Acche Marks

How Indian culture and traditions helped in bio-diversity conservation? Give importance of conservation in terms of utilitarian reasons.

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1. In various Indian cultural and religious traditions, biodiversity finds protection and reverence, as seen in festivals and practices. For instance, Nagpanchami celebrates the respect for snakes, acknowledging their role in the ecosystem by controlling the rat population. 2. The Vatapournima festival involves the worship of a banyan tree, showcasing the cultural significance of plants. … Read more

During large public gatherings like Pandharpur vari mobile toilets are deployed by the government. Explain how this organic waste is disposed.

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1) Government deploys mobile toilets, showcasing ecological sanitation, especially during large public events like Pandharpur vari. 2) This approach to human waste disposal is practical, efficient, and cost-effective. 3) Ecological sanitation (ecosan) is implemented to conserve water and prevent sewage generation, employing dry composting toilets as a sustainable solution. Organic waste disposal: 1) Ecosan is … Read more

How BS emission standards changed over time? Why is it essential?

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i. The latest fuel policy outlines stringent norms to reduce the sulphur and aromatic content in petrol and diesel, emphasizing the upgrading of engines. These standards, known as Bharat stage emission standards (BS), align with Euro norms and have progressed from Bharat Stage II (BS-II) to BS-VI between 2001 and 2017. ii. The modification of … Read more

Name any 2 personalities who have contributed to control deforestation in our country. Elaborate on importance of their work.

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i. Saalumarada Thimmakka, an Indian environmentalist hailing from Karnataka, has gained recognition for her remarkable efforts in planting and caring for 385 banyan trees along a 4 km stretch between Hulikal and Kudur. Her extensive tree-planting endeavors extend to nearly 8000 other trees, earning her the esteemed National Citizens Award of India and the prestigious … Read more

Montreal protocol is an essential step. Why is it so?

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i. In response to the recognized detrimental effects of ozone depletion, the Montreal Protocol, an international treaty signed in 1987 in Montreal (Canada), stands as a pivotal measure to regulate the emission of ozone-depleting substances. ii. Subsequent to its inception, additional endeavors and protocols have been established, delineating distinct roadmaps for both developing and developed … Read more

Name two types of particulate pollutants found in air. Add a note on ill effects of the same on human health.

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Two types of pollutants are: Natural pollutants:Natural pollutants include mist, dust, fumes. Manmade pollutants: smoke particles, as well as smog pesticides, heavy metals, radioactive elements etc. Fine particles of dust can enter the respiratory passage, potentially causing harm to delicate lung tissues. Dust pollution can result from activities like construction, building demolition, and traffic. Additionally, … Read more

How does CO cause giddiness and exhaustion?

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1. Carbon monoxide harms by binding to hemoglobin, diminishing blood’s oxygen-carrying capacity. 2. This interference hampers oxygen supply to organs, leading to common effects like fatigue and headaches. 3. CO exposure can result in confusion and dizziness as the brain receives insufficient oxygen.

Green house effect is boon or bane? Give your opinion.

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1. The natural greenhouse effect, crucial for Earth’s habitability, maintains a comfortable average temperature of 15 °C, making the planet suitable for life. 2. Unfortunately, human activities, particularly the rise in greenhouse gas levels from industrialization and automobiles, have transformed the once beneficial greenhouse effect into a significant threat, leading to global warming.

How does genetic diversity affect sustenance of a species?

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Genetic diversity plays a crucial role in the sustenance of a species by enhancing its ability to adapt to environmental changes. The wide range of gene variations within a population enables individuals to withstand various forms of environmental stress. For instance, some individuals may possess better traits to endure increasing pollution, while others may lack … Read more

Tropical regions exhibit species richness as compared to polar regions. Justify.

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1. Lush vegetation and abundant food thrive in tropical regions, thanks to the generous sunlight and humidity. 2. Polar regions, characterized by extensive snow cover, exhibit minimal vegetation and stark landscapes. 3. Survival in these extreme environments is reserved for a select few animal species equipped with specialized adaptations. 4. Plant and animal species diversity … Read more