Genetic drift operates in  
1. Large isolated populations
2. Non-reproductive populations
3. Slow reproductive populations
4. Small isolated population 

In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by 
1. 2pq
2. Pq
3. q²
4. p²

The chronological order of human evolution from early to the recent is:

According to Hugo de Vries, the mechanism of evolution is:

Among the following sets of examples for divergent evolution, select the incorrect option:  

The similarity of bone structure in the forelimbs of many vertebrates is an example of:
1. Convergent evolution
2. Analogy
3. Homology
4. Adaptive radiation 

Sickle cell anaemia has not been eliminated from African population as
1. It is controlled by dominant genes
2. It is controlled by recessive genes
3. It is not a fatal disease
4. It provides immunity against malaria

In the famous experiment by Louis Pasteur, the straight and long-necked flasks served :
1. as the experimental setup
2. as a control
3. as a cohort
4. no useful purpose

In the human population the frequency of which of the following will always be more than what is apparent?

Invertebrates were formed and were active by the time of: