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

Find here the NCERT chapter-wise Multiple Choice Questions from Class 11 Biology Book Chapter 14 Respiration in Plants with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Respiration in Plants. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

NCERT Chapters for Class 11 Biology

Q1. 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

Q2. TCA cycle was discovered by

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

(ii) Hans Kreb

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. 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

Q5. Chioroplast DNA or ct DNA is

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

(iv) All of these

Q6. 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

Q7. The following is required both by the process of respiration and photosynthesis

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

(iv) Cytochromes

Q8. Glycolysis takes place in

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

(i) Cytoplasm

Q9. Photorespiration takes place in

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

(ii) Peroxisomes

Q10. The complete oxidation of pyruvate take place in

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

(iii) mitochondrial matrix

Q11. Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH2 in:

(i) respiratory chain
(ii) Krebs cycle
(iii) oxidative decarboxylation
(iv) EMP

(i) respiratory chain

Q12. When one glucose molecule is completely oxidised, it changes:

(i) 36 ADP molecules into 36 ATP molecules
(ii) 38 ADP molecules into 38 ATP molecules
(iii) 30 ADP molecules into 30 ATP molecules
(iv) 32 ADP molecules into 32 ATP molecules

(ii) 38 ADP molecules into 38 ATP molecules

Q13. Chlorophyll ‘a’ is found in all

(i) Oxygen liberation photosvnthetic organisms
(ii) Autotrophs
(iii) Higher plants
(iv) Algae

(i) Oxygen liberation photosynthetic organisms

Q14. Angiosperm pollen is generally released at the

(i) 1 – celled stage
(ii) 2 – celled stage
(iii) 3 – celled stage
(iv) male gamete formation stage

(ii) 2 – celled stage

Q15. 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.

Q16. Maximum amount of energy/ATP is liberated on oxidation of:

(i) fats
(ii) proteins
(iii) starch
(iv) vitamins

(i) fats

Q17. Green plants convert solar energy into chemical energy of organic matter was proved by

(i) Van Mayer
(ii) Lavoisier
(iii) Joseph Priestly
(iv) Semebier

(i) Van Mayer

Q18. Which one of the following describes the spikelet of a cereal or grass plant

(i) inferior ovary
(ii) dehiscent fruit
(iii) pair of glumes
(iv) fused calyx

(iii) pair of glumes

Q19. Cytochromes are concerned with

(i) Protein synthesis
(ii) Cellular digestion
(iii) Cell division
(iv) Cell-respiration

(iv) Cell-respiration

Q20. Cytochromes are concerned with

(i) Protein synthesis
(ii) Cellular digestion
(iii) Cell division
(iv) Cell-respiration

(iv) Cell-respiration

Q21. Herkogamy is a contrivance for

(i) allogamy
(ii) autogamy
(iii) chasmogamy
(iv) cleistogamy

(i) allogamy

Q22. The net gain of ATP during glycolysis is

(i) 4
(ii) 8
(iii) 2
(iv) 6

(ii) 8

Q23. Acetyl CoA combine with oxalo-acetate in presence of condensing enzyme citrate synthase to form 6-C compound called

(i) Malic acid
(ii) Tartaric acid
(iii) Pyruvic acid
(iv) Citric acid

(iv) Citric acid

Q24. Carbon dioxide acceptor in C3 plants is:

(i) RuBP
(ii) RMP
(iii) PGA
(iv) PEP

(i) RuBP

Q25. Out of 36 ATP molecules produced per glucose molecule during respiration

(i) 2 are produced outside glycolysis and 34 during repiratory chain
(ii) 2 are produced outside mitochondria and 34 inside the mitochondria
(iii) all the formed inside mitochondria
(iv) 2 during glycolysis and 34 during kreds cycle

(ii) 2 are produced outside mitochondria and 34 inside the mitochondria

Q26. 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

Q27. Number of oxygen atoms required for aerobic oxidation of one pyruvate

(i) 10
(ii) 8
(iii) 5
(iv) 12

(i) 10

Q28. Photosynthetic process is completed in

(i) Chloroplasts
(ii) Chlorophyll
(iii) Chromatophores
(iv) Mitochondria

(i) Chloroplasts.

Q29. The significant morphological feature of passion flower is the presence of

(i) numerous corolla
(ii) androphore
(iii) gynophore
(iv) androgynophore

(ii) androphore

Q30. Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle pyruvate is changed to:

(i) oxaloacetate
(ii) PEP
(iii) pyruvate
(iv) acetyl CoA

(iv) acetyl CoA

Q31. 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

Q32. 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

Q33. 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

Q34. End product of glycolysis is:

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

(ii) pyruvic Acid

Q35. 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.

Q36. 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

Q37. A characteristic of drupe is

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

(iv) stony endocarp

Q38. The net gain of ATP molecules by glycolysis is

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

(ii) Two

Q39. 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

Q40. The universal hydrogen acceptor is

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

(i) NAD

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