Aphid Acyrthosiphon transmit which of the following causal agent
Pea mosaic
$TMV$
Yellow vein mosaic of Bhindi
None of these
Gill clefts and notochord appear in the embryonic development of all vertebrates from fishes to mammals. This supports the theory of
The Neanderthal man had a cranial capacity of around
Identify Figure
The age of rock is calulated on the basis of
Which compound has very important role in prebiotic evolution?