Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. What is common to the … E.g. Genetic diversity. Brain Res Bull 2016;124:206-13. 21.2.2 Species Diversity Species diversity is the variety (in terms of their number and richness) of species in a given region or area. What does the term ‘Frugivorous’ mean? Ecosystem Diversity, 2.Species Diversity, 3. 8) Another case of genetic diversity is: a medicinal plant Rauwolfia vomitoria which secretes active component reserpine, is found in different Himalayan ranges. II. Free PDF download of NCERT Exemplar for Class 12 Biology Chapter 15 - Biodiversity and Conservation solved by expert Biology teachers on CoolGyan.Org as per NCERT (CBSE) Book guidelines. Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It can be divided into two categories. Rauwolfia vomitoria inhibits olfaction and modifies olfactory bulb cells. Effectuer une supplémentation en magnésium. Answer (1) Rouwolfia vomitoria showing genetic diversity. (d) Rauwolfia vomitoria shows gentic diversity. All Chapter 15 - Biodiversity and Conservation exercise questions with solutions to help you to revise complete syllabus and score more marks in your examinations. For example, The genetic diversity shown by the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges might be in terms of the potency and concentration of the active chemical (reserpine) that the plant produces. Rauwolfia . Example, Genetic variation in the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges might be in terms of the potency and concentration of the active chemical (reserpine) that the plant produces. A WST-1 assay was used to measure cell growth, and cell cycle analyses were conducted with flow cytometry. “Extraction and evaluation of indole alkaloids from Rauwolfia … This plant shows variations in terms of potency and concentration of active chemical, from location to location. Sarika R D, S A Dhanashree, A P Bhausaheb. Different types of species and their relative abundance in an ecosystem . International Journal of Advanced Biological Research 2(2012): 279-288. What does the term ‘Frugivorous’ mean? What is Red Data Book? Brain Res Bull 2016;124:206-13. ADVERTISEMENTS: Such as in Rauwolfia vomitoria in Himalaya region, 50,000 varieties of rice, 1,000 varieties of mango in India. Rauwolfia vomitoria extract standardized for beta-carboline alkaloids was tested for ability to influence the growth and survival of the human LNCaP prostate cancer cell line. 3. La posologie est de 5 gélules/jour pendant 6 mois pris avant chaque repas. 50,000 varieties of rice and 1000 varieties of mango exist in India, the concentration of reserpine differs in the different strains of Rauwolfia vomitoria. Genetic diversity – It refers to the total number of genes in the genetic makeup of a species. RGCC a breveté une membrane capable de capturer des cellules malignes à partir d’un simple échantillon de sang. Ecosystem Diversity: It refers to a variety of ecosystems within a geographical area. Students can solve NCERT Class 12 Biology Biodiversity and Conservation MCQs Pdf with Answers to know their preparation level. The genetic variation shown by the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges might be in terms of the potency and concentration of the active chemical (reserpine) that the plant produces. Species diversity. Ans. 11. Genetic Diversity- a single species might show high diversity at the genetic level over its distributional range. Share It On Facebook Twitter Email. Reason of genetic diversity of rauwolfia vomitoria Ask for details ; Follow Report by Vspmanideepika5192 16.04.2019 Log in to add a comment • Genetically uniform populations are highly prone to disease harsh environment. The genetic variation is shown by the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges might be in terms of the potency and a concentration of the active chemical (reserpine) that the plant produces. 1 Answer +1 vote . Species diversity: The diversity at the species level. The genetic variation shown by the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges might be in terms of the potency and concentration of the active chemical (reserpine) that the plant produces. Students can solve NCERT Class 12 Biology Biodiversity and Conservation MCQs Pdf with Answers to know their preparation level. 12. Question 2. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Why is genetic variation important in the plant Rauwolfia vomitoria? What is the significance of large genetic diversity in population? Why is genetic variation important in the plant Rauwolfia vomitoria? Genetic diversity:-A single species might show high diversity at the genetic level over its distributional range. View abstract. The genetic variation in Rauwolfia vomitoria growing in different Himalayan ranges indicates genetic diversity. (c) India has about 1000 varieties of mango. Define gene pool. schumanniana Boiteau (176,177) (= R. suaveolens S. Moore): From this species, growing only on micaschist, four new alkaloids have been isolated in addition to the five already known: norajmaline, hydroxy-yohimbine, methoxyheteroyohimbine, and suaveoline (192).. Rauvolfia balansae (Baillon) Boiteau ssp. Diversity arises due to variation in configurations, substitution patterns and the rearrangement of functional groups around the core-structure of these alkaloids. (i) Genetic diversity: A single species might show high diversity at the genetic level over its distributional range. 110 BIOLOGY, EXEMPLAR PROBLEMS 15. It has also been used as an antidote to snake poison. List any four adverse effect of noise. Answer: High blood pressure; Stress related ailments; Sleep disruption; Hearing impairment; Part – III . Le Rauwolfia Vomitoria (Rovol) ne doit être utilisé qu’en l’absence de traitement hormonal. Anabolism (Energy conserving process) : Eg : Synthesis of glycogen from glucose. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. Biodiversity refers to a variety of plant and animal life on earth. 3 Diversity of The Living World 1. Assertion : Genetic variation shown by the plant Rauwolfia vomitoria growing in different Himalayan ranges is very important economically. Genetic diversity- A single species might show high diversity at the genetic level over its distributional range. (b) India has more than 50,000 genetically different strains of rice. The variation shown by the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges represents (1) Genetic diversity (2) Species diversity (3) Ecological diversity (4) Community diversity Sol. What is Red Data Book? 14. 9. schumanniana var. Voici des conseils divers que tu décideras de suivre ou non. How does species diversity differ from ecological diversity? Best answer. Example- The genetic variation of the medicinal plant Rauwolfia vomitoria in potency and concentration of the active chemical reserpine that the plant produces. (b) Species diversity is diversity at the species level. 10. Give any one example. Reserpine is an active chemical extracted from Rauwolfia vomitoria. Answer any three questions in which question number 19 is compulsory. American Journal of Biomedical Science & Research provides a unique platform where you can share the original research in supporting the advancement of Science, Technology, Engineering & Medicine and biomedical sciences journals The sum total of all the chemical reactions that occur in the bodies of organisms constitute metabolism. Fig. (a) Genetic diversity: The occurrence of single species in high diversity at the genetic level over its distributional range is called as genetic diversity. What is the expanded form of IUCN? Rauwolfia vomitoria can be cited as an example for genetic diversity. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. Define gene pool. Rauwolfia is antipyretic and emmenagogic; it has been used as an ayurvedic herbal medicine for depression, diarrhoea, colic in infants and hypertension. Sanjay L, N M Kinnari, T Riddhi, D S Smit and B V Parth. “ Genetic Diversity assessment in six medicinally important species of Ocimum from central Gujarat (India) utilizing RAPD, ISSR and SSR Markers”. Reason : The amount and variety of alkaloids presents in this plant, change both between the Rauwolfia species and between the different strains of R. vomitoria. Genetic diversity within a species increases with environmental variability which results in the formation of ... Rauwolfia vomitoria). For eg., the genetic variation shown by Rauwolfi Complément alimentaire et hygiène de vie . How does species diversity differ from ecological diversity? Define the term metabolism. Define the terms (i) Bioprospecting (ii) Endemism; What is common to the species shown in figures A and B? The term ‘biodiversity’ was popularized by the sociobiologist Edward Wilson. Biodiversity is of three types: Genetic diversity – It refers to the total number of genes in the genetic makeup of a species. Question 14. Rauwolfia vomitoria shows genetic variation in terms of concentration and potency of chemical reserpine India has more than 50,000 genetically different strains of rice and 1000 varieties of mango. Why is genetic variation important in the plant Rauwolfia vomitoria? (i) Genetic diversity : A single species might show high diversity at the genetic level over its distributional range. Le Research Genetic Cancer Center (RGCC), un laboratoire de recherche génétique dont le siège est situé en Grèce, a développé un test rapide. 13. Genetic Diversity. A. Genetic variability existing within a species. answered Dec 6, 2017 by Md samim (94.8k points) selected Feb 23, 2018 by sarthaks . (a) Eastern Ghats have a greater amphibian species diversity than western Ghats. For eg., the genetic variation shown by Rauwolfia vomitoria (medicinal plant) Species diversity – It represents the number of species found in an ecological community. Define the terms (i) Bioprospecting (ii) Endemism 20/04/2018. What is the expanded form of IUCN? Rauvolfia balansae (Baillon) Boiteau ssp. What does the term genetic diversity refer to? Ekong MB, Peter AI, Edagha IA, et al. The genetic variation is shown in terms of the potency and concentration of the active chemical reserpine. schumanniana var. I. Genetic diversity is the diversity in the numbers and types of genes as well as chromosomes present in different species and the variations in the genes and their alleles in the same species. Rauwolfia vomitoria is the plant that yields reserpine. Often, it is observed that a number of alkaloids that belong to the greater sarpagine/macroline/ajmaline family can be categorized into smaller subgroups by considering common structural features of interest, as expected. Rauvolfia: Herbal medicine A plant native to India that contains reserpine, an alkaloid. Biodiversity1, the variety and variability of life on earth, has three main components: 1. GENETIC DIVERSITY • Greater the genetic diversity among organisms of a species, more sustenance it has against environmental perturbations. Answer: The term genetic diversity refers to the diversity of genes within a species. : Eg: Synthesis of glycogen from glucose pendant 6 mois pris avant chaque repas the Edward. Membrane capable de capturer des cellules malignes à partir D ’ un simple échantillon de sang to! 6 mois pris avant chaque repas impairment ; Part – III measure growth! Plant and animal life on earth the significance of large genetic diversity: It refers to the diversity genes! 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