InterviewSolution
Saved Bookmarks
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.
| 151. |
The ship on which Darwin worked as naturalist was :A. BeagleB. CenturyC. SeagelD. Norway |
| Answer» Correct Answer - A | |
| 152. |
In a population of 1000 individuals 360 belong to genototype AA ,480 to Aa and the remaining 160 to aa Based on this data ,the frequency of allele A in the population isA. `0.4`B. `0.5`C. `0.6`D. `0.7` |
| Answer» Correct Answer - C | |
| 153. |
In 1953 S.L. Miller created primitive earth conditions in the labortory and gave experimental evidence for origin of first form of life from pre-existing non-living. Organic molecuels. The primitve earth condition created include.A. Low temperatreu, volcanic storms, atomosphere rich in oxygenB. Low temperature , volcanic stroms, reducing atomsphereC. Low temperature, volcanic stroms, non-reducing atmosphereD. Higher temperature, volcanic stroms, reducing atmosphere containing `CH_(4)NH_(3)` etc. |
| Answer» Correct Answer - 4 | |
| 154. |
In the experiment of Stanely Miller the temp. of water vapour was :A. `1200^(@)C`B. `1000^(@)C`C. `800^(@)C`D. `1500^(@)C` |
| Answer» Correct Answer - 3 | |
| 155. |
Stanley miller observed the formation of ______ during the experiment.A. Nuclei AcidB. NucleotidesC. Amino acidD. Polypeptide |
| Answer» Correct Answer - C | |
| 156. |
The mesozoic era of earth is called the :A. Age of amphibiansB. Age of armoured fishesC. Age of primitive manD. Age of ruling reptiles |
| Answer» Correct Answer - D | |
| 157. |
S.L. Miller an American scientist created electric discharge experiment in a closed flask containing `CH_(4),H_(2),NH_(3)` and water vapour at what temperature?A. `400^(@)C`B. `800^(@)C`C. `200^(@)C`D. `1000^(@)C` |
| Answer» Correct Answer - B | |
| 158. |
Origin of life took placee in which of the following era:A. MesozoicB. PlaeozoicC. PrecambrianD. Proterozoic |
| Answer» Correct Answer - C | |
| 159. |
Millaer and Urey performed an experiment to prove the origin of life. They took gases `NH_(3) and H_(2)` along with :A. `N_(2) and H_(2)O`B. `H_(2) O and CH_(4)`C. `CH_(4) and N_(2)`D. `CO_(2) and NH_(3)` |
| Answer» Correct Answer - B | |
| 160. |
Who proposed that the first form of life could have come from pre-existing non-living organic molecules ?A. Oparing & HaldaneB. Stanely Miller & Harold UreyC. Lamark & DrawinD. Hugo Devrie3s & Dobzhansky |
| Answer» Correct Answer - 1 | |
| 161. |
Who did an experiment to prove that ' The organic compounds were thers of life '?A. DarwingB. Stanley Miller and Harold C. UreyC. MelvinD. Fox |
| Answer» Correct Answer - B | |
| 162. |
Which evertebrates evolved into the first amphibians?A. Jawless fishesB. LobefinsC. SalamandersD. Ichthyosaurus |
| Answer» Correct Answer - 2 | |
| 163. |
The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have beenA. Urea, nucleic-acidB. Urea, amino-acidC. Proteins, nucleic-acidD. Protein, amino-acid |
| Answer» Correct Answer - C | |
| 164. |
Which of the following sets represents vestigial organsA. Cocyx, vermiform appendix and ear musclesB. Body hair, atlas vertebra and ear musclesC. Coccyx, wisdom toth patellaD. Body hair, cochlea, vermiform appendix and tangue |
| Answer» Correct Answer - A | |
| 165. |
`(p_q)^(2)+2pq+q^(2)=1` represents an equation used inA. Popluation geneticsB. Mendelian geneticsC. BiometricsD. Molecular genetics |
| Answer» Correct Answer - 1 | |
| 166. |
Selecti the true statements :A. Ramapithecus and Dryopithecus were existings about 50 million yearsB. Ramapithecus was man like while Dryopithecus was more ape likeC. Remapithecus was more ape like while Dryotpithecu was more man-likeD. 1 & 2 both |
| Answer» Correct Answer - 2 | |
| 167. |
Wings of locuts, pigeon, and bat are example of :A. Vestigial organsB. Analogous organsC. Homologous organsD. Exoskeleton |
| Answer» Correct Answer - B | |
| 168. |
Industrial melanism is an example ofA. Drug resistanceB. Darkening of skin due to smoke from industriesC. Protective resembleance with the surroundingsD. Defensive adaptation of skin against ultraviolet radiations |
| Answer» Correct Answer - 3 | |
| 169. |
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 acquired due to the darker environmentB. Natural selection whereby the darker forms were selectedC. Appearance of the darker coloured individuals due to very poor sunlightD. Protective mimicry |
| Answer» Correct Answer - B | |
| 170. |
The wings of a bird and the wings of an insect areA. homologous structures and represent convergent evolutionB. homologous strucres and represent divergent evolutionC. analogous structures and represent converget evolutionD. phylogeneticn structures adn represent diverggent evolution |
| Answer» Correct Answer - C | |
| 171. |
The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge is called `:`A. Adaptative radiationB. Natural selectionC. Convergent evolutionD. Non-random evolution |
| Answer» Correct Answer - C | |
| 172. |
According of Darwin, the organic evolution is due toA. Reduced feeding efficiency in one species due to the presence of interfering speciesB. Intraspecific competitionC. Interspecific competitionD. Competition within closely related species |
| Answer» Correct Answer - C | |
| 173. |
Dead reamins of organisms found in the earth crust are the:A. Palaentological evidencesB. Morphological evidencesC. Antamocial evidencesD. Physicological evidences |
| Answer» Correct Answer - 1 | |
| 174. |
According to Drawin, the term fitness refers to :A. Social fitnessB. Mental fitnessC. Physical fitnessD. Reproductive fitnees |
| Answer» Correct Answer - 4 | |
| 175. |
Hybride breakdown is failure of :A. Hybrid zygote to develop into offspringB. Hybrid adult to produce fertile offspringC. Fusion failure of ova and sperms of two speciesD. All the above |
| Answer» Correct Answer - B | |
| 176. |
Species separated by geographical barriers are called :-A. AllopatricB. SympatricC. SiblingD. Endemic |
| Answer» Correct Answer - A | |
| 177. |
Select the correct statement from the following :-A. Darwinian variations are small and directionlessB. Fitness is the end result of the ability to adapt and gets selected by natureC. All mammals except whales and camels have seven cervical vertebraeD. Mutations are random and directional |
| Answer» Correct Answer - 2 | |
| 178. |
Which of the following are not analogous organs ?A. fins of fishes and flippers fo whalesB. stings of honey bee and scorpionC. thorn of bougainvilla and tendril of CucurbitaD. wings of insect and wings of bird |
| Answer» Correct Answer - 3 | |
| 179. |
Homologus organs are :A. Wings of cockroach and wings of batsB. Wings of insects and wings of birdsC. Air bladder of fishes and lungs of frogD. Pectoral fins of fishes and forelimbs of horse |
| Answer» Correct Answer - 3 | |
| 180. |
Breeding is possible between two member of :-A. GenusB. FamilyC. OrderD. Species |
| Answer» Correct Answer - D | |
| 181. |
Use of atomic boms bay lead to abnormalities even in upcoming generation because of :A. Body changesB. Air populationC. Changed atoms in atmophereD. Genetic mutation |
| Answer» Correct Answer - 4 | |
| 182. |
Animal husbandry and plant breeding programmers are the examples ofA. Reverse evolutionB. Artificial selectionC. MutainD. Natural selection |
| Answer» Correct Answer - 2 | |
| 183. |
Who completely dissmissed the theory of spontaneous generation:A. Louis pasteureB. Van HelmontC. Lazzaro spallanzaniD. Fransisco Reddy |
| Answer» Correct Answer - A | |
| 184. |
Hugo Devries worked on :A. Oenothera lamarckianaB. Lathyrus odoratusC. Pisum sativumD. Arachis hypogea |
| Answer» Correct Answer - 1 | |
| 185. |
Life originated :A. 8 billion years agoB. 6 bilion years agoC. 4 bilion years agoD. 1 bilion years ago |
| Answer» Correct Answer - C | |
| 186. |
Life originated inA. AirB. EarthC. WaterD. None of these |
| Answer» Correct Answer - C | |