Human Physiology(Life Sciences ) Questions and Answers

Question 1. Chemical messengers secreted by ductless glands are called___________
  1.    Lymph
  2.    Platelets
  3.    Plasma
  4.    Hormones
Explanation:-
Answer: Option D. -> Hormones
Answer: (d).Hormones
Question 2. Which of the following is NOT an endocrine gland?
  1.    Hypothalamus
  2.    Pituitary
  3.    Parathyroid
  4.    Pancreas
Explanation:-
Answer: Option A. -> Hypothalamus
Answer: (a).Hypothalamus
Question 3. Which of this statement is INCORRECT regarding the function of hormones?
  1.    Reproduction and sexual differentiation
  2.    Maintenance of internal environment
  3.    Maintain body temperature
  4.    Development and growth
Explanation:-
Answer: Option C. -> Maintain body temperature
Answer: (c).Maintain body temperature
Question 4. Endocrine glands secret products into the ducts and transfer it into body cavities.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 5. Mark the one, which is NOT the precursor of the hormone?
  1.    Amino acids
  2.    Cholesterol
  3.    Phospholipids
  4.    Proteins
Explanation:-
Answer: Option D. -> Proteins
Answer: (d).Proteins
Question 6. Nose, larynx, pharynx, lungs, trachea, and bronchi are the parts of the respiratory system.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 7. Which of the following is NOT the function of the respiratory system?
  1.    Regulate blood pH
  2.    Helps in gaseous exchange
  3.    Protection against blood loss
  4.    Contains receptors for the sense of smell
Explanation:-
Answer: Option C. -> Protection against blood loss
Answer: (c).Protection against blood loss
Question 8. Which of the following controls the normal breathing process?
  1.    Amino acids
  2.    Cholesterol
  3.    Ventral respiratory group
  4.    Dorsal respiratory group
Explanation:-
Answer: Option D. -> Dorsal respiratory group
Answer: (d).Dorsal respiratory group
Question 9. Which of this statement is TRUE for pulmonary respiration?
  1.    Exchange of gases between alveoli of lungs and the blood
  2.    Exchange of gases between blood and tissue cells
  3.    Breathing between the atmosphere and the alveoli of the lungs
  4.    Production of ATP
Explanation:-
Answer: Option A. -> Exchange of gases between alveoli of lungs and the blood
Answer: (a).Exchange of gases between alveoli of lungs and the blood
Question 10. Oxygen and hemoglobin bind in a reversible manner to form______
  1.    Carboxyhemoglobin
  2.    Oxyhemoglobin
  3.    Methoglobin
  4.    BPG
Explanation:-
Answer: Option B. -> Oxyhemoglobin
Answer: (b).Oxyhemoglobin
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