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