Ecosystem process

Question 1

What part of a plant absorbs water and nutrients?

Answer 1

Roots

Question 2

Write the word equations for photosynthesis?

Answer 2

carbon dioxide + water = glucose + oxygen

Question 3

Write the symbol equation for photosynthesis

Answer 3

6CO2 + 6H2O = C6H12O6 + 6O2

Question 4

What is the function of stomata?

Answer 4

Gas exchange

Question 5

What is the function of the cuticle on a leaf?

Answer 5

limit waterloss

Question 6

What is the function of guard cells?

Answer 6

Open and close stomata

Question 7

What is the function of the chloroplast?

Answer 7

Site of photosynthesis

Question 8

Name the type of cell in which most photosynthesis occurs

Answer 8

Paliside mesophyll

Question 9

What is transported in xylem ?

Answer 9

water and nutrients

Question 10

State four minerials plants need for healthy growth

Answer 10

Potassium, phosphate, nitrogen and magnesium.

Question 11

Define chemosynthesis

Answer 11

A process where bacteria uses chemical energy to make glucose.

Question 12

Write the word equation for for aerobic respiration

Answer 12

Glucose + oxygen = carbon dioxide + water

Question 13

Write the symbol equation for areobic respiration

Answer 13

C6H12O6 + 6O2 = 6CO2 + 6H2O

Question 14

Name the organelle that is the site of reperation

Answer 14

Mitochondria

Question 15

What is the purpose of respiration ?

Answer 15

To release energy for the cell

Question 16

Write the word equation for anerobic respiration

Answer 16

Glucose = lactic acid

Question 17

Which type of respiration occurs in normal conditions ?

Answer 17

Areobic