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प्रश्न
The expanded form of DDT is ______.
विकल्प
dichloro diphenyl trichloroethane
dichloro diethyl trichloroethane
dichloro dipyrydyl trichloroethane
dichloro diphenyl tetrachloroacetate
उत्तर
The expanded form of DDT is dichloro diphenyl trichloroethane.
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संबंधित प्रश्न
State the cause of accelerated eutrophication
How does algal bloom destroy the quality of a fresh water body? Explain.
Plenty of algal bloom is observed in a pond in your locality.
(a) Write what has caused this bloom and how does it affect the quality of water.
(b) Suggest a preventive measure.
Biomagnification is caused mainly by ______.
The loudness of a sound that a person can withstand without discomfort is about ______.
Match the items in column I and column II and choose the correct option:
| Column I | Column II |
| A. UV | i. Biomagnification |
| B. Biodegradable Organic matter | ii. Eutrophication |
| C. DDT | iii. Snow blindness |
| D. Phosphates | iv. BOD |
The correct match is:
It is a common practice to undertake desilting of the overhead water tanks. What is the possible source of silt that gets deposited in the water tanks?
Which of the following water samples in the table given below, will have a higher concentration of organic matter?
Match the following and choose the correct option.
| Column I | Column II |
| A. Environment Protection Act | i. 1974 |
| B. Air Prevention & Control of Pollution Act | ii. 1987 |
| C. Water Act | iii. 1986 |
| D. Amendment of Air Act to include noise as an air pollutant | iv. 1981 |
The correct matches is:
Match the following and choose the correct option.
| Column I | Column II | ||
| A. | Environment Protection Act | i. | 1974 |
| B. | Air Prevention & Control of Pollution Act | ii. | 1987 |
| C. | Water Act | iii. | 1986 |
| D. | Amendment of Air Act to include noise as an air pollutant | iv. | 1981 |
