Grade 9 Diagnostic Test

What is photosynthesis?

• The process by which plants make their own food

• The way animals breathe

• How plants grow

• The process of digestion

What do plants need to perform photosynthesis?

• Water, sunlight, and carbon dioxide

• Soil, water, and oxygen

• Sunlight, soil, and sugar

• Air, water, and nitrogen

What gas do plants produce during photosynthesis?

• Carbon dioxide

• Nitrogen

• Oxygen

• Hydrogen

What is the green pigment in leaves called?

• Carotene

• Chlorophyll

• Xanthophyll

• Melanin

Where does the energy for photosynthesis come from?

• The moon

• The wind

• The sun

• The soil

What is the main sugar produced by photosynthesis?

• Fructose

• Lactose

• Glucose

• Sucrose

What is the primary role of chlorophyll in photosynthesis?

• To absorb sunlight

• To produce oxygen

• To store nutrients

• To transport water

Where does digestion begin?

• Stomach

• Mouth

• Small intestine

• Large intestine

What is the function of the stomach in digestion?

• Absorbs nutrients

• Breaks down food with acids and enzymes

• Produces saliva

• Stores bile

Which of these is a good source of protein?

• Bread

• Milk

• Apples

• Pasta