1.
Which country officially established National Parents' Day as a holiday in 1994?
2.
The observance of National Parents' Day is primarily aimed at:
3.
National Parents' Day in India is celebrated on which date?
4.
In which year was World Embryologist Day first celebrated?
5.
What is the primary objective of observing World Embryologist Day?
6.
World Embryologist Day is observed annually on July 25th to commemorate the birth anniversary of which pioneering figure in the field of embryology?