11. Which organelle contains digestive enzymes?
A) Lysosome
B) Nucleus
C) Vacuole
D) Chloroplast
Answer: A) Lysosome
12. The fluid inside the nucleus is called:
A) Cytoplasm
B) Nucleoplasm
C) Protoplasm
D) Cell sap
Answer: B) Nucleoplasm
13. Endoplasmic reticulum helps in:
A) Cell division
B) Transport of materials
C) Photosynthesis
D) Digestion
Answer: B) Transport of materials
14. The Golgi apparatus mainly functions in:
A) Energy production
B) Packaging and secretion
C) Respiration
D) Movement
Answer: B) Packaging and secretion
15. The large central vacuole is commonly found in:
A) Animal cells
B) Plant cells
C) Bacterial cells
D) Fungal cells
Answer: B) Plant cells
16. Prokaryotic cells lack:
A) Cytoplasm
B) Ribosomes
C) True nucleus
D) Cell membrane
Answer: C) True nucleus
17. DNA in eukaryotic cells is located in the:
A) Cytoplasm
B) Ribosome
C) Nucleus
D) Lysosome
Answer: C) Nucleus
18. Which structure controls movement of substances in and out of the cell?
A) Cell membrane
B) Cell wall
C) Nucleolus
D) Vacuole
Answer: A) Cell membrane
19. Centrosome is mainly present in:
A) Plant cells
B) Animal cells
C) Bacterial cells
D) Fungal cells
Answer: B) Animal cells
20. The site of cellular respiration is:
A) Ribosome
B) Mitochondria
C) Nucleus
D) Golgi body
Answer: B) Mitochondria
21. Chromosomes are found in the:
A) Cytoplasm
B) Nucleus
C) Vacuole
D) Mitochondria
Answer: B) Nucleus
22. Which cell organelle is absent in bacteria?
A) Ribosome
B) Cell membrane
C) Nucleus
D) Cytoplasm
Answer: C) Nucleus
23. The selectively permeable structure of the cell is:
A) Cell wall
B) Cell membrane
C) Cytoplasm
D) Nucleolus
Answer: B) Cell membrane
24. Plastids are found in:
A) Animal cells
B) Plant cells
C) Human cells
D) Bacterial cells
Answer: B) Plant cells
25. Which plastid gives green color to plants?
A) Chromoplast
B) Leucoplast
C) Chloroplast
D) Amyloplast
Answer: C) Chloroplast
26. Smooth endoplasmic reticulum helps in:
A) Protein synthesis
B) Lipid synthesis
C) Photosynthesis
D) Digestion
Answer: B) Lipid synthesis
27. Rough endoplasmic reticulum has:
A) Vacuoles
B) Ribosomes
C) Lysosomes
D) Chromosomes
Answer: B) Ribosomes
28. The nucleolus is responsible for:
A) Ribosome formation
B) Energy production
C) Cell movement
D) Digestion
Answer: A) Ribosome formation
29. The rigid outer covering of plant cells is made of:
A) Protein
B) Lipid
C) Cellulose
D) Starch
Answer: C) Cellulose
30. The term “protoplasm” refers to:
A) Cell wall only
B) Nucleus only
C) Cytoplasm + Nucleus
D) Ribosomes only
Answer: C) Cytoplasm + Nucleus