All democratic countries are most likely to have a constitution. However, there are exceptions as a democratic country may not have a constitution. For example, Britain does not have a codified constitution. All countries that have a constitution are not necessarily democratic.

Actually, the locomotor part of a hydra is not its tentacles. Hydras move by a remarkable way called "looping." They attach one end of their body to a surface and then release the other end, allowing it to move and attach again. This looping movement is facilitated by the contraction and expansion of the body, rather than the use of tentacles. Tentacles are specialized structures primarily used for feeding and defense in hydras.

1. 'Equal pay for equal work for both men and women' is mentioned in Article 39 (d) of the Constitution of India.

2. In this article the State has been directed to ensure equal pay to both men and women for equal work.

3. Article 39(d) is a directive principle of state policy, which means it cannot be implemented through legislation. However, the Court may declare laws that violate this Article unconstitutional.