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:

Mark the incorrect statement with respect to evolution

1 When we see objects in our immediate surroundings we see them instantly and hence in the present time

2 When we look at stars on a clear night sky we are, looking back in time 

3 Stellar distances are measured in kilometers 

4 Huge clusters of galaxies comprise the universe

Who concluded that existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago?

1. Charles Lyell 

2. Charles Darwin

3. Lamarck

4. A. Weismann

Mark the correct character of the following figure 

1 Tetrapedal and having bony plates on back

2 Tetrapedal and having collar on neck

3 Bipedal and have huge fearsome dagger-like teeth

4 Bipedal and have three horns on head