106. Which of the following statements is/are true of white blood corpuscles?
           1) They are irregular structures.
           2) They are nucleated.
           3) They are manufactured in the lymph and spleen.
           4) They live for about four months.
     (a) 1, 2 and 3
     (b) 1, 3 and 4
     (c) 3 and 4
     (d) 1 and 3
Ans: (a)
107. A victim of a road accident is unconscious. Put in correct order the steps in first aid:
           1) Treating for cardiac arrest.
           2) Treating for asphyxia.
           3) Treating for shock.
           4) Arrest haemorrhage
           5) Cleanse and cover wounds.
     (a) 1, 2, 3, 4, 5
     (b) 2, 1, 4, 3, 5
     (c) 2, 3, 1, 4, 5
     (d) 5, 2, 1, 3, 4
Ans: (b)
108. Why do we feel drowsy after a heavy meal?
     (a) The biological clock is upset
     (b) The body muscles are fatigued
     (c) The hypothalamus produces melatonin to induce sleep
     (d) Brain receives less oxygen as blood rushes to supply oxygen and nutrition to the contracting stomach and
           intestines
Ans: (d)
109. Match the following :
     A. Nucleus              1. Robert Hooke
     B. Idiosome             2. Robert Brown
     C. Chromosome           3. Golgi
     D. Cell                 4. Waldeyer
           A         B       C         D
     (a)   2         3       4         1
     (b)   3         2       1         4
     (c)   4         3       2         1
     (d)   1         2       3         4
Ans: (a)
110. Match the following:
     A. Islets of Langerhans 1. Calcitonin
     B. Pituitary gland      2. Epinephrine
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