NEET UG 2013 — Evolution

The eyes of Octopus and eyes of cat show different patterns of structure, yet they perform similar function. This is an example of

Dinosaurs dominated the world in which of the following geological eras?

Random unidirectional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as:

Genetic variation in a population arises due to:

The tendency of population to remain in genetic equilibrium may be disturbed by

The finch species of Galapagos islands are grouped according to their food sources. Which of the following is not a finch food?

Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as

According to Darwin, the organic evolution is due to

The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called