The age of the fossil of Dryopithecus on geological time scale is
75 x 106 years back
25 x 106 years back
2.5 x 106 years back
50 x 106 years back
First hominids are
Sivapithecus
Australopithecus
Pithecanthropus
Dryopithecus
Which of the following is the most primitive ancestor of man?
Homohabilis
Homoneanderthalensis
Ramapithecus punjabicus
Proconsul was discovered in
China
Australia
East Africa
none of these
Sivapithecus is another fossil ape from Sivalik Hills of India. It was similar to
Ramapithecus
Homo habilis
Hardy - Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and
evolution
limiting factors
saltation
natural selection
The useless change for man in the course of evolution, is
loss of tail
development of cranial capacity
development of being erect
development of opposable thumb
A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift'. For this statement, identify the correct example from the following.
Human population of Pitcaim island
Polydactylic dwarfs in Amish population
Long- necked giraffe
Industrial melanism
Darwin judged the fitness of an individual by
ability to defend itself
strategy to obtain food
number of offsprings
dominance over other individuals
Which one of the following in birds indicates their reptilian ancestry?
Scales on their hindlimbs
Four- chambered heart
Two special chambers crop and gizzards in their digestive tract
Egg with a calcareous shell
