This chapter is currently out of syllabus
1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
DDT residues are rapidly passed through food
chain causing biomagnification because DDT is :
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A lake near a village suffered heavy mortality of
fishes within a few days. Consider the following
reasons for this?
(i) Lots of urea and phosphate fertilizer were used in the crops in the vicinity
(ii) the area was sprayed with DDT by an aircraft
(iii) The lake water turned green and stinky
(iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis
Which two of the above were the main causes of fish mortality in the lake?
(i) Lots of urea and phosphate fertilizer were used in the crops in the vicinity
(ii) the area was sprayed with DDT by an aircraft
(iii) The lake water turned green and stinky
(iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis
Which two of the above were the main causes of fish mortality in the lake?
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
According to Central Pollution Control Board
(CPCB), which particulate size in diameter (in
micrometers) of the air pollutants is responsible
for greatest harm to human health?
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following is the correct
percentage of the two (out of the total of 4)
greenhouse gases that contribute to the total
global warming ?
Questions Asked from Environmental Issues (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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