Science CH4 6th 20-21
  • 1. All _____ have DNA.
A) Chemical compounds
B) Living organisms
C) Solid objects
D) Human cells
  • 2. How is DNA similar to a fingerprint?
A) Both are unique to each individual
B) Both are fake
C) Both determine Physical traits such as height and eye color
D) Both are found in the nucleus of every cell of the body
  • 3. Which part of the term "deoxyribonucleic acid" indicates where DNA is located?
A) Bonu
B) Ribo
C) Nucleic
D) Acid
  • 4. There are ______of different kinds of proteins in the human body.
A) Trillions
B) Thousands
C) Billions
D) Gazillions
  • 5. How many chromosomes do humans have?
A) 23
B) 20,000
C) 46
D) None
  • 6. The function of ________is not entirely known.
A) Genes
B) Non-coding DNA
C) Magic sword
D) Base pairs
  • 7. Inherited traits are:
A) The Avengers
B) Mutants
C) Dependent on diet
D) Passed on from parent to offspring
  • 8. Gregor Mendel observed that pea plant traits did not blend in their offspring. This led him to conclude that:
A) Traits are inherited in separate units
B) Pea plants do not have genes
C) Traits are not inherited
D) Offspring inherit genes only from one parent
  • 9. Every cell in an organism has the same number of chromosomes, except:
A) Neurons
B) White blood cells
C) Reproductive cells
D) Skin cells
  • 10. A gene carries the__________for a trait.
A) Magic wand
B) Instructions
C) Protection
D) Materials
  • 11. The building blocks of DNA are like alphabet letters, because they:
A) Each have an uppercase and lowercase form
B) Can be used in a variety of languages
C) Spell out different instructions depending on theri order
D) Are each associated with a particular sound
  • 12. Genes influence an organism´s traits by coding for:
A) Proteins
B) Cells
C) Chromosomes
D) DNA
  • 13. Which of the following have you inherited completely from your parents? Choose the best answer.
A) Your weight
B) Your money
C) Your talent
D) The shape of your blood cells
  • 14. What is heredity?
A) A type of sexual reproduction
B) The passing of traditions from parents to their children
C) Another term for sexual reproduction
D) The passing of traits from parents to offspring
  • 15. What did Gregor Mendel learn about his pea plants?
A) The tall plant trait dominates the short plant trait
B) Neither the short nor tall trait is dominant
C) They were green
D) Both short and tall traits are dominant
  • 16. Which of the following organisms is most likely to reproduce asexually?
A) Storm troopers
B) Mandalorians
C) Leopards
D) Bacteria
  • 17. Sexual reproduction results in organisms with more:
A) Genetic variety
B) Chromosomes
C) Positive traits
D) Offsprings
  • 18. Which of the following helps a species adapt to a chamging environment?
A) Having fewer offspring
B) None
C) Having more offspring
D) Increasing genetic variation
  • 19. How do gametes differ from other cells in the body?
A) They reproduce asexually
B) They contain one copy of each chromosome
C) They each contain instructions for one trait
D) They don´t carry genes
  • 20. In sexually reproducing organisms, how many gametes are needed for fertilization?
A) None
B) 46
C) 23
D) 2
  • 21. Which of the following is true about chromosomes?
A) They are chunks of DNA
B) They carry one gene
C) They double every generation
D) They are identical in both parents
  • 22. Genes carry two sets of instructions for each trait in the form of:
A) Alleles
B) Chromosomes
C) Gametes
D) DNA
  • 23. Which of the following is true about evolution?
A) All of the answers
B) It is fueled by genetic variation
C) It describes change over time
D) It requires survival and reproduction
  • 24. Without sexual reproduction, life on Earth would likely be:
A) Less diverse
B) More complex
C) Less evolved
D) Nothing
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