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Test: Solid Wastes, Agrochemicals & Radioactive Wastes


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10 Questions MCQ Test Biology Class 12 | Test: Solid Wastes, Agrochemicals & Radioactive Wastes

Test: Solid Wastes, Agrochemicals & Radioactive Wastes for NEET 2022 is part of Biology Class 12 preparation. The Test: Solid Wastes, Agrochemicals & Radioactive Wastes questions and answers have been prepared according to the NEET exam syllabus.The Test: Solid Wastes, Agrochemicals & Radioactive Wastes MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Solid Wastes, Agrochemicals & Radioactive Wastes below.
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Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 1

Which of the following elements is responsible for Minamata disease?

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 1

Minamata disease is caused due to mercury. Mercury, is changed to water soluble dimethyl, mercury, which undergoes biomagnification. This disease is characterized by diarrhoea, haemolysis, impairment of various senses numbness of lips tongue, limbs etc.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 2

Large-scale disposal of solid waste in low areas of the ground and then covering it with earth is called

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 2

A Landfill is a location where disposable materials are sent. There, the refuse is buried underground to remove it from sight. This is done in a way that prevents it from coming into contact with and potentially contaminating any groundwater.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 3

Which of the following correctly represents the stages in solid waste management?

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 3

 Solid waste management is a big problem in urban, industrial and rural areas. Hazardous wastes contaminate the environment in various ways. Improper handling of these waste contaminates the atmosphere and surroundings as well. Therefore, the waste is being collected then segregation occurs (means the same group of waste materials is kept together) after this waste has been transported to the area and lastly dumped into landfills.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 4

Substances which can be broken down into non-poisonous substances by the action of microorganisms are said to be

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 4

Those waste materials which can be broken down to non-poisonous substances in nature by the action of microorganisms (like bacteria) are called biodegradable wastes. They get recycled and therefore do not require dumping sites.They do not cause any pollution to the soil.
Example:- Paper, Wood, etc.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 5

 What is the 3R approach?

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 5

The 3R approach - reduce, reuse and recycle - for effective waste management.

Reduce: One can reduce the amount of solid waste at the source itself. Example: Use of less paper and less plastic carry bags.

Reuse: One can use plastic bottles and jars, aluminium foils and plastic bags over and over again, before recycling or disposing them of.

Recycle: Used and discarded materials like plastic, glass, paper and metal are sent to the respective industries, where they can be converted into other useful products.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 6

Pollution from animal excreta and organic waste from the kitchen can be most profitably minimised by

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 6

Pollution from human excreta and organic wastes from kitchen can be most profitably minimized by using them for producing biogas. These wastes release methane and other gases as a result of action of anaerobic micro-organisms. Biogas contain methane in bulk and other gases like CO2, H2, N2 and O2.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 7

Which of the following is an effect of waste accumulation?

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 7

Exposure to hazardous waste can affect human health, children are being more vulnerable to these pollutants. Direct dumping of untreated waste in rivers, seas, and lakes results in the accumulation of toxic substances in the food chain through the plants and animals that feed on it

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 8

Which one of the following is mainly produced by the activity of anaerobic bacteria on sewage?

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 8

The decompositon of sludge by anaerobic bacteria in sewage-treatment processes produces marsh gas (methane).

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 9

 Allethrin is a

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 9

Allethrin is a type of pyrethroids. Pyrethroids are synthetic derivatives of pyrethrin, a chemical produced by grinding of flowers of the plant Chiysanthemum cinerarifouum. These are broad spectrum insecticides.

Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 10

How should the hazardous waste be disposed of?

Detailed Solution for Test: Solid Wastes, Agrochemicals & Radioactive Wastes - Question 10

Hazardous wastes are very harmful for life if disposed or burnt in the open. They can cause cancer, heart disorders and many other skin problems. So, they should be disposed with proper care only after proper treatment.

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