Flippers of Penguins and Dolphins are examples of:

1.	Convergent evolution	2.	Industrial melanism
3.	Natural selection	4.	Adaptive radiation

Ernst Haeckel's embryological support for evolution was disapproved by:

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

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) 

Embryological support for evolution was proposed by:

After about how many years of the formation of the earth, life appeared on this planet?

1. 500 billion years

2. 50 million years

3. 500 million years

4. 50 billion years

The phenomenon of the evolution of different species in a given geographical area starting from a point and spreading to other habitats is called:

A Hominid fossil discovered in Java in 1891, now extinct, having a cranial capacity of about 900 cc was:

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

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