This chapter is currently out of syllabus
1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following is absent in polluted water ?
A
Larva of stone fly
B
Hydrilla
C
Blue green algae
D
Water hyacinth
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Maximum green house gas released by which country :
A
France
B
Britain
C
India
D
U.S.A.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
What is B.O.D ?
A
The total amount of O2 present in water
B
The amount of O2 utilised by organisms in water
C
The amount of O2 utilized by micro organisms for decomposition
D
All of the above
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
What is the intensity of sound in normal conversation ?
A
30 – 60 dB
B
10 – 20 dB
C
120 – 150 dB
D
70 - 90 dB
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