Evolution Questions

Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution?

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

Which of the following is a correct statement about classification?

How does classification help in understanding evolutionary history?

What is the role of systematics in classification?

Select the correct statement from the following:

Which of the following statements about classification is correct?

Which of the following statements about taxonomy is incorrect?

When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:

Adaptive radiation refers to:

What is common to whale, seal and shark?

Which one of the following statement is correct?

The finches of Galapagos islands provide an evidence in favour of:

Industrial melanism as observed in peppered moth proves that:

The concept of chemical evolution is based on:

Among the human ancestors the brain size was more than $1000\text{cc}$ in:

One of the important consequences of geographical isolation is:

Which of the following is the correct sequence of events in the origin of life?I. Formation of protobiontsII. Synthesis of organic monomersIII. Synthesis of organic polymersIV. Formation of DNA-based genetic systems

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

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

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

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eyebrows, retreating foreheads, 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:

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

According to Darwin, organic evolution is primarily due to:

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

The idea of mutations was brought forth by:

There are two opposing views about origin of Modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variations of DNA however suggested African origin of Modern man. What kind of observation on DNA variation could suggest this ?

The eye of an octopus and the eye of a cat show different patterns of structure, yet they perform similar functions. This is an example of:

Industrial melanism is an example of:

Forelimbs of a cat and lizard used in walking; forelimbs of a whale used in swimming and forelimbs of bats used in flying are an example of:

Which one of the following are analogous structures?

The wings of a bird and the wings of an insect are:

Industrial melanism is an example of:

Which of the following structures is homologous to the wing of a bird?

Following are the two statements regarding the origin of life:(i) The earliest organisms that appeared on the earth were non-green and presumably anaerobes.(ii) The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements, which one of the following options is correct?

Analogous structures are a result of:

Genetic drift operates in:

The chronological order of human evolution from early to the recent is:

Which of the following is incorrect about cladistics?

Assertion : Human ancestors never used their tails and so the tail expressing gene has disappeared in them.Reason : Lamarck's theory of evolution is popularly called theory continuity of germ plasm.

Comparative biochemistry provides a strong evidence in favour of common ancestry of living beings.

Darwin’s finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds.

Which one of the following amino acids was not found to be synthesized in Miller’s experiment?

An important evidence in favour of organic evolution is the occurrence of:

Which one of the following is not a living fossil?

Jurassic period of the Mesozoic era is characterised by:

Evolutionary history of an organism is known as:

Sickle cell anaemia has not been eliminated from the African population because:

Which of the following is correct about systematics?

Which one of the following characteristics is common both in humans and adult frogs?

Which of the following best describes Systematics?

Which one of the following in birds indicates their reptilian ancestry?

Thorn of Bougainvillea and tendril of Cucurbita are examples of:

What is true about isolated small tribal populations?

Which scientist's name is correctly matched with his theory?

Which statement is INCORRECT regarding protobionts (coacervates/microspheres) in the origin of life?

Darwin's Finches are an excellent example of:

Peripatus is a connecting link between:

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

Darwin’s finches are a good example of: