WB TET · Environmental Studies
Sources, uses, conservation and water pollution.
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
Q1 · Water Resources and Pollution · EASY
A village in West Bengal gets its drinking water from a nearby pond. During the monsoon season, the pond overflows and mixes with water from agricultural fields. What is the main water pollution problem the villagers are likely to face?
Q2 · Water Resources and Pollution · MEDIUM
A school in Kolkata is planning to conserve water. The principal wants to collect rainwater from the roof of the school building. If the roof area is 200 square meters and the annual rainfall is 150 cm, approximately how many liters of rainwater can be collected in a year? (Assume all rainwater is collected)
Q3 · Water Resources and Pollution · EASY
Which of the following is NOT a major source of fresh water available for human use in West Bengal?
Q4 · Water Resources and Pollution · HARD
A factory near a river releases hot water (thermal discharge) from its cooling system directly into the river. Even though the water contains no chemical pollutants, it still harms aquatic life. What is the scientific reason for this?
Q5 · Water Resources and Pollution · HARD
A teacher explains to students that certain pollutants accumulate in increasing concentrations at successive trophic levels in an aquatic food chain. This phenomenon is called biological magnification. Which of the following substances is MOST likely to exhibit this effect?