Respiration in Plants MCQ Questions for Class 11 Biology Chapter 14 with Answers

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NCERT Chapters for Class 11 Biology


Q1. The universal hydrogen acceptor is

(i) NAD
(ii) ATP
(iii) Co-A
(iv) FMN


(i) NAD


Q2. During synthesis of a glucose molecule, ATP and NADPH consumed are respectively

(i) 15 and 12
(ii) 12 and 8
(iii) 30 and 20
(iv) 18 and 12


(iv) 18 and 12


Q3. The term ‘Glycolysis’ has originated from the Greek words

(i) Glucose and lysis
(ii) Glyco and lysis
(iii) Glycose and lysis
(iv) Glykos and lysis


(iv) Glykos and lysis


Q4. TCA cycle was discovered by

(i) Otto Meyerhof
(ii) Hans Kreb
(iii) Gustav Embden
(iv) All of these


(ii) Hans Kreb


Q5. The net gain of ATP molecules by glycolysis is

(i) Zero
(ii) Two
(iii) Four
(iv) Eight


(ii) Two


Q6. The term ‘Glycolysis’ has originated from the Greek words

(i) Glucose and lysis
(ii) Glyco and lysis
(iii) Glycose and lysis
(iv) Glykos and lysis


(iv) Glykos and lysis


Q7. A characteristic of drupe is

(i) fleshy seed coat
(ii) stony pericarp
(iii) stony mesocarp
(iv) stony endocarp


(iv) stony endocarp


Q8. ATP is injected in cyanide poisoning because it is:

(i) necessary for cellular functions
(ii) necessary for Na+ – K+ pump
(iii) Na+ – K+ pump operates at the cell membranes
(iv) ATP breaks down cyanide


(i) necessary for cellular functions


Q9. NADH produced in the mitochondrial matrix during citric acid cycle are oxidised by an NADH dehydrogenase

(i) Complex I
(ii) Complex II
(iii) Complex III
(iv) Complex IV


(i) Complex I


Q10. Chioroplast DNA or ct DNA is

(i) Naked
(ii) Circular
(iii) Single stranded
(iv) All of these


(iv) All of these


Q11. Complete oxidation of 1 gm mol of glucose gives rise to

(i) 6860000 cals
(ii) 686000 cals.
(iii) 68600 cals.
(iv) 6860 cals.


(ii) 686000 cals.


Q12. Which enzyme catalyses the reaction below? Pyruvic acid → Carbon dioxide + Ethanol

(i) Pyruvic acid decarboxylase
(ii) Alcohol dehydrogenase
(iii) None of these
(iv) Both of these


(iv) Both of these


Q13. End product of glycolysis is:

(i) acetyl CoA
(ii) pyruvic Acid
(iii) glucose 1-phosphate
(iv) fructose 1-phosphate


(ii) pyruvic Acid


Q14. The following is required both by the process of respiration and photosynthesis

(i) Carbohydrates
(ii) Sunlight
(iii) Chlorophyll
(iv) Cytochromes


(iv) Cytochromes


Q15. Aleurone layer takes part in

(i) protection of delicate embryo
(ii) enzyme synthesis
(iii) transfer of food to cotyledons
(iv) transfer of food from cotyledons to embryo tips


(ii) enzyme synthesis


Q16. Glycolysis takes place in

(i) Cytoplasm
(ii) Chloroplast
(iii) Ribosome
(iv) Mitochondria


(i) Cytoplasm


Q17. The TCA cycle starts with the condensation of acetyl group with

(i) Oxaloacetic acid
(ii) Water to yield citric acid
(iii) (i) and (ii) Both
(iv) None of these


(iii) (i) and (ii) Both


Q18. Photorespiration takes place in

(i) Lvsosomes
(ii) Peroxisomes
(iii) Ribosomes
(iv) Mitochondria


(ii) Peroxisomes


Q19. Oxidative phosphorylation is production of

(i) ATP in photosynthesis
(ii) NADPH in photosynthesis
(iii) ATP in respiration
(iv) NADH in respiration


(iii) ATP in respiration


Q20. The complete oxidation of pyruvate take place in

(i) cell cytoplasm
(ii) inner mitochondrial membrane
(iii) mitochondrial matrix
(iv) nucleus


(iii) mitochondrial matrix


I Think the given NCERT MCQ Questions for class 11 Biology book Chapter 14 Respiration in Plants with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 11 Biology Respiration in Plants MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.


Chapter : 1 The Living World Class 11 MCQ Questions
Chapter : 2 Biological Classification Class 11 MCQ Questions
Chapter : 3 Plant Kingdom Class 11 MCQ Questions
Chapter : 4 Animal Kingdom Class 11 MCQ Questions
Chapter : 5 Morphology of Flowering Plants Class 11 MCQ Questions
Chapter : 6 Anatomy of Flowering Plants Class 11 MCQ Questions
Chapter : 7 Structural Organisation in Animals Class 11 MCQ Questions
Chapter : 8 Cell: The Unit of Life Class 11 MCQ Questions
Chapter : 9 Biomolecules Class 11 MCQ Questions
Chapter : 10 Cell Cycle and Cell Division Class 11 MCQ Questions
Chapter : 11 Transport in Plants Class 11 MCQ Questions
Chapter : 12 Mineral Nutrition Class 11 MCQ Questions
Chapter : 13 Photosynthesis in Higher Plants Class 11 MCQ Questions
Chapter : 14 Respiration in Plants Class 11 MCQ Questions
Chapter : 15 Plant Growth and Development Class 11 MCQ Questions
Chapter : 16 Digestion and Absorption Class 11 MCQ Questions
Chapter : 17 Breathing and Exchange of Gases Class 11 MCQ Questions
Chapter : 18 Body Fluids and Circulation Class 11 MCQ Questions
Chapter : 19 Excretory Products and their Elimination Class 11 MCQ Questions
Chapter : 20 Locomotion and Movement Class 11 MCQ Questions
Chapter : 21 Neural Control and Coordination Class 11 MCQ Questions
Chapter : 22 Chemical Coordination and Integration Class 11 MCQ Questions

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