The first organisms were _______________.
Chemoautotrophs
Chemoheterotrophs
Autotrophs
Eukaryotes
Which one does not faovur Lamarckian concept of inheritance of acquired characters?
Lack of pigment in cave dwellers
Absence of limbs in snakes
Presence of webbed toes in aquatic birds
Melanization of prepared moth in industrial areas
Parallelism is ___________.
adaptive divergent
adaptive convergence of widely different species
adaptive divergent convergence of closely related groups
adaptive convergence of widley separated species
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
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
'Golden age of dinosaurs' / Age of reptiles was ___________.
Mesozoic
Mesohippus
Eohippus
Psychozoic
The presence of gill slits, in the embryos of all verebrates, supports the theory of ____________.
Biogenesis
recaptiulation
metamorphosiss
organic evolution
Which of the following is regardedas thedirect ancestor of modern man?
Homo erectus
Ramapithecuss
Homo habilis
Cro - mangnon man
Genetic drift operators only in ______________.
smaller populations
larger populations
mendelian populations
islands populations
Basic principles of embryonic development were pronounced by _____________.
Von Bear
Weismann
Haeckel
Morgan
