Q 01/05

What is a plant that completes its whole life cycle in a single growing season called?

A) An annual

B) A perennial

C) An ephemeral

D) A biennial

Answer · why

A) An annual

Peas are a classic example; the plant flowers, sets seed and dies within the year.

Q 02/05

A biennial plant such as parsley or a Canterbury bell takes how long to complete its life cycle?

A) One year

B) Two years

C) Three years

D) Five years

Answer · why

B) Two years

The first year is spent growing leaves and roots; flowering and seed come in the second.

Q 03/05

In a compost heap, grass clippings and food scraps are the 'green' waste. What are they rich in?

A) Calcium

B) Carbon

C) Nitrogen

D) Potassium

Answer · why

C) Nitrogen

The 'browns', such as woody stalks, paper and wood chips, supply the carbon to balance them.

Q 04/05

On a fertiliser bag's N-P-K numbers, what element is K?

A) Calcium

B) Sulphur

C) Silicon

D) Potassium

Answer · why

D) Potassium

The N-P-K trio are the three macronutrients most modern fertilising focuses on.

Q 05/05

A soil with a pH reading below 7 is described as what?

A) Acidic

B) Saline

C) Alkaline

D) Neutral

Answer · why

A) Acidic

Most soils fall between 3 and 10, and blueberries and rhododendrons want the acid end.