Related Questions

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes
A Paralysis of muscles & loss of appetite
B Nervous depression
C Gastritis & diarrhea
D All of the above
Which is the most lethal weapon ?
A Atom (fusion) bomb
B Hydrogen bomb
C Cobalt bomb
D Neutron bomb
Ultraviolet radiation which is not lethal but harm to the organism is
A 0.1 to 0.28
B 0.28-0.32
C 0.32-0.4
D 0.4-0.5
Find out the opposite word. LETHAL
A Safe
B Playful
C Virulent
D Forgiving
The meaning of " LETHAL' is:
A lasting
B deadly
C nomina
D enchanting
Find the synonym option that best express the meaning of the idiom/phrase given below. Lethal
A Unlawful
B Deadly
C Sluggish
D Smooth
lethal gene এর প্রভাবে কোনটি হয় না?
A ক্রীপার মুরগী
B পা যুক্ত বাছুর
C Thalassemia
D Haemophilia
Most poisonous pollutant in water is
A Lead
B Zinc
C Phosphate
D Arsenic
Which of the following is not a water pollutant?
A Chromium
B Silt
C Glacier
D Arsenic
The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by
A Biological oxygen pond
B Aerated lagoons
C Trickling filters
D Gravity separator having oil skimming devices

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