Common origin of man and chimpanzee is best shown by _________________.
bandinig pattern in chromosomes number 3 and 6
cranical capacity
binocular vision
dental formula
The presence of gill slits, in the embryos of all verebrates, supports the theory of ____________.
Biogenesis
recaptiulation
metamorphosiss
organic evolution
The earliest fossil in the phylogeny of horse is ____________.
Merychippus
Mesohippus
Eohippus
Equus
Which of the following statements about fossil human species is correct?
Fossils of Homo neanderthalensis have been found recently in South America
Neanderthal man and cro - magnon man did exist for sometime together.
Mendelian populations
Homo erectus was preceded by Homo habilis
What was absent in the atmosphere at the time of origin of life's
NH3
H2
O2
CH4
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
Which of the following is regardedas thedirect ancestor of modern man?
Homo erectus
Ramapithecuss
Homo habilis
Cro - mangnon man
Weismann cut off tails of mice generation after generation but tails disappeared nor shoertened showing that ____________.
Darwin was correct
Appearance of recessive genes
gene frequency from one generation to next
None of the above
Which one of the following sets inculdes only the vestigial structures in man?
Body hair, olecranon process, coccyx patella
Wisdom teeth, mammarcy glands, coccyx, patella
Coccyx, nictitating membrane, vermiform appendix, ear muscles
Coccyx, body hair, ear ossicles, vermiform appendix
Theory inheritance of acquired characters was given by ____________.
Wallace
Lamarck
Darwin
de vries