Science Test - Lesson 1 & 2

What is the main function of a leaf?

• To make food

• To transport water

• To anchor the plant

• To store nutrients

Which type of root grows straight down?

• Aerial root

• Adventitious root

• Taproot

• Fibrous root

What does the xylem transport?

• Sugar

• Carbon dioxide

• Water and nutrients

• Oxygen

Which substance in leaves captures energy from sunlight?

• Xylem

• Phloem

• Resin

• Chlorophyll

What is the process called where plants use light to make food?

• Respiration

• Photosynthesis

• Transpiration

• Germination

Which plant structure is responsible for taking in water from the soil?

• Flowers

• Roots

• Stems

• Leaves

What is the function of phloem in plants?

• Transporting sugar

• Transporting water

• Anchoring the plant

• Preventing water loss

Which plant structure helps prevent water loss in dry environments?

• Large leaves

• Thin bark

• Soft stems

• Needle-like leaves

What is a thorn?

• A kind of leaf

• A kind of root

• A kind of branch system

• A kind of flower

Which plant is known for having poisonous leaves, flowers, and seeds?

• Cactus

• Foxglove

• Rose

• Oak