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Q. Explain about precautionary principle?
The ethical values of biodiversity highlights the intrinsic value of biodiversity for its own sake and it is independent of the varied economic, social and cultural uses of the large number o f species discovered by human communities. It underscores the fact that humans are only one of the millions of species that inhabit the earth, while each species is unique and is the result of evolutionary processes without human intervention, so that every species has a natural right to exist.
However, it is also difficult to maintain all of the existing biological diversity for purely ethical reasons. Whilst the killing of any living organism, or a particular species may be morally unacceptable to some people, there are problems in extending this argument to the conservation of biological diversity. As you have studied earlier, any individual organism that is not genetically identical to another represents a distinct component of biodiversity, and accordi ng to ethical arguments it is difficult to justify the destruction of any facet of biodiversity. It is easy to understand the objection to the killing of a charismatic species such as an elephant on ethical grounds, but it can be argued that ethically it i s equally objectionable to eat rice which is grown from genetically diverse seeds or to destroy pests and disease causing organisms as we are reducing genetic diversity! However it may be more difficult to justify this on ethical grounds.
Explain the Quantitative Techniques? Now that we are well-versed with the techniques involved in preparing and maintaining cultures, it is also important for us to learn how to
Q. What are the main causes of Mutation? Some mutations take place randomly and spontaneously during process of mitosis or meiosis. Others are caused by mutagenic agents that a
Enumerate the term - pathognomic sign A comprehensive assessment ideally uses all four approaches. Some forms of specialised assessment rely heavily on pathognomic signs, behav
What do you understand by Polyp? The sessile, asexual stage in the cnidarian life cycle. In some species they are independent organisms; in others, they form colonies where som
Explain the Nutrient composition of different milk? Sometimes exclusive breast-feeding cannot be sustained. Working mothers join their duty in the fourth month and exclusively
Q. Predominant feature of steatorrhoea? A predominant feature is delayed and defective absorption of fat, which results in bulky stools containing large quantities of fat (know
Explain the term Trans fatty acids? Plant derived fats and oils contain cis-fatty acids. You may recall reading about the cis and trans isomers in the Nutritional Biochemistry
Q. Where can RNA are found within cells? In the eukaryote cell nucleus the RNA can be found to dispersed in the nuclear fluid, along with the DNA, and as the main constituent o
The structure of moulds When the four pure cultures of mould have reached a vigorous state of growth study each one with a hand lens. See if you can see stalks with tiny black
ENDOCRINE GLANDS OF AN INSECT - The endocrine glands of cockroach are as follows. 1. Intercerebral gland cells. These cells lie in the brain. They secrete brain horm
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