TOPIC 1 CELLS MCQs Exercise 1

Which organelle is the control center of the cell?

• Mitochondria

• Lysosome

• Nucleus

• Cytoplasm

A________________is a group of similar cells that work together to perform a specific function.

• organ

• organism

• tissue

• organ system

Which statement is not part of the cell theory?

• All cells have a nucleus.

• All cells come from preexisting cells.

• All living things have one or more cells.

• Cells are a living thing's basic unit of structure and function.

Which of these structures are present in plant cells, but not animal cells?

• cell wall and cell membrane

• cell membrane and mitochondria

• cell wall and chloroplasts

• mitochondria and chloroplasts

An organelle is:

• a strong, supporting layer around the cell membrane in some cells

• an internal membrane system found only in eukaryotic cells

• a specialized structure that performs important cellular functions within a cell

• in a cell; it's a structure that contains the cell's genetic material in the form of DNA

The nucleus contains nearly all the cell's __________.

• Ribosomes

• DNA

• Lysosomes

• Mitochondria

Proteins are assembled on ____________.

• ribosomes

• the nuclear membrane

• on the cell wall

• lysosomes

___________ "stores" materials like waste, water, salts, proteins, and carbohydrates.

• Microfilaments

• Microtubules

• Vacuoles

• Golgi Apparatus

Organelles found in plants that capture the energy from sunlight and convert it into chemical energy stored in food during photosynthesis are known as ____________.

• Chloroplasts

• Lysosomes

• Vacuoles

• Mitochondria

The ____________ is known as the "power house" of the cell and is found in both plant and animal cells and converts sugars into energy.

• ribosome

• golgi apparatus

• mitochondria

• vacuole