Exploring Biology: Cells and Systems

What is the primary function of the mitochondria in a cell?

• Protein synthesis

• Energy production

• Photosynthesis

• Cell division

Which of the following is NOT a part of the circulatory system?

• Heart

• Lungs

• Arteries

• Veins

Which animal body system is responsible for transporting nutrients and oxygen to cells?

• Digestive system

• Respiratory system

• Circulatory system

• Nervous system

Which of the following is a characteristic of mammals?

• Laying eggs

• Having feathers

• Producing milk

• Having scales

What is the correct order of taxonomic groups from broadest to most specific?

• Kingdom, Phylum, Class, Order, Family, Genus, Species

• Phylum, Kingdom, Class, Order, Family, Genus, Species

• Kingdom, Class, Phylum, Order, Family, Genus, Species

• Class, Kingdom, Phylum, Order, Family, Genus, Species

Which organelle is responsible for photosynthesis in plant cells?

• Mitochondria

• Ribosome

• Chloroplast

• Nucleus

What is the main function of the human skeletal system?

• Digestion

• Support and protection

• Circulation

• Respiration

Which of the following animals is classified as a reptile?

• Frog

• Eagle

• Crocodile

• Whale

What is the primary role of red blood cells in the human body?

• Fighting infections

• Carrying oxygen

• Clotting blood

• Producing hormones

Which taxonomic group do humans belong to?

• Amphibians

• Reptiles

• Mammals

• Birds