Question 1

Which of the following is an example of the essential characteristic of 'order' in living organisms?

Accepted Answer

A honeycomb built by bees with precise, repeating hexagons to store honey and pollen.

Question 2

Which process best illustrates the concept of 'regulation' in living organisms?

Accepted Answer

Sweating to cool down the body during exercise, maintaining a stable internal temperature.

Question 3

Which of the following is NOT an essential characteristic of life?

Accepted Answer

Multicellularity and organ systems.

Question 4

Which level of biological organization is defined as all the living things in a particular area?

Accepted Answer

Ecosystem

Question 5

After eating a meal, the level of glucose in a person's blood rises. The body responds by releasing insulin, which causes cells to take up glucose and lower blood sugar. What type of regulation does this illustrate?

Accepted Answer

Negative feedback

Question 6

Which of the following statements about prokaryotic and eukaryotic cells is correct?

Accepted Answer

Eukaryotic cells have a nucleus containing DNA.

Question 7

Which of the following best describes the role of DNA in living systems?

Accepted Answer

DNA contains genetic information that is inherited and directs cell function.

Question 8

Which of the following is the correct sequence for gene expression?

Accepted Answer

DNA → mRNA → Protein

Question 9

Which of the following is an example of evolutionary adaptation?

Accepted Answer

The peppered moth becoming darker in color during the Industrial Revolution.

Question 10

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

Accepted Answer

A compound is made up of two or more different elements combined in a fixed ratio.

Question 11

Which subatomic particle is found outside the nucleus and has a negative charge?

Accepted Answer

Electron

Question 12

How is the atomic number of an atom related to its identity?

Accepted Answer

It is determined by the number of protons in the nucleus.

Question 13

Which of the following is true about isotopes of the same element?

Accepted Answer

They have the same number of protons but different numbers of neutrons.

Question 14

Which of the following is a correct example of energy processing in living organisms?

Accepted Answer

Plants absorbing sunlight and converting it into glucose.

Question 15

Which of the following best explains why matter cycles but energy flows through an ecosystem?

Accepted Answer

Matter is recycled through chemical cycles, while energy is lost as heat and cannot be reused.

Question 16

Which of the following is the correct formula for calculating the mass number of an atom?

Accepted Answer

$$	ext{Mass Number} = 	ext{Number of Protons} + 	ext{Number of Neutrons}$$

Question 17

Which of the following is a correct example of growth and development in living organisms?

Accepted Answer

A caterpillar transforming into a butterfly through metamorphosis.

Question 18

Which of the following is a correct statement about the process of natural selection?

Accepted Answer

Individuals with traits better suited to their environment are more likely to survive and reproduce.

Question 19

Which of the following best describes the relationship between the number of protons, neutrons, and the mass number in an atom?

Accepted Answer

The mass number is the sum of protons and neutrons.

Question 20

Which of the following is a correct example of response to the environment in living organisms?

Accepted Answer

A chameleon changing its skin color when the environment changes.

General Biology Study Guide: Essential Characteristics of Life & Chemistry of Biology

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