Evolution

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

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

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

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

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

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

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

Among the human ancestors the brain size was more that 1000 cc in

The finches of Galapagos islands provide an evidence in favour of

One of the important consequences of geographical isolation is

Thorn of Bougainvillea and tendril of cucurbita are example of

What is common between parrot, platypus and kangaroo?

According to Darwin, The organic evolution is due to

Darwinism finches are an excellent example of

What is common to whale, seal and shark?

Darwin’s finches are a good example of:

Peripatus is a connecting link between:

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?

Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as : [2012]

Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the biogenic origin of life?

Which one of the following scientists name is correctly matched with the theory put forth by him?

Which one of the following is a matching pair of a body feature and the animal possessing it?

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

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

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

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 fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was

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

Which one of the following statement is correct?

Industrial melanism as observed in peppered moth proves that

The concept of chemical evolution is based on

The idea of mutations was brought forth by

Adaptive radiation refers to

Genetic drift operates only in

Earth originated approximately

Wings of birds and forelimbs of horse are ___ organs

Who coined the term ‘Homo sapiens’?

Which one of the following is vestigial organ in human beings

Which one of the following are homologous organs?

Which one is linked to evolution

Which of the following shows smallest cranial capacity?

Which of the following is the most evident source of evolution?

Which of the following is formed in S. Miller’s classic experiment?

Which of the following changes involved in irrelevant in the evolution of man

Which of the following basic processes affect the Hardy Weinberg equilibrium?

Which is the following is the most primitive ancestor of man?

Which fossil man has been known from shivalik Hill in India?

When the members of one population do not breed at the same time of the year as the members of another population it is called

What is the best way to test the relatedness of two species?

Ultimate source of organic variation is the process which provide raw materials for evolution is

Two organs which are similar in structure and origin, but not necessarily in function are called

Theory of continuity of germplasm was given by

The unit of natural selection is

The ultimate source of variation is

The term ‘protobiogenesis’ is used for theory to

The ship in which Charles Darwin travelled was

The spark-discharge apparatus to test chemical evolution life was designed by

The presence of gill slits, in the embryos of all vertebrates, supports the theory of

The oldest fossil record from India is of a blue green algae which is 2.9 billion years old. It is

The modern man differs from the apes in

The modern bird rise in

The golden age of Dinosaurs was during which of the following era?

The first living organisms that appeared on the planet, according to the most accepted view, were

The earth was formed about how many years ago?

The earth is believed to be 4,500 million years old, life on this planet is estimated to have originated not earlier than

The earliest members of hominids, which evolved more than four million years ago belong to

The Earliest fossil form, in the phylogeny of horse, is

The connecting link between annelida and mollusca is

The concept on the origin of species by means of Natural Selection was first published in

The closely related morphologically similar sympatric populations, but reproductively isolated are designated as

The chance of elimination of genes from a small population is an example of

The brain capacity of Homo erectus was

The biogenetic law of Haeckel is

The best description of natural selection is

The age of fossils is determined by

Tendril of Cucurbita & thorns of Bougainvillea are

Swan neck flask experiment was performed by

Species that occur in different geographical regions or separated by spatial barrier are said to be

Pithecanthropus erectus fossil was found in

Organic evolution is

One of the oldest, best preserved and most complete hominid fossil commonly known as ‘Lucy’ belongs to the genus

On the basis of hereditary material(chromosome) most closest relative of man in

Natural selection’s theory was given by

Natural selection favours the leaf butterfly because it shows:

Mutation cannot explain

Modern man is evolved

Miller and Urey performed an experiment to prove the origin of life. They took gases NH₃ and H₂ alongwith

Maximum cranial capacity was in

Man was originated in which era?

Lederberg and lederberg demonstrated that mutations are preadaptive. They used the following tecnique for the purpose

Institute of paleobotany is situated at

In the primitive atmosphere which was not available in free state?

Hybrid vigour is due to

Human ancestors who left cave paintings were

Homo erectus erectus is the scientific name of