Comprehensive Biology: Cell Structure, Plant
Anatomy, and Reproduction Exam Questions
and Answers with Verified Solutions | Latest
Updated 2026
What is the first step in the Observation
scientific
method?
What question might you ask after Why do plants grow better when we add
making an observation? nitrogen
to the soil?
What is a hypothesis? A proposed explanation for a phenomenon
based
on observations.
What is the role of an experiment To test the hypothesis and gather results.
in
the scientific method?
What defines a living organism? It is composed of cells, performs metabolic
reactions, grows, develops, reproduces,
and
responds to stimuli.
What are molecules made of? Atoms combine to form molecules.
, What is the structure of an atom? An atom consists of a nucleus (protons
and
neutrons) and orbitals (electrons).
What are the three main types of Covalent bonds, ionic bonds, and
bonds that form molecules? hydrogen bonds.
What is a covalent bond? A bond where two atoms share at least
one pair of
electrons.
What is an ionic bond? A bond formed when one or more
electrons are
donated to another atom.
What are hydrogen bonds? Weak attractions between hydrogen atoms
and
negatively charged atoms like oxygen and
nitrogen.
What are the four major types of Lipids, carbohydrates, proteins, and
molecules in living organisms? nucleic acids.
What is the formula for CnH2nOn
carbohydrates?
What are monosaccharides? Single unit carbohydrates.
What are disaccharides? Carbohydrates composed of two
monosaccharide
units.
Anatomy, and Reproduction Exam Questions
and Answers with Verified Solutions | Latest
Updated 2026
What is the first step in the Observation
scientific
method?
What question might you ask after Why do plants grow better when we add
making an observation? nitrogen
to the soil?
What is a hypothesis? A proposed explanation for a phenomenon
based
on observations.
What is the role of an experiment To test the hypothesis and gather results.
in
the scientific method?
What defines a living organism? It is composed of cells, performs metabolic
reactions, grows, develops, reproduces,
and
responds to stimuli.
What are molecules made of? Atoms combine to form molecules.
, What is the structure of an atom? An atom consists of a nucleus (protons
and
neutrons) and orbitals (electrons).
What are the three main types of Covalent bonds, ionic bonds, and
bonds that form molecules? hydrogen bonds.
What is a covalent bond? A bond where two atoms share at least
one pair of
electrons.
What is an ionic bond? A bond formed when one or more
electrons are
donated to another atom.
What are hydrogen bonds? Weak attractions between hydrogen atoms
and
negatively charged atoms like oxygen and
nitrogen.
What are the four major types of Lipids, carbohydrates, proteins, and
molecules in living organisms? nucleic acids.
What is the formula for CnH2nOn
carbohydrates?
What are monosaccharides? Single unit carbohydrates.
What are disaccharides? Carbohydrates composed of two
monosaccharide
units.