BIOLOGY SAVVAS SEMESTER
PRACTICE EXAMINATION 2026
QUESTIONS WITH ANSWERS GRADED
A+
◍ 1. A micrograph of matched pairs of human chromosomes can be used to
confirm the overall condition of homologous chromosomes in an individual.
What is this diagnostic tool called? a. karyotype b. telomere c. polygenic
trait d. twin testing.
Answer: karyotype
◍ 2. Which is formed during the light-independent phase of photosynthesis? a.
ATP b. glucose molecules c. NADPH d. pigment molecules.
Answer: glucose molecules
◍ 3. Strawberries can reproduce by means of runners, which are stems that
grow horizontally along the ground. At a point where a runner touches the
ground, a new plant can develop. Why are the new plants genetically
identical to the parent plant? a. All new cells came from mutated parent
cells. b. The nuclei traveled to the new plant through the runner. c. Other
strawberry plants in the area fertilized the runner. d. The new plant was
produced asexually..
Answer: the nuclei traveled to the new plant through the runner
◍ 4. The diagram below represents a cell in water. Explain why more water is
moving out of the cell than into the cell. a. The concentration of solute in the
cell is higher than it is outside the cell. b. The concentration of water outside
the cell is too great. c. The concentration of solute outside the cell is higher
than it is inside the cell. d. The concentration of water inside the cell is
greater than it is outside the cell..
, Answer: the concentration of water inside the cell is greater than it is outside
the cell
◍ 5. When carcinogens cause a failure in the regulation of cell growth and
development, what condition might occur? a. normal mitosis b. uncontrolled
cell growth in the form of cancer c. cell plates form d. apoptosis.
Answer: uncontrolled cell growth in the form of cancer
◍ 6. In what organisms does alcoholic fermentation take place? a. yeast and
some bacteria b. viruses c. fruit flies d. plants.
Answer: yeast and some bacteria
◍ 7. Using Figure 10-3, which process would result in the formation of
chromosome C from chromosomes A and B? Figure 10-3 a. asexual
reproduction b. independent assortment c. crossing over d. segregation.
Answer: crossing over
◍ 8. Which property is responsible for the fact that water and oil do not mix?
a. density b. mass c. phase d. polarity.
Answer: polarity
◍ homeostasis.
Answer: maintain stable internal conditions
◍ metabolism.
Answer: the combination of all chemical reactions in the body
◍ 9. Which describes the process of glycolysis? a. aerobic process that breaks
down glucose b. aerobic process that manufactures glucose c. anaerobic
process that breaks down glucose d. anaerobic process that manufactures
glucose.
Answer: anaerobic process that manufactures glucose
◍ independent variable.
Answer: factor that is changed on purpose by the scientist
◍ dependent variable.
Answer: factor that is measured or observed by the scientist
, ◍ 10. During photosynthesis, light energy is converted to the energy in
chemical bonds. What also happens according to the predictions of the
second law of thermodynamics? a. chemical energy is converted to light
energy b. matter is lost in the process c. heat is released in the process d. the
light and chemical energy are equal.
Answer: heat is released in the process
◍ control group.
Answer: group used for a comparison within an experiment
◍ 11. Which does NOT play a role in determining an individual's sex? a.
gametes b. chromosomes c. meiosis d. autosomes.
Answer: autosomes
◍ monomer.
Answer: The subunit or building block of a larger molecule.
◍ polymer.
Answer: A larger molecule, formed of multiple monomers that have bonded
together.
◍ carbohydrates.
Answer: Made up of monosaccharides and have the elements carbon,
hydrogen and oxygen
◍ 12. The typical growth period of a cell occurs during which stage of the cell
cycle? a. Gap 1 b. Gap 2 c. synthesis d. mitosis.
Answer: Gap 1
◍ proteins.
Answer: Made up of amino acids and have the elements carbon, hydrogen,
oxygen and nitrogen
◍ 13. A plant cell is placed in a hypotonic solution. What will happen to the
plant cell? a. It will swell. b. It will shrink. c. It will stay the same. d. It will
wilt..
Answer: it will swell
PRACTICE EXAMINATION 2026
QUESTIONS WITH ANSWERS GRADED
A+
◍ 1. A micrograph of matched pairs of human chromosomes can be used to
confirm the overall condition of homologous chromosomes in an individual.
What is this diagnostic tool called? a. karyotype b. telomere c. polygenic
trait d. twin testing.
Answer: karyotype
◍ 2. Which is formed during the light-independent phase of photosynthesis? a.
ATP b. glucose molecules c. NADPH d. pigment molecules.
Answer: glucose molecules
◍ 3. Strawberries can reproduce by means of runners, which are stems that
grow horizontally along the ground. At a point where a runner touches the
ground, a new plant can develop. Why are the new plants genetically
identical to the parent plant? a. All new cells came from mutated parent
cells. b. The nuclei traveled to the new plant through the runner. c. Other
strawberry plants in the area fertilized the runner. d. The new plant was
produced asexually..
Answer: the nuclei traveled to the new plant through the runner
◍ 4. The diagram below represents a cell in water. Explain why more water is
moving out of the cell than into the cell. a. The concentration of solute in the
cell is higher than it is outside the cell. b. The concentration of water outside
the cell is too great. c. The concentration of solute outside the cell is higher
than it is inside the cell. d. The concentration of water inside the cell is
greater than it is outside the cell..
, Answer: the concentration of water inside the cell is greater than it is outside
the cell
◍ 5. When carcinogens cause a failure in the regulation of cell growth and
development, what condition might occur? a. normal mitosis b. uncontrolled
cell growth in the form of cancer c. cell plates form d. apoptosis.
Answer: uncontrolled cell growth in the form of cancer
◍ 6. In what organisms does alcoholic fermentation take place? a. yeast and
some bacteria b. viruses c. fruit flies d. plants.
Answer: yeast and some bacteria
◍ 7. Using Figure 10-3, which process would result in the formation of
chromosome C from chromosomes A and B? Figure 10-3 a. asexual
reproduction b. independent assortment c. crossing over d. segregation.
Answer: crossing over
◍ 8. Which property is responsible for the fact that water and oil do not mix?
a. density b. mass c. phase d. polarity.
Answer: polarity
◍ homeostasis.
Answer: maintain stable internal conditions
◍ metabolism.
Answer: the combination of all chemical reactions in the body
◍ 9. Which describes the process of glycolysis? a. aerobic process that breaks
down glucose b. aerobic process that manufactures glucose c. anaerobic
process that breaks down glucose d. anaerobic process that manufactures
glucose.
Answer: anaerobic process that manufactures glucose
◍ independent variable.
Answer: factor that is changed on purpose by the scientist
◍ dependent variable.
Answer: factor that is measured or observed by the scientist
, ◍ 10. During photosynthesis, light energy is converted to the energy in
chemical bonds. What also happens according to the predictions of the
second law of thermodynamics? a. chemical energy is converted to light
energy b. matter is lost in the process c. heat is released in the process d. the
light and chemical energy are equal.
Answer: heat is released in the process
◍ control group.
Answer: group used for a comparison within an experiment
◍ 11. Which does NOT play a role in determining an individual's sex? a.
gametes b. chromosomes c. meiosis d. autosomes.
Answer: autosomes
◍ monomer.
Answer: The subunit or building block of a larger molecule.
◍ polymer.
Answer: A larger molecule, formed of multiple monomers that have bonded
together.
◍ carbohydrates.
Answer: Made up of monosaccharides and have the elements carbon,
hydrogen and oxygen
◍ 12. The typical growth period of a cell occurs during which stage of the cell
cycle? a. Gap 1 b. Gap 2 c. synthesis d. mitosis.
Answer: Gap 1
◍ proteins.
Answer: Made up of amino acids and have the elements carbon, hydrogen,
oxygen and nitrogen
◍ 13. A plant cell is placed in a hypotonic solution. What will happen to the
plant cell? a. It will swell. b. It will shrink. c. It will stay the same. d. It will
wilt..
Answer: it will swell
