Unit 1 and 2 Biology commencement quiz

In an experiment, the factor that is changed is the

• dependent variable.

• independent variable.

• controlled variable.

• extraneous variable.

What is the correct order of the steps to follow in the scientific method?

• formulate a hypothesis, test the hypothesis, analyse the results, ask a question, draw conclusions, communicate results

• ask a question, analyse results, formulate a hypothesis, test the hypothesis, draw conclusions, communicate results

• ask a question, formulate a hypothesis, test the hypothesis, analyse results, draw conclusions, communicate results

• ask a question, formulate a hypothesis, test the hypothesis, draw conclusions, analyse results, communicate results

All the things in an experiment that must be the kept same are called

• controlled variables or factors.

• independent variables.

• dependent variables.

• controlled experiments.

An experiment that tests only one factor at a time by comparing the experimental group to the control group is a/an

• controlled experiment.

• non-controlled experiment.

• dependent variable.

• independent variable.

Which part of a microscope is the specimen placed on?

• platform

• base

• objective

• stage

A microscope has an eyepiece of magnification × 10. What magnification must the lower lens have to produce an image with an overall magnification of × 200?

• × 10

• × 20

• ×190

• × 2000

The control centre of a cell is its:

• cytoplasm

• mitochondrion

• nucleus

• vacuole.

Mitochondria contain:

• several identical cells

• waste and food particles

• chlorophyll

• sugar and oxygen.

Which of the following are found in both plant and animal cells?

• atom

• human cheek

• bacterium

• hen’s egg

A flagellum is:

• a microscopic organism

• part of a plant cell

• a cell that is able to change shape

• a whip-like tail attached to a cell.