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Free download in PDF Respiration in Plants Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Protons accumulate on the __________ in mitochondria.
[A]
Inner membrane
[B]
Intermembrane space
[C]
Outer membrane
[D]
None of the above
Answer: Intermembrane space
(2)
Oxidative phosphorylation usually refers to________
[A]
Anaerobic production of ATP
[B]
Citric acid cycle production of ATP
[C]
Alcoholic fermentation
[D]
None of the above
Answer: Citric acid cycle production of ATP
(3)
The process of cell respiration is carried out by _______
[A]
Mitochondria
[B]
Chloroplast
[C]
Nucleus
[D]
None of the above
(4)
An important product of the Krebs cycle is
[A]
Water
[B]
Methane
[C]
ATP
[D]
None of the above
(5)
Acetyl CoA forms a 6-C compound after combining with
[A]
Oxygen
[B]
Pyruvic acid
[C]
Citric acid
[D]
Oxaloacetic acid
(6)
The process of respiration in green plants occurs
[A]
only when stomata are open
[B]
only when photosynthesis ceases
[C]
only when photosynthesis is in progress
[D]
At all times
(7)
Respiratory enzymes are located in
[A]
mitochondrial matrix
[B]
cristae
[C]
perimitochondrial space
[D]
outer membrane
(8)
The site of glycolysis in a cell is
[A]
chloroplast
[B]
nucleus
[C]
cytoplasm
[D]
mitochondria
(9)
Respiration is
[A]
Anabolic process
[B]
Exothermic process
[C]
Endothermic process
[D]
Endergonic process
Answer: Exothermic process
(10)
The annual plant exchange of gases takes place mainly through
[A]
Leaf scars
[B]
lenticels
[C]
stomata
[D]
stem
(11)
Kreb’s cycle take place in
[A]
vesicles of ER
[B]
Mitochondrial matrix
[C]
lysosomes
[D]
Dictyosomes
Answer: Mitochondrial matrix
(12)
Common immediate source of energy in cellular activity:
[A]
NAD
[B]
ATP
[C]
DNA
[D]
RNA
(13)
Photorespiration involves
[A]
Glycolate cycle
[B]
Kreb’s cycle
[C]
Calvin cycle
[D]
CAM cycle
(14)
In succulent xerophytes the R.Q is :
[A]
Zero
[B]
unity
[C]
less than one
[D]
more than one
(15)
R.Q. of fatty substances is generally:
[A]
unity
[B]
Zero
[C]
more than one
[D]
less than one
(16)
Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes:
[A]
carboxylase
[B]
phosphatase
[C]
dehygrogenase
[D]
carboxylase and dehygrogenase
Answer: carboxylase and dehygrogenase
(17)
During respiration yeast converts glucose to
[A]
ethanol and water
[B]
ethanol and oxygen
[C]
ethanol and CO2
[D]
lactic acid and CO2
(18)
The net gain of ATP produced during the oxidation of one glucose molecule in a plant cell
[A]
38 ATP molecules
[B]
30 ATP molecules
[C]
36 ATP molecules
[D]
24 ATP molecules
(19)
The final acceptor of electrons in the electron transport chain is
[A]
Water
[B]
Oxygen
[C]
Hydrogen
[D]
Cytochrome b
(20)
In plant cell, digestion of fats occurs with the help of
[A]
lysosomes
[B]
Peroxisomes
[C]
glyoxisomes
[D]
microtubules
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