The simple organic compounds in the evolution of life on the earth must have
urea and amino acids
urea and nucleic acids
protein and amino acids
protein and nucleic acids
Which one among the following is an example for homology?
Eye of Octopus and mammals
Tuber of sweet potato and potato
Wings of butterfly and birds
Thorn and tendrils of Bougainvillea and Cucurbita
The Biogenetic law was proposed by
F.Redi
Richter
Weismann
Haeckel
Which one is not a vestigial organ?
Wings of kiwi
Coccyx in man
Pelvic girdle of python
Flipper of seal
Most convincing Darwin's theory is
Population
Malthusian Theory of Population
Formation of species
Survival of the fittest
The ratio of organic and inorganic compounds in protoplasm is
1 : 9
5 : 5
3 : 7
9 : 1
Primitive earth atmosphere consisted of H2O, NH3,H2 and
oxygen
nitrogen
methane
carbon dioxide
Major radiations of mammals, birds and pollinating insects took place in which epoch?
Oligocene
Eocene
Pliocene
Palaeocene
Which of the following natural process is likely to fasten organic evolution?
Favourable environment
Overproduction
Abundant genotypic variations
Reproductive isolation
The term 'biocoenosis' was coined by
E.P Odum
Kari Mobius
Earnst Haeckel
Charles Darwin
