P.P.M.T. 1987, 88, 93, 98, 2001, 2002; AMU. 1987, 2001; J.LPME.R; 1989; C.PMT. 1991, 94; D.P.M.T. 1999; A.UMS. 1994, Mampal 200l, BV. 2002, Kerala 2003, 2004)
a. Oxaloacetate
b. PEP
c. Pyruvate
d. Acetyl CoA
Q. Apparatus to measure rate of respiration and R.Q. is (C.P.M.T. 1991; C.B.S.E. 1992)
a. Auxanometer
b. Potometer
c. Respirometer
d. Manometer
Q. Terminal cytochrome of respiratory chain which donates electrons to oxygen is (CPMT 1989; CBSE, 1992)
a. Cyt b
b. Cyt c
c. Cyt a
d. Cyt a3
Q. R.Q. is maximum when respiratory substrate is (MPPMT. 1992; A.U.M.S. 1992)
a. Glucose
b. Fat
c. Protein
d. Malic aci