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Reaching the Age of Adolescence — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceReaching the Age of Adolescence1 Mark
MCQ
Consider the following statements and choose the incorrect one:
  • A
    In females, the uterine wall thickens to receive the fertilised egg.
  • B
    ndocrine glands release hormones directly into blood stream for transportation to the target site.
  • ✓
    The sex hormones, adrenaline and oestrogen are responsible for the development of sexual characters.
  • D
    Release of sex hormones is under the control of a hormone secreted from the pituitary gland.
✓

Answer

Correct option: C.
The sex hormones, adrenaline and oestrogen are responsible for the development of sexual characters.
The sex hormones, testosterone and oestrogen are responsible for the development of sexual characters. Secondary sexual characters are visible characters which help us to differentiate between two sexes i.e., male and female. The growth of secondary sexual characters is controlled by sex hormones i.e., testosterone in males produced by testes and oestrogen in females produced by ovaries.

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