Cell organelles are specialized structures within cells that perform specific functions necessary for the survival and proper functioning of the cell. There are various types of organelles present in cells, each with its own unique structure and function.

Some examples of organelles include:

1. Nucleus – contains genetic material (DNA) and regulates gene expression
2. Mitochondria – produces energy (ATP) for the cell through cellular respiration
3. Ribosomes – synthesizes proteins
4. Endoplasmic Reticulum (ER) – synthesizes and modifies proteins and lipids
5. Golgi Apparatus – modifies, sorts, and packages proteins and lipids for transport within or outside the cell
6. Lysosomes – breaks down cellular waste and debris
7. Peroxisomes – breaks down toxic substances within the cell
8. Vacuoles – stores water, nutrients, and waste products in plant cells
9. Chloroplasts – performs photosynthesis in plant cells
10. Cytoskeleton – provides structural support and aids in cell movement

Each organelle has a specific function that contributes to the overall functioning of the cell. Without these organelles, cells would not be able to carry out essential processes necessary for life.

Which organelle is responsible for producing energy for the cell?
A) Mitochondria
B) Ribosomes
C) Endoplasmic reticulum
D) Lysosomes
Answer: A) Mitochondria

Which organelle is responsible for protein synthesis?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Golgi apparatus
Answer: C) Ribosomes

Which organelle is responsible for lipid metabolism?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Endoplasmic reticulum
Answer: D) Endoplasmic reticulum

Which organelle is responsible for modifying, sorting, and packaging proteins and lipids for transport within or outside the cell?
A) Mitochondria
B) Ribosomes
C) Golgi apparatus
D) Lysosomes
Answer: C) Golgi apparatus

Which organelle is responsible for breaking down cellular waste and debris?
A) Mitochondria
B) Ribosomes
C) Golgi apparatus
D) Lysosomes
Answer: D) Lysosomes

Which organelle is responsible for breaking down toxic substances within the cell?
A) Mitochondria
B) Ribosomes
C) Endoplasmic reticulum
D) Peroxisomes
Answer: D) Peroxisomes

Which organelle is responsible for storing and organizing the cell’s genetic material?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Golgi apparatus
Answer: A) Nucleus

Which organelle is responsible for synthesizing and assembling ribosomal RNA?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Nucleolus
Answer: D) Nucleolus

Which organelle is responsible for regulating the transport of molecules between the nucleus and cytoplasm?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Nuclear pores
Answer: D) Nuclear pores

Which organelle provides structural support to the nucleus and may play a role in gene expression?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Nuclear matrix
Answer: D) Nuclear matrix

Which organelle is responsible for producing and transporting lipids?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Endoplasmic reticulum
Answer: D) Endoplasmic reticulum

Which organelle is responsible for producing and modifying proteins?
A) Mitochondria
B) Ribosomes
C) Golgi apparatus
D) Endoplasmic reticulum
Answer: D) Endoplasmic reticulum

Which organelle is responsible for regulating cell growth and division?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Centrosomes
Answer: D) Centrosomes

Which organelle is responsible for providing structural support to the cell and aiding in cell movement?
A) Mitochondria
B) Ribosomes
C) Cytoskeleton
D) Golgi apparatus
Answer: C) Cytoskeleton

Which organelle is responsible for maintaining water balance in plant cells?
A) Mitochondria
B) Ribosomes
C) Vacuoles
D) Lysosomes
Answer: C) Vacuoles