2 End of Chapter Questions

Question 0

What is the result of the iodine test for starch?

Answer 0

The regions containing starch will turn blue/black

The regions without starch will look yellow/brown

Question 1

Name the solution used to test a leaf for starch

Answer 1

Iodine solution

Question 2

What is the word equation for photosynthesis?

Answer 2

Carbon dioxide + water -(+ light energy)-> glucose + oxygen

Question 3

Give three physical factors which effect the distribution of plants.

Answer 3

Temperature

Availability of nutrients

Water

Oxygen

Carbon dioxide

Question 4

How can you use a quadrat to make a line transect?

Answer 4

A line is marked between two points and then the quadrat is placed at regular intervals along the line. Organisms are counted

Question 5

What is the difference between a mean and a median

Answer 5

The mean is the total of all the readings divided by the number of readings

Average is the middle value of the range.