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Transport in humans and plants

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which chamber of the heart has the thickest muscle wall?

a)

left atrium

b)

left ventricle

c)

right atrium

d)

right ventricle

2.

What part of the heart delivers unoxygenated blood to the lungs?

a)

Pulmonary artery

b)

Pulmonary vein

c)

Aorta

d)

Left Ventricle

3.

Circulatory system consists of the heart, blood vessels and

a)

White blood cell

b)

Plasma

c)

Blood

d)

platelets

4.

What is the size of a heart?

a)

Closed fist

b)

Hand

c)

Open hand

d)

Closed hand

5.

What is the function of white blood cells?

a)

transport oxygen

b)

fight against infection

c)

clotting

d)

all the above

6.

Phloem helps in the transport of

a)

Food

b)

water

c)

Food and Water

d)

Oxygen

7.

Human heart has -----------chambers

a)

3

b)

2

c)

4

d)

1

8.

Aorta carries oxygenated blood to all parts of the body

a)

True

b)

False

c)

No, pulmonary artery

d)

No, pulmonary vein

9.

Xylem transports

a)

Food

b)

Food and water

c)

Water and minerals

d)

Food, water and minerals

10.
Platelets 
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
11.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
12.

Recall that the movement of food in the phloem is called.

a)

Translocation

b)

Transpiration stream

c)

Evaporation

d)

Respiration

13.

Which of the following indicates the pathway of water through a plant?

a)

root hair cell --> xylem --> stomata

b)

stomata --> root hair cell --> xylem

c)

xylem --> stomata --> root hair cell

14.
Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.
a)
Chlorophyll
b)
Phloem
c)
Stomata
d)
Xylem
15.
Transpiration is
a)
the movement of water through a plant from the roots up the stem
b)
the loss of water from the leaves of a plant by the process of evaporation
c)
the flow of water into plant roots by osmosis from the soil
d)
the process of minerals and sugars moving through plant veins
16.
This is the definition for which word:The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane.
a)
Osmosis
b)
Diffusion
c)
Active transport
d)
Transpiration
17.
Which of these is true?
a)
Xylem vessels carry water and dissolved minerals up the plant
b)
Phloem tissue carry water and dissolved minerals up the plant
c)
Xylem vessels carry dissolved sucrose up and down the plant
18.

Why do veins and the heart have valves?

a)

To stop the backflow of blood

b)

To contract to push the blood under high pressure

c)

To cause the pulse

19.
_______ is made mostly of water and makes up about 55% of the blood
a)
Plasma
b)
Platelets 
c)
Red blood cells
d)
White blood cells
20.

The blood vessels, having thick elastic walls are called-

a)

Arteries

b)

Veins

c)

Capillaries

d)

Atria

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