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Federal (FBISE) · Chapter test · Free

2nd Year Biology Chapter 6 Test06. Endocrine System of Man

30 marks · 40 minutes · 21 questions. Covers: 06. Endocrine System of Man.

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2nd Year Biology Chapter 6 Test

2nd Year · Biology · Federal (FBISE)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. Steroid hormones are secreted by
    1. the adrenal cortex
    2. the gonads
    3. the thyroid
    4. both A and B
  2. Hyperthyroidism may cause:
    1. Graves’ disease
    2. Diabetes mellitus
    3. Goiter
    4. Dwarfism
  3. Prolactin inhibiting factor (PIF) inhibits secretion of:
    1. GH
    2. FSH
    3. Prolactin
    4. ACTH
  4. The disease caused by under secretion of thyroxine in adults is:
    1. Diabetes mellitus
    2. Myxedema
    3. Graves’ disease
    4. Acromegaly
  5. Which hormone prepares the uterus for implantation?
    1. Estrogen
    2. Cortisol
    3. Progesterone
    4. Testosterone
  6. Which of the following is not a function regulated by the hypothalamus?
    1. Hunger
    2. Thirst
    3. Photosynthesis
    4. Temperature
  7. Calcitonin hormone is secreted by:
    1. Adrenal gland
    2. Thyroid gland
    3. Parathyroid gland
    4. Pancreas
  8. TRF stimulates the secretion of:
    1. ACTH
    2. TSH
    3. GH
    4. Prolactin
  9. An example of positive feedback in humans is:
    1. Blood sugar regulation
    2. Body temperature regulation
    3. Uterine contractions during childbirth
    4. Blood clot dissolution
  10. Hormones are secreted by:
    1. Nerves
    2. Cells
    3. Muscles
    4. Brain

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. What is diabetes mellitus?
  2. What is the main function of negative feedback?
  3. What is the function of thyroid-stimulating hormone (TSH)?
  4. Mention two functions of adrenaline in the human body.
  5. How do hormones act as chemical messengers?
  6. Differentiate between negative and positive feedback.
  7. Why is the anterior pituitary called the master gland?
  8. Name two proteinaceous hormones secreted by the anterior lobe of the pituitary gland.

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. Explain the mechanism of positive feedback with an example.
  2. Name the hormones, their functions and imbalance of the Pituitary gland.
  3. State the role of hormone as chemical messenger.