Question based on Biology
DIRECTIONS : Questions based on Biology.
41. Which one of the following is responsible for converting milk into curd?
  A.  Fungi
  B.  Bacteria
  C.  Virus
  D.  None of these
42. In which one of the following animals is skin a respiratory organ?
  A. Cockroach
  B. Frog
  C. shark
  D. Whale

43. A typical human ribcage consists of how many ribs?
  A.  12
  B.  14
  C.  16
  D.  24
44. What is the pH level of blood of a normal person?
  A.  4.0 - 4.5
  B.  6.45 - 65.5
  C.  7.35 - 7.45
  D.  8.25 – 8.35
45. Which of the following disease is not a caused by viruses?
  A.  Cholera
  B.  Chickenpox
  C.  Hepatitis
  D.  Measles