Viviparity is considered to be more evolved because 
 

1.	the young ones are left on their own
2.	the young ones are protected by a thick shell
3.	the young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival
4.	the embryo takes a long time to develop

Fossils are generally found in 

1. sedimentary rocks 

2. igneous rocks

3. metamorphic rocks 

4. any type of rock  

For the MN-blood group system, the frequencies of M and N alleles ar 0.7 and 0.3 respectively. The expected frequency of MN-blood group bearing organisms is likely to be 

1. 42%

2. 49%

3. 9%

4. 58%

Industrial melanism observed in moth, Biston betularia, is which type of selection?

1. Stabilising 

2. Directional 

3. Disruptive

4. Artificial

The most accepted line of descent in human evolution is 
 

Which of the following is an example for link species?
1. Lobed fin fish
2. Dodo bird
3. Sea weed
4. Chimpanzee

Match the scientists listed under column I with ideas listed column II.

Codes 
 

In 1953 SL Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include 

Variations during mutations of meiotic recombinations are 

1. random and directionless
2. random and directional 
3. random and small  
4. random, small and directional

Evolution of life shows that life forms had a trend of moving from:

1. land to water

2. dryland to wetland

3.  freshwater to sea water

4. water to land