Bio 1107 lab quiz #2 brine shrimp:

The degree to which an observed value corresponds to a true value.

Accuracy

Which of these is a hypothesis?

My car's battery is dead.

In a scientific experiment, what is the function of the control group?

The control group serves as a basis of comparison with the experimental group.

Which of the following is not an important criterion for evaluating the validity of an experiment?

The independent variable is an appropriate one for testing the hypothesis?

When applying the process of science, which of these is tested?

a hypothesis

What is a hypothesis?

a tentative explanation that can be tested and is falsifiable

A cell whose cytoplasm has a concentration of 0.02 M glucose is placed in a test tube of water containing 0.02 M glucose. Assuming that glucose is not actively transported into the cell, which of the following terms describes the tonicity of the external solution relative to the cytoplasm of the cell?

isotonic

Given the prediction: If salinity has an adverse effect on plant growth then the height of Mung beans plants will decrease as the salinity of irrigation water increases. The dependent variable is:

the height of the Mung beans

Given the prediction: If salinity has an adverse effect on plant growth then the height of Mung beans plants will decrease as the salinity of irrigation water increases. The independent variable is:

the salinity of the irrigation water

A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is a valid hypothesis, there must be a test for proving it

wrong