Question

1. Whether all eggs hatch into nestlings?
2. Can there be pigeons if there were no eggs ?
3. Can there be eggs if there were no pigeons ?
4. Do all animals lay eggs?
5. Are there any animals that give birth to young ones?​

Answer 1

3 :- Yes, there can be eggs if there were no pigeons because there is not specified that there is only pigeon's egg.

4 :- no , all animals will not lay eggs.

5 :- no ,only some animals.