Which of the following mammals lays eggs?
- The Indian bat
- The grey squirrel
- The red kangaroo
- The platypus
Show answer and solution
Correct answer: D. The platypus
1. Bats, squirrels and kangaroos all give birth to live young.
2. The duck-billed platypus is a monotreme, a rare egg-laying mammal.
3. Hence the duck-billed platypus is the correct answer.
_Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.22._