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MCQs

Total Questions : 123 | Page 2 of 13 pages
Question 11. Mammalian thymus is mainly associated with _________
  1.    Secretion of thyrotrophin
  2.    Regulation of body growth
  3.    Regulation of body temperature
  4.    Immunological functions
 Discuss Question
Answer: Option D. -> Immunological functions
Answer: (d).Immunological functions
Question 12. Thymus aids differentiation of ___________ cells.
  1.    Red blood
  2.    B
  3.    T
  4.    Cancerous
 Discuss Question
Answer: Option C. -> T
Answer: (c).T
Question 13. Thymus, spleen, tonsils and adenoids produces _________
  1.    Phagocytes
  2.    Lymphocytes
  3.    Erythrocytes
  4.    Rhombocytes
 Discuss Question
Answer: Option B. -> Lymphocytes
Answer: (b).Lymphocytes
Question 14. Which of the following is not a primary lymphoid tissue?
  1.    Thymus
  2.    Spleen
  3.    Bone marrow
  4.    Foetal liver
 Discuss Question
Answer: Option B. -> Spleen
Answer: (b).Spleen
Question 15. Thymus size increases with aging.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 16. Which of these cell surface markers is unique to T cells?
  1.    CD3
  2.    CD15
  3.    CD45
  4.    CD83
 Discuss Question
Answer: Option A. -> CD3
Answer: (a).CD3
Question 17. The pineal gland secretes __________
  1.    MSH
  2.    Melatonin
  3.    Melanin
  4.    Prolactin
 Discuss Question
Answer: Option B. -> Melatonin
Answer: (b).Melatonin
Question 18. Which of the following is not an effect of pineal body secretion?
  1.    Inhibition of GnRH
  2.    Inhibition of reproductive functions
  3.    Help regulation of sleep cycle
  4.    Stimulation of appetite
 Discuss Question
Answer: Option D. -> Stimulation of appetite
Answer: (d).Stimulation of appetite
Question 19. Which of the following is not an endocrine gland?
  1.    Pituitary gland
  2.    Pineal gland
  3.    Sebaceous gland
  4.    Adrenal gland
 Discuss Question
Answer: Option C. -> Sebaceous gland
Answer: (c).Sebaceous gland
Question 20. Which of the following is true about melanin secretion?
  1.    More melatonin is secreted at night and day
  2.    More melatonin is secreted at day
  3.    Melatonin can help regulate sleep cycles
  4.    Melatonin is secreted at noon
 Discuss Question
Answer: Option A. -> More melatonin is secreted at night and day
Answer: (a).More melatonin is secreted at night and day

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