37. C. Linnaeus is famous for (a) coing the term 'systematics' (b) introducing binomial nomenclature (c) giving natural system of classification (d) all of these (GGSIPU, N. Delhi, 2002) 80. Linnaeus used Systema Naturae as the title of his publication. (b): Linnaeus put forward an “Artificial system” of plant classification which was based on sexual characters like cryptogamia, monoecia, monandria, diandria, polyandria etc. This term was coined by ICBN in 1956. Jan 19,2021 - Test: The Living World | 20 Questions MCQ Test has questions of NEET preparation. The somatic phase is multinucleate, diploid holocarpic Plasmodium which is the product of syngamy. 16. The breeding place of this mosquito is ponds, marshes, swampy areas etc. (c) External and internal structure of organisms. It causes African sleeping sickness. MCQ's. The macronucleus controls metabolism such as feeding and maintaenance, whereas the macronucleus takes and important role in reproduction and stores genetic information, hence it is also termed as reproductive nucleus whereas macronucleus is termed as vegetative nucleus. The order physarales include Physarum species. The disease, also called trypanosomiasis, is found in western and central parts of Africa. February 22. Two taxonomic species are distinguished from each other by Kingdom, division and species come under taxon but key is taxonomical aid. Panthera leo belongs to order Carnivora. (c): Linnaeus, 1758 developed “Binomial system of nomenclature”, de Candolle gave the term taxonomy. 42. Living World MCQs. Ace up your preparation with the Objective Questions available on Biological Classification and enhance your subject knowledge. (c) Howrah They multiply only inside the living host cells and for this they take over the machinery of the host cell. Classification given by Bentham and Hooker is. September 8. Question 4. An important criterion for modern day classification is. (a) Plantas 19. Who discovered Plasmodium in R.B.C. Biological Classification MCQ with detailed explanation for interview, entrance and competitive exams. 44. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. Question 11. The disease, also called trypanosomiasis, is found in western and central parts of Africa. Species is considered basic unit of taxonomy since in the greater majority of cases we do not have intraspecific names. 9. They may be passed in one (monogenetic) or two different hosts (digenetic). 14. The book ‘Genera Plant arum’ was written by, 40. Question 20. Which one of the following statements about viruses is correct? (d) troposphere. Naked circular DNA coiled to form nucleoid without association with histones, ribosomes 70s, thylakoids present in photoautotrophs but other membrane bound 1 organelles are absent. 17. MCQs on Biological Classification . This classification takes into account the cytological, morphological, genetical, anatomical, palynological and physiological characters. 17. The characteristics are: (i) These zooflagellates are generally uninucleate, occasionally multinucleate. Osmoregulation is a phenomenon in which contractile vacuole plays an important role in maintaining the water balance of the cell. This starts the erythrocytic schizogony. (b): The infective stage of Plasmodium is a minute organism called sporozoite. Species is a group of individuals that remain relatively constant in their characteristics; can be distinguished from other species and do not normally interbreed. ... C Indian Code of Botanical Nomenclature . International code of botanical nomenclature : what will soon change. One contractile vacuole is present near the anterior end while another is present towards posterior end of the body. Biological classification is the process of grouping living organisms on the basis of their similarities and dissimilarities. Nutrition is of various types – parasitic, chemoautotrophic, photoautotrophic and saprobic. February 3. View Answer Discuss. The scientific names of plants are given by International code for Botanical nomenclature. Which of the following does not come under taxon? (a): Retroviruses contain RNA as genetic material and this RNA is converted to DNA using enzyme reverse transcriptase. Naked circular DNA coiled to form nucleoid without association with histones, ribosomes 70s, thylakoids present in photoautotrophs but other membrane bound organelles are absent. He discovered Plasmodium and got Nobel Prize in 1907. Options (b), (c) and (d) are the stages of the asexual phase of Plasmodium. The parasite is transmitted by blood sucking tse-tse fly, Glossina palpalis. The other two principles are straightforward. ... Answer: (a) International code for Botanical nomenclature Explanation: The scientific names of plants are given by International code for Botanical nomenclature. 32. This interval of time or the incubation period is utilized by the parasites to increase their progeny. In other words, it is the study of diversity of organisms, their comparative and evolutionary relationships based on comparative anatomy, ecology, physiology, biochemistry and other fields. La nomenclature botanique est une discipline non scientifique de droit botanique qui a pour objet d'édicter les règles permettant de former les noms de taxons des organismes « considérés comme plantes  », et de déterminer leur priorité relative lorsque plusieurs d'entre eux sont en concurrence . These biomolecules play a major role in metabolism. 47. Darwin had put forward the view that the present day plants/animals originated from some ancestral ones after undergoing some periodical changes. (b) Alexander Agassiz Indian code of botanical nomenclature International code of botanical nomenclature. Disclaimer Copyright. So, if all the ponds and puddles are destroyed, Anopheles will not be able to survive leading to destruction of its parasite, Plasmodium. All others fungi, plantae, protists and animalia are eukaryotic. (b) important for plants The different ranks or categories have following specific endings of their names as division – phyla, class, and family-aceae. (b): Taxonomy and classification are a part of the broader field of systematics which is the study of diversity of organisms. 19. (b): Trypanosoma gambiense was first observed by Forde in 1901. Solanum, Panthera, Homo are examples of 2016 67. Nucleus is well defined. 41. (c) their similarity in morphological characters 39. (a) the classification of organisms based on broad morphological characters, (b) delimiting various taxa of organisms and establishing their relationships, (c) the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies, (d) identification and arrangement of organisms on the basis of their cytological characteristics. Each of these categories has been divided further into intermediate categories like subkingdom, subdivision, superclass, subgenus, subspecies etc. Plasmodium ovale is the rarest of the four species which infect man and it causes mild tertian malaria. The protistan cells are typically eukaryotic having membrane bound organelles like mitochondria, chloroplasts, Golgi bodies, endoplasmic reticulum, nucleus etc. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. A group of plu.nts or animals with siuilar traits of any rank is. The inorganic molecules comprise water and minerals, while the organic molecules comprise sugars, amino acids, etc. The infective stage of malaria parasite, Plasmodium that enters human body is. Answer: (a) Angiospermae C) Scientific names of taxonomic groups are treated as Latin regardless of their derivation. Living organisms are formed of several organic as well as inorganic biomolecules. Linnaeus evolved a system of nomenclature called. (i) Adsorption of the phage to bacterial or host cell. (a): Artificial system of classification was first used by Linnaeus. (d): Plasmodium is digenetic i.e. Which of the following is correct about Taxon? Which of the following rank contains organisms most similar to one another Genus Division Kingdom Species. Then the viral genetic material penetrates into the host cell. (a): Species is a natural population or group of natural populations of individuals which are genetically distinct and reproductively isolated with similar essential morphological traits. Blepharoplast and kinetoplast placed immediately anterior to nucleus. Sexual reproduction takes place through syngamy. Explanation: (b): The main vertebrate host is human. 10. He introduced the binomial system of nomenclature in his book “Species Plantarum” (1753) which is considered as starting point of modern nomenclature (c) He was a Swedish Naturalist (d) He gave Phylogenetic system of classification 9. 52. The term “New Systematics” was introduced by. A are small, microscopic which are not seen with naked eye. It is any level of grouping of organisms. so they cannot live or reproduce separately. (a): Paramaecium contains a single large macronucleus and one small micronucleus. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. 15. (d) erythrocytes, liver cells and spleen cells. The latter pour water into the contractile vacuole. Malaria fever coincides with liberation of. 32. 34. (d) Key. (c): Laveran discovered that malaria is caused by protozoan parasite (Plasmodium) in 1880. Taxonomic studies depends on 40. (b) Division Life cycle consists of two distinct asexual and sexual phases. 57. The cryptogams were included in flowering plants. It does not contain any DNA and is composed of 6 % RNA surrounded by a hollow cylinder of portion subunits. System of classification used by Linnaeus was. it has more than one form. (iii) Crithidial (epimastigote): Body elongate. (c) Characters of flowers are conservative They multiply only inside the living host cell and for multiplication they take over the machinery of the host cell. it completes its life cycle in two hosts. 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