Flowering plants, angiosperm appeared in which of the following period?

1. Permian

2. Triassic

3. Jurassic

4. Cretaceous

If there were no melanic forms in the pre-industrialisation era, what would be the end result of industrialization?

"Those who are better fit in an environment, leave more progeny than others." The evolutionary mechanism that operates for such a change is 

1. Natural selection

2. Genetic drift

3. Reproductive isolation

4. Polyploidy

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

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