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
22. Which organelle is responsible for the synthesis and packaging of enzymes?
a) Golgi apparatus
b) Lysosomes
c) Peroxisomes
d) Nucleolus
23. Which organelle is responsible for the synthesis and storage of starches?
a) Golgi apparatus
b) Endoplasmic reticulum
c) Plastids
d) Nucleus
24. Which organelle is responsible for the modification and sorting of proteins?
a) Golgi apparatus
b) Ribosomes
c) Lysosomes
d) Mitochondria
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
