Assertion(A): It is not easy to tell the exact number of species recorded on Earth.
Reason(R): There are published records of all the species discovered and named.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Introduction & Types |