‘It is that range of biodiversity that we must care for – the whole thing – rather than just one or two stars’ David Attenborough What are major threats to biodiversity? Major threats to biodiversity are: 1. Habitat destruction/Deforestation 2. Introduced and invasive species 3. Genetic pollution 4. Over exploitation 5. Hybridization 6. […]
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Biodiversity: Introduction (Definition, Classification, Importance and Measurement of Biodiversity)
Look deep into nature, and then you will understand everything better’ Albert Einstein What is biodiversity? Biodiversity- definition: “variability among living organisms”. Biodiversity is the variety and variability of genus, species and ecosystem between and within. It is the number of different organisms & their relative frequency in an ecosystem. The term Biodiversity is coined […]
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Why Biodiversity is Rich in Tropics?
Tropical Area Tropical region is the part of earth surrounding the equator. Exactly it cover the region between tropic of cancer and tropic of capricorn. Tropic of Cancer: 23.43º towards Northern Hemisphere Tropic of Capricorn: 23.43° towards Southern Hemisphere Tropical regions receive maximum sunlight over the year and the vegetation there are the most productive […]
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HSST Botany Question Paper 2012 by Kerala PSC with Answer Key and Explanations Part 4
Kerala PSC HSST Botany 2012 Examination Higher Secondary School Teacher: Junior & Senior Question Paper Code 40/2012 (Cat. NO. 449/2010) Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher Secondary School Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC (Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the appointment […]
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DBT BET JRF Exam 2012-13 Previous Year Question Paper With Answer Key and Explanations Part 2
Biotechnology Eligibility Test (BET) for DBT JRF Award (2012-13) Previous Year Question Papers with Answer Key, Explanations & References Government of India, Ministry of Science & Technology Department of Biotechnology, New Delhi PART: A Set 2 (Questions 26 – 50) 26. Which one of the following is the natural host for pseudo-rabies virus? a. […]
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