Which one is irrelevant to evolution of man?
1. Perfection of hand for tool making
2. Change of diet from hard nuts/roots to soft food
3. Increased ability to communicate or develop community behaviour
4. Loss of tail
Study of fossils is
1. palaeontology
2. herpetology
3. saurology
4. organic evolution
Genetic drift operates only in
1. smaller populations
2. larger populations
3. Mendelian populations
4. island populations
An important evidence in favour of organic evolution is the occurrence of
1. analogous and vestigial organs
2. homologous organs only
3. homologous and analogous organs
4. homologous and vestigial organs
The earliest fossil form in the phylogeny of horse is
1. Merychippus
2. Mesohippus
3. Eohippus
4. Equus
Which is not a vestigial part in humans ?
1. Segmental muscles of abdomen
2. Finger nails
3. Third molar
4. Coccyx
Which one of the following statements is correct?
1. stem cells are specialised cells
2. There is no evidence of the existence of gills during embryogenesis of mammals
3. All plant and animal cells are totipotent
4. Ontogeny repeats phylogeny
Evolutionary convergence is the development of
1. common set of characters in the group of different ancestry
2. dissimilar characters in closely related groups
3. common set of characters in closely related groups
4. random mating
The finches of Galapagos islands provide an evidence in favour of
1. special creation
2. evolution due to mutation
3. retrogressive evolution
4. biogeographical evolution
Which of the following primate is the closest relative of humans ?
1. Rhesus monkey
2. Orangutan
3. Gorilla
4. Gibbon