Bio PMA Review

Which statement below distinguishes bacteria from a virus?

• Both bacteria and viruses are nonliving and only cause disease in humans.

• Both bacteria and viruses are living organisms that cause diseases in all living things.

• Bacteria are nonliving, viruses are living organisms, and both can cause diseases in only

  humans.

• Bacteria are living organisms, viruses are nonliving, and both can cause diseases in all

  living things

Which statements correctly describe infectious agents?

• Statements 1 and 2

• Statements 1 and 3

• Statements 2 and 4

• Statements 3 and 4

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NGSS.MS-LS1-1

Sally conducted an experiment to find the best fertilizer to grow tall plants. What would her outcome variable be?

• the water amount

• height of the plants

• the fertilizer

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During the nineteenth century, biologists found similar fossils in South America and Africa. The scientists theorized that a temporary land bridge between South America and Africa which allowed ancient species to move between both continents. In the twentieth century additional evidence showed that South America and Africa were once part of the same larger continent and that there were no land bridges between them. Which statement below best describes what biologists should do with this the new geological finding?

• Biologists should update the theory due to newly found evidence.

• Biologists should reject the geological findings since it conflicts with the current theory.

• Biologists should update the theory because of the newly found evidence and reject

  any newer information.

• Biologists should reject the geological finding because they cannot change their theory

  based on new information.

  2.

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Which of the following best describes the role of chlorophyll in photosynthesis?

• A) It absorbs light energy and converts it into chemical energy.

• B) It provides structural support to the plant cells.

• C) It transports water and nutrients throughout the plant.

• D) It stores the energy produced during photosynthesis.

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What is the primary function of the mitochondria in eukaryotic cells?

• A) Protein synthesis

• B) Energy production

• C) Photosynthesis

• D) DNA replication

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In a controlled experiment, what is the purpose of the control group?

• A) To provide a standard for comparison

• B) To introduce new variables

• C) To ensure the experiment is biased

• D) To increase the sample size

Which of the following is a characteristic of a prokaryotic cell?

• A) Presence of a nucleus

• B) Lack of membrane-bound organelles

• C) Large and complex structure

• D) Multicellular organization

What is the main reason for the seasons on Earth?

• A) The distance of Earth from the Sun

• B) The tilt of Earth's axis

• C) The shape of Earth's orbit

• D) The rotation of Earth on its axis

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NGSS.MS-ESS1-1

Which of the following best explains why ice floats on water?

• A) Ice is denser than water.

• B) Ice has a lower density than water.

• C) Ice is heavier than water.

• D) Ice has a higher temperature than water.