BASIC CHEMISTRY & CELL STRUCTURE FOR BIOLOGY STUDENTS EXAM QUESTIONS WITH 100% CORRECT VERIFIED/DETAILED ANSWERS LATEST UPDATED 2025/26 BEST GRADED TO SCORE A+ FOR PASS

BASIC CHEMISTRY & CELL STRUCTURE FOR BIOLOGY
STUDENTS EXAM QUESTIONS WITH 100% CORRECT
VERIFIED/DETAILED ANSWERS LATEST UPDATED 2025/26
BEST GRADED TO SCORE A+ FOR PASS

Matter CORRECT ANSWERS

Anything with mass and occupies space.

States of Matter CORRECT ANSWERS

Solid (definite shape & volume), Liquid (definite volume, shape of container), Gas
(no definite shape or volume).

Physical Changes CORRECT ANSWERS

Changes that do not alter the composition, e.g., ice → water.

Chemical Changes CORRECT ANSWERS

Changes that alter the composition, e.g., rusting.

Energy CORRECT ANSWERS

The ability to do work.

Forms of Energy CORRECT ANSWERS

Kinetic (active), Potential (stored).

Types of Energy CORRECT ANSWERS

Chemical (bonds), Electrical (ion movement), Mechanical (movement), Radiant
(waves).

ATP CORRECT ANSWERS

, BASIC CHEMISTRY & CELL STRUCTURE FOR BIOLOGY
STUDENTS EXAM QUESTIONS WITH 100% CORRECT
VERIFIED/DETAILED ANSWERS LATEST UPDATED 2025/26
BEST GRADED TO SCORE A+ FOR PASS

Main energy storage molecule.

Elements CORRECT ANSWERS

96% body = Oxygen, Carbon, Hydrogen, Nitrogen.

Atoms CORRECT ANSWERS

Protons (+), neutrons (0), electrons (-).

Atomic Number CORRECT ANSWERS

Number of protons in an atom.

Mass Number CORRECT ANSWERS

Number of protons + neutrons in an atom.

Isotopes CORRECT ANSWERS

Same element with different neutrons.

Radioisotopes CORRECT ANSWERS

Isotopes used medically.

Molecule CORRECT ANSWERS

Same element atoms bonded together.

Compound CORRECT ANSWERS