11. Which of the following combinations of chromosomes is present in males?
(a) XX
(b) XXX
(c) XY
(d) XYX
12. Biological death of a patient means death of tissues of the:
(a) Brain
(b) Lungs
(c) Heart
(d) Kidney
13. The pitch of the voice of women is generally:
(a) Same as that of men
(b) Higher than that of men
(c) Much lower than that of men
(d) None of these
14. The normal temperature of human body on the Kelvin scale is:
(a) 280 K
(b) 310 K
(c) 335 K
(d) 360 K
15. Clotting of blood vessels is called:
(a) Thrombosis
(b) Fibrosis
(c) Agglutination
(d) None of these
16. Blood group of an individual is controlled by:
(a) Shape of RBC
(b) Genes
(c) Shape of WBC
(d) Hemoglobin
17. Estrogens are secreted by:
(a) Ovary
(b) Stroma
(c) Follicle cells
(d) Thoracic cavity
18. Lungs are situated in:
(a) Thoracic cavity
(b) Buccal cavity
(c) Periodical cavity
(d) None of these
19. If the father has blood group A and mother has blood group O, then which of the following blood groups may be found in their son?
(a) O
(b) B
(c) A
(d) AB+
20. Which of the following hormones contains iodine?
(a) Adrenaline
(b) Thyroxin
(c) Insulin
(d) Testosterone