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Consider the following statements regarding Zoonotic Diseases.
1. Zoonotic diseases have impacted humankind since the beginning of its association with animals.
2. Increased incidences of zoonotic diseases in recent times are a direct consequence of Large-scale deforestation and encroachment of pristine natural ecosystems.
3. Out of all the human disease-causing pathogens identified so far, only around 10% are of animal origin.
Which of the above statements is/are correct?
  • a)
    3 only 
  • b)
    1, 2 
  • c)
    1, 3 
  • d)
    1, 2, 3
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding Zoonotic Diseases.1. Zoono...
Statement 1: Zoonotic diseases have impacted humankind since the beginning of its association with animals.
Zoonotic diseases are those that can be transmitted from animals to humans. Throughout history, humans have been exposed to various zoonotic diseases, and these diseases have had a significant impact on humankind. Examples of zoonotic diseases include rabies, Ebola, Zika virus, avian influenza, and COVID-19. By interacting closely with animals, humans have been exposed to pathogens that can cause zoonotic diseases. Therefore, statement 1 is correct.

Statement 2: Increased incidences of zoonotic diseases in recent times are a direct consequence of large-scale deforestation and encroachment of pristine natural ecosystems.
Large-scale deforestation and encroachment of pristine natural ecosystems have indeed contributed to the increased incidences of zoonotic diseases in recent times. When natural ecosystems are destroyed or disrupted, it can lead to changes in the habitats and behaviors of animals, which may increase the likelihood of contact between humans and disease-carrying animals. Deforestation can also bring humans in closer proximity to wildlife, increasing the chances of zoonotic disease transmission. For example, the destruction of rainforests in regions such as the Amazon has been linked to the emergence of new zoonotic diseases. Therefore, statement 2 is correct.

Statement 3: Out of all the human disease-causing pathogens identified so far, only around 10% are of animal origin.
This statement is incorrect. Numerous human diseases are caused by pathogens that originate from animals. According to the World Health Organization (WHO), approximately 60% of all known infectious diseases in humans are zoonotic in nature. These include diseases caused by bacteria, viruses, parasites, and fungi. Examples include HIV/AIDS, influenza, malaria, Lyme disease, and salmonellosis. The transmission of these pathogens from animals to humans can occur through direct contact, consumption of contaminated food or water, inhalation of airborne particles, or through vectors such as mosquitoes and ticks. Therefore, statement 3 is incorrect.

Therefore, the correct statements are 1 and 2, making option B the correct answer.
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Consider the following statements regarding Zoonotic Diseases.1. Zoono...
Zoonotic diseases, impact humankind since the beginning of its association with animals. They are also the most numerous ones. Out of all the human disease-causing pathogens identified so far, over 60% are of animal origin . These include the causative agents for several well-known human and livestock diseases such as Tuberculosis, Brucellosis, Anthrax, Leptospirosis, and Rabies. Though the natural genetic changes that make these pathogens more infectious and lethal are outside our control, several field observations and scientific investigations have established that the increased incidences of zoonotic diseases in recent times are a direct consequence of the ongoing abuse of nature. Our irresponsible actions such as large scale deforestation and encroachment of pristine natural ecosystems; reckless land-use changes either to enhance agriculture and livestock productions, or to provide land for infrastructure and industrial developments; and unsustainable consumption, coupled with unregulated trade of wildlife and their derivatives, often via a long and unhygienic supply chain, provide the enabling conditions for such disease spillovers.
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Passage-1 ‘Desertification’ is a term used to explain a process of decline in the biological productivity of an ecosystem, leading to total loss of productivity. While this phenomenon is often linked to the arid, semi-arid and sub-humid ecosystems, even in the humid tropics, the impact could be most dramatic. Impoverishment of human-impacted terrestrial ecosystems may exhibit itself in a variety of ways : accelerated erosion as in the mountain regions of the country, salinization of land as in the semi-arid and arid ‘green revolution’ areas of the country, e.g., Haryana and western Uttar Pradesh, and site quality decline—a common phenomenon due to general decline in tree cover and monotonous monoculture of rice/wheat across the Indian plains. A major consequence of deforestation is that it relates to adverse alterations in the hydrology and related soil and nutrient losses. The consequences of deforestation invariably arise out of site degradation through erosive losses. Tropical Asia, Africa and South America have the highest levels of erosion. The already high rates for the tropics are increasing at an alarming rate (e.g., through the major river systems— Ganga and Brahmaputra, in thecontext), due to deforestation and land management practices subsequent to forest clearing. In the mountain context, the declining moisture retention of the mountain soils, drying up of the ‘underground springs and smaller rivers in the Himalayan could be attributed to drastic changes the forest cover. An indirect consequence is drastic alteration in the uplandlowland interaction, mediated through water. The current concern the tea planter of Assam has is about the damage to tea plantations due to frequent inundation along the flood-plains of Brahmaputra, and the damage to tea plantation and the consequent loss in tea productivity is due to rising level of the river bottom because of siltation and the changing course of the river system. The ultimate consequences of site desertification are soil degradation, alteration in available water’ and its quality, and the consequent decline in food, fodder and fuelwood yields essential for the economic wellbeing of rural communities.=> Which of the following is/are the nor inference/ inferences that can be made from the passage?1. Deforestation can cause changes in the course of rivers.2. Salinization of land takes place to human activities only.3. Intense monoculture practice in plains is a major reason for desertification in Tropical Asia, Africa and South America.Q.Select the correct answer using the cc given below.

Passage-1 ‘Desertification’ is a term used to explain a process of decline in the biological productivity of an ecosystem, leading to total loss of productivity. While this phenomenon is often linked to the arid, semi-arid and sub-humid ecosystems, even in the humid tropics, the impact could be most dramatic. Impoverishment of human-impacted terrestrial ecosystems may exhibit itself in a variety of ways : accelerated erosion as in the mountain regions of the country, salinization of land as in the semi-arid and arid ‘green revolution’ areas of the country, e.g., Haryana and western Uttar Pradesh, and site quality decline—a common phenomenon due to general decline in tree cover and monotonous monoculture of rice/wheat across the Indian plains. A major consequence of deforestation is that it relates to adverse alterations in the hydrology and related soil and nutrient losses. The consequences of deforestation invariably arise out of site degradation through erosive losses. Tropical Asia, Africa and South America have the highest levels of erosion. The already high rates for the tropics are increasing at an alarming rate (e.g., through the major river systems— Ganga and Brahmaputra, in thecontext), due to deforestation and land management practices subsequent to forest clearing. In the mountain context, the declining moisture retention of the mountain soils, drying up of the ‘underground springs and smaller rivers in the Himalayan could be attributed to drastic changes the forest cover. An indirect consequence is drastic alteration in the uplandlowland interaction, mediated through water. The current concern the tea planter of Assam has is about the damage to tea plantations due to frequent inundation along the flood-plains of Brahmaputra, and the damage to tea plantation and the consequent loss in tea productivity is due to rising level of the river bottom because of siltation and the changing course of the river system. The ultimate consequences of site desertification are soil degradation, alteration in available water’ and its quality, and the consequent decline in food, fodder and fuelwood yields essential for the economic wellbeing of rural communities.=>According to the passage, which of the following are the consequences of decline in forest cover?1. Loss of topsoil2. Loss of smaller rivers3. Adverse effect on production4. Declining of groundwater.Q. Select the correct answer using the code given below.

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Consider the following statements regarding Zoonotic Diseases.1. Zoonotic diseases have impacted humankind since the beginning of its association with animals.2. Increased incidences of zoonotic diseases in recent times are a direct consequence of Large-scale deforestation and encroachment of pristine natural ecosystems.3. Out of all the human disease-causing pathogens identified so far, only around 10% are of animal origin.Which of the above statements is/are correct?a)3 onlyb)1, 2c)1, 3d)1, 2, 3Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements regarding Zoonotic Diseases.1. Zoonotic diseases have impacted humankind since the beginning of its association with animals.2. Increased incidences of zoonotic diseases in recent times are a direct consequence of Large-scale deforestation and encroachment of pristine natural ecosystems.3. Out of all the human disease-causing pathogens identified so far, only around 10% are of animal origin.Which of the above statements is/are correct?a)3 onlyb)1, 2c)1, 3d)1, 2, 3Correct answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements regarding Zoonotic Diseases.1. Zoonotic diseases have impacted humankind since the beginning of its association with animals.2. Increased incidences of zoonotic diseases in recent times are a direct consequence of Large-scale deforestation and encroachment of pristine natural ecosystems.3. Out of all the human disease-causing pathogens identified so far, only around 10% are of animal origin.Which of the above statements is/are correct?a)3 onlyb)1, 2c)1, 3d)1, 2, 3Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding Zoonotic Diseases.1. Zoonotic diseases have impacted humankind since the beginning of its association with animals.2. Increased incidences of zoonotic diseases in recent times are a direct consequence of Large-scale deforestation and encroachment of pristine natural ecosystems.3. Out of all the human disease-causing pathogens identified so far, only around 10% are of animal origin.Which of the above statements is/are correct?a)3 onlyb)1, 2c)1, 3d)1, 2, 3Correct answer is option 'B'. Can you explain this answer?.
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