IGCSE Protoctists, prokaryotes and viruses

Which kingdom includes organisms with cells that have no nucleus?

• Bacteria

• Plants

• Viruses

• Protoctists

Cytoplasm is not found in which of the following?

• Viruses

• Prokaryotes

• Protoctists

• Red blood cells

What term describes an animal with a backbone?

Which of the following contains structures surrounded by a protein coat?

• Prokaryotes

• Bacteria

• Viruses

• Protoctists

Identify the structure in the image that allows it to move

• Cell membrane

• Spike protein

• Flagellum

• Nucleus

Which kingdom includes organisms that feed using a feeding grove?

• Protoctists

• Bacteria

• Animals

• Fungi

Algae are able to photosynthesize as that have which structure?

• Mitochondria

• Nucleus

• Ribosomes

• Chloroplast

Which type of invertebrate has six legs?

• Arachnid

• Insect

• Myriapod

• Crustacea

Identify the function of cell membrane that surrounds bacteria and protoctists

• Protein synthesis

• Contains genetic information

• Aerobic respiration

• Control movement of substance into and out of the cell

State the structure that contains genetic information in protoctists