Evolution
Comprehensive quiz covering evolutionary theory including Darwinism, natural selection, genetic drift, mutation, human evolution, vestigial organs, speciation, and evidence for evolution. Designed for medical entrance exam preparation.
Questions
What is the correct sequence of the following events of origin of species according to Charles Darwin's theory?
- Natural selection
- Variations and their inheritance
- Survival of the fittest
- Struggle for existence
- 1, 2, 3, 4
- 4, 2, 3, 1
- 2, 3, 1, 4
- 2, 4, 3, 1
- 1, 3, 2, 4
The theory of spontaneous generation or abiogenesis was disproved by
- A. R. Wallace
- A. I. Oparin
- Louis Pasteur
- Sidney Fox
- J. B. Haldane
Charles Darwin’s book ‘On the Origin of Species: By Means of Natural Selection' was first published in
- 1779
- 1831
- 1859
- 1901
- 1869
The phenomenon of industrial melanism demonstrates
- reproductive isolation
- geographical isolation
- induced mutation
- natural selection
- sympatric speciation
Which of the following concepts states that in a small, randomly mating population, the allele frequencies remain constant from generation to generation?
- Darwinism
- Neo-Lamarckism
- Hardy Weinberg Principle
- Mutation Theory
- Lamarckism
The resemblance of a tadpole with a fish is an example of
- mutation
- natural selection
- genetic drift
- recapitulation
- gene migration
Which of the following statements regarding genetic drift is correct?
- It is an orderly change in gene frequencies.
- It produces greatest fluctuations in large populations.
- It is a random change in gene frequencies.
- It has nothing in common with inbreeding.
- It is a non-random change in gene frequencies.
Which of the following is the correct sequence of stages in evolution of modern man?
- Australopithecus, Cromagnon man, Homo erectus, Neanderthal man, Modern man
- Homo erectus, Australopithecus, Neanderthal man, Cromagnon man, Modern man
- Home erectus, Neanderthal man, Australopithecus, Cromagnon man, Modern man
- Australopithecus, Homo erectus, Neanderthal man, Cromagnon man, Modern man
- Australopithecus, Neanderthal man, Cro-magnon man, Homo-erectus and Modern man
Appearance of antibiotic resistant bacteria in a bacterial population is an example of
- divergent evolution
- convergent evolution
- pre-existing variation in the population
- inheritance of acquired characters
- adaptive radiation
A single-step large mutation is called
- point mutation
- frame shift mutation
- saltation
- genetic drift
- transition
Which of the following options about Neanderthal man is correct?
- Brain size 1400 cc
- Lived in east and central Asia 1,00,000-40,000 years back
- Used hides to protect their body
- Buried their dead
- Essentially ate fruit
Which of the following is not a vestigial organ?
- Plica semilumaris
- Wisdom tooth
- Ear pinna muscle
- Vermiform appendix
- Epiglottis
Closely related, morphologically similar, reproductively isolated sympatric populations are designated as
- biological species
- endangered species
- polytypic species
- sibling species
- clones
What do we call the formation of different genotype in new settlement when a small group of population finds new settlement?
- Bottleneck effect
- Sewell Wright effect
- Genetic drift
- Gene flow
- Founder effect
Which of the following sets of structures includes only analogous organs?
- Hind legs of horse, grasshopper and bat
- Hands of man, monkey and kangaroo
- Mandibles of cockroach, mosquito and honeybee
- Wings of butterfly, bird and bat
- Beaks of crow, duck and sunbirds