Question

assertion (a): hilum is the part of human excretory system
reason (r): it is helpful for collection of urine
a. a &r are true, r is the explanation of a
b. a & r are true, but r is not explanation of a
c. a is true & r is false
d. a is false & r is true​

Answer 1

Answer:

option a is the right answer for this question