Respiration In Plants Test

Respiration In Plants

This is Respiration In Plants Test-05 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The enzyme that interconnects the glycolysis and kreb cycle is
  • A
    Acetyl-CoA
    Correct
  • B
    Oxalo acetic acid
  • C
    NADP
  • D
    NADH
2
The respiratory ratio of protein is
  • A
    0.7
  • B
    1.0
  • C
    0.2
  • D
    0.9
    Correct
3
Krebs cycle is both catabolic and anabolic because it provides
  • A
    ATP is released as well as utilised
  • B
    Produce energy as well as use energy
  • C
    A number of intermediates
    Correct
  • D
    A number of final products
4
The respiratory quotient(RQ) is defined as
  • A
    Volume of \(C{O_2}\) consumed/ Volume of \({O_2}\) evolved
  • B
    Volume of \(C{O_2}\) evolved / Volume of \({O_2}\) consumed
    Correct
  • C
    Volume of \({O_2}\) evolved / Volume of \(C{O_2}\) consumed
  • D
    Volume of \({O_2}\) consumed/ Volume of \(C{O_2}\) evolved
5
The respiratory quotient depends upon
  • A
    respiratory products
  • B
    respiratory substrates
    Correct
  • C
    ATP
  • D
    NADH
6
Glycerol would enter the amphibolic pathway after being converted into
  • A
    Glucose
  • B
    PGAL
    Correct
  • C
    Acetyl co A
  • D
    Fatty acids
7
Which one is known as energy currency of the living cells?
  • A
    UTP
  • B
    GTP
  • C
    ADP
  • D
    ATP
    Correct
8
Most common respiratory substrate is
  • A
    Protein
  • B
    Fat
  • C
    Organic acid
  • D
    Glucose
    Correct
9
R.Q is less than unity in case of
  • A
    Carbohydrates
  • B
    Organic acid
  • C
    Protein
    Correct
  • D
    Starch
10
Before combining with oxaloacetate, pyruvate is changed into
  • A
    Malic acid
  • B
    Succinic acid
  • C
    Acetyl Co A
    Correct
  • D
    Citric acid
11
Reduction in consumption of respiratory substrate when the mode of respiration is changed from aerobic to anaerobic is called
  • A
    Substrate Effect
  • B
    London Effect
  • C
    Pasteur Effect
    Correct
  • D
    Krebs Effect
12
If both fatty acids and carbohydrates are available to muscles, which one is consumed first in respiration?
  • A
    Both together
  • B
    Carbohydrates
    Correct
  • C
    None of these.
  • D
    Fatty acids
13
Metabolism of one palmitic acid molecules yields
  • A
    56 ATP
  • B
    48 ATP
    Correct
  • C
    36 ATP
  • D
    136 ATP
14
Which of the following pair act as ETC poison
  • A
    Cyanide and FAD
  • B
    Antimycin and aldehyde
  • C
    Cyanide and Antimycin
    Correct
  • D
    2:4 Dinitrophenol and alcohol
15
Which compound is the terminal electron accepter in aerobic respiration?
  • A
    Oxygen
    Correct
  • B
    Carbon dioxide
  • C
    Ethanol
  • D
    Hydrogen