Question

Assertation(A): Ammonia solution is an alkali
Reason (R)
: Ammonia solution turns blue litmus paper red
Assertion (A) : Ureter forms the common passage for both the sperms and urine.
Reason (R)
: It never carries both of them at the same time
Assertion (A) : Pollination is the transfer of pollen grain to the anther
Reason (2)
: Pollination is carried out by wind, birds and insects​

Answer 1

here all the assertions and reasons are correct.