11th Class Biology Chapter 11 MCQs with Answers

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11th Class Multiple Choice Question Chapter 11 with Answers Free PDF

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Grade 11 Biology Chapter 11 Online Quiz

By presenting 3 options to choose from, 11th Class Biology Chapter 11 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 11th Class Questions and Answers and click over the correct answer.

• Test Name: 11th Class Biology Chapter 11 Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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11th Class Biology Chapter 11: Bioenergeties

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1 / 40

What is the primary function of carbohydrates in living organisms?

Energy source

Structural support

Genetic material

2 / 40

Which of the following is NOT a primary source of energy for living organisms?

Fats

Glucose

Sunlight

3 / 40

Which molecule is the initial substrate for glycolysis?

ATP

Pyruvate

Glucose

4 / 40

Which molecule is produced during the light-dependent reactions of photosynthesis?

Oxygen

ATP

Glucose

5 / 40

In cellular respiration, which molecule is oxidized to produce ATP?

Oxygen

Carbon dioxide

Glucose

6 / 40

What is the primary process by which autotrophic organisms convert sunlight into chemical energy?

Respiration

Fermentation

Photosynthesis

7 / 40

What is the term for the specific region of an enzyme where the substrate binds?

Substrate site

Inactive site

Active site

8 / 40

Which of the following is NOT a type of lipid?

Triglycerides

Steroids

Monosaccharides

9 / 40

Which of the following is NOT a coenzyme?

NADH

FAD

ATP

10 / 40

What is the primary function of ATP in living organisms?

Energy storage and transfer

Structural support

Genetic information

11 / 40

What is the final electron acceptor in the electron transport chain during cellular respiration?

Glucose

Oxygen

Carbon dioxide

12 / 40

Which of the following is NOT a component of a nucleotide?

Amino acid

Nitrogenous base

Phosphate group

13 / 40

What is the primary function of enzymes in living organisms?

Structural support

Store genetic information

Catalyze reactions

14 / 40

Which of the following factors can affect enzyme activity?

Temperature

pH

Substrate concentration

15 / 40

Which of the following is NOT a characteristic of enzymes?

Change in pH affects activity

Highly specific

Non-reusable

16 / 40

Which of the following is NOT a product of cellular respiration?

Carbon dioxide

Glucose

ATP

17 / 40

What is the primary function of chlorophyll in photosynthesis?

Store glucose

Produce ATP

Absorb light energy

18 / 40

What is the primary function of coenzymes in enzyme-catalyzed reactions?

Store genetic information

Structural support

Facilitate enzyme activity

19 / 40

Which of the following is NOT a product of the light-dependent reactions in photosynthesis?

ATP

Glucose

Oxygen

20 / 40

Which of the following is NOT a component of a nucleotide?

Nitrogenous base

Amino acid

Phosphate group

21 / 40

Which of the following is a product of the Krebs cycle?

Carbon dioxide

NADH

ATP

22 / 40

What is the primary function of ATP synthase in cellular respiration?

Electron transport

ATP production

Carbon fixation

23 / 40

What is the primary function of lipids in living organisms?

Energy storage

Insulation

Enzyme activity

24 / 40

What is the primary function of proteins in living organisms?

Enzyme activity

Structural support

Energy storage

25 / 40

What is the overall equation for aerobic cellular respiration?

Glucose → ATP + Carbon dioxide + Water

Glucose + Oxygen → ATP + Carbon dioxide + Water

Glucose + Water → ATP + Carbon dioxide

26 / 40

Which of the following is NOT a product of the light-dependent reactions in photosynthesis?

Glucose

Oxygen

ATP

27 / 40

During which stage of cellular respiration is the majority of ATP produced?

Glycolysis

Krebs cycle

Electron transport chain

28 / 40

What is the primary pigment involved in photosynthesis?

Chlorophyll

Carotenoids

Phycobilins

29 / 40

What is the primary pigment involved in photosynthesis?

Chlorophyll

Carotenoids

Phycobilins

30 / 40

Which of the following is NOT a monosaccharide?

Glucose

Sucrose

Fructose

31 / 40

Which organelle is responsible for cellular respiration in eukaryotic cells?

Nucleus

Mitochondria

Chloroplast

32 / 40

What is the primary function of nucleic acids in living organisms?

Enzyme activity

Energy storage

Genetic material

33 / 40

Which of the following is NOT a nucleic acid?

Glucose

DNA

RNA

34 / 40

What is the primary function of the Calvin cycle in photosynthesis?

Oxygen release

ATP production

Carbon fixation

35 / 40

What is the net gain of ATP molecules produced during glycolysis?

6

4

2

36 / 40

Which molecule is commonly referred to as the "building blocks" of carbohydrates?

Amino acids

Glucose

Fatty acids

37 / 40

What is the primary function of lipids in living organisms?

Energy storage

Enzyme activity

Insulation

38 / 40

In photosynthesis, where do the light-dependent reactions take place?

Thylakoid membrane

Chloroplast

Stroma

39 / 40

Which molecule is commonly referred to as the "energy currency" of the cell?

RNA

DNA

ATP

40 / 40

What is the primary function of proteins in living organisms?

Structural support

Energy storage

Enzyme activity

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