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  #41  
Old Sunday, September 01, 2013
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Quote:
Originally Posted by awais274 View Post
2) Briefly describe the role of nitrogen , phosphorous and potassium in the growth of plants. What are negative impacts of fertilisers?

3) Why long exposure of human skin to the sunlight is dangerous? What are various natural protections in our body against the harmful radiations in the Sunlight? Is there any positive impact of radiations?

4) Describe briefly the difference between. Conductors, semiconductors and insulators?

5) Give a brief account of use of radiation in medical diagnosis. Why MRI is preferred over CT scan or X-RAY imaging?

6)a) Why DDT once labelled as a miracle is now being considered an Environmental tragedy?
b) A large variety of deodorants mask the original odour of our body . Which body part produces the unpleasant smell and how it is produced?

7) Why people have switched to vegetable oil for cookin instead of saturated fats? Which of these two contain higher level of LDL? Is it HDL or LDL which is harmful to human health and why?

8) What are natural sources of vitamin D and symptoms of its deficiency in humans?
Why an indiscriminate use of antibiotics may prove dangerous?

9) Define Radioactivity . How alpha , beta and gamma radiations are produced as a result of decay of an unstable nucleus differ in their effects on living beings?
questions no 9, 8 , 5 ,2 very easy and in fact those who have science background would thank to Allah for this paper. But averagely first paper was more difficult. although this one is also
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  #42  
Old Monday, September 02, 2013
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paper is very easy for people like me having science background.... pro is that fpsc not repeating questions now .. its reducing the trend of repetition of sum specific topics.. not only in eds infact in all subjects fpsc trying to give topics which are not asked before in past.. so those who understand this trick of fpsc can prepare according to this.. only conductor, semiconductor question repeated
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  #43  
Old Monday, September 02, 2013
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Quote:
Originally Posted by jahangeerkhan2000 View Post
What did you say, my answer is not related to question, try to find following question on question paper.

Why an indiscriminate use of antibiotics may prove dangerous?

learn to read question paper carefully then write a comment.

Brother you said, my answer was not briefed. can you write answer of this question in brief?
Salam

Brother.You wrote note about Antibiotic?.They don't ask what is antibiotic.

You tried your effort good but please read question carefully before briefing any answer about any given question.


Antibiotics, also known as antibacterials, are types of medications that destroy or slow down the growth of bacteria. The Greek word anti means against, and the Greek word bios means "life"

Antibiotics are used to treat infections caused by bacteria. Bacteria are microscopic organisms, some of which may cause illness. The word bacteria is the plural of bacterium.

Such illnesses as syphilis, tuberculosis, salmonella, and some forms of meningitis are caused by bacteria. Some bacteria are harmless, while others are good for us.

How do antibiotics work?
Although there are a number of different types of antibiotic they all work in one of two ways:
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