This chapter is currently out of syllabus
1
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
2
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
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which is the cause of damage to relative biological effectiveness ?
A
Low temperature
B
High temperature
C
Radiation
D
Pollution
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