11th Class Biology Chapter 1 MCQs with Answers

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Grade 11 Biology Chapter 1 Online Quiz

By presenting 3 options to choose from, 11th Class Biology Chapter 1 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 1 Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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11th Class Biology Chapter 1: Introduction to Biology

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1 / 40

Which molecule stores genetic information in cells?

Protein

DNA

RNA

2 / 40

Which of the following is NOT a characteristic of eukaryotic cells?

Lack of nucleus

Membrane-bound organelles

DNA enclosed in nucleus

3 / 40

What is the function of the endoplasmic reticulum in a cell?

Energy production

Lipid synthesis

Protein synthesis and transport

4 / 40

What is the role of enzymes in biological reactions?

Catalysts

Structural components

Energy source

5 / 40

Which of the following is NOT a component of the cell membrane?

Proteins

Phospholipids

Nucleus

6 / 40

The movement of water across a semipermeable membrane is called ____________.

Active transport

Diffusion

Osmosis

7 / 40

Which of the following is a characteristic of prokaryotic cells?

Presence of cell wall

Presence of nucleus

Lack of membrane-bound organelles

8 / 40

Which of the following is NOT a type of RNA?

tRNA

DNA

mRNA

9 / 40

What is the function of the mitochondria in a cell?

Waste elimination

Protein synthesis

ATP production

10 / 40

What is the function of the nucleus in a cell?

Contains genetic material

Protein synthesis

Energy production

11 / 40

What is the energy currency of the cell?

ATP (Adenosine triphosphate)

DNA

RNA

12 / 40

The study of the structure, function, and behavior of living organisms is called ____________.

Physics

Chemistry

Biology

13 / 40

Which of the following is a polysaccharide found in plant cell walls?

Chitin

Glycogen

Cellulose

14 / 40

The process by which cells grow and develop is called ____________.

Cell division

Differentiation

Reproduction

15 / 40

Which organelle is responsible for protein synthesis in a cell?

Ribosome

Golgi apparatus

Nucleus

16 / 40

Which scientist is credited with the discovery of the structure of DNA?

Gregor Mendel

Rosalind Franklin

James Watson

17 / 40

Which organelle is responsible for detoxifying harmful substances in a cell?

Lysosome

Smooth endoplasmic reticulum

Vacuole

18 / 40

The cell theory states that all living organisms are composed of ___________.

Proteins

Organs

Cells

19 / 40

What is the function of lysosomes in a cell?

Synthesize proteins

Break down waste materials

Produce energy

20 / 40

The process by which cells take in nutrients from their environment is called ____________.

Exocytosis

Osmosis

Endocytosis

21 / 40

What is the function of chlorophyll in chloroplasts?

Synthesizes proteins

Produces ATP

Captures light energy

22 / 40

Which of the following is an example of a prokaryotic cell?

Bacteria

Plant cell

Animal cell

23 / 40

Which cellular structure regulates the passage of materials into and out of the cell?

Cell membrane

Cell wall

Nucleus membrane

24 / 40

What is the primary function of DNA in cells?

Stores genetic information

Regulates cellular processes

Catalyzes reactions

25 / 40

Which of the following is NOT a kingdom in the classification of living organisms?

Plantae

Rodentia

Fungi

26 / 40

The genetic material of a cell is found in the ____________.

Golgi apparatus

Nucleus

Endoplasmic reticulum

27 / 40

Which of the following is NOT a characteristic of living organisms?

Ability to reproduce

Ability to move

Ability to grow

28 / 40

The process by which cells replicate their DNA is called _______.

DNA replication

Transcription

Translation

29 / 40

The process by which cells break down glucose to release energy is called ____________.

Fermentation

Cellular respiration

Photosynthesis

30 / 40

The process by which cells specialize to perform specific functions is called ____________.

Evolution

Differentiation

Reproduction

31 / 40

The basic unit of structure and function in living organisms is the ___________.

Organ

Cell

Tissue

32 / 40

Which organelle is responsible for energy production in a cell?

Nucleus

Ribosome

Mitochondria

33 / 40

What is the function of the Golgi apparatus in a cell?

Protein modification and packaging

Lipid synthesis

Energy production

34 / 40

Which of the following is an example of a unicellular organism?

Dog

Amoeba

Human

35 / 40

What is the function of the cell wall in plant cells?

Energy production

Provides structural support

Regulates passage of materials

36 / 40

Which of the following is NOT a function of proteins in living organisms?

Enzyme catalysis

Structural support

Energy storage

37 / 40

What is the function of the vacuole in plant cells?

Energy production

Storage of water and nutrients

Protein synthesis

38 / 40

Which of the following is NOT a function of the cytoskeleton?

DNA synthesis

Cell shape maintenance

Cell movement

39 / 40

What is the role of ribosomes in protein synthesis?

Lipid digestion

DNA replication

Protein assembly

40 / 40

What is the main function of chloroplasts in plant cells?

Protein synthesis

Photosynthesis

Cellular respiration

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