DSST Physical Sciences

Question 1

What is the primary unit of structure and function in living organisms studied in DSST?

Accepted Answer

Cell

Answer

The cell is the fundamental unit of structure and function in all living organisms, forming the basis of biological organization.

Question 2

In DSST science preparation, what does homeostasis refer to?

Accepted Answer

The tendency to maintain stable internal conditions

Answer

Homeostasis is the process by which organisms maintain stable internal conditions necessary for survival despite external changes.

Question 3

Which scientific method step follows hypothesis formation?

Accepted Answer

Experimentation and testing

Answer

After forming a hypothesis, the next step is designing and conducting experiments to test whether the hypothesis is supported by evidence.

Question 4

What is the role of a control group in scientific experiments related to DSST?

Accepted Answer

To provide a baseline for comparison

Answer

The control group provides a baseline against which the experimental group is compared to determine the effect of the variable being tested.

Question 5

In the context of DSST, what does evidence-based practice mean?

Accepted Answer

Integrating current best evidence with professional expertise

Answer

Evidence-based practice integrates the best available research evidence with professional expertise and patient values for optimal outcomes.

DSST - DANTES Subject Standardized Tests Practice Test