Evolution
Practice model questions for medical entrance examinations ,CBSE and state board examinations.
Questions
According to Lamarckism, new needs produce modifications of the existing organs and formation of new organs. It is known as
- Inheritance of acquired characters
- Mutation
- Genetic drift
- Natural selection
Directions: The following question has four choices out of which ONLY ONE is correct.
Which of the following are correctly matched?
- Darwin-Inheritance of acquired characters
- De Vries-Theory of abiogenesis
- Abbe Spallanzani-Recapitulation theory
- Weismann-Germplasm theory
Which of the following theories states that in a small randomly mating population, the allelic frequencies remain constant from generation to generation?
- Darwinism
- Mutation theory
- Hardy Weinberg Principle
- Lamarckism
Lamark proposed his theory of inheritance of acquired characters in the book titled
- Philosophie zoologique
- Origin of species
- Species planetarium
- The fall of a sparrow
If new species develops from a geographically isolated population, it is termed as
- Sympatric speciation
- Parapatric speciation
- Sibling speciation
- Allopatric speciation
Which of the following is the modern theory of evolution?
- Theory of catastrophism
- Theory of chemical evolution of life
- Theory of panspermia
- Theory of special creation
Which of the following is the ultimate source of organic variation?
- Natural selection
- Sexual reproduction
- Mutation
- Hormonal action
The set of homologous organs amongst the following is
- Wings of insect and wings of bat
- Eyes of man and eyes of squid
- Gills of fish and lungs of man
- Tendril in cucurbit and thorn in citrus
Which of the following substances was obtained by Miller, while performing the experiments to prove chemical evolution of life?
- Hydrogen
- Ammonia
- Proteins
- Amino Acid
Theory of panspermia explains that
- Life originated from pre-existing life
- God created life on earth
- Life originated spontaneously from non-living things
- Life spores arrived on the earth from some other planets
Theory of chemical evolution of life was experimentally proved by
- Oparin and Haldane
- Urey and Miller
- Hardy Weinberg
- Louis Pasteur
Formation of different genotypes in the new settlement when a small group of population finds a new settlement is called
- Bottleneck effect
- Founder effect
- Mutation
- Genetic drift
Who is the author of the book 'Origin of life', which explains chemical evolution of life?
- C.Darwin
- Lamarck
- A.I.Oparin
- Malthus
Many mosquitoes are now resistant to DDT because
- DDT caused gene mutation in mosquitos
- DDT resistant forms got naturally selected and reproduced
- DDT inhibits competition among mosquitos
- DDT triggers the synthesis of resistant proteins
Who proposed the principle that man tends to multiply more rapidly than food supply?
- Hugo deVries
- Oparin
- Darwin
- Malthus
Industrial melanism was exhibited by
- Butterfly
- Peppered moth
- Mosquitoes
- Darwins finches
'Devonian period' was the age of
- Amphibians
- Reptiles
- Mammals
- Fishes
The author of the book 'Origin of species' is
- S. L. Miller
- A.I. Oparin
- De Vries
- C. Darwin
Fossils are commonly found in
- Igneous rocks
- Metamorphic rocks
- Sedimentary rocks
- Volcanoes
Which of the following is not a vestigial organ in man?
- Plica semilunaris
- Vermiform appendix
- Wisdom tooth
- Incisors
Which one of the following has recently become extinct?
- Dinosaur
- Dodo
- Mammoth
- Archaeopteryx
Egg laying mammals have evolved from
- Birds
- Amphibians
- Fishes
- Reptiles
Which of the following factors does not affect Hardy Weinberg equillibrium?
- Genetic drift
- Natural selection
- Mutation
- Atavism
Big bang theory is related with
- Origin of life
- Origin of earth
- Origin of species
- Origin of cells
The fossil archaeopteryx is the connecting link between
- Fishes and amphibians
- Amphibians and reptiles
- Reptiles and birds
- Reptiles and mammals