Semester 1 2018

Question 1

How does low supply affect demand and therefore the price of hay?

Answer 1

When there is a low supply (due to bad season or disease outbreak, etc.) the demand for what hay is left increases and sellers can increase their prices because people are willing to pay for it.

Question 2

How does high supply affect demand and therefore the price of hay?

Answer 2

High supply means that there is an over abundance of hay. Buyers will purchase the hay at the lowest price for quality and sellers will decrease their prices in order to sell their hay.

Question 3

Where is majority of carbon stored in the earth?

Answer 3

The ocean

Question 4

What is the order of processes in the nitrogen cycle?

Answer 4

Nitrogen fixation - ammonification - nitrification - nitrates - denitrifying bacteria

Question 5

What is biosecurity?

Answer 5

The strategies and policies in place to prevent the introduction of pests, weeds and diseases into a clean area. It is also the strategies and policies in place to manage pests, weeds and diseases once they enter an area

Question 6

Why is biosecurity important?

Answer 6

To stop the introduction of foreign pests and diseases

Question 7

What are some biosecurity strategies?

Answer 7

• don’t buy contaminated seed
• inspect vehicles and machinery coming onto the property and have an appropriate wash down area
• have a log book for people coming onto farm
• have visitors use designated laneways and tracks