Match the following :(a) Minamata disease 1. Nitrate (b) Itai-Itai disease 2. Mercury (c) Black foot disease 3. Cadmium (d) Blue baby syndrome 4. Arsenic
(a) (b) (c) (d)
2 3 4 1
Minamata disease, first reported from Minamata Bay in Japan, is caused by mercury (methyl mercury) accumulated in fish, so (a) - 2.
Itai-Itai disease, also from Japan, is cadmium poisoning that makes bones soft and painful, so (b) - 3. Black foot disease is gangrene of the feet caused by arsenic in groundwater, so (c) - 4.
Blue baby syndrome (methaemoglobinaemia) occurs in infants who drink water with excess nitrate, which reduces the oxygen carrying capacity of blood, so (d) - 1.
The matching order is (a) 2, (b) 3, (c) 4, (d) 1.
Hence, (a) (b) (c) (d)
2 3 4 1.
Important Questions from Environmental pollution
Photochemical smog is a resultant of the reaction among
Which of the following is NOT responsible for the degradation of our environment?
Why is there a concern about copper smelting plants?
1. They may release lethal quantities of carbon monoxide into environment.
2. The copper slag can cause the leaching of some heavy metals into the environment.
3. They may release sulphur dioxide as a pollutant.
Select the correct answer using the code given below.
Magnetite particles, suspected to cause neurodegenerative problems are generated as environmental pollutants from which of the following?
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave ‘Stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below.
Considering the primary atmospheric roles and radiative forcing characteristics, which of the following gases is not typically categorized as a long-lived, well-mixed greenhouse gas contributing directly to the Earth's warming, but rather is known for its role in atmospheric aerosol formation and acid deposition?
