KIC Document 0001

Quiz Questions and Key Concepts

Attributes of Living Things

  • Question 1: Which of the following is an attribute of all living things?

    • Answer: C) They must be capable of acquiring adaptations through evolution.

Population and Communities

  • Question 2: What is the appropriate term for an interacting group of individuals of a single type occupying a defined area?

    • Answer: A) Population.

Inheritance

  • Question 3: Characteristics transmitted from parents to offspring are the units of inheritance.

    • Answer: A) Genes.

Understanding Evolution

  • Question 4: Which of the following statements is true regarding evolution?

    • Answer: C) Evolution is the process of change over time in a population of organisms.

Basic Unit of Life

  • Question 5: The basic unit of life that possesses all of the properties and exhibits all of the processes of living organisms is what?

    • Answer: C) Cell.

Energy Conversion in Plants

Photosynthesis Process

  • Question 6: Plants convert

    • Answer: C) Sunlight to chemical energy.

Definition of Biology

  • Question 7: Biology is defined as the scientific study of life.

Order of Biological Organization

  • Question 8: What is the correct order from small to large?

    • Answer: B) Molecules, organism, population, communities, biosphere.

Prokaryotic Organisms

  • Question 9: This kingdom is made up of organisms that possess prokaryotic cell structure.

    • Answer: C) Monera (bacteria/archea).

Energy Flow in Ecosystems

  • Question 10: On our planet, energy flows through an ecosystem entering as matter and exiting as heat.

Plasma Membrane Components

Membrane Lipids and Proteins

  • Question 1: This type of lipid is involved with cell:cell recognition.

    • Answer: Glycolipid.

    • Question 2: This acts as a temperature buffer.

    • Answer: Cholesterol.

    • Question 3: This type of protein is amphipathic and a critical part of the membrane.

    • Answer: Transmembrane protein.

    • Question 4: This type of protein is hydrophilic and does not extend into the lipid bilayer.

    • Answer: Peripheral protein.

Cellular Processes

Glycolysis and Cellular Respiration

  • Question 5: Glucose enters this process and is broken down to pyruvate.

    • Answer: Glycolysis.

    • Question 6: This process produces the most electron shuttles, such as NADH.

    • Answer: Citric Acid Cycle.

    • Question 7: The first molecules of ATP are produced during this process.

    • Answer: Glycolysis.

    • Question 8: The molecule pyruvate enters this process.

    • Answer: Pyruvate oxidation.

Osmosis and Membrane Transport

Movement of Water

  • Question 10: In osmosis, water always moves toward the solution with the:

    • Answer: B) Hypertonic greater solute concentration.

Facilitated Transport

  • Question 11: Movement of molecules across a membrane, from an area of higher concentration to lower concentration, that is aided by a protein and does not require energy is called:

    • Answer: D) Facilitated diffusion.

Pathways of Metabolism

  • Question 12: Which of the following correctly states the relationship between catabolic and anabolic pathways?

    • Answer: C) Degradation of organic molecules by catabolic pathways provides the energy to drive anabolic pathways.

Cell Cycle and Mitosis

Phases of the Cell Cycle

  • Question 1: This is the portion of the cell cycle just after division but before DNA synthesis.

    • Answer: G1 phase.

    • Question 2: If the daughter cells had half the genetic material found in the parental cell, then this stage was skipped.

    • Answer: S phase.

    • Question 3: Cell division occurs during this phase involving two processes: the nuclear contents and cytoplasm division.

    • Answer: Mitotic phase.

    • Question 4: Typically accounts for 90% of the cell cycle, involves high metabolic activity, production of proteins and organelles, and chromosome replication.

    • Answer: Interphase.

M Phase Events

  • Question 6: Which does not occur during, or because of, the M phase?

    • Answer: C) Replication of chromosomes (this occurs in S phase).

Photosynthesis Correlation

Photosynthesis Components

  • Question 10: B is the reactant that enters the process.

    • Answer: CO2.

    • Question 11: C is the energy for photosynthesis.

    • Answer: Light.

    • Question 12: J is a by-product important for cellular respiration.

    • Answer: O2.

Genetics and Inheritance

Blood Type and Crosses

  • Question 1: Assume you are blood type A, and your mother is blood type A, your father could be any blood type except A, what is the answer?

    • Answer: E) He could be any blood type.

    • Question 2: If you conduct an experiment with two plants that both have the genotype AaBb, this is considered:

    • Answer: B) A dihybrid cross between two heterozygous plants.

Epistasis Example

  • Question 3: Epistasis refers to inheritance where the phenotypic expression of a gene at one locus alters that of a second locus, such as coat colour in dogs.

Incomplete Dominance Example

  • Question 4: Crossing true breeding red and white flowered snapdragon plants resulting in pink flowers is an example of:

    • Answer: Incomplete dominance.

Nucleic Acids

DNA and Its Components

  • Question 8: The monomer of nucleic acids is:

    • Answer: D) Nucleotide, while the polymer is polynucleotide.

Experiments on DNA

  • Question 9: The first experiments showing DNA was the hereditary material were done using:

    • Answer: C) Bacteria.

Rosalind Franklin's Contribution

  • Question 10: Her X-ray crystallography data suggested DNA is double stranded and has uniform diameter, which can rule out base pairing between identical nucleotides because:

    • Answer: B) Identical nucleotides would not have appropriate hydrogen bonding sites to pair.

Understanding Cellular Components

Energy Process in Biological Systems

  • Question 6: True or false: Plant cells have both mitochondrion and chloroplasts.

    • Answer: True.