Evolution PYQ — Page 3

A population will not exist in Hardy-Weinberg equilibrium if:

Which one of the following are analogous structures?

The ________ theory attempts to explain to us the origin of the universe.

In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa, and the remaining 160 to aa, Based on this data, the frequency of allele A in the population is:

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

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

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

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

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

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:

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

According to Darwin, the organic evolution is due to

Which one of the following options gives one correct example each of convergent evolution and divergent evolution? 

What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

The extinct human who lived 100000 to 40000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was

Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as

What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

The most apparent change during the evolutionary history of Homo sapiens is traced in

Given below are four statements (A - D) each with one or two blanks. Select the OPTION which correctly fills up the blanks in two statements. (A) Wings of butterfly and birds look alike and are the results of (i) evolution. (B) Miller showed that $\mathrm{CH}_4, \mathrm{H}_2, \mathrm{NH}_3$ and (i), when exposed to electric discharge in a flask resulted information of (ii) (C) Vermiform appendix is a (i) organ and an (ii) evidence of evolution. (D) According to Darwin evolution took place due to (i) and (ii) of the fittest.

Darwin's finches are a good example of

Crocodile and penguin are similar to whale and dogfish in which one of the following features?

In the case of peppered moth (Biston betutaria) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of

In the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in England during industrial revolution. This is an example of -