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Which of the following is not correct ? |
The broad utilitarian arguments for conserving biodiversity are obvious; humans derive countless indirect economic benefits from naturefood , firewood, fibre, construction material, industrial products and products of medicinal importance. More than 25 per cent of the drugs currently sold in the market worldwide are derived from plants and 25,000 species of plants contribute to the traditional medicines used by native peoples around the world. ‘Bioprospecting’ is exploring molecular, genetic and species-level diversity for products of economic importance. Co-extinctions: When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. When a host fish species becomes extinct, its unique assemblage of parasites also meets the same fate. |
The broad utilitarian arguments for conserving biodiversity are obvious; humans derive countless indirect economic benefits from naturefood , firewood, fibre, construction material, industrial products and products of medicinal importance. |
The correct answer is option (1) - The broad utilitarian arguments for conserving biodiversity are obvious; humans derive countless indirect economic benefits from naturefood , firewood, fibre, construction material, industrial products and products of medicinal importance. The narrowly utilitarian arguments for conserving biodiversity are obvious; humans derive countless direct economic benefits from naturefood (cereals, pulses, fruits), firewood, fibre, construction material, industrial products (tannins, lubricants, dyes, resins, perfumes ) and products of medicinal importance. More than 25 per cent of the drugs currently sold in the market worldwide are derived from plants and 25,000 species of plants contribute to the traditional medicines used by native peoples around the world. Nobody knows how many more medicinally useful plants there are in tropical rain forests waiting to be explored. With increasing resources put into ‘bioprospecting’ (exploring molecular, genetic and species-level diversity for products of economic importance), nations endowed with rich biodiversity can expect to reap enormous benefits. |
