Before Ploughing a Paddock, a Farmer Thought the Bare Paddock

question 41

Multiple Choice

Before ploughing a paddock, a farmer thought the bare paddock looked weed-free. Three days after ploughing and turning over the soil, he was amazed to see thousands of tiny seedlings. What is the most likely reason for the mass germination of seeds?

• A) large seeds that needed soil disturbance to germinate
• B) small seeds that need light to germinate
• C) small seeds that were scarified by exposure to plough
• D) large seeds that needed exposure to higher levels of oxygen to germinate

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Definitions:

Probability

An indicator of how probable an event is to happen, shown as a value ranging from 0 to 1, with 0 meaning it cannot happen and 1 meaning it will definitely happen.

Union

An organized association of workers formed to protect and further their rights and interests; a labor union.

Individual Probabilities

The likelihood of specific outcomes for individual events.

Probability Tree

A diagram that represents the possible outcomes of a series of events, showing the probability of each outcome in a branching format.