Biology Fall Final

All matter, whether living or nonliving, is made up of tiny building blocks, called:

• A) compounds
• B) mixtures
• C) atoms
• D) elements

Which of the following correctly identifies the subatomic particle with its electrical charge?

• A) protons (positive), electrons (no charge), neutrons (negative)
• B) protons (negative), electrons (positive), neutrons (no charge)
• C) protons (no charge), electrons (negative), neutrons (positive)
• D) protons (positive), electrons (negative), neutrons (no charge)

The Atomic Mass is calculated by adding which two particles together?

• A) Protons and Electrons
• B) Electrons and Anions
• C) Cations and Anions
• D) Protons and Neutrons

The atomic number of Carbon is 6. This information also indicates that …

• A) there are six types of carbon isotope possible
• B) there are six electrons in a carbon atom
• C) there are six neutrons in a carbon atom
• D) this information does not indicate anything else about the atom

Water molecules have a slightly negative (-) charged region located with the oxygen and it has a slightly positive (+) charged region located with the hydrogen. Because water has this “uneven” distribution of charges, water is considered a(an):

• A) polar compound
• B) nonpolar compound
• C) ionic compound
• D) metallic compound

What is the first step in the scientific process?

• asking a question
• making a prediction
• collecting data
• making a hypothesis

Which of these is NOT a step in the scientific process?

• A) forming a research question
• B) making a prediction
• C) collecting data
• D) random experimentation

A student wants to see if plants grow better when they are exposed to classical music. The student uses 4 greenbean plants potted in the same container with the same type of soil. Two of these plants are grown in a greenhouse playing classical music, while the other two plants are grown in a greenhouse that does not have music playing. After 2 weeks, the height of the plants will be measured and recorded. What are the Independent and Dependent variables?

• A) the Independent variable is the type of plants used and the Dependent variable is the presence or absence of music in the greenhouse
• B) the Independent variable is the height the plants grow and the Dependent variable is the presence or absence of music in the greenhouse
• C) the Independent variable is the presence or absence of music in the greenhouse and the Dependent variable is the height the plants grow
• D) The Independent variable is the presence or absence of music in the greenhouse and the Dependent Variable is the type of plants used

Why do scientists graph their collected data?

• A) to determine relationships between variables
• B) to visualize trends in the data
• C) to better organize the data
• D) all of the above

Argon, Krypton, and Xenon belong under which elemental family?

• A) Alkaline Earth metals
• B) Actinides
• C) Nobel Gases
• D) Halogens