Science Third Quarter Exam Study Guide - Grade 2

Plants need several things to grow and stay healthy. Which of the following is NOT one of them?

• Sunlight

• Water

• Nutrients

• Plastic

Explain how plants depend on animals for pollination and seed dispersal.

• Plants depend on animals for pollination and seed dispersal by attracting them with flowers and fruits.

• Plants do not rely on animals for pollination and seed dispersal.

• Animals depend on plants for their own survival, not the other way around.

• Plants and animals have no interaction in terms of pollination and seed dispersal.

Which of the following provides energy for plants to make food?

• Water

• Sunlight

• Air

• Nutrients

Fill in the blank: _______ helps transport nutrients and keeps plants hydrated.

• water

• sunlight

• soil

• air

Plants take in ______ to help make food.

• oxygen

• carbon dioxide

• nitrogen

• hydrogen

Which of the following is found in the soil and helps plants grow?

• Sunlight

• Water

• Nutrients

• Space

Fill in the blank: _______ allows roots and leaves to spread and get what they need.

• soil

• water

• sunlight

• air

What is the function of roots in plants?

• To absorb water and nutrients

• To produce flowers

• To hold the plant in place

• To perform photosynthesis

What happens if a plant does not get what it needs?

• The plant will thrive and grow.

• The plant will remain unchanged.

• The plant will wither and die.

• The plant will produce more flowers.

Which of these does a plant need to grow? (Select all that apply.)

• Sunlight

• Rocks

• Water

• Air

• Fire