Plastic and environment - class-XI
Description: plastic and environment | |
Number of Questions: 46 | |
Created by: Ankita Patil | |
Tags: materials fibres and plastics chemistry petrochemicals and polymers synthetic fibres and plastics manmade materials polymer chemistry man made materials derivatives of hydrocarbons |
Which of the following is biodegradable substance?
Why the waste created by plastics is not friendly with environment ?
Plastic products are identified by the use of some special numbers. These numbers represent for
Disposal of plastic is a major problem because :
A non-biodegradable waste is:
What is recycling?
Cotton cloth requires _______ to decompose.
What are biodegradable compounds?
Which out of the following is used for making disposable cups?
To which of the following 4R principle apply most?
Which of the following is non biodegradable?
Which of the following products can't be decomposed easily?
Which of the following material take the longest to degenerate ?
Substances which cannot be decomposed by micro organisms are called :
Which material is responsible for the cause of animal death?
Which of the following materials is responsible for the cause of animal death?
Which of the following statement is true about non-biodegradable materials?
Which of the following item cannot be recycled?
Examples of non-biodegradable is/are :
______ is an example of biodegradable .
_____ waste products can also be called green waste, food waste, or organic waste.
Burning of plastic causes :
Disposable plastic plates should not be used because:
Non-biodegradable substance releases harmful gases when burnt.
The substance which undergoes decomposition by the microbial action is called a:
Synthetic polymers are biodegradable substance.
Environmental pollution by plastics can be minimized by practising the 4R principle of:
Plastic __________ the percolation of water into the soil and prevents replenishment of ground water.
Use of plastic bags and cans for packing food items is harmful to health.
What is biodegradable?
Which of the following best describes biodegradation?
Which of the followings prove that plastics do not make food and medicine toxic?
Plastic is bad for environment because :
Incineration of plastics causes:
Which of the following object is not made from paper?
Manholes are located at every ................ in the sewerage, at the junction of two or more sewers and at points where there is a change in direction -
The activated sludge is about ............ water.
_____ is used to destroy the household waste,chemical waste and biological waste (from hospitals) to $CO _2$ and $H _2O$?
Which of the following process uses electrified gas which has a very high temperature?
__________ is the process in which waste is buried in the land.
__________ is a bio-degradation process that take organic matter i.e remains of plants,garden and kitchen waste that turn into nutrient-rich food for plants.
Which of the following are examples of recycling by industry?
Phosphate ions from fertilizers are sometimes present as contaminants in municipal sewage. These have been removed with some success by:
Which of the following is not an example of waste management?
The _________ waste is being converted into fuel which has a high octane number. It is known as the green fuel.