Which of the following structures is homologous to the wing of a bird? 
1. Dorsal fin of a shark
2. Wing of a moth
3. Hind limb of Rabbit
4. Flipper of whale 

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?  
1. Wings of honey bee and wings of crow - Homologous organs
2. Thorn of Bougainvillea and tendrils of Cucurbita - Analogous organs
3. Nictitating membrane and blind spot in human eye - Vestigial organs
4. Nephridia of earthworm and Malpighian tubules of cockroach - Excretory organs
 

Evolutionary history of an organism is known as
1. Phylogeny
2. Ancestry
3. Paleontology
4. Ontogeny

Persons with sickle cell trait are resistant to severe malaria. This shows:
1. heterozygote advantage
2. heterosis
3. punctuated equilibrium
4. reverse evolution

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

1. land to water

2. dryland to wet land

3. fresh water to sea water

4. water to land