Which of the following primate existed about 15 mya and had a hairy body and walked like Gorillas and chimpanzees?

1. Ramapithecus

2. Australopithecus

3. Pithecanthropus

4. Sinanthropus

The primate which arose during ice age between 75,000 to 10,000 years ago is

1. Dryopithecus

2. Ramapithecus

3. Modern Homo sapiens

4. Neanderthal man

The following statements concerned with genetic drift are incorrect except one. Select the exception

1. Genetic drift maintains Hardy Weinberg equilibrium

2. Gene frequency in a small population change due to natural selections only

3. It is a change in gene frequency that occurs by chance in a small population

4. If gene migration happens multiple times, it is called genetic drift

Evolution is a 

1. Stochastic process

2. Discontinuous process

3. Reversible Process

4. All of these

Sudden heritable changes are called

1. Linkages

2. Mutations

3. Recombinations

4. Natural selection

The "Use and Disuse" principal or "Theory of lnheritance of Acquired Characters" of evolution was proposed by

1. Hugo de Vries

2. Weismann

3. Lamarck

4. Darwin

Evolution of DDT resistant mosquito is best explained by which category of natural selection?

1 A 

2 B

3 C 

4 D 

An example of process of evolution of different species in a given geographical area starting from a common point and radiating to other areas of geography can be 

1 Origin of Numbat, Phascolarctos, Flying phalanger, Tasmanian wolf, Spotted cuscus from a primitive metatherian

2 Origin of Eohippus, Mesohippus, Parahippus and Pliohippus

3 Origin of Homo erectus, Homo neander thalensis, Homo sapiens fossils, Homo sapiens sapiens

4 Origin of Biston betularia from Biston carbonaria

There are five factors known to affect Hardy-Weinberg equilibrium, which of the following cannot be included in the five factors?

1 Gene flow and genetic drift

2 Genetic recombination and natural selection

3 Mutation

4 Isolation

The diagram shown below represents Miller's experiment with certain labelled parts. Find out the correct set of labelling: