General Biology Questions and Answers

5. Which one among the following water-borne diseases is not caused by a bacteria?
  A.  Typhoid
  B.  Hepatitis A
  C.  Bacillary dysentery
  D.  Cholera
Answer
Ans: B
Hepatitis A
6. Which one among the following is the hardest part of our body?
  A.  Skull bones of head
  B.  Enamel of teeth
  C.  Thumb nails
  D.  Spinal vertebra
Answer
Ans: B
Enamel of teeth
7. Average life span of human R.B.C is
  A.  90 days
  B.  100 days
  C.  120 days
  D.  None of these
Answer
Ans: C
120 days
8. Which one of the following is modification of parenchyma?
  A.  Fibres found in phloem
  B.  Tracheids
  C.  Vessel
  D.  Chlorenchyma
Answer
Ans: D
Chlorenchyma
1 234567

Page 2 of 7