Class VIII

The period of life when the body undergoes changes, leading to reproductive maturity, is called?
  1. Puberty
  2. Adolescence
  3. Metamorphosis
  4. Menarche
Which of the following glands secrete oil?
  1. Thyroid gland
  2. Pituitary gland
  3. Sebaceous gland
  4. Endocrine gland
The voice box is also known as __________
  1. Allosomes
  2. larynx
  3. Menarche
  4. Thyroid
Metamorphosis in frog is controlled by which of the following hormone?
  1. Thyroid
  2. Insulin
  3. Adrenalin
  4. Thyroxine
The female hormone secreted by the ovaries at the onset of puberty is ________
  1. Estrogen
  2. Insulin
  3. Adrenalin
  4. Testosterone
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