Question 1

Which of the following is the correct first step of the scientific method when designing a biological experiment?

Accepted Answer

None of these

Question 2

A researcher wants to test the effect of a new fertilizer on plant growth. The variable that is manipulated in this experiment is called the:

Accepted Answer

Independent variable

Question 3

In a controlled experiment, which variable serves as the baseline for comparison against other variables?

Accepted Answer

Control variable

Question 4

Before conducting an experiment, what should a scientist do to ensure their research is novel and not a repetition of previous work?

Accepted Answer

Read scientific literature

Question 5

Convert $$1234.95 to $$scientific notation.

Accepted Answer

$$1.23495 	imes 10^3$

Question 6

Multiply $$(3.5 	imes 10^5$) 	imes (1.1 	imes 10^6$). $$What is the answer in scientific notation?

Accepted Answer

$$3.85 	imes 10$$^{11}$$

Question 7

A patient with diabetes insipidus produces $$15$$ liters of urine per day. How many milliliters is this?

Accepted Answer

$$15,000 mL$$

Question 8

You have a small, irregularly shaped stone. What is the best method to determine its volume?

Accepted Answer

Use water displacement

Question 9

A small marble has greater density than a small styrofoam bead because:

Accepted Answer

The mass/volume ratio of the marble is greater than that of the bead

Question 10

Which part of the microscope regulates the amount of light entering and is controlled by a mechanical lever?

Accepted Answer

Condenser

Question 11

Which microscope provides the greatest magnification power, up to $$1,000,000	imes$$?

Accepted Answer

Transmission electron microscope

Question 12

Which of the following structures is only found in prokaryotic cells?

Accepted Answer

Peptidoglycan cell wall

Question 13

The rough endoplasmic reticulum is characterized by the presence of:

Accepted Answer

Ribosomes

Question 14

Which of the following is the smallest part of an element that retains its chemical properties?

Accepted Answer

Atom

Question 15

A molecule that contains two or more different atoms is called a:

Accepted Answer

Compound

Question 16

The atomic mass number of an element is equal to:

Accepted Answer

Number of protons and neutrons

Question 17

Which of the following liquids is known to be a great solvent in biological systems?

Accepted Answer

Water

Question 18

Acids are defined as substances that:

Accepted Answer

Donate hydrogen ions in solution

Question 19

A mystery substance has a pH of $$5. $$Which of the following is true?

Accepted Answer

It has less hydrogen ions than hydroxide ions

Question 20

Amino acids are joined together by which type of bond to form proteins?

Accepted Answer

Peptide bonds

General Biology Lab Concepts: Scientific Method, Measurement, Microscopy, Cell Structure, and Basic Chemistry

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