A population of a species invades a new area. Which of the following condition will lead to Adaptive Radiation?

1.	Area with a large number of habitats having very low food supply
2.	Area with a single type of vacant habitat
3.	Area with many types of vacant habitats
4.	Area with many habitats occupied by a large number of species

Which of the following statements is correct about the origin and evolution of men?

In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to as :

1. Adaptive Radiation

2. Divergent Evolution

3. Cyclical Evolution

4. Convergent Evolution

Match the hominids with their correct brain size:

Select the correct option.

In a species, the weight of a newborn ranges from 2 to 5 kg. 97% of the newborns with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 kg to 5 kg die. Which type of selection process is taking place?

A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population?

1. 0.16 (AA); 0.36 (Aa); 0.48 (aa)

2. 0.36 (AA); 0.48 (Aa); 0.16 (aa)

3. 0.16 (AA); 0.24 (Aa); 0.36 (aa)

4. 0.16 (AA); 0.48 (Aa); 0.36 (aa)

Variations caused by mutation, as proposed by Hugo de Vries, are:

Which of the following refers to correct example(s) of organisms that have evolved due to changes in environment brought about by anthropogenic action?

(a) Darwin's Finches of Galapagos islands

(b) Herbicide-resistant weeds

(c) Drug-resistant eukaryotes

(d) Man-created breeds of domesticated animals like dogs

1. (a) and (c)

2. (b), (c) and (d)

3. only (d) 

4. only (a) 

From his experiments, S.L. Miller produced amino acids by mixing which of the following in a closed flask:

1. ${\mathrm{CH}}_3,$ ${\mathrm{H}}_2,$ ${\mathrm{NH}}_4$ $\mathrm{and}$ $\mathrm{water}$ $\mathrm{vapour}$ $\mathrm{at}$ $800°\mathrm{C}$

2. ${\mathrm{CH}}_4,$ ${\mathrm{H}}_2,$ ${\mathrm{NH}}_3$ $\mathrm{and}$ $\mathrm{water}$ $\mathrm{vapour}$ $\mathrm{at}$ $600°\mathrm{C}$

3. ${\mathrm{CH}}_3,$ ${\mathrm{H}}_2,$ ${\mathrm{NH}}_3$ $\mathrm{and}$ $\mathrm{water}$ $\mathrm{vapour}$ $\mathrm{at}$ $600°\mathrm{C}$

4. ${\mathrm{CH}}_4,$ ${\mathrm{H}}_2,$ ${\mathrm{NH}}_3$ $\mathrm{and}$ $\mathrm{water}$ $\mathrm{vapour}$ $\mathrm{at}$ $800°\mathrm{C}$

Flippers of Penguins and Dolphins are examples of: