Which of the following act as respiratory substrate under certain conditions in the plant?

(1) Protein

(2) Organic Acid

(3) Fats

(4) All of these

Subtopic:  Introduction |
 85%
From NCERT
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The energy in Respiration is

(1) Released in a single step

(2) Released in multiple step processes and is trapped in the form of ADP

(3) Released in step wise reactions controlled by ribozymes

(4) Released in step wise reactions controlled by enzymes and is trapped as ATP

Subtopic:  Introduction |
 89%
From NCERT
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Carbon skeletons produced during respiration is

(1) Used as energy source

(2) Used as precursors for biosynthesis of other molecules in the cell

(3) Used for synthesis of ATP by ATP synthase

(4) Used as remanent of biosynthesis of proteins

Subtopic:  Amphibolic Nature of Respiration |
 69%
From NCERT
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The plants do not breathe can be justified except

(1) Plants do not have sophisticated organs for gaseous exchange

(2) Each plant part takes care of its own gas-exchange needs

(3) There is huge transport of gases from one plant part to another

(4) Roots, stems and leaves respired at rates far lower than animals do.

Subtopic:  Introduction |
 67%
From NCERT
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All the living organisms do have

(1) Glycolysis

(2) TCA

(3) ETC

(4) Oxidative Phosphorylation

Subtopic:  Introduction |
 85%
From NCERT
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Which of the following is not correct regarding Glycolysis?

(1) The word has originated from Greek word-Glycos

(2) The scheme for glycolysis was given by Gustav Embden, Otto Meyerhof, J Parnas.

(3) It is also called as EMP pathway

(4) In all organisms, it is the only process of Respiration

Subtopic:  Glycolysis |
 84%
From NCERT
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Find the odd statement with respect to plant respiration.

1. Glucose is derived from the end result of photosynthesis i.e. sucrose

2. Invertase acts on sucrose to release out glucose and fructose

3. Glucose and sucrose are phosphorylated in the presence of hexokinase

4. The steps of glycolysis from third step onwards, are same for glucose and fructose

Subtopic:  Glycolysis |
 60%
From NCERT
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How many molecules of ATP are produced in anaerobic oxidation, if two molecules of sucrose have to be respired?

(1) 16

(2) 20

(3) 8

(4) 4

Subtopic:  Glycolysis |
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If two molecules of sucrose have to be respired, how many molecules of pyruvate are produced in anaerobic oxidation of glucose?

(1) 4

(2) 8

(3) 12

(4) 6

Subtopic:  Glycolysis |
 51%
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If two molecules of sucrose have to be respired, how many molecules of ATP are net gained in aerobic oxidation of glucose?

(1) 154

(2) 126

(3) 132

(4) 152

Subtopic:  Glycolysis |
 57%
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