Cell Structure and Function

Which of the following is NOT a feature of chloroplasts?

• Double membrane
• Own DNA
• Own ribosomes
• Contain lysosomes

Which of the following statements about chloroplast DNA is correct?

• It is linear
• It lacks genes
• It cannot replicate
• It is circular

Which of the following is NOT a type of ribosome?

• 70S
• 80S
• 90S
• 60S

Which part of the chloroplast has a high concentration of chlorophyll?

• Stroma
• Grana
• Outer membrane
• Thylakoid membrane

Which cellular structure is involved in maintaining cell shape?

• Nucleus
• Cell wall
• Cell membrane
• Cytoskeleton