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Science CH4 6th 20-21
Contributed by: Castro
  • 1. All _____ have DNA.
A) Chemical compounds
B) Solid objects
C) Living organisms
D) Human cells
  • 2. How is DNA similar to a fingerprint?
A) Both are unique to each individual
B) Both are fake
C) Both are found in the nucleus of every cell of the body
D) Both determine Physical traits such as height and eye color
  • 3. Which part of the term "deoxyribonucleic acid" indicates where DNA is located?
A) Nucleic
B) Ribo
C) Acid
D) Bonu
  • 4. There are ______of different kinds of proteins in the human body.
A) Trillions
B) Gazillions
C) Thousands
D) Billions
  • 5. How many chromosomes do humans have?
A) 46
B) None
C) 20,000
D) 23
  • 6. The function of ________is not entirely known.
A) Genes
B) Magic sword
C) Base pairs
D) Non-coding DNA
  • 7. Inherited traits are:
A) Mutants
B) Passed on from parent to offspring
C) Dependent on diet
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) 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) Skin cells
B) Neurons
C) White blood cells
D) Reproductive cells
  • 10. A gene carries the__________for a trait.
A) Magic wand
B) Materials
C) Protection
D) Instructions
  • 11. The building blocks of DNA are like alphabet letters, because they:
A) Are each associated with a particular sound
B) Each have an uppercase and lowercase form
C) Can be used in a variety of languages
D) Spell out different instructions depending on theri order
  • 12. Genes influence an organism´s traits by coding for:
A) Chromosomes
B) Cells
C) Proteins
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) The passing of traits from parents to offspring
B) A type of sexual reproduction
C) The passing of traditions from parents to their children
D) Another term for sexual reproduction
  • 15. What did Gregor Mendel learn about his pea plants?
A) Neither the short nor tall trait is dominant
B) Both short and tall traits are dominant
C) They were green
D) The tall plant trait dominates the short plant trait
  • 16. Which of the following organisms is most likely to reproduce asexually?
A) Leopards
B) Mandalorians
C) Bacteria
D) Storm troopers
  • 17. Sexual reproduction results in organisms with more:
A) Positive traits
B) Chromosomes
C) Offsprings
D) Genetic variety
  • 18. Which of the following helps a species adapt to a chamging environment?
A) Having more offspring
B) Increasing genetic variation
C) None
D) Having fewer offspring
  • 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) 2
C) 23
D) 46
  • 21. Which of the following is true about chromosomes?
A) They double every generation
B) They are identical in both parents
C) They carry one gene
D) They are chunks of DNA
  • 22. Genes carry two sets of instructions for each trait in the form of:
A) Alleles
B) Gametes
C) Chromosomes
D) DNA
  • 23. Which of the following is true about evolution?
A) It requires survival and reproduction
B) It describes change over time
C) It is fueled by genetic variation
D) All of the answers
  • 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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