SECOND PERIODICAL TEST IN SCIENCE 4

What is the main function of the muscular system?

• Support the body structure

• Move body parts

• Transport nutrients

• Digest food

Which part of the body does the skeletal system protect?

• Brain

• Muscles

• Lungs

• Digestive system

What is the primary function of the digestive system?

• Pump blood

• Breathe in oxygen

• Break down food

• Support bones

Which system is responsible for circulating blood throughout the body?

• Skeletal system

• Digestive system

• Circulatory system

• Respiratory system

How does the skeletal system help the digestive system?

• By breaking down food into smaller pieces.

• By absorbing nutrients from the food we eat.

• By providing a strong structure for the digestive organs.

• By getting rid of waste products from the body.

What is the primary work of the shoot system?

• Store food

• Hold the plant in place

• Absorb sunlight

• Transport nutrients and water

Which system in plants includes stems and leaves?

• Root system

• Shoot system

• Flower system

• Seed system

How does the shoot system help the plant grow?

• Protects roots

• Absorbs water

• Anchors the plant

• Collects sunlight for photosynthesis

Why is it important for plants to have a strong root system?

• They can grow tall and reach sunlight.

• They can attract insects for pollination.

• They can stay upright and not fall over.

• They can store extra water and nutrients.

How do roots help plants survive in dry conditions?

• Roots grow longer to reach deeper water.

• Roots store more water for later use.

• Roots absorb water more quickly from the soil.

• All of the above