Question 1

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells contain membrane-bound organelles, while prokaryotic cells do not.

Question 2

Which of the following is a correct example of a molecule?

Accepted Answer

Water ($$\mathrm{H_2O})$$

Question 3

A scientist observes that plants grow faster when exposed to blue light compared to red light. Which step of the scientific method does this observation represent?

Accepted Answer

Collecting data

Question 4

Which statement about DNA is correct?

Accepted Answer

DNA is a double helix composed of nucleotides.

Question 5

Which of the following is an example of a hypothesis?

Accepted Answer

If fertilizer is added to soil, then plant growth will increase.

Question 6

Which of the following best explains why water ($$\mathrm{H_2O}) is $$considered a compound?

Accepted Answer

It is formed when two or more atoms join together chemically.

Question 7

Which of the following is NOT a characteristic of living organisms?

Accepted Answer

Ability to photosynthesize

Question 8

Which of the following best describes a polar covalent bond?

Accepted Answer

Asymmetrical sharing of electrons due to differences in electronegativity

Question 9

Which of the following is a correct statement about the organization of life?

Accepted Answer

Cells are composed of tissues, which form organs, and organs make up organ systems.

Question 10

Which of the following is an example of deductive reasoning in science?

Accepted Answer

Predicting the outcome of an experiment based on a known theory

Question 11

Which of the following is true about the atomic structure of elements?

Accepted Answer

The number of protons in the nucleus determines the chemical identity of the element.

Question 12

Which of the following is a correct example of a scientific theory?

Accepted Answer

The cell theory, which states that all living things are made of cells.

Question 13

Which of the following best describes the role of DNA in cells?

Accepted Answer

DNA stores genetic information used to synthesize proteins.

Question 14

Which of the following is a correct statement about the three domains of life?

Accepted Answer

The three domains are Bacteria, Archaea, and Eukarya.

Question 15

Which of the following is an example of an emergent property in biology?

Accepted Answer

The coordinated contraction of heart muscle cells resulting in a heartbeat

Question 16

Which of the following is a correct statement about covalent bonds?

Accepted Answer

Covalent bonds involve the sharing of electrons between atoms.

Question 17

Which of the following is a correct example of a controlled experiment?

Accepted Answer

Testing the effect of fertilizer on plant growth by using identical plants and soil, but only adding fertilizer to one group.

Question 18

Which of the following best describes the difference between a molecule and a compound?

Accepted Answer

A molecule is formed when two or more atoms join together chemically, while a compound contains at least two different elements.

Question 19

Which of the following is a correct statement about the scientific method?

Accepted Answer

The scientific method involves collecting observations, forming hypotheses, and testing predictions.

Question 20

Which of the following is a correct example of an element?

Accepted Answer

Carbon (C)

Foundations of Biology and the Chemical Context of Life

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