Unit2:Cell Specialization

Multiple Choice

Which of the following is common to both plant and animal cells?

• Cell wall

• Chloroplast

• Nucleus

• Vacuole

Multiple Choice

The function of the cell membrane is to:

• Control all cell activities

• Store food and water

• Support the cell structure

• Regulate movement of substances in and out of the cell

Multiple Choice

Which organelle is responsible for controlling the cell's activities?

• Cytoplasm

• Nucleus

• Mitochondria

• Ribosome

Multiple Choice

Which specialised cell contains haemoglobin to carry oxygen?

• Muscle cell

• Nerve cell

• Red blood cell

• Skin cell

Multiple Choice

Root hair cells are specially adapted to:

• Carry oxygen

• Transport sugars

• Absorb water and minerals

• Photosynthesis

Multiple Choice

What is the correct order of organisation in multicellular organisms?

• Organs → Cells → Tissues → Systems

• Cells → Tissues → Organs → Systems

• Systems → Organs → Tissues → Cells

• Tissues → Systems → Organs → Cells

Multiple Choice

Which of the following is not necessary for photosynthesis?

• Sunlight

• Oxygen

• Chlorophyll

• Carbon dioxide

Multiple Choice

What is the main waste product of photosynthesis?

• Carbon dioxide

• Glucose

• Oxygen

• Water

Multiple Choice

Why are leaves green in colour?

• Because of the presence of cellulose

• Due to chlorophyll

• Due to xylem tissue

• Because of water

Multiple Choice

Which microorganism cannot live on its own and needs a host cell?

• Bacteria

• Fungi

• Protozoa

• Virus

Multiple Choice

What is a vector in disease transmission?

• A virus

• A carrier organism like a mosquito

• A type of medicine

• A kind of bacteria

Multiple Choice

How can you prevent the spread of germs?

• Avoid brushing your teeth

• Always touch your face

• Wash hands regularly

• Eat uncooked food