What is an organelle?

• A cell's command centre

• A specialised structure within a cell that performs a specific function

• A network of protein filaments

• The gel-like fluid inside the cell

Which of the following is NOT an example of an organelle?

• Nucleus

• Ribosome

• Cytosol

• Mitochondria

What is the primary function of the nucleus?

• Providing energy to the cell

• Storing the cell's DNA and controlling its activities

• Digesting waste materials

• Synthesising proteins

The organelle found inside the nucleus is (a)   .

• Ribosome
• Nucleolus
• Mitochondria
• Golgi Apparatus

What is the primary role of the cell membrane?

• Providing shape to plant cells

• Controlling entry and exit of nutrients and toxins

• Producing energy through photosynthesis

• Breaking down waste materials

The cell membrane is made of:

• Protein filaments

• Plasma

• Digestive enzymes

• Glucose molecules

Where is the cell wall found?

• In animal cells only

• In both animal and plant cells

• In plant cells only

• In the nucleus of all cells

What is the function of the cell wall?

• Synthesising proteins

• Providing the cell with shape and support

• Controlling entry and exit of substances

• Generating energy

Match the following cell organelles with their functions.

• Chloroplasts

• Producing energy from sunlight through photosynthesis

• Lysosomes

• Breaking down waste materials

• Vacuoles

• Storing nutrients

• Cell wall

• Providing protection for the cell

Chloroplasts are found in:

• Animal cells

• Plant cells

• All cells

• Prokaryotic cells only