Respiration In Plants NEET Questions | Online Test No. 01

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NEET Respiration in Plants Questions – MCQs test 01

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Question 1
Oxidative phosphorylation is [NEET 2016]
A
formation of ATP by transfer of phosphate group from a substrate to ADP
B
oxidation of phosphate group in ATP
C
addition of phosphate group to ATP
D
formation of ATP by energy released from electrons removed during substrate oxidation
Question 2
Oxidative phosphorylation is production of [CBSE AIPMT 1992]
A
ATP in photosynthesis
B
NADPH in photosynthesis
C
ATP in respiration
D
NADH in respiration
Question 3
Organisms which obtain energy by the oxidation of reduced inorganic compounds are called [CBSE AIPMT 2002]
A
photoautotrophs
B
chemoautotrophs
C
saprozoic
D
coproheterotrophs
Question 4
Link between glycolysis, Krebs’ cycle and β-oxidation of fatty acid or carbohydrate and fat metabolism is [CBSE AIPMT 1992]
A
oxaloacetic acid
B
succinic acid
C
citric acid
D
acetyl CoA
Question 5
In which one of the following processes CO2 is not released? [CBSE AIPMT 2014]
A
Aerobic respiration in plants
B
Aerobic respiration in animals
C
Alcoholic fermentation
D
Lactate fermentation
Question 6
In Krebs’ cycle, the FAD precipitates as electron acceptor during the conversion of [CBSE AIPMT 1997]
A
fumaric acid to malic acid
B
succinic acid to fumaric acid
C
succinyl CoA to succinic acid
D
α-ketoglutarateto succinyl CoA
Question 7
At the end of glycolysis, six carbon compound ultimately changes into [CBSE AIPMT 1996]
A
ethyl alcohol
B
acetyl CoA
C
pyruvic acid
D
ATP
Question 8
ATP is injected in cyanide poisoning because it is [CBSE AIPMT 1994]
A
necessary for cellular functions
B
necessary for Na+ – K+ pump
C
Na+ – K+ pump operates at the cell membranes
D
ATP breaks down cyanide
Question 9
Which one of the following statements about cytochrome P450 is wrong? [CBSE AIPMT 1998]
A
It is a coloured cell.
B
It is an enzyme involved in oxidation reactions.
C
It has an important role in metabolism.
D
It contains iron.
Question 10
Which statement is wrong for Krebs’ cycle? [NEET 2017]
A
There is one point in the cycle where FAD+ is reduced to FADH2.
B
During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised.
C
The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.
D
There are three points in the cycle where NAD+ is reduced to NADH + H+.
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