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प्रश्न
The question has four options. Choose the correct answer:
Fish die in water bodies polluted by sewage due to
पर्याय
pathogens
clogging of gills by silt
reduction in oxygen
foul smell
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उत्तर
reduction in oxygen
APPEARS IN
संबंधित प्रश्न
Give reason for the following :
Broken glass utensils are a kind of non-degradable waste.
Match the items in Column I with as many times as possible in Column II.
|
Column I |
Column II |
|
1. Cow dung |
(i) Sugarcane |
|
2. Bagasse |
(ii) Raddiwalas |
|
3. Old newspapers |
(iii) Manure |
How can the non-useful component be reused?
List waste products produced from an industry.
A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit and recycling unit respectively.
Items:
- Plastic bags
- Newspaper and journals
- Screw and nuts
- Vegetable peels
- Metal chips
- Egg shells
Which items were transferred to which bin?
The steps required for conversion of kitchen garbage into manure are given below in a jumbled form.
- Put garbage in a pit
- Cover the bottom of the pit with sand
- Cover the pot loosely with a gunny bag or grass
- Add worms
Which of the following shows the correct sequence of the above steps?
To what use can you put the following kind of garbage and how?
Rotting smelly garbage
"The change in packaging has resulted in waste becoming non-biodegradable." Giving two examples from daily life, justify this statement.
Which of the following features relates to biodegradable substances?
Which one of the following is a biodegradable waste?
