biology midterm

Front

Which of the following would best describe a hypothesis? A proven fact, A question, A random assumption

Back

An educated prediction

Front

What is the dependent variable in the experiment where participants solve puzzles in silence, soft instrumental music, and loud rock music?

Back

The time taken to solve the puzzles

Front

In an experiment testing plant growth under different light conditions, what is the dependent variable?

Back

Height of plant

Front

What is the purpose of a control group of an experiment?

Back

Serve as a comparison for the experimental group

Front

Experiments must contain factors that do not change. These factors are known as _____________.

Back

Constants

Front

While writing the conclusion of an experiment, which of the following should be included?
- Summarizing whether the hypothesis was supported or rejected.
- Summary of your procedures.
- Analysis of your data.
- Both A and C.

Back

Both A and C.

Front

What would be the best way to collect data for an experiment? Options: Anecdotes, Tables and graphs, Essays, Abstract drawings

Back

Tables and graphs

Front

Which of the following statements is an observation? Plants need sunlight to grow., The plant grew 5 cm in one week., If I water the plant more, it will grow faster., Plants with larger leaves grow better in shade.

Back

The plant grew 5 cm in one week.

Front

A scientist wants to know if caffeine affects reaction time. They divide participants into two groups: one group drinks a cup of caffeinated coffee, and the other drinks decaffeinated coffee. Both groups then complete a reaction time test, and their results are compared. Which is the experimental group in this experiment?

Back

The group drinking caffeinated coffee

Front

What is the primary function of carbohydrates?

Back

Provide energy