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Unicus Olympiad Exams

What are the Roles of Roots, Stems, and Leaves in a Plant?

Roots, stems, and leaves are important parts of a plant, and each has a special job. Roots help the plant stay in the ground and take in water and nutrients from the soil. Stems support the plant and carry water and nutrients to the leaves. Leaves help the plant make food using sunlight, air, and water.

Example: The roots of a carrot grow underground to hold the plant and gather food. The stem of a sunflower stands tall to bring water to its leaves. The leaves of a spinach plant soak up sunlight to make food.

Fun Fact: Plants can't move, but they can grow tall and wide to reach for sunlight and water!

Multiple Choice Questions:

1. What do roots do for a plant?

a) They help the plant breathe

b) They keep the plant in place and get water

c) They make food

d) They produce flowers

2. What is the job of a stem?

a) Help the plant breathe

b) Make flowers

c) Support the plant and carry water

d) Produce seeds

3. What do leaves do for a plant?

a) They grow in the soil

b) They are the plant's food factories

c) They hold the plant up

d) They make seeds

4. Why are roots important to a plant?

a) They catch sunlight

b) They take in water and nutrients

c) They help plants grow taller

d) They make leaves

5. What grows on the stems of plants?

a) Flowers and leaves

b) Water and soil

c) Roots and seeds

d) Sunlight and darkness

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