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Identify the primary sources of ambient Nitrogen Dioxide (NO2).

  1. High-temperature combustion of fuels in industrial processes.
  2. Natural processes like photosynthesis.
  3. Combustion activities related to heating, transportation, and power generation.
  4. Evaporation of water bodies.

    What are the characteristics of Nitrogen Dioxide (NO2)?

    1. Nitrogen dioxide (NO2) is a reddish-brown gas.
    2. It is insoluble in water.
    3. It acts as a weak oxidant.
    4. NO2 is a strong oxidant.
      Which of the following is NOT listed as a component of Particulate Matter in the notes?
      What does Particulate Matter (PM) refer to?

      Which of the following statements about Sulfur Dioxide (SO₂) are correct?

      1. Sulfur dioxide is a colorless gas that dissolves easily in water.
      2. The primary source of sulfur dioxide emissions is the burning of natural gas for cooking.
      3. Sulfur dioxide can negatively impact human health when present in concentrations above 1 ppm.
      4. Sulfur dioxide is mainly produced from agricultural activities.

        Which of the following statements about heavy metal uptake by plants is correct?

        1. Vegetables like brinjal, gourd, spinach, coriander, tomato, and pumpkin are susceptible to heavy metal uptake by their roots.
        2. Heavy metals are not absorbed by the roots of plants.
        3. Heavy metals are only absorbed by the leaves of plants.
        4. Plants can effectively remove heavy metals from the soil without any risk.

          What are the correct statements regarding Chromium exposure?

          1. Exposure to Chromium over a long period can result in the formation of ulcers.
          2. Chromium exposure is beneficial for skin health.
          3. Chromium is a light metal with no known health risks.
          4. Chromium exposure has no long-term effects.

            Which of the following statements about heavy metals and DNA are correct?

            1. Heavy metals can induce DNA damage.
            2. Heavy metals can cause chromosome aberrations.
            3. Heavy metals enhance DNA replication and transcription.
            4. Heavy metals have no effect on genetic material.

              Evaluate the statements concerning Cadmium's impact on human health.

              1. Cadmium is a highly toxic metal that can cause bone damage.
              2. Acute exposure to Cadmium can lead to renal dysfunction.
              3. Prolonged exposure to high levels of Cadmium can result in lung damage.
              4. Cadmium is beneficial for bone health.

                Which statements accurately describe Mercury's effects and classification?

                1. Mercury is considered highly carcinogenic by the European Protection Agency (EPA).
                2. Mercury exposure is linked to Alzheimer's disease and lung damage.
                3. Mercury exposure can improve skin health.
                4. Mercury is only found in water.

                  Identify the correct statements regarding the effects of heavy metals on the human body.

                  1. Excessive levels of heavy metals can damage organs such as the brain, liver, kidneys, and heart.
                  2. Heavy metals have no impact on the nervous system.
                  3. The primary effect of heavy metals is on the skin.
                  4. Heavy metals are beneficial for organ function.

                    Which of the following statements about the impact of heavy metals on human health are correct?

                    1. Heavy metals entering the food chain can disrupt the food pyramid and lead to health issues like cancer and liver diseases.
                    2. Vegetables like brinjal, spinach, and tomato are resistant to heavy metal uptake.
                    3. Heavy metals primarily affect the digestive system.
                    4. Consuming vegetables contaminated with heavy metals is safe.
                      Which of the following regions are mentioned as having subpopulations that exceed tolerable dietary intakes of methylmercury due to high fish consumption?
                      What do human biomonitoring and diet-modelling data suggest about tolerable dietary intakes of methylmercury?
                      Besides diet, through what other route can methylmercury be transmitted from mother to child?
                      Which population group is most susceptible to methylmercury exposure?
                      What is methylmercury known to be?
                      What is the main way methylmercury enters the human body?
                      How is inorganic mercury converted to methylmercury in the environment?
                      What are the primary forms of mercury emitted into the air from both anthropogenic and natural sources?
                      According to epidemiological studies, what blood lead (B-Pb) levels in children are consistently associated with adverse effects?
                      Why is a woman's lifetime exposure to lead before pregnancy considered important?
                      How can lead exposure affect fetuses and breastfed infants?
                      Where does lead accumulate in the body?
                      At what life stages can lead exposure lead to neurodevelopmental effects in children?
                      What is the most critical effect of lead exposure, especially in children?
                      What is lead primarily known as?
                      The damage to proximal tubular cells results in:
                      In heavily contaminated areas, what can constitute a substantial part of crop contamination and exposure?
                      What is the main source of cadmium exposure for the general population?
                      Why might women be at increased risk from cadmium exposure compared to men?
                      Which of the following population groups is NOT explicitly mentioned as being at increased risk from cadmium exposure?
                      For highly exposed sub-populations, the margin of safety between daily intake and intake causing effects for cadmium is:
                      What type of cancer risk is associated with inhalation exposure to cadmium in occupational settings?
                      What is a skeletal effect associated with cadmium exposure?
                      What is a critical effect of cadmium exposure on the kidneys?
                      Which organs are critically affected by environmental exposure to cadmium?
                      What characteristic makes heavy metals a significant threat to living organisms?
                      Which of the following industrial activities is a source of Chromium emission?
                      Lead, an extremely toxic metal, commonly originates from which substance?
                      Which industry is a common origin for Cadmium?
                      From which primary source does mercury primarily emanate?
                      At what concentration do heavy metals like mercury, cadmium, and lead pose a significant threat?
                      Which of the following metals is NOT explicitly mentioned as a heavy metal posing a significant threat due to toxicity?
                      Which characteristic distinguishes heavy metals in the periodic table?
                      What is a significant threat posed by heavy metal contamination to ecosystems?

                      Which of the following receptors can be activated by Endocrine Disrupting Chemicals (EDCs)?

                      1. Estrogen Receptor and Androgen Receptor.
                      2. Estrogen Related Receptor.
                      3. Aryl Hydrocarbon Receptor.
                      4. Constitutive Androstane Receptor.
                      5. Only receptors involved in reproductive hormone action.

                        Which of the following pesticides are identified as endocrine disruptors?

                        1. Atrazine and lindane are examples of pesticides that act as endocrine disruptors.
                        2. Chlordecone and endosulfan are known endocrine disruptors.
                        3. Methoxychlor and vinclozolin are not reported to have endocrine-disrupting properties.
                        4. Dicofol is an endocrine disruptor, while lindane is not.

                          How do Endocrine Disrupting Chemicals (EDCs) primarily interact with the body's hormonal system?

                          1. EDCs interfere with the function of endocrine glands by mimicking natural hormones.
                          2. EDCs can bind to and activate various hormone receptors, such as Estrogen Receptor and Androgen Receptor.
                          3. EDCs only affect the elimination of natural hormones from the body.
                          4. The main action of EDCs is to block the synthesis of all natural hormones.

                            What defines an Endocrine Disrupting Chemical (EDC)?

                            1. An EDC is an exogenous agent that interferes with natural hormones responsible for homeostasis and development.
                            2. EDCs primarily disrupt endocrine glands by blocking the action of natural hormones.
                            3. EDCs only affect the production and release of natural hormones.
                            4. The primary mechanism of EDCs is to mimic the action of natural hormones.