Plant Cell and Animal Cell MCQs
Plant Cell and Animal Cell – MCQs with Answers & Explanations
Class: CBSE Class 8
Subject: Science
Section: Cell – Structure and Functions
Topic: Plant Cell and Animal Cell MCQs
Board: CBSE Board Examination (Based on NCERT Syllabus)
Subject: Science
Section: Cell – Structure and Functions
Topic: Plant Cell and Animal Cell MCQs
Board: CBSE Board Examination (Based on NCERT Syllabus)
1. The basic unit of life is:
Answer: B. Cell
Explanation: The cell is the smallest structural and functional unit of life capable of carrying out all vital activities.
Explanation: The cell is the smallest structural and functional unit of life capable of carrying out all vital activities.
2. Plant cells have an additional outer covering called:
Answer: C. Cell wall
Explanation: The cell wall is a rigid layer made of cellulose that provides shape, strength, and protection to plant cells.
Explanation: The cell wall is a rigid layer made of cellulose that provides shape, strength, and protection to plant cells.
3. Which organelle is known as the powerhouse of the cell?
Answer: B. Mitochondria
Explanation: Mitochondria release energy from food through respiration, hence called the powerhouse of the cell.
Explanation: Mitochondria release energy from food through respiration, hence called the powerhouse of the cell.
4. Which structure controls all activities of the cell?
Answer: A. Nucleus
Explanation: The nucleus contains genetic material and acts as the control center regulating cell functions.
Explanation: The nucleus contains genetic material and acts as the control center regulating cell functions.
5. Plastids are found in:
Answer: B. Plant cells only
Explanation: Plastids like chloroplasts help in photosynthesis and are absent in animal cells.
Explanation: Plastids like chloroplasts help in photosynthesis and are absent in animal cells.
6. Chlorophyll is present in:
Answer: B. Chloroplast
Explanation: Chlorophyll traps sunlight for photosynthesis inside chloroplasts.
Explanation: Chlorophyll traps sunlight for photosynthesis inside chloroplasts.
7. Large central vacuole is characteristic of:
Answer: B. Plant cell
Explanation: Plant cells have a large vacuole that stores water, food, and wastes and maintains turgidity.
Explanation: Plant cells have a large vacuole that stores water, food, and wastes and maintains turgidity.
8. Which organelle helps in protein synthesis?
Answer: A. Ribosome
Explanation: Ribosomes are called protein factories because they synthesize proteins.
Explanation: Ribosomes are called protein factories because they synthesize proteins.
9. Animal cells lack:
Answer: C. Cell wall
Explanation: Animal cells have only a flexible cell membrane, not a rigid cell wall.
Explanation: Animal cells have only a flexible cell membrane, not a rigid cell wall.
10. Jelly‑like substance inside the cell is:
Answer: A. Cytoplasm
Explanation: Cytoplasm holds organelles and is the site of many metabolic activities.
Explanation: Cytoplasm holds organelles and is the site of many metabolic activities.
11. Shape of animal cells is usually:
Answer: C. Irregular
Explanation: Due to absence of a cell wall, animal cells have variable shapes.
Explanation: Due to absence of a cell wall, animal cells have variable shapes.
12. Which plastid stores food?
Answer: C. Leucoplast
Explanation: Leucoplasts store starch, oils, and proteins in plant cells.
Explanation: Leucoplasts store starch, oils, and proteins in plant cells.
13. Outer boundary of animal cell:
Answer: B. Cell membrane
Explanation: It regulates movement of substances in and out.
Explanation: It regulates movement of substances in and out.
14. Site of photosynthesis:
Answer: C. Chloroplast
Explanation: Chloroplasts capture sunlight to make food.
Explanation: Chloroplasts capture sunlight to make food.
15. Which organelle digests wastes?
Answer: A. Lysosome
Explanation: Lysosomes contain digestive enzymes and are called suicide bags.
Explanation: Lysosomes contain digestive enzymes and are called suicide bags.
16. Genetic material is present in:
Answer: B. Nucleus
Explanation: DNA inside nucleus controls heredity.
Explanation: DNA inside nucleus controls heredity.
17. Plant cells are generally:
Answer: C. Rectangular
Explanation: Cell wall provides fixed rectangular shape.
Explanation: Cell wall provides fixed rectangular shape.
18. Organelle absent in plant cell:
Answer: C. Centriole
Explanation: Centrioles are typical of animal cells.
Explanation: Centrioles are typical of animal cells.
19. Fluid inside vacuole:
Answer: B. Cell sap
Explanation: Cell sap stores dissolved substances.
Explanation: Cell sap stores dissolved substances.
20. Which is common to both plant and animal cells?
Answer: C. Nucleus
Explanation: Both cells are eukaryotic and contain nucleus controlling activities.
Explanation: Both cells are eukaryotic and contain nucleus controlling activities.
