Grade 4 Science Revision Quiz

What is the basic unit or building block of life?

• Organs

• Cells

• Tissues

• Systems

Which of the following is the correct order from smallest to largest?

• Cells → Organs → Tissues → Systems

• Cells → Tissues → Organs → Systems

• Organs → Tissues → Systems → Cells

• Systems → Cells → Organs → Tissues

Which body parts help an animal sense its environment? (Choose all that apply)

• Skin

• Eyes

• Heart

• Tongue

• Nose

What is the function of fur in animals?

• Helps them breathe underwater

• Keeps them warm

• Makes them stronger

• Helps them digest food

Which of the following is the main function of the skeleton?

• Supports and protects the body

• Absorbs water and nutrients

• Helps break down food

• Produces oxygen for breathing

What is the main function of the stomach?

• Pumps blood through the body

• Helps in breathing

• Digests food for energy

• Supports the body structure

Which plant structure absorbs water and nutrients?

• Leaves

• Stem

• Roots

• Flowers

What is the role of the stem in a plant?

• Helps in photosynthesis

• Transports water and nutrients

• Absorbs carbon dioxide

• Stores food

Which part of the plant makes food?

• Roots

• Stem

• Leaves

• Flowers

How do ears help animals survive?

• They detect sounds and danger

• They help in digestion

• They provide energy

• They produce oxygen