Question 1

Which of the following is NOT a characteristic of living organisms according to the study materials?

Accepted Answer

Ability to move independently

Question 2

Viruses are not considered living because they lack which of the following properties?

Accepted Answer

Cellular structure

Question 3

Which of the following correctly lists the levels of biological organization from smallest to largest?

Accepted Answer

Atom, molecule, cell, tissue, organ, organ system, population, community, ecosystem, biosphere

Question 4

Which domain contains organisms with membrane-bound organelles and multiple linear chromosomes?

Accepted Answer

Eukarya

Question 5

Which of the following statements about prokaryotes is TRUE?

Accepted Answer

They are always unicellular and lack compartments.

Question 6

Natural selection acts on which of the following?

Accepted Answer

Populations

Question 7

Which of the following is an example of a functional group found in macromolecules?

Accepted Answer

Hydroxyl

Question 8

Which type of macromolecule is primarily responsible for storing genetic information in cells?

Accepted Answer

Nucleic acids

Question 9

Which of the following is a polymer made of glucose and found primarily in the cell walls of plants?

Accepted Answer

Cellulose

Question 10

Triglycerides are formed by linking glycerol to three fatty acids through which type of reaction?

Accepted Answer

Dehydration synthesis

Question 11

Which of the following amino acids is classified as 'special' because it can exist in both hydrophobic and hydrophilic environments?

Accepted Answer

Glycine

Question 12

In a DNA double helix, which base pairs with cytosine, and how many hydrogen bonds are formed between them?

Accepted Answer

Guanine; three hydrogen bonds

Question 13

Which structure is found in all cells and is responsible for regulating the movement of substances in and out of the cell?

Accepted Answer

Plasma membrane

Question 14

As a cell increases in size, which of the following best describes the relationship between surface area and volume?

Accepted Answer

Volume increases faster than surface area

Question 15

Which organelle is responsible for producing ATP through cellular respiration in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 16

Which of the following statements about eukaryotes is FALSE?

Accepted Answer

Their genome consists of a single circular chromosome.

Question 17

Which of the following is a polar covalent bond?

Accepted Answer

$\mathrm{H_2O}$

Question 18

If an atom has 6 protons, 6 neutrons, and 6 electrons, what is its atomic number and atomic mass?

Accepted Answer

Atomic number: 6; Atomic mass: 12

Question 19

Which of the following best describes the role of electronegativity in chemical bonding?

Accepted Answer

It describes how strongly an atom attracts electrons towards itself.

Question 20

Which of the following is TRUE about isotopes?

Accepted Answer

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

General Biology I: Core Concepts and Foundations – Study Notes

Study Guide - Practice Questions