SET 3: Sex
Determination, Chromosomes and Genetic Basis of Evolution
Introduction: This set
explores the chromosomal basis of sex determination, the role of genes and
chromosomes in inheritance, and how variations lead to evolution through
natural selection and genetic drift.
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📘 SCIENCE
BIOLOGY | Genetics-C
📝 Questions: 50
⏱️ Timer: 20 min
Q1. Mendel's inheritance mechanism applies to:
Q2. Sex determination differs among:
Q3. One gene set in a plant is inherited from:
Q4. Variation during reproduction occurs due to:
Q5. Evolution is driven by:
Q6. A child inheriting X chromosome from father will be a:
Q7. The Y chromosome is:
Q8. Green beetles survive better because:
Q9. Evolution results in:
Q10. Probability of a child being a boy or a girl is:
Q11. Reduction of gene sets in germ cells is necessary to:
Q12. During sexual reproduction, both parents contribute:
Q13. Each germ cell receives:
Q14. Predators of beetles in the example are:
Q15. Green colour in beetles is an example of:
Q16. Independent inheritance is possible because:
Q17. Number of autosome pairs in humans is:
Q18. Asexual organisms also follow:
Q19. Combination of two germ cells restores:
Q20. Chromosomes exist in cells as:
Q21. If a gene produces a less efficient enzyme, the plant will be:
Q22. In the beetle example, beetles reproduce by:
Q23. Genes control characteristics mainly by:
Q24. Evolution occurs over:
Q25. Humans have how many pairs of chromosomes?
Q26. All children inherit which chromosome from their mother?
Q27. Asexually reproducing organisms show:
Q28. Each chromosome pair contains:
Q29. Beetles live on bushes with:
Q30. Red beetles are eaten more because:
Q31. Traits that help survival are:
Q32. This beetle example explains:
Q33. Genes are present as parts of:
Q34. Sex of the child is determined by:
Q35. Chromosomes ensure:
Q36. Each pea plant has:
Q37. Some animals like snails can:
Q38. Sex chromosomes in males are:
Q39. Sex determination in humans is an example of:
Q40. Harmful variations are usually:
Q41. Selection by environment forms the basis of:
Q42. In humans, sex is mainly determined by:
Q43. Germ cells contain:
Q44. Advantageous variations lead to:
Q45. A child inheriting Y chromosome from father will be a:
Q46. Over generations, green beetles become:
Q47. Stability of species DNA is maintained by:
Q48. Sex chromosomes in females are:
Q49. The combined study of heredity and evolution explains:
Q50. In some animals, sex is determined by:
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