The animal group which does not exist in Galapagos island is
| 1. | Insects | 2. | Protozoa | 
| 3. | Crustacea | 4. | Amphibia | 
Appearence of dark-coloured pepper moths among the light-coloured ones as a result of increased industrial pollution is an example of
| 1. | Disruptive selection | 
| 2. | Stabilizing selection | 
| 3. | Directional selection | 
| 4. | None of the above | 
Match the columns
| Column I | Column II | ||
| A | Hugo de Vries | 1 | Inheritance of acquired characters | 
| B | Julian Huxley | 2 | Multiplication of individual species in geographical proportion | 
| C | Jean Baptiste | 3 | Mutation theory of evolution | 
| A | B | C | |
| 1. | 1 | 2 | 3 | 
| 2. | 2 | 3 | 1 | 
| 3. | 3 | 1 | 2 | 
| 4. | 3 | 2 | 1 | 
Hardy-Weinberg's principle of 'zero evolution' is based on
| 1. | genetic equilibrium | 2. | random mating | 
| 3. | no migrations | 4. | All of the above | 
What does the term 'reproductive isolation' refers to?
| 1. | An individual is unable to fertilise itself | 
| 2. | Genes are not exchanged between two populations | 
| 3. | Individuals from two populations never mate | 
| 4. | Individuals form two populations never produce offsprings | 
Below are listed some pairs of characters. the homologous pair is
| 1. | forelimbs of dog and camel | 
| 2. | insect wing and batwing | 
| 3. | feathers of birds and fins of fish | 
| 4. | lens of vertebrate and arthropod | 
Pythons possess tiny leg bones that serve no purpose in locomotion. Such organs are
| 1. | homologous organs | 
| 2. | analogous organs | 
| 3. | vestigial organs | 
| 4. | Both (a) and (c) | 
The two critical steps in the evolution of humans were the
| 1. | evolution of bipedalism and the enlargement of the brain | 
| 2. | making and using tools | 
| 3. | using fire and making shelters | 
| 4. | exhibiting culture and having sophisticated tools | 
Why does it is said that looking at stars on a clear night sky means looking back in time?
| 1. | What we are seeing at that time is actually has stated its journey millions of years back | 
| 2. | What we are seeing at that time is actually has stated its journey trillions of days back | 
| 3. | What we are seeing at that time is actually has stated its journey thousands of days back | 
| 4. | What we are seeing at that time is actually has stated its journey thousands of kilometers away | 
Which of the following statements are not true?
| 1. | The origin of life is considered a unique event in the history of universe. | 
| 2. | Earth is just a speck. | 
| 3. | Universe is almost 20 billion years old | 
| 4. | Galaxies contain stars and clouds of gas and dust |