Transport in plants and animals

Question 1

Why do plants need roots?

Answer 1

To absorb water and minerals.
To support the plant in the soil.
To transport water and minerals to the other parts of the plant.

Question 2

Examples of edible roots :

Answer 2

Carrots
Potato
Radish

Question 3

Equation for photosynthesis :

Answer 3

CO2 + H2O Light
——————> Glucose + O2
Chlorophyll

Question 4

What are the ways we use plants for our daily use?

Answer 4

Food
Medicine
Clothing
Tea

Question 5

Equation for respiration :

Answer 5

C6H12O6 + 6O2 → 6CO2 + 6H2O

Glucose + O2 ———-> Carbon dioxide + water

Question 6

What is chloroplast?

Answer 6

Green pigment

Question 7

Osmosis :

Answer 7

Absorbtion of water

Question 8

Vacuole :

Answer 8

Concentration of water

Question 9

Biomass :

Answer 9

Renewable organic material that comes from plants and animals.

Question 10

Structure of arteries :

Answer 10

Large and strong

Question 11

Structure of capillaries :

Answer 11

Tiny and thin

Question 12

Structure of veins :

Answer 12

Large and hollow

Question 13

Function of arteries :

Answer 13

Carries blood away from the heart and into the organs.

Question 14

Function of capillaries :

Answer 14

Exchange of substance

Question 15

Function of veins :

Answer 15

Carries blood towards the heart and away from the organs.

Question 16

Function of red blood vessels :

Answer 16

Carried 02 from the lungs to the other parts of the body.

Question 17

Function of plasma :

Answer 17

Takes the nutrient to the parts of the body where it needs to be.

Question 18

Function of white blood cells :

Answer 18

Helps the body fight diseases.

Question 19

Function of platelets :

Answer 19

To stop bleeding.

Question 20

What is the respiratory system

Answer 20

Organs that help to get O2 from the air into our blood and get rid of CO2 make the respiratory system.

Question 21

Colour of oxygenated blood :

Answer 21

Bright red

Question 22

Colour of de - oxygenated blood :

Answer 22

Blackish red

Question 23

Define oxygenated blood :

Answer 23

A blood cell that has a high amount of O2 and a low amount of CO2.

Question 24

Define de - oxygenated blood :

Answer 24

A blood cell that has a high amount of CO2 and a low amount of O2.