Biology Quiz

What is the basic structural unit of a living organism?

• Tissue

• Organ

• Cell

• Organ system

Which organelle is responsible for photosynthesis in plant cells?

• Mitochondria

• Ribosomes

• Nucleus

• Chloroplasts

What is the primary function of the mitochondria?

• Protein synthesis

• Genetic material storage

• Aerobic respiration

• Photosynthesis

What substance makes up the cell wall in plant cells?

• Protein

• Lipid

• Cellulose

• Chitin

Which structure is found only in plant cells and contains cell sap?

• Chloroplast

• Mitochondria

• Permanent vacuole

• Cell membrane

What is the primary function of specialized cells in organisms?

• To perform general functions similar to all other cells

• To perform specific functions due to their unique characteristics

• To replicate DNA

• To provide structural support to tissues

What process allows cells to gain new sub-cellular structures suited for specific roles?

• Mitosis

• Differentiation

• Photosynthesis

• Respiration

Which type of specialized cells are responsible for carrying the male’s DNA to the egg cell in animals?

• Nerve cells

• Muscle cells

• Sperm cells

• Root hair cells

What is a unique feature of nerve cells that aids in their function?

• Ability to contract quickly

• Presence of a streamlined head and long tail

• Long axons to transmit electrical signals over distances

• Large surface area due to root hairs

What is stored in muscle cells that aids in their function during respiration?

• Neurotransmitters

• Glycogen

• DNA

• Chlorophyll