Which sponge is used as a marriage gift.

Name the sponge which is used as marriage gift and symbol of union till death.

Name the sponge which is used as marriage gift and symbol of union till death.

Which sponge is found in the river

Which sponge is given as a gift in Japan

Which sponge is given as a gift in Japan

The outer covering of which organism is used as abrasive for metal polishing ? (a) Dinoflagellates (b) Radiolarians (c) Sponges (d) Diatoms

Complete the missing links: The precious marriage gift in Japan is …………………. .

The precious marriage gift in japan is