Basic Science Class 6 Bharati Bhawan Solution Chapter 18: Waste

Get latest Basic Science Class 6 Bharati Bhawan Solution Chapter 18 : Waste. These solutions prepared by subject experts. Clear all your concepts.

Basic Science 2023-24 Solutions For Class 6 Basic Science Chapter 18 Waste are provided here with simple step-by-step explanations. These Basic Science For Class 6 Bharati Bhawan Science are extremely popular among class 6 students for Science Waste Solutions come in handy for quickly completing your homework and preparing for exams.

If You want to check all Bharati Bhawan Basic Science For Class 6 Solutions Links for all solutions are provided at last. All questions and answers from the Bharti Bhawan Basic Science 2023-24 Book of Class 6 Science Chapter 18 Question Answer are provided here for you for free.

All Basic Science 2023-24 solutions for std 6 basic science Chapter 18 are prepared by experts and are 100% accurate.

Basic Science Class 6 Bharati Bhawan Solution Chapter 18 : PART A

Question: l. Name the categories into which waste can be classified on the basis of its source.

Answer: 1. Waste can be classified into different types based on where it comes from, such as household, industrial, agricultural, and medical waste.

Question: 2. What are landfills?

Answer: 2. Landfills are places where garbage is dumped. They can be natural slopes or man-made holes in the ground.

Question: 3. What is leachate?

Answer: 3. Leaching is when dissolved substances from rotting garbage seep into the soil. These substances are called leachate.

Question: 4. How does organic waste decompose?

Answer: 4. Organic waste is biodegradable, meaning it can break down naturally with the help of decomposers.

Question: 5. What is incineration?

Answer: 5. Incineration is a way to get rid of waste by burning it.

Basic Science Class 6 Bharati Bhawan Solution Chapter 18 : PART B

Question: 1. What does domestic waste consist of?

Answer: 1. Household waste includes things like vegetable and fruit peels, leftover food, paper, glass, plastic, metal cans, batteries, medicines, and garden waste.

Question: 2. Which type of waste is hazardous and why?

Answer: 2. In household waste, batteries contain toxic chemicals, medicines and glass are hazardous, and industrial waste has many harmful chemicals that can pollute land and water. Medical waste is dangerous as it may have things like blood, stool samples, and soiled bandages.

Question: 3. What steps should be taken to ensure that a landfill does not cause pollution?

Answer: 3. Landfills should be far away from where people live to avoid spreading diseases and polluting water and land. Toxic waste should not be dumped in landfills. They should be covered with soil to prevent scavengers from spreading the garbage.

Question: 4. What is recycling? How is it beneficial?

Answer: 4. Recycling is when used materials are treated so they can be used again. For example, recycling saves resources needed to make paper from trees and metals from mining and refining.

Basic Science Class 6 Bharati Bhawan Solution Chapter 18 : PART C

Question: 1. What are the advantages and disadvantages of incineration?

Answer:1. Advantages of burning waste are that it reduces its volume, and the leftover ashes are easier to dispose of. But burning waste wastes materials that could be recycled. Also, precautions are needed to avoid releasing harmful gases and particles into the air, which costs money. In our country, a lot of waste is wet, and burning it requires fuel, which is a waste of money and resources.

Question: 2. What is composting?

Answer: 2. Compost is a natural fertilizer made from organic waste like kitchen scraps, farm waste, and vegetable leftovers. It’s made by burying layers of waste in pits with soil in between. Bacteria in the soil break down the waste into compost, which is good for the soil.

Question: 3. Distinguish between biodegradable and nonbiodegradable waste, giving examples.

Answer: 3. Organic waste that can be broken down naturally by decomposers is called biodegradable waste. Things like plants and animals are biodegradable. But materials like plastic and metals don’t break down and are called non-biodegradable.

Question: 4. Explain how waste can be harmful for our health.

Answer: 4. If solid waste is left to rot in the open, it becomes a breeding ground for harmful microorganisms, flies, and mosquitoes. This spreads diseases. Rainwater can wash the rotting waste into water bodies, contaminating them and causing water-borne diseases like dysentery and cholera. Pesticides and chemicals from agricultural and industrial waste can also enter the food chain, making them harmful.

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