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 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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Daily Current Affairs MCQ- April 2, 2022

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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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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?

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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.

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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.=>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:Statement-I:India claims to have fulfilled its Paris Agreement commitments and achieved an additional carbon sink of 1.97 billion tonnes of CO2 equivalent.Statement-II:Approximately 10 million hectares of Indian forests are under encroachment, and about 5.7 million hectares have been lost for non-forestry purposes.Which one of the following is correct in respect of the above statements?

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Consider the following statements:Statement-I:Researchers are developing the first effective vaccine against the Clostridioides difficile bacteria utilizing mRNA technology that was pivotal in combating COVID-19.Statement-II:The Korowai tribe in Papua has gained notoriety due to their historical association with cannibalism, although such practices have largely diminished over time.Which one of the following is correct in respect of the above statements?

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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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