Human behaviour heredity Questions and Answers

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The study of human behavior heredity explores how genetic and environmental factors influence personality, intelligence, and behavior patterns. This topic often appears in logical reasoning questions and answers for exams like UPSC, SSC, and Railways. Understanding heredity helps students connect biology with behavioral sciences, analyzing traits passed through generations. In reasoning-based aptitude tests, heredity questions assess your ability to think critically about cause-effect relationships and logical patterns. By practicing reasoning questions for competitive exams, you gain insights into how inherited and learned behaviors shape human responses—an important concept for general science and analytical reasoning sections alike.

Human behaviour heredity

Showing 10 of 20 questions

1. An extra chromosome on pair 21 results in a form of mental deficiency commonly called

  • Mongolism
  • Turner’s Syndrome
  • Klinefelter’s Syndrome
  • None of the above
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2. Many behavioural changes that occur in the early months of life are clearly related to maturation of the

  • Nervous system
  • Glands
  • Muscles
  • All of the above
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3. The normal female chromosome pair 23 is represented by the symbol

  • XY
  • XX
  • XXY
  • YXX
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4. Charles Darwin published his book The Origin of Species in the year

  • 1850
  • 1869
  • 1859
  • 1875
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5. ________ has done the most to make the stage concept of development plausible.

  • Sigmund Freud
  • Jean Piaget
  • Eriksson
  • None of the above
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6. Between the ages of seven and twelve, the _______ stage, the child masters the various conservation concept and begins to perform still other manipulations.

  • Operational
  • Preoperational
  • Sensorimotor
  • Concrete
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7. In which of the following psychosexual stages of development do normal heterosexual interests arise?

  • Oral
  • Anal
  • Latent
  • Genital
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8. The qualitative changes that begins at conception and continue through the life span is called

  • Growth
  • Maturation
  • Development
  • Evolution
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9. The filed of study that focuses on identifying the genetic bases of behavioural traits, such as intelligence, mental disorder etc. is called

  • Socio-biology
  • Behaviour genetics
  • Genotype
  • None of the above
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10. According to Freud, the psychosexual stages include

  • Oral
  • Latent
  • Genital
  • All of the above
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