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.
| 151. |
Fossil record is most complete in `:`A. ManB. apesC. primatesD. horse |
| Answer» Correct Answer - d | |
| 152. |
The fossil record `:`A. is not completeB. documents the history of lifeC. provides examples of the evolution of major new groups of organismsD. all of the above |
| Answer» Correct Answer - d | |
| 153. |
First vertebrates appeared in `:`A. permianB. silurianC. ordovicianD. cambrian |
| Answer» Correct Answer - C | |
| 154. |
The fossil record of placoderms is found in the era `:`A. mesozoicB. coenozoicC. archaeozoicD. palaeozoic |
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Answer» Correct Answer - D Placoderms were the earlist jawed verterates appeared during the upper Silurian and lower Devonian period. |
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| 155. |
Cause of mimicry isA. attack (offence)B. isolationC. protection (defence)D. all of these |
| Answer» Correct Answer - c | |
| 156. |
To be a successful event for evolution, a mutation must occur in `:`A. somatic RNAB. plasma proteinsC. germplasm DNAD. somatoplasm DNA |
| Answer» Correct Answer - C | |
| 157. |
Lamarckian evolution could occur `:`A. if each gene had only one alleleB. if individuals had different phenotypesC. if the phenotype was altered by the environmentD. if the genotype was altered by the same environmental changes that altered the phenotype |
| Answer» Correct Answer - d | |
| 158. |
Concept of evolution is an excellent working hypothesis to approach the problem of `:`A. matter, energy and lifeB. environment and lifeC. prodigality in reproductionD. diversity of organisms upon Earth |
| Answer» Correct Answer - d | |
| 159. |
Evolution will not occur will if`:`A. genes are without effectB. there is no environment influenceC. somatic variation are not heritableD. there are no genetic variations in individuals of a population |
| Answer» Correct Answer - d | |
| 160. |
Basic idea of evolution is `:`A. cosmic evolutionB. special creationC. spontaneous generationD. descent with modification |
| Answer» Correct Answer - d | |
| 161. |
Process of evolution isA. continuousB. discontinuousC. continuous in the past but discontinuous presentlyD. discontinuous in the past but continous presently |
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Answer» Correct Answer - a The spermatids are formed after the completion of maturation division during spermatogenesis, hence contain n number of chromosomes, i.e., 23 |
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| 162. |
Doctrine of evolution is concerned with `:`A. biogenesisB. abiogenesisC. gradula changesD. special creation theory |
| Answer» Correct Answer - c | |
| 163. |
A young couple lost their lower limbs in an accident, their children will be having `:`A. normal and well developed limbsB. well developed lower limbsC. undeveloped lower limbsD. none of the above |
| Answer» Correct Answer - A | |
| 164. |
Which of the following biologists supported Lamarckism ?A. TowerB. SumnerC. KammererD. All of them |
| Answer» Correct Answer - d | |
| 165. |
The book "Philosophie Zoologique" was written by `:`A. Hugo de VriesB. LamarckC. MendelD. Haeckel |
| Answer» Correct Answer - b | |
| 166. |
Examples of vestigial organs in the human body are `:`A. wisdom tooth, coccyx, vermiform appendix, nailB. coccyx, wisdom tooth, vermiform appendix, auricular musclesC. coccyx, vermiform appendix, wisdom tooth, pancreasD. auricular muscles, coccyx, nail, wisdom tooth |
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Answer» Correct Answer - b Nail and pancreas are not vestigial organs of man. |
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| 167. |
Vestigial organs are all `:`A. analogousB. homologousC. rudimentaryD. physiologically important organs |
| Answer» Correct Answer - c | |
| 168. |
The credit for listing over 100 vestigial organs in man goes to `:`A. HuxleyB. DarwinC. LamarckD. Weidershim |
| Answer» Correct Answer - d | |
| 169. |
What are vestigial organs ?A. Organs of many usesB. Organs of no use to the possessorC. Organs present in the ancestors but absent nowD. Present in the recent origins but absent in ancestors |
| Answer» Correct Answer - B | |
| 170. |
Which of the following is true statement about Lamarck ?A. He was first to realize that Earth is billion of years oldB. He worked out the principles of population geneticsC. He based his theory on the inheritance of acquired charactersD. He proposed natural selectionas mechanism of evolution |
| Answer» Correct Answer - c | |
| 171. |
Which of the following evidences does not favour the lamarckian concept of inheritance of acquired characters?A. Absence of limbs in snakesB. Lack of pigment in cave dwellersC. Presence of webbed toes in aquatic birdsD. Melanisation of peppered moth in industrial areas |
| Answer» Correct Answer - d | |
| 172. |
Which one is vestigial in humans ?A. PinnaB. NailsC. EyelidsD. Canine teeth |
| Answer» Correct Answer - D | |
| 173. |
Which one is vestigial in humans ?A. ThumbB. Body hairsC. ConjuctivaD. Extra-abdominal muscles |
| Answer» Correct Answer - b | |
| 174. |
Which set includes all vestigial structures of man ?A. Ear muscle, atlas, body hairB. Coccyx, wisdom tooth, patellaC. Coccyx, wisdom tooth, ear muscleD. Vermiform appendix, body hairs, cochlea |
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Answer» Correct Answer - c Altas, patella and cochlea are not vestigial structures of man. |
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| 175. |
Individuals of differnet species living in the same area may be prevented from interbreeding by responding to different mating dances. This is called `:`A. temporal isolationB. ecological isolationC. Behavioural isolationD. mecahnical isolation |
| Answer» Correct Answer - c | |
| 176. |
Fossilization would occur when flora and fauna are buried by `:`A. natural processesB. industrial processesC. Both (a) and (b)D. none of the above |
| Answer» Correct Answer - a | |
| 177. |
According to the theory of mutation by Hugo de VriesA. both small and large mutations cause variation in speciesB. only small mutation takes part in variationC. only large mutation takes part in variationD. none of the above |
| Answer» Correct Answer - a | |
| 178. |
We know much about fossil fishes, snails and corals, but not much about ancient seaweeds. Why do you suppose this is the case ?A. Seaweeds were too soft to fossilize wellB. There were no seaweeds in the ancient oceansC. Plants moved onto land leaving only animals in the seaD. A mass extinction wiped out the seaweeds, but animals survived |
| Answer» Correct Answer - a | |
| 179. |
Which of the following is the relatively most accurate method for dating of fossils ?A. Uranium - lead methodB. Radio - carbon methodC. Potassium - argon methodD. Eelecton - spin resonance method |
| Answer» Correct Answer - D | |
| 180. |
Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms, includesA. study of the conditions of fossilizationB. study of carbohydrates `//` proteins in rocksC. study of carbohydrates `//` proteins in fossilsD. electron-spin resonance (ESR) and fossil DNA |
| Answer» Correct Answer - d | |
| 181. |
Our best estimate for the age of Earth, 4.5 billion years, is supported by `:`A. GradualismB. Big Bang theoryC. Assumption of uniformitarianismD. Radioactive dating of the oldest rocks found |
| Answer» Correct Answer - D | |
| 182. |
What conclusion is drawn about stratification of a fossil ?A. Upper strata are recent and lower are olderB. Reverse of (a)C. No stratification takes placeD. None of the above |
| Answer» Correct Answer - a | |
| 183. |
Which of the following is an example of postzygotic reproductive barrier ?A. Pollen of one kind of tobacco canot fertilize another kindB. Two species of bull frogs have different mating cellsC. Mallard and pintail ducks mate at different time of yearD. Hybrid offspring of two species of jimsonweeds always die before reproducing |
| Answer» Correct Answer - d | |
| 184. |
Which of the following best describes strata ?A. Sedimentary rock layers that contain fossilsB. Sedimentary rock layers that all date from the same historical timeC. Molten rock that contains radioactive material and is dangerous to the health of humansD. All of the above are correct |
| Answer» Correct Answer - a | |
| 185. |
Which of the following is not a vestigial organ in man `?`A. NailB. Tial vertebraC. Wisdom toothD. Vermiform appendix |
| Answer» Correct Answer - A | |
| 186. |
Which of the follownig is an example of postzygotic reproductive barrier ?A. One species of Rana mates in April, another mates in MayB. Two pheasant species perform different courtship dancesC. One species of flower grows in forested areas and another in meadowsD. Two Drowosphila of different species produce offspring that are sterile |
| Answer» Correct Answer - d | |
| 187. |
Which one of the following is a vestigial organ in man ?A. PinnaB. EyelidC. CochleaD. Vermiform appendix |
| Answer» Correct Answer - d | |
| 188. |
An example of vestigial organ is `:`A. ear of cowB. hair of bearC. nail of monkeyD. nictitating membrane of man |
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Answer» Correct Answer - D It is known as plica semilunaris in man. |
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| 189. |
To Cuvier, the difference in fossils from different strata were evidences for `:`A. local catastrophic events such as droughts or floodsB. evolution by natural selectionC. continental driftD. diving creation |
| Answer» Correct Answer - a | |
| 190. |
Which one is a vestigial organ in humans ?A. IrisB. MalleusC. Pinna musclesD. Nasal epithelium |
| Answer» Correct Answer - c | |
| 191. |
Vestigial organ of python is `:`A. noseB. teethC. scalesD. girdle |
| Answer» Correct Answer - d | |
| 192. |
Which is a set of evidences of evolution ?A. Homologous and analogous organsB. Homologous and vestigial organsC. Analogous and vestigial organsD. All of the above |
| Answer» Correct Answer - d | |
| 193. |
Snakes do not possess legs because `:`A. its ancestors have no legsB. lizards do not possess legsC. legs were lost when snakes burrowD. legs were degenerated during evolution |
| Answer» Correct Answer - d | |
| 194. |
Which of the following is most important for speciation?A. Seasonal isolationB. Tropical isolationC. Behavioural isolationD. reproductive isolation |
| Answer» Correct Answer - d | |
| 195. |
One of the several objections to natural selection theory of Darwin is `:`A. struggle for existenceB. continuity of germplasmC. inheritance of acquired charactersD. many animals possess characteristics without utility and those that are positively harmful |
| Answer» Correct Answer - d | |
| 196. |
Natural selection theory was proposed by Darwin along with `:`A. WallaceB. MendelC. MorganD. Lamarck |
| Answer» Correct Answer - a | |
| 197. |
The theory of natural selection of Darwin `:`A. does not explain fossilsB. is completely changedC. has the first of organic evolutionD. has been failed in explaining origin of variations |
| Answer» Correct Answer - D | |
| 198. |
T. R.Malthus was famous for his essays on `:`A. geneticsB. geographyC. popolutionD. mathematics |
| Answer» Correct Answer - C | |
| 199. |
In forming the theory of evolution by natural selection, Darwin was greatly influenced byA. WallaceB. SpencerC. MendelD. Malthus |
| Answer» Correct Answer - d | |
| 200. |
During his voyage around the world, Charles Darwin was inspired to think about evolution by `:`A. fossils he collectedB. the books that he readC. unique organisms he sawD. all of the above |
| Answer» Correct Answer - d | |