InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Species isA. population of one typeB. a group of interbreeding populationsC. a group of individuals inhabiting a geographical areaD. population of individual having same genotypes and phenotypes |
| Answer» Correct Answer - b | |
| 52. |
Speciation is caused by `:`A. isolationB. ecological isolationC. geographical isolationD. reproductive isolation |
| Answer» Correct Answer - D | |
| 53. |
Geographic and reproductive isolation are most closely associated with Or The origin of species from pre-existing species isA. mutationB. isolationC. polyploidyD. speciatio |
| Answer» Correct Answer - D | |
| 54. |
Which is basis of evolutionA. CellB. SpeciesC. individualD. Population |
| Answer» Correct Answer - B | |
| 55. |
Now unit of evolution is calledA. familyB. speciesC. individualD. population |
| Answer» Correct Answer - d | |
| 56. |
Geographic and reproductive isolation are most closely associated with Or The origin of species from pre-existing species isA. speciationB. extinctionC. successionD. competition |
| Answer» Correct Answer - a | |
| 57. |
Speciation usually occurs `:`A. suddenlyB. by genetic driftC. when populations are geographically isolatedD. when populations are not geographically isolated |
| Answer» Correct Answer - c | |
| 58. |
Two animals are considered different species if they `:`A. cannot interbreedB. look differentC. live in different habitatsD. are geographically isolated |
| Answer» Correct Answer - A | |
| 59. |
Fossilization refers to `:`A. organisms eaten by predatorsB. organisms destroyed by calamitiesC. organisms destroyed by scavengersD. animals buried and preserved by natural process |
| Answer» Correct Answer - d | |
| 60. |
Existence of coal or petroleum can be known from the study of `:`A. ecologyB. bacteriologyC. economic botanyD. palaeobotany |
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Answer» Correct Answer - D Coal and petroleum are produced in the Earth by the process of fossilization and known as fossil fuels. |
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| 61. |
Whose bicentenary is the year 2009A. DarinB. Stanley MillerC. T.H. MorganD. Edward Jenner |
| Answer» Correct Answer - a | |
| 62. |
Two species of water lilies in the same pond do not interbreed because one blooms at night and the other during the day. The reproductive barrier between them is an example of `:`A. temporal isolationB. gametic isolationC. ecological isolationD. mecahnical isolation |
| Answer» Correct Answer - a | |
| 63. |
Which of the following reproductive barriers actually prevents individual of different species from mating with each other ?A. Gametic isolationB. Hybrid sterilityC. Behavioural isolationD. Hybrid inviability |
| Answer» Correct Answer - c | |
| 64. |
Galapagos Islands are located in the`:`A. Pacific OceanB. Atlantic OceanC. Indian OceanD. Mediterranean Sea |
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Answer» Correct Answer - A Galapagos Islands (Ecuador) are located in the South Pacific Ocean. |
|
| 65. |
The Galapagos Islands were associated with `:`A. Jean LamarckB. Charles DarwinC. Alfred WallaceD. Gregor Mendel |
| Answer» Correct Answer - b | |
| 66. |
Which one provides correct sequence of events in origin of species according to Darwinism ? 1. Natural selection 2. Variations and their inheritance ? 3. Survival of fittest 4. Struggle for existenceA. 1,2,3,4B. 2,4,3,1C. 4,2,3,1,D. 2,3,1,4 |
| Answer» Correct Answer - C | |
| 67. |
Darwin travelled in which ship ?A. H.N.S. EagleB. TitanicC. H.M.S. BeagleD. D. Matrica |
| Answer» Correct Answer - C | |
| 68. |
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 `:`A. sexual isolationB. habitat isolationC. seasonal isloationD. geograhic isolation |
| Answer» Correct Answer - c | |
| 69. |
Which of the follownig is known as living fossil ?A. LepidosirenB. LatimeriaC. LepidosteusD. Neoceratodus |
| Answer» Correct Answer - B | |
| 70. |
Match the following `(GRB_OBJ_BIO_IIND_C56_E01_426_Q01)`A. A=5,B=1,C=4,D=2B. A=5,B=4,C=3,D=2C. A=3,B=1,C=2,D=5D. A=5,B=1,C=4,D=3 |
| Answer» Correct Answer - A | |
| 71. |
The mutation (mechanism of origin of variations ) was suggested by `:`A. MendelB. DarwinC. LarmarckD. De Vries |
| Answer» Correct Answer - D | |
| 72. |
Bacteria can adapt to changes in the environment by means of mutation alone because `:`A. they multiply so rapidlyB. they are so small in sizeC. their populations are so largeD. their populations are very isolated from one another |
| Answer» Correct Answer - a | |
| 73. |
Adaptations `:`A. have the appearance of a close match between the organism and its environmentB. help the organism accomplish important functionsC. are often complexD. all of the above |
| Answer» Correct Answer - d | |
| 74. |
Adaptations `:`A. are not commonB. result from genetic driftC. result from natural selectionD. are features of the organism that hinder its performance in its environemnt |
| Answer» Correct Answer - c | |
| 75. |
Successful adaptation simply means `:`A. producing offspringB. an increase in fitnessC. moving to a new placeD. evolving new characteristics |
| Answer» Correct Answer - b | |
| 76. |
The oldes fossils usually `:`A. have the longest half-livesB. are found in the deepest strataC. are found above younger fossilsD. contain more radioactive isotopes than younger fossils |
| Answer» Correct Answer - b | |
| 77. |
Which one of the following is not important for evolutionA. MutationB. Genetic driftC. somatic variation are not heritableD. Recombination |
| Answer» Correct Answer - C | |
| 78. |
In the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in England during industrial revolution. This is an example ofA. inheritance of darker colour character individuals due to the darker environmentB. appearance of the darker coloured individuals due to very poor sunlightC. natural selection whereby the darker forms were selectedD. protective mimicry |
| Answer» Correct Answer - C | |
| 79. |
Adaptation of a species is its `:`A. acquired characterB. ecdysisC. hereditary characterD. metamorphosis |
| Answer» Correct Answer - C | |
| 80. |
Indian tradition of boring ears and nostrils `:`A. neither supports nor disproves LamarckismB. supports LamarckismC. disproves LamarckismD. None of the above |
| Answer» Correct Answer - c | |
| 81. |
When potential mates occupy overlapping ranges but reproduce at different times, This is a case of `………………….` isolationA. temporalB. gameticC. mechanicalD. post zygotic |
| Answer» Correct Answer - a | |
| 82. |
Who said that acquired characters are not inherited ?A. MullerB. MorganC. WeismannD. Hogo de Vries |
| Answer» Correct Answer - c | |
| 83. |
In a population where competition between individuals is severe then the distribution is said to be `:`A. uniformB. randomC. irregularD. non-random |
| Answer» Correct Answer - d | |
| 84. |
Fossil X is older than fossil Y because `:`A. fossil Y was found in deeper sedimentationB. foddisl X was found in deeper sedimentationC. fossil Y has some vestigial organs functional in XD. fossil Y has homologous and analogous organs of X |
| Answer» Correct Answer - b | |
| 85. |
Species that do not interbreed in nature are said to be `,`A. sterileB. hybridsC. reproductively isolatedD. geographically isolated |
| Answer» Correct Answer - c | |
| 86. |
Which is not a pre-zygotic isolation mechanismA. Seasonal isolationB. Hybrid sterilityC. ecological isolationD. geographical isolation |
| Answer» Correct Answer - B | |
| 87. |
Which of the following evolutionary mechanisms acts to slow down or prevent the evoltuion of reproductive isolation ?A. MutationB. Gene flowC. Genetic driftD. Natural selection |
| Answer» Correct Answer - B | |
| 88. |
Reproductive isolating mechanisms `:`A. reinforce genetic divergenceB. prevent interbreedingC. prevent gene flowD. all of the above |
| Answer» Correct Answer - d | |
| 89. |
Correct order is `:`A. `{:("Palaeozoic",rarr,"Mesozoic",rarr,"Coenozoic"):}`B. `{:("Mesozoic",rarr,"Archaeozoic",rarr,"Proterozoic"):}`C. `{:("Palaeozoic",rarr,"Archaeozoic",rarr,"Coenozoic"):}`D. `{:("Archaeozoic",rarr,"Palaeozoic",rarr,"Proterozoic"):}` |
| Answer» Correct Answer - A | |
| 90. |
Some organisms resemble other organisms and thus escape from enemies. This phenomenon is known as :A. mimicryB. homologyC. natural selectionD. artificial selection |
| Answer» Correct Answer - a | |
| 91. |
The precipitation method of blood test for finding out the interrelationship among different animals was conducted by `:`A. NutallB. CauvierC. HaeckelD. Landsteiner |
| Answer» Correct Answer - a | |
| 92. |
Cytochrome-x was used as an evidence for organic evolution by `:`A. KrebsB. NutallC. CalvinD. Dickerson |
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Answer» Correct Answer - D Cytochromes are iron-containing pigments that serve as electron carries in aerobic respiration. |
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| 93. |
What is evolutions ?A. Development of a cell from a chemicalsB. Development of organism through timeC. Devlopment of DNA from nucleotidesD. None of the above |
| Answer» Correct Answer - b | |
| 94. |
Disruptive selection `:`A. eliminates uncommon forms of allelesB. does not favour intermediate forms of a traitC. shifts allele frequencies in a steady, consistent directionD. all of the above |
| Answer» Correct Answer - b | |
| 95. |
Statement (S): Species are groups of potentially interbreeding natural populations that are isolated from other such groups Reason (R): Reproductive isolation brings about distinctive morphological charactersA. Both (A ) and (R ) are true and (R ) is the correct explanation of (A).B. Both (A ) and (R ) are true but (R ) is not the correct explanation of (A)C. (A ) is true statement but (R ) is falseD. Both (A ) and (R ) are false |
| Answer» Correct Answer - B | |
| 96. |
Giraffe has long neck because `:`A. of evolution and adaptionB. their ancestors were long neckedC. environments is suitable for its long neckD. they have become long due to their need from past |
| Answer» Correct Answer - a | |
| 97. |
Same species found in different geographical areas are called `:`A. allopatricB. siblingC. sympatricD. none of these |
| Answer» Correct Answer - A | |
| 98. |
Statement (s ) `:` Populations of a species inhabiting different geographical areas are in a continuous process of adaptation to their surrounding environments and this leads to the evolution of species. Reason (R ) `:` Geographical barriers obstruct interbreeding of populations of a species leading to reproductive isolation and evolution of new species.A. Both (S ) and (R ) are not trueB. Only (S ) is true but not (R )C. Both (S ) and (R ) are true but (R ) does not explain (S )D. Both (S ) and (R ) are true and (R ) is the correct explanation of (S ) |
| Answer» Correct Answer - D | |
| 99. |
Modern theory of organic evolution is based on `:`A. mutationB. populationC. isolationD. all of these |
| Answer» Correct Answer - d | |
| 100. |
The most accepted and recent theory of organic evolution is `:`A. LamarckismB. DarwinismC. Theory of isolationD. Synthetic theory |
| Answer» Correct Answer - D | |