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Exercise class 9 science chapter 9 environmental management, Question answer class 9 science, Std 9 chapter 9, Std 9 environmental management, Exercise environmental management, Question answer environmental management,
Match the items in column ‘A’ with the proper ones in coloum ‘B’
and explain their impact on the environment.
Column ‘A’
Column ‘B’
1. Harmful waste
a. Glass, rubber, carry bags, etc.
2. Domestic waste
b. Chemicals, pigments, ash, etc.
3. Biomedical waste
c. Radioactive material
4. Industrial waste
d. Left over food, vegetables, peelings of fruits.
5. Urban waste
e. Bandages, cotton, needles, etc.
2. Complete the statements using the
given options and justify those
statements.
(Geographic favourability, climate,
weather, observatory)
a. Of the abiotic factors that affect
biodiversity by far the most important
is .................. .
b. A description of the climatic
conditions of short duration in a
particular area is .................. .
c. Irrespective of the progress of human
beings, we have to think about
.................. .
d. Establishments where various
climatic factors are recorded are
called .................. .
3. Answer the following questions.
a. How is first aid provided to victims
of disasters who are injured?
b. State the scientific and eco-friendly
methods of waste management.
c. Explain with suitable examples, the
relationship between weather
forecasting and disaster management.
d. Why is e-waste harmful? Express
your opinion about this.
e. How will you register individual your
participation in solid waste
management?
4. Write notes.
Meteorology, Climatic factors, Monsoon
model, Industrial waste, Plastic waste,
Principles of first aid.
5. Give examples of the importance of
climate in the living world with
explanations, in your own words.
6. Explain with suitable examples, the
care to be taken when using the
methods of transporting patients.
7. Explain the differences.
a. Weather and climate
b. Degradable and non-degradable
waste
Activity :
1. Visit a nearby hospital and collect
information about how waste is
managed.
2. Establish a vermi compost project in
your school under the guidance of
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