Agriculture and human settlement started about 

1.	75000 years ago	2.	18000 years ago
3.	10000 years ago	4.	1.5 mya

During course of evolution, the land reptiles which went back into water to evolve into fish-like reptiles, about 200 mya would refer to 

1. Icthyosaurs

2. Tyrannosaurus

3. Pelycosaur

4. Therapsid

The theory of spontaneous generation says that 

1. Life originated from the decaying and rotting matter like straw , mud etc 

2. Life came on the earth from outerspace

3. Life comes from pre-existing life only

4. Life started with the replication of self replicating metabolic capsules 

Select the incorrect match with respect to placental mammals and Australian marsupials.

According to Hardy - weinberg principle, the frequency of homozygous recessive (aa) individuals in a population is denoted by

1. $p^2$

2. 2pq

3. $q^2$

4. p + q

Match column I and column II with respect to cranial capacity

Choose the correct option

1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iv), b(iii), c(ii), d(i)
4. a(iii), b(iv), c(i), d(ii)

Hardy-Weinberg equation is used to check

1. Size of population 

2. Whether evolution is occuring in a population or not

3. Average lifespan of a population

4. Maximum life expectancy of a population

Adaptive radiation can be observed in all cases except

1. marsupial radiation

2. Variety of beaks in Darwin's finches

3. Placental diversification in North American

4. Wing structure of butterfly, bat and bird

Mark the correct statement with respect to industrial melanism:

Which of the following is not an example of analogous structure ?

1. Eye of Octopus and mammal

2. Flippers of penguins and dolphin

3. Sweet potato and potato 

4. Mouth parts of cockroach and mosquito