Online NEET Biology MCQ | NEET MCQ on Environmental Issues (Class 12) | Online MCQ Online Test No. 04
Environmental Issues - Quiz 4
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Question 1 |
Most hazardous metal pollutant of the automobile exhaust is
Lead | |
Mercury | |
Cadmium | |
Copper |
Question 2 |
Noise pollution is measured in
Decibels | |
Amperes | |
Fathoms | |
Ohm |
Question 3 |
Non-Ionizing radiations with specific biological effects are
Gamma rays | |
Beta-rays | |
UV radiations | |
X-rays |
Question 4 |
Ozone day is observed on
September 16 | |
April 25 | |
January 15 | |
December 16 |
Question 5 |
Ozone depletion in the stratosphere will cause
Increased incidence of skin cancer | |
Forest tires | |
Global warming | |
none of these |
Question 6 |
Sulphur dioxide affects
All membrane systems | |
Plasmodesmata | |
Cell wall | |
Nucleus |
Question 7 |
Ozone hole is largest over
Antarctica | |
Europe | |
Africa | |
China |
Question 8 |
Ozone layer of upper atmosphere is being destroyed by
Chlorofluorocarbon | |
Photochemical oxidants | |
Sulphur dioxide | |
Smog |
Question 9 |
Peeling of Ozone umbrella, which protects us from UV rays, is caused by
CFCs | |
CO2 | |
PAN | |
Coal burning |
Question 10 |
Phosphate pollution is brought about by
Phosphate rocks | |
Fertilizers | |
Phosphate rocks and sewage | |
Fertilizers and sewage |
Question 11 |
Sound becomes a hazardous noise pollution if its level is above
30 dB | |
80 dB | |
120 dB | |
150 dB |
Question 12 |
Which of the following shows biological amplification?
Hg | |
Cd | |
Both (A) and (B) | |
Neither (A) nor (B) |
Question 13 |
SO2 pollution is indicated by
Deschampsia (grasses) | |
Sphagnum (Mosses) | |
Usnea (Lichens) | |
Cucurbita (climbers) |
Question 14 |
SO2 and NO2 produce pollution by increasing
Neutrality | |
Acidity | |
Alkalinity | |
Buffer action |
Question 15 |
Pollutants having most lasting effect are
Pesticides | |
Smoke from chimneys | |
SO2 | |
CO |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 15 questions to complete.
Answer of question no. 11 must be D (150dB) instead of B (80dB). Please refere NCERT Book page 272
Brief exposure to 150 dB may cause hearing impairment