Open Text Book Assessment Study material for Class 9 - Hindi by MotaChashma in Types > School Work, cbse, and otba. Otba for the Chapter, CBSE Class 9 HINDI, क्षितिज, भाग 1. Find Hindi OTBA material of class 9th issued by CBSE for the year OTBA, the Open Textbook Assessment was introduced by CBSE for classes IX and XI.


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What are the issues about Solid Waste Management now a days?

Open Text Based Assessment Class 9 & 11 for

Otba class 9 hindi Waste Management SWM has been an issue of serious concern in a densely populated country otba class 9 hindi India and this concern is in terms of both health and environment. This issue arise due to lack of awareness, open dumping, burning of waste, etc. What are the reason for outbreak of recent vector borne diseases?

Recent outbreak of vector borne diseases like dengue, chikungunya, malaria and typhoid were due to profuse and unhygienic method of dumping waste in the open.

Objective of Solid Waste Management system: What are the steps towards waste management?

Open Text Based Assessment Class 9 & 11

Under the Environmental Protection Act, the Govt. Municipal waste mainly consists of household waste, construction and demolition debris, sanitation residue etc.

Otba class 9 hindi is Bioreactor Technology in waste degradation? Bioreactor technology is an environmental friendly technique in which microbial cultures are used to treat the waste produced and is converted into compost or manures by using the enzymes present in the microbes.

Thus, reducing the amount of waste and also generating useful product from the same.


What are the advantages of bioreactor technology? What is meant by Waste Hierarchy? The aim of the waste hierarchy is to extract the maximum practical benefits from products and to generate the minimum amount of waste.

State the objectives of solid waste management. What are the hazards of plastic waste?


Non-judicious disposal of plastics leads to the choking of drains, reducing the soil fertility, killing animals on ingestion and hindering the recharge of groundwater.

Thus, conventional plastics, right from their manufacture to their disposal are a major problem to the environment. As per Plastic waste Management and handlingRules,a State Level Advisory committee has to otba class 9 hindi constituted to oversee the handling, use and disposing of plastic waste.

The rules have introduced the concept of Extended Producer Responsibility EPR for the first time with respect to plastic waste. Otba class 9 hindi can one do for an effective SWM? As an individual, a person can generate awareness amongst people for solid waste management.

Chapter, Otba: CBSE Class 9 HINDI, क्षितिज, भाग 1 - Meritnation

Following ideas can be shared to reduce solid waste — a Segregation at source i. The Hazardous and Other Wastes Management and Trans-boundary Movement Rules, notified by the Ministry of Environment distinguish hazardous waste from others such as waste tyres, paper waste, metal scrap and used electronic items.

How can we save Yamuna? Sometimes producers of products or services accept a degree of responsibility for the wastes that result from the products they market, by reducing materials used in production, making recyclable goods, and reducing packaging.

Yamuna is polluted due to dumping of solid wastes and creating problems to treat the water. If the segregation of the waste is performed at the source level than the additional cost of water treatment can be saved and water can be purified easily. Since Yamuna mainly has industrial pollution, so the industries should, as producers, take responsibility to reduce the discharge of effluents otba class 9 hindi the river.

Why is state of the art technology along with planning otba class 9 hindi for scientific disposal of waste, in future?

CBSE Class 9th Hindi OTBA Study Material | CBSE

Our country needs policy and guidelines to enable the municipal corporations to run the waste services otba class 9 hindi.

In our country, practices and methodologies used for SWM are still following the unscientific and inefficient methods and are mainly dependent on the informal sector. Besides, owing to the population explosion, enormous amount of waste is generated leading to the overflowing landfills.