BIOL 1410 EXAM SCRIPT 2026 COMPLETE
QUESTIONS AND SOLUTIONS GRADED A+
◉ 2. An organic molecule could be
a) a molecule which has ionic bonds between carbon atoms.
b) adenosine triphosphate.
c) a molecule such as sodium chloride which ionizes in water.
d) one that ionizes in water to release H+.
e) described by b) and d.
Answer: A
◉ 3. Which of the following is incorrect?
a) Amino acids are the building blocks for proteins.
b) A DNA molecule contains monosaccharides as part of its
structure.
c) A triglyceride is composed of glycerol and three fatty acids.
d) Disaccharides and lipids are present in the structure of collagen.
e) Glycogen is an example of a polysaccharide.
Answer: D
,◉ Which of the following is not an inorganic molecule?
a) NaCl.
b) Sucrose.
c) Water.
d) Carbon dioxide.
e) Hydrochloric acid.
Answer: B
◉ A covalent bond is formed by the sharing of electrons between
two atoms.
a) True.
b) False.
Answer: A
◉ The cytoskeleton is
a) extracellular matrix.
b) an organelle which functions to modify and sort newly made
proteins.
c) a structure containing nucleotides.
d) a membranous organelle composed of microtubules.
e) formed from proteins.
Answer: E
, ◉ Mitochondria are organelles which a) are enclosed by a double
membrane, the outer one being continuous with the ER.
b) contain only inorganic compounds.
c) contain DNA and proteins in their structure.
d) contain digestive enzymes used for destroying microbes.
e) are non-membranous.
Answer: C
◉ Chromosomes
a) are present as chromatin in M phase.
b) contain DNA and the protein actin.
c) each have two chromatids in G0 phase of interphase.
d) when autosomal, contain genes coding for somatic traits.
e) condense and become visible in telophase of mitosis.
Answer: D
◉ In a cell undergoing mitosis, the spindle apparatus
a) is assembled during prophase. b) has in its structure
microfilaments made of tubulin.
c) has spindle fibres which attach directly to the centromeres of
chromosomes.
QUESTIONS AND SOLUTIONS GRADED A+
◉ 2. An organic molecule could be
a) a molecule which has ionic bonds between carbon atoms.
b) adenosine triphosphate.
c) a molecule such as sodium chloride which ionizes in water.
d) one that ionizes in water to release H+.
e) described by b) and d.
Answer: A
◉ 3. Which of the following is incorrect?
a) Amino acids are the building blocks for proteins.
b) A DNA molecule contains monosaccharides as part of its
structure.
c) A triglyceride is composed of glycerol and three fatty acids.
d) Disaccharides and lipids are present in the structure of collagen.
e) Glycogen is an example of a polysaccharide.
Answer: D
,◉ Which of the following is not an inorganic molecule?
a) NaCl.
b) Sucrose.
c) Water.
d) Carbon dioxide.
e) Hydrochloric acid.
Answer: B
◉ A covalent bond is formed by the sharing of electrons between
two atoms.
a) True.
b) False.
Answer: A
◉ The cytoskeleton is
a) extracellular matrix.
b) an organelle which functions to modify and sort newly made
proteins.
c) a structure containing nucleotides.
d) a membranous organelle composed of microtubules.
e) formed from proteins.
Answer: E
, ◉ Mitochondria are organelles which a) are enclosed by a double
membrane, the outer one being continuous with the ER.
b) contain only inorganic compounds.
c) contain DNA and proteins in their structure.
d) contain digestive enzymes used for destroying microbes.
e) are non-membranous.
Answer: C
◉ Chromosomes
a) are present as chromatin in M phase.
b) contain DNA and the protein actin.
c) each have two chromatids in G0 phase of interphase.
d) when autosomal, contain genes coding for somatic traits.
e) condense and become visible in telophase of mitosis.
Answer: D
◉ In a cell undergoing mitosis, the spindle apparatus
a) is assembled during prophase. b) has in its structure
microfilaments made of tubulin.
c) has spindle fibres which attach directly to the centromeres of
chromosomes.
