UPSC CDS Science Biology Questions Part 1

Directions :
  The following Two(2) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below.
Code :
(a) Both the statements are individually true and Statement II is the correct explanation of Statement I
(b) Both the statements are individually true but Statement II is not the correct explanation of Statement I
(c) Statement I is true but Statement II is false
(d) Statement I is false but Statement II is true