Q.14. Bluebaby syndrome results from

1. Excess of TDS
2. Excess of DO
3. Excess of chloride
4. Methaemoglobin

---

Environmental Issues : Biology (Class 12th) Revision Test | MCQs For NEET

25 Questions 2 Attempts 1.89K Seen

|

Action	Q.No.	Que title	Option 1 (a)	Option 2 (b)	Option 3 (c)	Option 4 (d)
	1	Which chemical substance affects the Ozone Layer?	Chlorofluorocarbon	Chlorine	Hexafluorocarbon	Molecular Carbon
	2	In Ozone Degradation which element acts as catalyst?	Chlorine	Flurine	Oxygen	Potassium
	3	Ozone Layer is found in	Stratosphere	Lithosphere	Troposphere	Hemisphere
	4	Acid Rain comes under which type of pollution?	Water pollution	Air pollution	Soil pollution	Sound Pollution
	5	Environment (Protection) Act came into force in?	1986	1989	1992	1993
	6	Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with	DDT	Ammonia	CO2	Water
	7	Chlorofluoro carbon are responsible for	Acid rain	Ozone layer depletion	Global warming	Thermal inversion
	8	Fluoride pollution mainly affect	Teeth	Kidney	Brain	Heart
	9	Nutrient enrichment of water bodies causes	Stratification	Eutrophication	Succession	None of these
	10	Increased skin cancer and high mutation rate are due to	Acid Rain	Ozone Depletion	CO2 Pollution	CO Pollution
	11	Natural air pollutant are	Pollen Grains	Gases of Volcanic Eruption	Aerosol	Fluorides
	12	Which one of the following is not a greenhouse gas?	Methane	CO2	Chlorofluoro carbon	Hydrogen
	13	Minimata disease is caused by	ByChromium	By Cadmium	By Methyl mercury	By Radioactive elements
	14	Bluebaby syndrome results from	Excess of TDS	Excess of DO	Excess of chloride	Methaemoglobin
	15	A mutagenic pollutant is:	Organophosphate	Resines	Hydrocarbons	Nitrogen oxides
	16	Rain is called acid rain, its pH is below:	7	6.5	6	5.6
	17	Common indicator organism of water pollution is	Lemna pancicostata	Eichhomia crassipes	Escherichia coli	Entamoeba histolytica
	18	Pollution of SO2 destroys	Lichen	Fungi	Algae	Fish
	19	Act formulated in 1996 was	Insecticide Act	Air (Prevention and Control of Pollution) Act	Water (Prevention and control of Pollution) Act	Environment protection Act
	20	Permissible noise levels in a residential area at night time is	35 dB	40 dB	45 dB	50 dB
	21	The natural aging of the lake is called	Biomagnification	Eutrophication	BOD	None of the above
	22	The agents that bring undesirable changes in the environment arc called	Pollution	Fragments	Pollutants	None of the above
	23	Particulate matter can be removed by	Catalytic converter	Converter	Radioactive converter	Electrostatic converter
	24	The petrol used in engines filled with catalytic converter should be	Simple petrol	Any type of petrol	Unleaded petrol	None of the above
	25	Which metal inactivates a catalytic converter?	Gold	Iron	Silvers	Lead

start test without login