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101.	How many varieties of mango does India have?(a) 2(b) 10(c) 1,000(d) 20I had been asked this question by my school principal while I was bunking the class.This key question is from Biodiversity Basics topic in chapter Biodiversity and Conservation of Biology – Class 12
Answer» Right choice is (c) 1,000 Explanation: Mango is an EDIBLE stone fruit (drupe) belonging to the FLOWERING PLANT genus Mangifera. They GROW mostly in TROPICAL areas. India consists of approximately more than 1,000 varieties of mango.

102.	What is the feature of the biosphere?(a) No diversity(b) Species diversity(c) Low diversity(d) Negligible diversityThis question was addressed to me during an interview for a job.Origin of the question is Biodiversity Basics topic in portion Biodiversity and Conservation of Biology – Class 12
Answer» Correct answer is (b) SPECIES diversity Explanation: The diversity observed at the species LEVEL is known as the species diversity. It is the number and ABUNDANCE of each species in a PARTICULAR area. Species diversity is one of the important FEATURES of the biosphere.

103.	How many strains of rice does India have?(a) 50(b) 500(c) 5,000(d) 50,000The question was asked at a job interview.My query is from Biodiversity Basics topic in section Biodiversity and Conservation of Biology – Class 12
Answer» RIGHT answer is (d) 50,000 To explain: INDIA consists of approximately 50,000 strains of rice. Rice is an edible STARCHY cereal GRAIN, seed of the grass species Oryza. Rice is said to be the most WIDELY consumed staple food.

104.	What is the feature of the biosphere?(a) No diversity(b) Homogeneity(c) Heterogeneity(d) Negligible diversityThe question was asked at a job interview.I'd like to ask this question from Biodiversity Basics topic in section Biodiversity and Conservation of Biology – Class 12
Answer» Right CHOICE is (c) Heterogeneity Best explanation: BIOSPHERE is the total surface and atmosphere integrating all living beings and their relationships of the Earth. The biosphere is heterogeneous in NATURE and shows immense diversity. Thus heterogeneity is a FEATURE of the biosphere.

105.	What can a single species show?(a) No variation at the genetic level(b) No diversity at the genetic level(c) Low diversity at the genetic level(d) High diversity at the genetic levelI got this question during an interview.This interesting question is from Biodiversity Basics in portion Biodiversity and Conservation of Biology – Class 12
Answer» The correct choice is (d) High diversity at the GENETIC level Easiest explanation: Genetic diversity is important among various levels of biodiversity. High genetic diversity can be SEEN only in a single SPECIES.

106.	Who popularized the term biodiversity?(a) Rudolf Virchow(b) Edward Wilson(c) Gregor Mendel(d) Robert KochI have been asked this question in an online interview.This intriguing question originated from Biodiversity Basics topic in chapter Biodiversity and Conservation of Biology – Class 12
Answer» Correct answer is (b) Edward Wilson To explain: Edward Wilson POPULARIZED the term biodiversity. Biodiversity is the VARIETY and VARIABILITY of all the levels of biological organization (plant and ANIMAL life) on Earth.

107.	Which of the following statements is true?(a) Diversity exists only at the species level(b) Diversity exists only at the macromolecular level(c) Diversity exists at all levels of biological organization(d) Diversity exists at the genetic level onlyI got this question during an interview for a job.This question is from Biodiversity Basics in section Biodiversity and Conservation of Biology – Class 12
Answer» CORRECT ANSWER is (c) Diversity exists at all levels of biological organization To EXPLAIN I would say: BIODIVERSITY is the variety and variability of all the levels of biological organization (plant and animal life) on Earth. The diversity exists not only at the genetic level but at all levels of biological organization.

108.	How many species of orchids are present on Earth?(a) 200(b) 20(c) 2(d) 20,000The question was posed to me in class test.Query is from Biodiversity Basics in section Biodiversity and Conservation of Biology – Class 12
Answer» RIGHT choice is (d) 20,000 Explanation: An orchid growing on epiphyte is an example of commensalism. Epiphytes grow on trees for AIR and SUNLIGHT while the tree is not harmed due to its PRESENCE. Another epiphyte growing on trees is a fern. There are approximately 20,000 species of orchids on EARTH.

109.	How many species of fishes are present on Earth?(a) 28,00,000(b) 28,000(c) 280(d) 28I had been asked this question in homework.My question is taken from Biodiversity Basics in portion Biodiversity and Conservation of Biology – Class 12
Answer» Right choice is (b) 28,000 Easiest explanation: Fishes are LIMBLESS cold-blooded VERTEBRATE gill-bearing aquatic craniate ANIMALS. They commonly have FINS and are COVERED with scales. There are approximately 28,000 species of fishes on Earth.

110.	How many species of beetles are present on the Earth?(a) 3,00,000(b) 30,000(c) 3,000(d) 300I have been asked this question in an interview.The doubt is from Biodiversity Basics in chapter Biodiversity and Conservation of Biology – Class 12
Answer» RIGHT option is (a) 3,00,000 The EXPLANATION: BEETLES are a group of WINGED insects and EAT almost everything. They are prominent decomposers, and there are approximately 3,00,000 species of beetles on the Earth.

111.	The Earth consists of how many ant species?(a) 100,000(b) 20,000(c) 200,000(d) 2000I had been asked this question in quiz.The origin of the question is Biodiversity Basics in chapter Biodiversity and Conservation of Biology – Class 12
Answer» Correct CHOICE is (b) 20,000 The explanation: Ants are eusocial (highly SOCIAL) INSECTS. They live together in organized colonies. There are APPROXIMATELY 20,000 species of ants on the EARTH.

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