Which common everyday substance is used to test for the presence of starch in food by turning blue-black?

Which cold-blooded vertebrate group lives entirely in water breathing through gills throughout its life?

Which common everyday substance is used to test for the presence of glucose in food and turns brick-red when heated?

Which warm-blooded animal group nourishes its young with milk and typically gives birth to live young?

Which common household chemical is produced when electricity is passed through brine in a process called chlor-alkali?

Which cold-blooded animal group is covered in scales breathes air through lungs and lays eggs on land?

Which everyday observation shows that pressure in a gas increases as temperature increases at constant volume?

Which type of animal can live both on land and in water, such as frogs and toads?

Which organ in the human body stores and concentrates urine before it is excreted?

Which animal group lacks a backbone and includes insects worms and molluscs?

Which type of teeth erupt last in humans typically between ages 17 and 25 and are commonly called wisdom teeth?