Question 1

Which of the following is NOT considered a property of life?

Accepted Answer

Inability to maintain homeostasis

Question 2

A scientist is testing the effect of different fertilizer types on plant growth. What is the independent variable in this experiment?

Accepted Answer

Type of fertilizer used

Question 3

Which of the following best describes an emergent property?

Accepted Answer

A property that arises from the interaction of parts in a system

Question 4

Which subatomic particle is responsible for the chemical behavior of an atom?

Accepted Answer

Electron

Question 5

A water molecule is described as polar because:

Accepted Answer

Oxygen is more electronegative than hydrogen, creating partial charges

Question 6

Which of the following best explains why water is an excellent solvent?

Accepted Answer

Water's polarity allows it to surround and separate both ionic and polar molecules

Question 7

If an atom has an atomic number of 8 and an atomic mass of 16, how many neutrons does it have?

Accepted Answer

$$16 - 8 = 8$$

Question 8

Which of the following bonds is the strongest in biological systems?

Accepted Answer

Covalent bond

Question 9

A solution is made by dissolving 5 grams of NaCl in 100 mL of water. In this scenario, what is the solute?

Accepted Answer

NaCl

Question 10

Which level of biological organization is immediately above 'cell'?

Accepted Answer

Tissue

Question 11

Which property of water allows insects to walk on its surface?

Accepted Answer

Cohesion due to hydrogen bonding

Question 12

Which of the following is a trace element essential for human health?

Accepted Answer

Iron

Question 13

Which of the following is NOT a step in the scientific method?

Accepted Answer

Ignoring contradictory evidence

Question 14

Which of the following best describes natural selection?

Accepted Answer

The process by which organisms with traits best suited to their environment survive and reproduce

Question 15

Which of the following is true about DNA?

Accepted Answer

It stores genetic information in the sequence of its nucleotides

Question 16

A molecule with a difference in electronegativity between its atoms will most likely form which type of covalent bond?

Accepted Answer

Polar covalent bond

Question 17

Which of the following is the correct sequence of biological organization from smallest to largest?

Accepted Answer

Atom, molecule, cell, tissue, organ, organism

Question 18

Which of the following best describes a hydrogen bond?

Accepted Answer

A bond formed between a hydrogen atom and an electronegative atom like oxygen or nitrogen

Question 19

In a chemical reaction, which term refers to the substances that are formed as a result of the reaction?

Accepted Answer

Products

Question 20

A scientist observes that a certain solution conducts electricity. Which type of bond is most likely present in the solute?

Accepted Answer

Ionic bond

Fundamental Concepts in General Biology: Properties of Life, Biological Organization, and Chemistry of Life

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