Comprehensive collection of questions from Environment & Ecology asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
The Water (Prevention and Control of Pollution) Act was enacted in which of the following years?
Which of the following can be the possible consequence/consequences of heavy sand mining in riverbeds? 1. Decreased salinity in the river 2. Pollution of groundwater 3. Lowering of the water-table Select the correct answer using the code given below:
In which year was the Water Prevention and Control of Pollution Act enforced?
When did the Government of India pass the Water (Prevention and Control of Pollution) Act?
What is the role of ultraviolet (UV) radiation in water purification systems? 1. It inactivates/kills the harmful microorganisms in water. 2. It removes all the undesirable odours from the water. 3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water. Which of the statements given above is/are correct?
Which of these environmentalists is popularly known as the 'Waterman of India'?
Which of the following gases is used for purifying drinking water?
Which of the following is not a biotic resource?
Consider the following statements: 1. 36% of India's districts are classified as "overexploited" or "critical" by the Central Ground Water Authority (CGWA). 2. CGWA was formed under the Environment (Protection) Act. 3. India has the largest area under groundwater irrigation in the world. Which of the statements given above is/are correct?
For pollution abatement under the National Lake Conservation Plan (NLCP), which of the following urban wetlands/lakes were selected? 1. Bhoj - Madhya Pradesh 2. Sukhna - Chandigarh 3. Chilika - Odisha 4. Pichola - Rajasthan Select the correct answer using the code below:
To prevent water loss in desert regions, which of the following leaf modifications occur? 1. Hard and waxy leaves 2. Tiny leaves or lack of leaves 3. Thorns instead of leaves Select the correct answer using the code given below:
World Water Day (World Water Conservation Day) is celebrated on:
In the Union Budget 2014, the Integrated Ganga Conservation Mission was named:
When was the 'Central Ganga Authority' established in India?
In which of the following years was the 'Central Ganga Authority' constituted by the Government of India?
Which of the following lakes was included under the National Lake Conservation Project?
The news-making 'Lisbon Declaration' is related to the conservation of which entity?
Which of the following watershed development projects is sponsored by the Central Government of India, aiming to enable the rural population to conserve water?
Match List-I with List-II and select the correct answer using the code given below the lists: List-I (Air Pollutant) List-II (Affected Organ) A. Asbestos dust 1. Brain B. Lead 2. Stomach / Abdomen C. Mercury 3. Lungs D. Carbon monoxide 4. Blood stream Codes:
Consider the following pairs: Commonly used / consumed materials Unwanted or controversial chemicals likely to be found in them 1. Lipstick Lead 2. Soft drinks Brominated vegetable oil 3. Chinese fast food Monosodium glutamate Which of the pairs given above is/are correctly matched?
Which of the following is not correctly matched? (Pollutant) - (Associated Disease)
Lead, ingested through air or food, is a hazard to health. Since the prohibition of lead addition in petrol, which of the following are sources causing lead poisoning? 1. Smelting units 2. Pens and pencils 3. Paints 4. Hair oils and cosmetics Select the correct answer using the codes given below:
The most toxic metal pollutant released in automobile exhaust is:
Euro norms define the permissible emission limits for a gas in motor vehicles. This gas is:
To meet Euro-II standards, what should be the sulfur content in ultra-low sulfur diesel?