List of top Zoology Questions on Evolution

If speciation takes place due to geographical isolation, it is called

Choose the correct pair

Study the following and choose the incorrect statements
I. In stabilizing selection, the organisms with average phenotype are preserved, whereas extreme individuals of both sides are eliminated
II. Movement of genes from one population to the other is called directional selection
III. Centripetal selection operates when homogeneous environment changes into a heterogeneous type
IV. Genetic drift is related to small populations

Match LIST-I with LIST-II
\begin{tabularx}{0.8\textwidth}{|l|X|l|X|} \hline \multicolumn{2}{|c|}{LIST-I} & \multicolumn{2}{c|}{LIST-II}
\multicolumn{2}{|c|}{Period} & \multicolumn{2}{c|}{Genra of horse}
\hline A. & Pleistocene & I. & Eohippus
B. & Eocene & II. & Mesohippus
C. & Miocene & III. & Equus
D. & Oligocene & IV. & Merychippus
\hline \end{tabularx}
Choose the most appropriate answer from the options given below:

Which of the following phenomena can lead to microevolution?
A. Natural Selection
B. Sexual Selection
C. Genetic Drift
Choose the most appropriate answer from the options given below:

Which of the following statements are correct about the phenomenon of genetic drift?
A. It occurs in a small population.
B. It leads to the loss of genetic variation within population.
C. It doesn't change the allele frequency randomly.
D. It occurs in a large population.
Choose the most appropriate answer from the options given below:

The increase in the beak depth of Galápagos finches with a relative abundance of large seeds, is an example of