21. Which organelle is responsible for the formation of the spindle fibers during cell division?
a) Golgi apparatus
b) Endoplasmic reticulum
c) Centrioles
d) Nucleus
Answer: c) Centrioles
22. Which organelle is responsible for the synthesis and packaging of enzymes?
a) Golgi apparatus
b) Lysosomes
c) Peroxisomes
d) Nucleolus
Answer: a) Golgi apparatus
23. Which organelle is responsible for the synthesis and storage of starches?
a) Golgi apparatus
b) Endoplasmic reticulum
c) Plastids
d) Nucleus
Answer: c) Plastids
24. Which organelle is responsible for the modification and sorting of proteins?
a) Golgi apparatus
b) Ribosomes
c) Lysosomes
d) Mitochondria
Answer: a) Golgi apparatus
25. Which organelle is responsible for the synthesis of steroids and lipids?
a) Golgi apparatus
b) Smooth endoplasmic reticulum
c) Lysosomes
d) Rough endoplasmic reticulum
Answer: b) Smooth endoplasmic reticulum
