Cellular Respiration in Plants

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Cellular Respiration in Plants: Overview

This topic covers concepts, such as Glycolysis and Stages of Glycolysis.

Important Questions on Cellular Respiration in Plants

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Assertion : Glycolysis is the first step of respiration in which glucose completely breaks into CO 2 and H 2 O .
Reason : In this process, there is net gain of twenty four molecules of ATP.

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Make suitable pairing

A Glycolysis                         a Mitochondria             B Kreb's cycle                     b Cytoplasmic matrixC Electron transport chain

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The following is a simplified scheme showing the fate of glucose during aerobic and anaerobic respiration. Identify the end products that are formed at stages indicated as A, B, C and D. Identify the correct option from those given below

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Which 3-carbon molecule is one of the final products of glycolysis?

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Which of the following enzyme catalyzes the first step of glycolysis?

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Arrange the following in the order of their occurrence with regard to glycolysis.
I. Phosphoenolpyruvate
II. 2 - Phosphoglycerate
III. 1,3 - bisphosphoglyceric acid
IV. 3 - Phosphoglyceric acid
V. Pyruvic acid

The correct sequence is:

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The conversion of 1,3-Biphosphoglyceric Acid (BPGA) to Phosphoglyceric Acid (PGA) is an

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Glyceraldehyde 3-phosphate (PGAL or GAP) is oxidized during glycolysis. What happens to the hydrogen atom and the electron that are removed during its oxidation?

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During respiration, pyruvic acid is

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One molecule of glucose requires 2 ATP to get phosphorylated to form Fructose 1,6- Biphosphate in glycolysis. How many ATP are used in the same process if the substrate is fructose?

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Which step of glycolysis requires pyruvic kinase, Mg++, K+ and ADP?

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Which is formed through phosphorylation in glycolysis?

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How many oxygen molecules are used in glycolysis of one molecule of glucose?

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The net gain of glycolysis of one molecule of glucose is the formation of

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Which enzyme is absent in mitochondria?

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First chemical step in respiration is

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Instead of glucose, if fructose-6 - diphosphate is used as substrate for glycolysis process, gain of ATP would be

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Which one is correct sequence in glycolysis?

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How many different 3 carbon compounds are formed during one round of glycolysis?

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For one molecule of glucose, glycolysis uses and produces           ATP molecules respectively.