Which one of the followings is also called Sewall Wright Effect?
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:
Answer: Convergent evolution
Select the correct statement from the following:
Answer: Fitness is the end result of the ability to adapt and gets selected by nature
Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as
Answer: Adaptive radiation
The idea of Natural selection as the fundamental process of evolutionary changes was reached
Answer: Independently by Charles Darwin and Alfred Russel Wallace in 1859
Analogous structures are
Answer: Anatomically different but performing similar functions
An important evidence in favor of organic evolution is the occurrence of
Answer: Homologous and vestigial organs
Jurassic period of the Mesozoic era characterized by
Answer: Gymnosperms are dominant plants and first birds appear
Organic compounds first evolved in earth required for origin of life were
Answer: Proteins and Nucleic acids
Which one of the following statements is correct?
Answer: Ontogeny repeats phylogeny
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
Answer: Increasing cranial capacity
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from nonliving matter
Answer: Meat was not spoiled, when heated and kept sealed in a vessel
Which one of the followings is incorrect about genetic drift?
Answer: Significant only in large populations
Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?
Answer: They could separate combinations of molecules from the surroundings
Selective breeding of organisms (Animal husbandry and plant breeding programs) for specific desirable characteristics are examples of
Answer: Artificial selection