Identify the correct sequence in which the following substances have appeared during the course of evolution of life on earth _______________.
Glucose, aminoacids, nucleic acids, proteins
ammonia, amino acids, proteins, nucleic acids
water, amino acids, nucleic acids, enzymes
amino acids, ammonia, phospahtes nucleic acids
Evolution is _____________.
Progerssive development of race
History and development of race along with varaitions
History or race
Development of race
Parallelism is ___________.
adaptive divergent
adaptive convergence of widely different species
adaptive divergent convergence of closely related groups
adaptive convergence of widley separated species
Which one is irrelevent to evolution of man?
Perfection of hand for tool making
Increased ability to coomunicte or develop community behaviour
Change of diet from hard nuts/roots to soft food
Loss of tail
Which of the following is regardedas thedirect ancestor of modern man?
Homo erectus
Ramapithecuss
Homo habilis
Cro - mangnon man
The presence of gill slits, in the embryos of all verebrates, supports the theory of ____________.
Biogenesis
recaptiulation
metamorphosiss
organic evolution
'Golden age of dinosaurs' / Age of reptiles was ___________.
Mesozoic
Mesohippus
Eohippus
Psychozoic
Extremities, tail and ear relatively shorter in animals living in cooler regions as compared to those inhabiting warmer zones. This is ____________.
Bergman's rule
Jordan's rule
Gloger's rule
Allen's rule
Basic principles of embryonic development were pronounced by _____________.
Von Bear
Weismann
Haeckel
Morgan
What was absent in the atmosphere at the time of origin of life's
NH3
H2
O2
CH4