Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Example- The genetic variation of the medicinal plant Rauwolfia vomitoria in potency and concentration of the active chemical reserpine that the plant produces. (a) Genetic diversity: The occurrence of single species in high diversity at the genetic level over its distributional range is called as genetic diversity. Rauwolfia vomitoria can be cited as an example for genetic diversity. ADVERTISEMENTS: Such as in Rauwolfia vomitoria in Himalaya region, 50,000 varieties of rice, 1,000 varieties of mango in India. Define gene pool. For eg., the genetic variation shown by Rauwolfi 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. Ecosystem Diversity: It refers to a variety of ecosystems within a geographical area. Biodiversity refers to a variety of plant and animal life on earth. 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. Share It On Facebook Twitter Email. Le Rauwolfia Vomitoria (Rovol) ne doit être utilisé qu’en l’absence de traitement hormonal. Genetic diversity – It refers to the total number of genes in the genetic makeup of a species. Ecosystem Diversity, 2.Species Diversity, 3. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Sarika R D, S A Dhanashree, A P Bhausaheb. Reserpine is an active chemical extracted from Rauwolfia vomitoria. Assertion : Genetic variation shown by the plant Rauwolfia vomitoria growing in different Himalayan ranges is very important economically. 3 Diversity of The Living World 1. Define gene pool. This plant shows variations in terms of potency and concentration of active chemical, from location to location. Biodiversity1, the variety and variability of life on earth, has three main components: 1. schumanniana var. 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. The sum total of all the chemical reactions that occur in the bodies of organisms constitute metabolism. Give any one example. Genetic diversity:-A single species might show high diversity at the genetic level over its distributional range. 12. Reason of genetic diversity of rauwolfia vomitoria Ask for details ; Follow Report by Vspmanideepika5192 16.04.2019 Log in to add a comment Species diversity: The diversity at the species level. • Genetically uniform populations are highly prone to disease harsh environment. 14. The term ‘biodiversity’ was popularized by the sociobiologist Edward Wilson. 8) Another case of genetic diversity is: a medicinal plant Rauwolfia vomitoria which secretes active component reserpine, is found in different Himalayan ranges. Sanjay L, N M Kinnari, T Riddhi, D S Smit and B V Parth. What is the expanded form of IUCN? List any four adverse effect of noise. Complément alimentaire et hygiène de vie . 1 Answer +1 vote . It has also been used as an antidote to snake poison. 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 E.g. Biodiversity is of three types: Genetic diversity – It refers to the total number of genes in the genetic makeup of a species. Rauvolfia balansae (Baillon) Boiteau ssp. Why is genetic variation important in the plant Rauwolfia vomitoria? Define the terms (i) Bioprospecting (ii) Endemism; What is common to the species shown in figures A and B? II. What is Red Data Book? 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. Genetic Diversity. Question 14. (d) Rauwolfia vomitoria shows gentic diversity. It can be divided into two categories. “Extraction and evaluation of indole alkaloids from Rauwolfia … “ Genetic Diversity assessment in six medicinally important species of Ocimum from central Gujarat (India) utilizing RAPD, ISSR and SSR Markers”. schumanniana var. Brain Res Bull 2016;124:206-13. (b) Species diversity is diversity at the species level. Rauwolfia vomitoria is the plant that yields reserpine. 3. All Chapter 15 - Biodiversity and Conservation exercise questions with solutions to help you to revise complete syllabus and score more marks in your examinations. A. The genetic variation in Rauwolfia vomitoria growing in different Himalayan ranges indicates genetic diversity. Rauwolfia vomitoria inhibits olfaction and modifies olfactory bulb cells. Define the term metabolism. Answer (1) Rouwolfia vomitoria showing genetic diversity. 110 BIOLOGY, EXEMPLAR PROBLEMS 15. Rauvolfia: Herbal medicine A plant native to India that contains reserpine, an alkaloid. Why is genetic variation important in the plant Rauwolfia vomitoria? Genetic variability existing within a species. Ekong MB, Peter AI, Edagha IA, et al. Genetic diversity. (b) India has more than 50,000 genetically different strains of rice. Ans. Effectuer une supplémentation en magnésium. RGCC a breveté une membrane capable de capturer des cellules malignes à partir d’un simple échantillon de sang. How does species diversity differ from ecological diversity? 11. For eg., the genetic variation shown by Rauwolfia vomitoria (medicinal plant) Species diversity – It represents the number of species found in an ecological community. Question 2. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. What is the significance of large genetic diversity in population? What is common to the … La posologie est de 5 gélules/jour pendant 6 mois pris avant chaque repas. I. 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. 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. What does the term genetic diversity refer to? Students can solve NCERT Class 12 Biology Biodiversity and Conservation MCQs Pdf with Answers to know their preparation level. International Journal of Advanced Biological Research 2(2012): 279-288. Genetic diversity- A single species might show high diversity at the genetic level over its distributional range. Research 2 ( 2012 ): 279-288 of plant and animal life on earth traitement. Genetic variation important in the genetic makeup of a species gélules/jour pendant mois... Significance of large genetic diversity – It refers to a variety of plant and animal on... The sum total of all the chemical reactions that occur in the genetic over... 12 Chapter Wise with Answers Chapter 15 biodiversity and Conservation chaque repas, Peter AI, IA... 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