Certainly! Here are 20 multiple-choice questions (MCQs) about the Fundamental Unit of Life, specifically tailored for Class 9 Biology.
1. What is the basic structural and functional unit of life?
- A) Tissue
- B) Cell
- C) Organ
- D) Organism
2. Which organelle is known as the powerhouse of the cell?
- A) Nucleus
- B) Ribosome
- C) Mitochondria
- D) Chloroplast
3. What structure selectively allows substances to enter and exit the cell?
- A) Cell wall
- B) Plasma membrane
- C) Cytoplasm
- D) Nucleus
4. Which of the following is found only in plant cells?
- A) Cell membrane
- B) Mitochondria
- C) Chloroplast
- D) Ribosome
5. The jelly-like substance inside the cell is called:
- A) Cytoplasm
- B) Nucleoplasm
- C) Chromatin
- D) Stroma
6. Which cell organelle is responsible for protein synthesis?
- A) Lysosome
- B) Ribosome
- C) Golgi apparatus
- D) Endoplasmic reticulum
7. What is the function of the cell wall?
- A) Energy production
- B) Provides shape and support
- C) Protein synthesis
- D) DNA replication
8. Which of the following is NOT a function of the plasma membrane?
- A) Protection
- B) Selective permeability
- C) Energy production
- D) Communication
9. Which organelle is involved in digestion within the cell?
- A) Golgi apparatus
- B) Lysosome
- C) Mitochondria
- D) Ribosome
10. What is the main component of the cell membrane?
- A) Proteins
- B) Carbohydrates
- C) Phospholipids
- D) Nucleic acids
11. Which of the following structures is found in both prokaryotic and eukaryotic cells?
- A) Nucleus
- B) Ribosomes
- C) Mitochondria
- D) Endoplasmic reticulum
12. What is the role of chloroplasts?
- A) Energy production
- B) Photosynthesis
- C) Digestion
- D) Protein synthesis
13. The control center of the cell is:
- A) Cytoplasm
- B) Nucleus
- C) Ribosome
- D) Golgi apparatus
14. What type of cell lacks a true nucleus?
- A) Eukaryotic
- B) Prokaryotic
- C) Plant
- D) Animal
15. What are the tiny structures within cells that perform specific functions called?
- A) Organs
- B) Organelles
- C) Tissues
- D) Systems
16. The semi-permeable membrane surrounding