NCERT CLASS 11 | TOPIC : PLANT PHYSIOLOGY-RESPIRATION | QB-2 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : PLANT PHYSIOLOGY-RESPIRATION | QB-2 | NEET BIOLOGY ONLINE TEST

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It contains 31 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com

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1 ➤ 98. Assertion: Glycolysis occurs in cytoplasm.

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Reason: Enzymes for glycolysis are found in cytoplasm.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

2 ➤ 99. Assertion: Power house of cell is mitochondria.

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Reason: ATP is produced in mitochondria.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

3 ➤ 100. Assertion: The inner membrane of mitochondria contains enzymes of Kreb’s cycle

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Reason: The mitochondrial matrix contains systems involving electron transport.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

4 ➤ 101. Assertion: Respiration is an amphibolic pathway.

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Reason: Respiratory pathway is involved in both catabolism and anabolism.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

5 ➤ 102. Assertion: The breakdown of glucose to pyruvic acid is called glycolysis.

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Reason: For complete oxidation of glucose organism adopt Kreb’s cycle.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

6 ➤ 103. Assertion: Substrate level phosphorylation is present in glycolysis.

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Reason: Substrate level phosphorylation causes synthesis of ATP.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

7 ➤ 104. Assertion: Under anaerobic conditions, pyruvate gives rise to lactate in some bacteria.

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Reason: Under anaerobic condition, pyruvate gives rise to acetyl-CoA.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

8 ➤ 105. Assertion: When carbohydrates are used as substrate and are completely oxidized, the RQ will be 1.

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Reason: Equal amount of CO2 and O2 are evolved and consumed during the above process.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

9 ➤ 106. Assertion: In ETS the ultimate acceptor of electrons is O2.

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Reason: Substrate level phosphorylation also occurs in Kreb’s cycle.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

10 ➤ 107. Assertion: F1 particles are present in the inner mitochondrial membrane.

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Reason: The passage of protons through the channel is coupled to the catalytic site of the F1component for the production of ATP.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

11 ➤ 108. Assertion: Food has to be translocated to all non green parts of plant.

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Reason: Non-green part can’t synthesize their food.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

12 ➤ 109. Assertion: Glucose is a respiratory substrate.

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Reason: Glucose is oxidised during process of cellular respiration.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

13 ➤ 110. Assertion: In cellular respiration, energy from respiratory substrate released in single step.

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Reason: Only one enzyme is used for respiration.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

14 ➤ 111. Assertion: ATP acts as energy currency of cell.

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Reason: ATP broken down whenever and wherever energy needs to be utilized.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

15 ➤ 112. Assertion: Plants only posses lenticels for gaseous exchange.

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Reason: Plants are devoid of stomata.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

16 ➤ 113. Assertion: Oxidation of glucose occurs in multiple steps.

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Reason: It enables released energy can be coupled to ATP synthesis.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

17 ➤ 114. Assertion: Glycolysis is referred as EMP pathway

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Reason: The scheme of glycolysis was given by Embden, Meyerhof and Parnas.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

18 ➤ 115. Assertion: In glycolysis glucose undergo partial oxidation

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Reason: In glycolysis CO2 is formed at the end.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

19 ➤ 116. Assertion: Kerb’s cycle is referred as aerobic respiration

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Reason: In Kerb’s cycle glucose is completely oxidised to CO2 and H2O

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

20 ➤ 117. Assertion: Oxidation of one molecule of NADH gives rise to 3 ATP molecules.

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Reason: Oxidation of one molecule of FADH2 gives rise to 2 ATP molecules.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

21 ➤ 118. Assertion: Fermentation and aerobic respiration generate different amount of ATP.

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Reason: Fermentation leads to partial breakdown of glucose where as aerobic respiration lead to complete breakdown of glucose into CO2 and H2O which generate more amount of energy.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

22 ➤ 119. Assertion: Respiratory pathway now a day called as amphibolic pathway.

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Reason: Respiratory pathway is involved in both catabolism and anabolism.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

23 ➤ 1. The ultimate electron acceptor of respiration in an aerobic organism is

(a) Cytochrome (b) Oxygen (c) Hydrogen (d) Glucose

24 ➤ 2. Phosphorylation of glucose during glycolysis is catalysed by

(a) Phosphoglucomutase (b) Phosphoglucoisomerase (c) Hexokinase (d) Phosphorylase

25 ➤ 3. Pyruvic acid, the key product of glycolysis, can have many metabolic fates. Under aerobic condition it forms

(a) Lactic acid (b) CO2 + H2O (c) Acetyl CoA + CO2 (d) Ethanol + CO2

26 ➤ 4. Electron Transport System (ETS) is located in the mitochondrial

(a) Outer membrane (b) Inter membrane space (c) Inner membrane (d) Matrix

27 ➤ 5. Which of the following exhibits the highest rate of respiration?

(a) Growing shoot apex (b) Germinating seed (c) Root tip (d) Leaf bud

28 ➤ 6. Choose the correct statement:

(a) Pyruvate is formed in the mitochondrial matrix. (b) During the conversion of succinyl Co-A to succinic acid a molecule of ATP is synthesized. (c) Oxygen is vital in respiration for removal of hydrogen. (d) There is complete breakdown of glucose in fermentation

29 ➤ 7. Mitochondria are called powerhouses of the cell. Which of the following observations supports this statement?

(a) Mitochondria synthesise ATP. (b) Mitochondria have a double membrane. (c) The enzymes of the Krebs cycle and the cytochromes are found in mitochondria. (d) Mitochondria are found in almost all plants and animal cells.

30 ➤ 8. The end product of oxidative phosphorylation is

(a) NADH (b) Oxygen (c) ADP (d) ATP + H2O

31 ➤ 9. Match the following

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(A) Molecular oxygen (i) α – Ketoglutaric acid

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(B) Electron acceptor (ii) Hydrogen acceptor

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(C) Pyruvate dehydrogenase (iii) Cytochrome C

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(D) Decarboxylation (iv) Acetyl CoA

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(a) (A) – (ii), (B) – (iii), (C) – (iv), (D) – (i) (b) (A) – (iii), (B) – (iv), (C) – (ii), (D) – (i) (c) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv) (d) (A) – (iv), (B) – (iii), (C) – (i), (D) – (ii)

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