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A collection of neet biology exam questions with their corresponding answers. It covers a wide range of topics, including evolution, genetics, ecology, and cell biology. The questions are designed to test students' understanding of key concepts and their ability to apply them to real-world scenarios. A valuable resource for students preparing for the neet exam.
Typology: Exams
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Phenomenon when organisms resembling others for escaping from enemies is - Correct Answersmimicry Employment of hereditary principles in the improvement of human race is - Correct AnswersEugenics Homeostasis is - Correct Answerstendency to change with change in environment Pedology is science of - Correct Answerssoil Study of fossils is - Correct AnswersPaleontology A nucleotide is formed of - Correct Answersnitrogen base, sugar, and phosphate Glycogen is a polymer of - Correct Answersglucose Adenine is - Correct Answerspurine In RNA, thymine is replaced by - Correct Answersuracil The CO2 content by volume in the atmospheric air is about - Correct Answers0.0314% Which one of the following is a living fossil? - Correct AnswersGinkgo biloba
Warm ocean surge of the Peru Current recurring every 5 - 8 year or so in the East Pacific of South America is widely known as - Correct AnswersEl Nino If there was no CO2 in the earth's atmosphere, the temperature of earth's surface would be
Age of fossils in the past was generally determined by radio-carbon 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, include - Correct AnswersElectron Spin Resonance (ESR) and fossil DNA More than 70% of world's fresh water is contained in - Correct AnswersPolar ice Barophilic prokaryotes - Correct Answersgrow and multiply in very deep marine sediments Carbohydrates, the most abundant biomolecules on Earth, are produced by - Correct Answerssme bacteria, algae, and green plant cells Which of the following is the relatively most accurate method for dating of fossils? - Correct AnswersElectron-spin resonance method Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example. - Correct AnswersPoison fangs in snakes Praying mantis is a good example of - Correct Answerssocial insects Which one of the following is not a living fossil? - Correct AnswersArchaeopteryx Which one of the following is an example of negative feedback loop in humans? - Correct AnswersConstriction of skin blood vessels and contraction of skeletal muscles when it is too cold The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for - Correct Answersreproduction Biological organization starts with - Correct Answerssubmicroscopic molecular level Which one of the following scientist's name is correctly matched with the theory put forth by him? - Correct AnswersWeismann- Theory of continuity of Germplasm
Humming birds and hawk illustrate - Correct Answersadaptive radiation 'Origin of species' was written by - Correct AnswersDarwin Evolution is - Correct Answershistory and development of race along with variations "Continuity of germplasm" theory was given by - Correct AnswersWeismann Theory of inheritance of acquired characters was given by - Correct AnswersLamarck Parallelism is - Correct Answersadaptive convergence of closely related groups Basic principles of embryonic development were pronounced by - Correct Answersvon Baer Correct order is - Correct AnswersPalaeozoic - Mesozoic - Coenozoic Which was absent in the atmosphere at the time of origin of life? - Correct AnswersO The first organisms were - Correct Answerschemoheterotrophs Evolutionary convergence is development of - Correct Answerscommon set of characters in group of different ancestry Theory of natural selection dwells on - Correct Answersnatural selection acting on favorable variations Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that - Correct AnswersLamarckism was wrong in inheritance of acquired characters Genetic drift is change of - Correct Answersgene frequency in same generation
"Golden age of dinosaurs"/Age of reptiles was - Correct AnswersMesozoic The earliest fossil form in the phylogeny of a horse is - Correct AnswersEohippus Homologous organs are - Correct Answerspectoral fins of fish and fore limbs of horse Two geographical regions separated by high mountains are - Correct AnswersPalearctic and Oriental Which one is irrelevant to evolution of man? - Correct AnswersLoss of tail Which one does not favor Lamarckian concept of inheritance of acquired characters? - Correct AnswersMelanization of peppered moth in industrial areas Frequency of a character increases when it is - Correct Answersadaptable The presence of gill slits, in the embryos of all vertebrates, supports the theory of - Correct Answersrecapitulation The homologous organs are those that show similarity in - Correct Answersorigin Which one of the following sets includes only the vestigial structures in man? - Correct AnswersCoccyx, vermiform appendix, ear muscles