Welcome to your Grade 9 Biology chapter 1
After carefully reading the following 30 questions, choose the correct answer.
1.
What are the two Greek words that the term "Biology" is derived from?
2.
Which characteristic of life refers to the ability to maintain relatively constant internal conditions?
3.
What is the scientific study of life or living things called?
4.
Which of the following is an application of biology in the food industry?
5.
What biological process is used in wine-making and brewing?
6.
Which medicine is produced by mould fungi or bacteria?
7.
In the scientific method, what is the first step often described as?
8.
What is a proposed scientific explanation for a set of questions called?
9.
How do biologists test a hypothesis?
10.
Where do scientists typically publish their completed work to communicate findings?
11.
Which tool consists of a convex lens fixed within a circular metallic loop with a handle?
12.
What is the ability to distinguish between two separate points in microscopy called?
13.
Which type of microscope uses a beam of light to view specimens?
14.
A microscope with two eye-pieces is referred to as:
15.
If a microscope has a ×10 eyepiece and a ×40 objective, what is the total magnification?
16.
Which microscope uses a beam of electrons and electromagnets?
17.
What type of microorganisms are extremely small and best observed with an electron microscope?
18.
Which field of science studies the conversion of radiant energy into organic molecules?
19.
What is the term for the number of times larger an image is than the real size of the object?
20.
Which organism is essential for the fermentation process in bread baking?
21.
Sewage disposal relies on which of the following to purify effluent?
22.
What type of lens is used in a hand lens?
23.
In the scientific method, if a result rejects a hypothesis, what should a scientist do?
24.
Which of the following is considered a field tool for a biologist?
25.
What is the main purpose of utilizing forensics biology?
26.
Which subject helps in studying naturally occurring elements and molecules in living organisms?
27.
According to the text, why is it difficult to define life simply?
28.
Which characteristic allows living things to pass genetic information to offspring?
29.
What must a scientific experiment have the ability to be for its results to be valid?
30.
Industrial production of citric acid needs which organisms?
