The oldest zoo is .............. .

In India the first Zoo was established in .................. .

The oldest recorded alga is …………

Archaeopteryx is the oldest known Fossil bird .

X is the oldest fossil bird .The animal X became extinct a long time ago.But the study of fossils of X tells us that it had features like birds and some like reptiles. (i)Identify 'X'? (ii)Name one features in which 'X' resembled birds. (iii)Name one features in which 'X' resembled reptiles.

________ is the fourth oldest dam into the world.

___________ process is the oldest method in the manufacturing of soap .

______ is one of the oldest methods of plants breeding.

Rearrange the six periods of the eva Paleozic from the oldest to the youngest in correct order. (a) Devonian (b) Ordovician (c ) Cambrain (d) Putman (e ) Carboniferous (f) Silurian

____ is the oldest viable seed of Arctic Tundra