Please be patient as the PDF generation may take upto a minute.

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

For the stability of the organic compounds, Oparin opined that probably:
1. UV radiation never reached the surface of the primeval Earth
2. the primeval Earth was in a molten state
3. the primeval Earth atmosphere was reducing rather than oxidizing
4. plenty of energy sources were available for chemical reactions to occur

For origin of life, which of the following is not a precondition, needed to be fulfilled by the protobionts under consideration?
1. They should have been able to totally isolate themselves from the general environment
2. They should have been able to replicate
3. They should have acquired a perpetual source of energy
4. Their replication should have been subject to error via mutation

The first genetic code of life was based on :
1. DNA 
2. RNA 
3. Proteins 
4. Lipids

The term “Homologous “ to mean the organs of different species that are related to each other through common descent, although now functionally different, was coined by :
1. Richard Owen 
2. Erasmus Darwin
3. Ernst Haeckel 
4. John Ray

A thorn of Bougainvillea and a tendril of Cucurbita are an example of :
1. analogous organs 
2. vestigial organs
3. homologous organs 
4. defense organs

Which of the following is not a major evolutionary trend seen in the evolution of horse?

The differential success in the reproduction, of an organism, in a given environment is :
1. Adaptation 
2. Natural Selection
3. Adaptive radiation 
4. Saltatory evolution

de Vries based his “Mutation Theory” on his observation on :

According to the modern view of Darwinism, the unit of natural selection is the :
1. population 
2. individual
3. species 
4. community

Which of the following is not a precondition for Hardy-Weinberg Equilibrium?
1. The population should be large
2. The mating should be assortative
3. There is no gene flow into or out of the population
4. All offspring should be equally fertile

Which of the following types of natural selection reduces variation but does not change the mean value?
1. directional 
2. stabilizing
3. disruptive 
4. all of these

The cause of the high incidence of the allele of sickle cell anaemia in human population is due to :
1. genetic drift 
2. natural selection
3. bottleneck effect 
4. founder effect

The persistence of different genotypes in a population through heterozygote superiority is an example of :
1. mutation 
2. parallel evolution
3. polymorphism 
4. adaptive radiation

In a sympatric speciation, there is :
1. geographical isolation between groups of population
2. no geographical isolation between groups of population
3. reproductive isolation of a subpopulation in the midst of the parent population
4. geographical isolation bout no reproductive isolation

Which of the following is the most important precondition for speciation to occur?
1. reproductive isolation 
2. a crash of the population size
3. adaptive radiation 
4. random mating

Some of the marsupials of Australia resemble equivalent placental mammals that live in similar habitats of other continents. This is an example of:
1. Convergent evolution
2. Divergent evolution
3. Saltatory evolution
4. Adaptive radiation

Which of the following pairs of organs do not represent analogous organs?
1. Eye of an octopus and eye of a mammal
2. Flippers of penguin and flippers of dolphin
3. Wings of bat and forelimbs of humans
4. Wings of birds and wings of butterfly

In Humans, muscles of external ear, nictitating membrane, and body hair are all examples of :
1. homologous organs 
2. analogous organs
3. visceral organs 
4. vestigial organs

“Organisms that share common descent show underlying embryological patterns on which they build later their adult patterns”. This is :
1. Haeckel’s law 
2. Baer’s law
3. Gauss law 
4. Allen’s rule