The presence of gill slits, in the embryos of all vertebrates, supports the theory of
biogenesis
recapitulation
metamorphosis
organic evolution
Abiogenesis means
spontaneous generation
origin of viruses and microbes
origin of life from living organism
origin of life from non living organism
According to one of the accepted theories, primitive earth's atmosphere consisted of water, ammonia, hydrogen and
CH4
N2
O2
CO2
The concept of 'Biogenesis' states that the life originated from
carbon dioxide
pre-existing life
non - living things
none of these
Which of the following phenomena supports Darwin's concept of natural selection in organic evolution?
development of transgenic animals
prevalence of pesticide resistant insects
production of 'Dolly', the sheep by cloning
development of organ from' stem cells' for organ transplantation
The ratio of organic and inorganic compounds in protoplasm is
1 : 9
5 : 5
3 : 7
9 : 1
Which of the following were the first living forms?
eobiont
eukaryotes
prokaryotes
coacervates
Coacervates were experimentally produced by
Urey and Miller
Jacob and Monod
Fisher and Huxley
Sidney Fox and Oparin
Life came from the outer space. This theory is called
spore theory
naturalistic theory
special creation theory
spontaneous generation theory
The famous book "origin of species" was written by
Odum
Darwin
Haeckel
Lamarck