Q.1: Dwarfism is caused due to the ____________ of growth hormones.
a) hyposecretion
b) hypersecretion
c) none
Q.2: Which of the following secondary sexual characteristics take place in girls during the adolescence phase ?
i) Ovaries start to release eggs.
ii) Hips broaden and become more prominent.
iii) Body becomes more muscular.
iv) A high pitched voice develops.
a) i and iv
b) i, ii and iii
c) i, ii and iv
Q.3: ____________ glands are also called “Ductless glands”.
a) endocrine
b) exocrine
c) both
Q.4: The sexual characters which are present since birth are called _______________________.
a) primary sexual characters
b) secondary sexual characters
c) tertiary sexual characters
Q.5: The stage of growth and maturity from about 2 years to 11 years of age is called _____________.
a) infancy
b) childhood
c) adolescence
Q.6: If the sperm having X chromosome fertilises the egg, then it develops into a ___________ child.
a) boy
b) girl
c) none
Q.7: Which of the following statements is/are incorrect about “autosomes” ?
a) They are 46 in number.
b) They are identical in males and females.
c) Both
Q.8: __________________ hormone stimulates testes and ovaries to release testosterone and oestrogen respectively.
a) Insuline
b) Thyroxine
c) Luteinizing
Q.9: Menstruation usually occurs _______ days after ovulation.
a) 10
b) 18
c) 14
Q.10: _____________ is necessary for the formation of thyroxine hormone.
a) iodine
b) iron
c) phosphorous
Answers:
- a
- c
- a
- a
- b
- b
- a
- c
- c
- a
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