Q.1
The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products …[NEET 2013] Arrows numbered 4, 8, and 12 can all be
unit-4_ch-5_que_no-362_img_no1.png
  • a) NADH
  • b) ATP
  • c) H2O
  • d) FAD+ or FADH2
Q.2
Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins? …[NEET 2013]
  • a) Glucose-6-phosphate
  • b) Fructose 1,6-bisphosphate
  • c) Pyruvic acid
  • d) Acetyl CoA
Q.3
Which of the following biomolecules is common to respiration-mediated breakdown of fat s, carbohydrates and proteins ? …[NEET 2016]
  • a) Pyruvic acid
  • b) Acetyl CoA
  • c) Glucose-6-phosphate
  • d) Fructose 1,6-bisphosphate
Q.4
Oxidative phosphorylation is :- …[NEET 2016]
  • a) Addition of phosphate group to ATP.
  • b) Formation of ATP by energy released from electrons removed during substrate oxidation.
  • c) Formation of ATP by transfer of phosphate group from a substrate to ADP
  • d) Oxidation of phosphate group in ATP
Q.5
Which statement is wrong for Krebs' cycle? ….[NEET- 2017]
  • a) There are three points in the cycle where NAD+ is reduced to NADH + H+
  • b) There is one point in the cycle where FAD+ is reduced to FADH2
  • c) During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised
  • d) The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid
Q.6
What is the role of NAD+ in cellular respiration ? [NEET 2018]
  • a) It functions as an enzymes
  • b) It functions as an electron carrier
  • c) It is a nucleotide source for ATP synthesis
  • d) It is the final electron acceptor for anaerobic respiration
Q.7
Which of these statements is incorrect ? [NEET 2018]
  • a) Enzymes of TCA cycle are present in mitochondrial matrix.
  • b) Glycolysis occurs in cytosol.
  • c) Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms.
  • d) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Q.8
he complex V in ETS can be inhibitted by which of the following? Question submitted by Leo Leo
  • a) CO
  • b) oligimycin
  • c) pyruvic acid
  • d) antimycin
Q.9
Which of the following statements is /are not true? … [ Kerala 2006] a) One ATP yields 32Kj of energy b) Pentose phosphate pathway was discovered by Dickens c) When tripalmitin is used as substrate, R.Q. is 0.7 d) Energy released by one molecule of glucose on complete oxidation corresponds to 1292KJ
  • a) a, b and d
  • b) a and d
  • c) c and d
  • d) a, c and d
0 h : 0 m : 1 s