1. Which of the following statements are true?
1. Human population growth has led to increased demand for natural resources, contributing to environmental pollution.
2. Effective pollution control is possible without compromising developmental activities.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
2. Which of the following statements are true?
1. Pollutants are agents that cause undesirable changes in environmental conditions.
2. The Environment (Protection) Act was passed in 1986 to regulate and control natural resource usage only.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
3.Which of the following statements are true?
1. Electrostatic precipitators remove over 99% of particulate matter from industrial emissions.
2. Electrostatic precipitators filter out both particulate matter and all harmful gases from exhaust.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
4.Which of the following statements are true?
1. Fine particulate matter (PM 2.5) is dangerous to human health as it penetrates deep into the lungs.
2. PM 2.5 is effectively removed by electrostatic precipitators.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
5. Which of the following statements are true?
1. Automobiles emit pollutants that contribute to air pollution, which can be reduced with catalytic converters.
2. Catalytic converters convert leaded petrol into harmless gases.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
6. Which of the following statements are true?
1. Delhi implemented a switch to CNG for public transportation to reduce air pollution.
2. CNG contributes significantly to the atmospheric sulfur levels, making it a less favorable fuel option.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
7.Which of the following statements are true?
1. Noise is considered an air pollutant and can have serious health impacts.
2. The Air (Prevention and Control of Pollution) Act initially excluded noise pollution from its definition of air pollutants.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
8. Which of the following statements are true?
1. Sewage treatment plants can remove all pollutants, including dissolved salts and toxic metals.
2. Domestic sewage treatment primarily targets biodegradable organic matter, reducing its environmental impact.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
9.Which of the following statements are true?
1 Water hyacinth growth in Indian water bodies is beneficial as it purifies polluted waters.
2. Excessive growth of water hyacinth leads to an imbalance in aquatic ecosystems.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
10.Which of the following statements are true?
1. Thermal wastewater can positively impact aquatic life by increasing biodiversity in cold regions.
2. Thermal wastewater is generally harmful, as it disrupts native aquatic ecosystems.
A) Only Statement 1 is true.
B) Only Statement 2 is true.
C) Both statements are true.
D) Neither statement is true.
