Question

21. What is selective breeding?
A. Natural evolution
B. Human choice of traits
C. Random mating
D. Environmental pressure

22. What is another name for selective breeding?
A. Natural selection
B. Artificial selection
C. Evolution
D. Mutation

23. What do humans select for in selective breeding?
A. Undesirable traits
B. Desired traits
C. Random traits
D. Natural traits

24. Selective breeding has been used for how long?
A. Hundreds of years
B. Thousands of years
C. Tens of years
D. Millions of years

25. Which is an example of a selected trait?
A. Color change
B. Sweeter fruit
C. Camouflage
D. Ability to fly

26. Selective breeding differs from natural selection because it relies on:
A. Predators
B. Climate
C. Human choice
D. Luck

27. Early farmers improved crops by selecting seeds from:
A. Average plants
B. Least productive plants
C. Most productive plants
D. Random plants

28. Livestock breeders selected animals that were:
A. Weaker
B. Stronger
C. Slower
D. Smaller

29. A benefit of selective breeding is:
A. Reduced food production
B. Improved traits
C. Reduced crop size
D. Less reliable livestock

30. A drawback of selective breeding is reduced:
A. Strength
B. Genetic diversity
C. Food quality
D. Reproduction rate

31. What is selective breeding?
A. Natural evolution
B. Human choice of traits
C. Random mating
D. Environmental pressure

32. What is another name for selective breeding?
A. Natural selection
B. Artificial selection
C. Evolution
D. Mutation

33. What do humans select for in selective breeding?
A. Undesirable traits
B. Desired traits
C. Random traits
D. Natural traits

34. Selective breeding has been used for how long?
A. Hundreds of years
B. Thousands of years
C. Tens of years
D. Millions of years

35. Which is an example of a selected trait?
A. Color change
B. Sweeter fruit
C. Camouflage
D. Ability to fly

36. Selective breeding differs from natural selection because it relies on:
A. Predators
B. Climate
C. Human choice
D. Luck

37. Early farmers improved crops by selecting seeds from:
A. Average plants
B. Least productive plants
C. Most productive plants
D. Random plants

38. Livestock breeders selected animals that were:
A. Weaker
B. Stronger
C. Slower
D. Smaller

39. A benefit of selective breeding is:
A. Reduced food production
B. Improved traits
C. Reduced crop size
D. Less reliable livestock

40. A drawback of selective breeding is reduced:
A. Strength
B. Genetic diversity
C. Food quality
D. Reproduction rate

Answer 1

21. B (Human choice of traits)
22. B (Artificial selection)
23. B (Desired traits)
24. B (Thousands of years)
25. B (Sweeter fruit)
26. C (Human choice)
27. C (Most productive plants)
28. B (Stronger)
29. B (Improved traits)
30. B (Genetic diversity)

31. B (Human choice of traits)
32. B (Artificial selection)
33. B (Desired traits)
34. B (Thousands of years)
35. B (Sweeter fruit)
36. C (Human choice)
37. C (Most productive plants)
38. B (Stronger)
39. B (Improved traits)
40. B (Genetic diversity)