GEOGRAPHY MCQS SET 118

GEOGRAPHY MCQS SET 118

1171) The massive hole in the ozone layer over the Antarctica was first discovered in
A) 1976
B) 1985
C) 1960
D) None of these

Answer: 1985
   
1172) India would phase out the production and consumption of the controlled ODS (Ozone Depleting Substances) within the time frame and limits specified in the
A) Vienna Convention
B) Basel Convention
C) Montreal Protocol
D) Agenda 21

Answer: Montreal Protocol
   
1173) Garbage can be put under four categories organic. toxic, soiled, and recyclable. Which of the following organic wastes forms an important part?
A) Plastic bags
B) Vegetable peels
C) Glass
D) Metal

Answer: Vegetable peels
   
1174) Wind erosion is one of the key causes of desertification and occurs when soil is left bare of vegetation. State the major cause of wind erosion in arid and semi arid lands where this problem is most severe.
A) Cleaning of land for agriculture
B) Overgrazing by livestock
C) Deforestation
D) Forest fires

Answer: Overgrazing by livestock
   
1175) A poisonous substance is produced in the spores of a fungal mould 'Aspergillus Flavus' that grows naturally on peanuts and grains. If ingested, it can damage the immune system, cause liver cancer and is also mutagenic inducing chromosomal damage in a wide range of animals. Name this toxin.
A) Betulinum toxin
B) Aflatoxin
C) Dioxin
D) All of these

Answer: Aflatoxin

1176) Hazardous waste is generated mainly by the industrial sector. It not only causes harm to the environment but also leads to health problems. A small percentage of the hazardous waste is also generated in the house. One of the following is a hazardous waste that is generated in the house. Name it.
A) Paper
B) Leftover foodstuff
C) Old batteries
D) Plastic bags

Answer: Old batteries
   
1177) Municipal waste is disposed in the open dumps, landfills, sanitary landfills, and is also burnt in large furnaces. This method is known as
A) incineration
B) blastfurnace
C) waste furnace
D) None of these

Answer: incineration
   
1178) Proper disposal of hazardous toxic waste is essential as exposure to it can cause serious problems to the health. Which is potentially the safest means of disposing of the most toxic wastes: organic solvents, chlorinated hydrocarbons, and oil base compounds (including PCBs and dioxins)?
A) Municipal incineration
B) Industrial high temperature incineration
C) Landfills
D) None of the above

Answer: Industrial high temperature incineration
   
1179) The municipal solid waste generated in India is about 40% organic matter. Composting is the best method of disposal of organic solid waste. Where was the country's first aerobic composting plant set-up in 1992?
A) Delhi
B) Mumbai
C) Calcutta
D) Chennai

Answer: Mumbai
   
1180) Consider the following statements
1. Ozone is an allotropic form of oxygen.
2. Ozone is red in colour with distinctive. penetrating odour.
3. Ozone helps in growth of bacteria in water.
4. Ozone is formed due to the action of the sunlight over the atomic and molecular oxygen.
Which of the statements given above are correct?
A) 1,2,3 and 4
B) 1 and 3
C) 1 and 4
D) 1,2 and 4

Answer: 1 and 4