EASY
Earn 100

Glucose-6-phosphate and fructose- 6 phosphate are

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Important Questions on Respiration in Plants

EASY
Glycolysis is the breakdown of glucose to pyruvic acid. How many molecules of pyruvic acid are formed from one molecule of glucose?
MEDIUM
Identify the substrate of these enzymes respectively.
Arginosuccinase; Hexokinase; Glutamine synthetase
A) Glutamic acid
B) Arginine
C) Arginosuccinic acid
D) Glucose
E) Fructose-1,6 phosphate
HARD
Identify the wrong statement related to glycolysis.
(A) Glycolysis has 10 chain reactions.
(B) In glycolysis, ATP is utilised in one step.
(C) There is one step related to the formation of NADH+H+.
(D) Glycolysis can take place in the mitochondria matrix also.
EASY
_____ is the common pathway for aerobic and anaerobic respiration. 
EASY
The number of net ATP molecules produced from 1 glucose molecule during glycolysis is:
MEDIUM
What is 'glycolysis'? Describe various steps involved in glycolysis using schematic representation.
MEDIUM
Match the following lists.
  List-I   List-II
A Phosphoenol pyruvate I Hexokinase
B Pyruvic acid II Enolase
C Triosephosphate III Pyruvic kinase
D Glucose-6—phosphate IV Aldolase

The correct match is:

HARD
Give an account of glycolysis. Where does it occur? What are the end products?
EASY
Which of the following conversions in glycolysis is an example of substrate level phosphorylation?
HARD

Which ONE of the following statements is INCORRECT about the hexokinase-catalysed reaction given below?

Glucose + ATP Glucose-6-phosphate+ADP

HARD
Give an account of glycolysis. Where does it occur? What are the end products? Trace the fate of these products in both aerobic and anaerobic respiration.
HARD

Arrange the following in the order of their occurrence in the glycolytic pathway.

I. Triose bisphosphate Triose phosphate

II. Fructose-6-phosphate  Fructose 1,6-bisphosphate

III. Phosphoenolpyruvate  Pyruvic acid

IV. 2-Phosphoglycerate Phosphoenolpyruvate

V. Glucose-6-phosphate Fructose-6-phosphate

VI. Triose phosphate 2-Phosphoglycerate

The correct sequence is:

HARD
How many ATP molecules are produced when DHAP of EMP path enters the oxidative phosphorylation?
EASY
Which one of the following molecules serves as a substrate for direct synthesis of ATP?
HARD
Give an account of glycolysis. Where does it occur? What are the end products of glycolysis? Trace the fate of these products in both aerobic and anaerobic respiration.
MEDIUM
Explain the various steps of phosphorylation of glucose in glycolysis.
MEDIUM
Draw a line diagram of biochemical reactions up to phosphorylation of glucose.
EASY

Assertion (A) :- The pathway from glucose to lactic acid occurs in 10 metabolic steps. Organisms will trap this energy and store in the form of chemical molecules.

Reason (R) :- Glucose is the only substrate for the production of energy.

The correct option among the following is:

MEDIUM

Respective products released along with main product in biochemical reactions catalysed by given enzymes

A) Glutamine synthetase                      I) NADH + H​​​​​​+

B) Fructose 1,6-bisphosphatase        II) ADP + Pi

C) Hexokinase                                      III) Inorganic phosphate

D) Malate dehydrogenase                   IV) ADP

EASY
Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by: