Respiration In Plants Test-04

Respiration In Plants Test-04

This is Respiration In Plants Test-04 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
During anaerobic respiration less energy is produced than aerobic respiration because
  • A
    It takes place in inert medium
  • B
    Glucose is not available
  • C
    It takes place is micrograms
  • D
    Incomplete oxidation of glucose takes place
    Correct
2
Dough kept overnight in warm place becomes soft and spongy due to
  • A
    Osmosis
  • B
    Cohesion
  • C
    Fermentation
    Correct
  • D
    Absorption of .\(C{O_2}\).
3
When and where anaerobic respiration does occurs in man and yeast?
  • A
    Muscle in man and salt solution in yeast
  • B
    Bone in man and yeast in normal condition
  • C
    None of these.
  • D
    Muscle in man and submergence in sugary solution in yeast
    Correct
4
Acetyl CoA combine with oxalo-acetate in presence of condensing enzyme citrate synthetase to form 6-C compound called
  • A
    Tartaric acid
  • B
    Pyruvic acid
  • C
    Citric acid
    Correct
  • D
    Malic acid
5
Two molecules of pyruvate are completely degraded in Krebs cycle to form
  • A
    2ATP, \(8NAD{H_2} \) and \(2FAD{H_2}\)
    Correct
  • B
    2ATP, \(6NAD{H_2}\) and \(2FAD{H_2}\)
  • C
    4ATP, \(12NAD{H_2}\) and \(4FAD{H_2}\)
  • D
    8ATP, \(8NAD{H_2}\) and \(2FAD{H_2}\)
6
The correct sequential order of pathway is
  • A
    TCA cycle,Glycolysis,ETS cycle
  • B
    Glycolysis,TCAcycle,ETS cycle
    Correct
  • C
    Glycolysis.ETScycle,TCA cycle
  • D
    ETS cycle,TCAcycle,glycolysis
7
Oxidative phosphorylation is
  • A
    Alcoholic fermentation
  • B
    Anaerobic production of ATP
  • C
    Production of ATP by chemiosmosis Alcoholic fermentation Anaerobic production of ATP Citric acid production of ATP
    Correct
  • D
    Citric acid production of ATP
8
During which stage in the complete oxidation of glucose is the greatest number of ATP formed from ADP?
  • A
    Krebs cycle
  • B
    Glycolysis
  • C
    During conversion of pyruvic acid to Acetyl Co A
  • D
    Electron transport chain
    Correct
9
\( {\text{FAD + }}\) is produced during conversion of
  • A
    Succinic acid to Fumaric acid
    Correct
  • B
    Fumaric acid to Malic acid
  • C
    Citric acid to isocitric acid
  • D
    Isocitric acid Oxalosuccinic acid
10
Which process makes direct use of oxygen
  • A
    Glycolysis
  • B
    Electron transport
    Correct
  • C
    Fermentation
  • D
    Krebs cycle
11
Chemiosmotic theory of ATP synthesis in chloroplast and mitochondria is based on
  • A
    Membrane potential
  • B
    Proton gradient
    Correct
  • C
    Accumulation of \( N{a^ + }ions \)
  • D
    Accumulation of \({K^ + }ions \)
12
The electrochemical potential gradient created across the membrane due to high \({H^ + }\) concentration on one side is called
  • A
    Proton motive force
    Correct
  • B
    Electron movement force
  • C
    Energy movement force
  • D
    Electromotive force
13
Mitochondria is called power house of the cell because
  • A
    Enzyme of Krebs cycle and the cytochromes are found
    Correct
  • B
    Mitochondria are found in all kinds of cells
  • C
    Mitochondria contain ATP
  • D
    Mitochondria have double membrane
14
Respiratory Quotient is less than one in case the substrate is
  • A
    Proteins
  • B
    Fats
  • C
    Glucose
  • D
    Organic acids
    Correct
15
Which is the most common respiratory substrate?
  • A
    Carbohydrates
    Correct
  • B
    Fats
  • C
    Amino acids
  • D
    Organic acids