Homework Practice

Printable assignment

Transportation in Animals and Plants: Core Ideas

Start with Concepts

Question 1mcq

Which blood component mainly carries oxygen from the lungs to body cells?

A.Red blood cells

B.White blood cells

C.Platelets

D.Plasma only

Question 2mcq

Which blood component helps the body fight infections?

A.Red blood cells

B.White blood cells

C.Platelets only

D.Water vapour

Question 3mcq

Which component helps blood clot at a wound?

A.Plasma alone

B.Ureter

C.Platelets

D.Xylem

Question 4mcq

What is plasma mainly responsible for?

A.Pumping blood like the heart

B.Making leaves green

C.Producing urine in the bladder

D.Transporting dissolved substances through blood

Question 5mcq

A student says platelets carry oxygen because they are in blood. What is the correction?

A.Red blood cells carry oxygen; platelets help clotting.

B.Platelets digest food in the stomach.

C.White blood cells carry all oxygen.

D.Plasma is a type of bone.

Use the Ideas

Question 6mcq

If a person has very low white blood cell count, which function may be most affected?

A.Carrying xylem sap

B.Fighting infections

C.Making soil humus

D.Opening stomata

Question 7mcq

Which blood vessels usually carry blood away from the heart?

A.Veins

B.Capillaries only

C.Arteries

D.Ureters

Question 8mcq

Which vessels have very thin walls for exchange of materials with tissues?

A.Arteries only

B.Veins only

C.Urethra

D.Capillaries

Question 9mcq

Why is the heart called a pump?

A.It pushes blood through blood vessels.

B.It filters urine from blood.

C.It makes food in leaves.

D.It stores bile for digestion.

Question 10mcq

A diagram shows blood moving from heart to a leg muscle, then through tiny vessels, then back to heart. Which tiny vessels allow exchange in the muscle?

A.Ureters

B.Capillaries

C.Bronchi

D.Xylem tubes