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, 🧠 CELL BIOLOGY MCQs
1. Which structure controls all cell activities?
A) Cytoplasm
B) Nucleus
C) Ribosome
D) Cell membrane
2. The fluid part inside cell is called:
A) Cytoplasm
B) Nucleoplasm
C) Cell wall
D) Chloroplast
3. Powerhouse of cell is:
A) Nucleus
B) Ribosome
C) Mitochondria
D) Golgi body
4. Cell membrane is mainly composed of:
A) Cellulose
B) Lipids and proteins
C) Starch
D) DNA
5. Ribosomes are responsible for:
A) Lipid production
B) Protein synthesis
C) Energy storage
D) Waste removal
6. Plant cell wall is made of:
A) Protein
B) Cellulose