What impact does waste accumulation have on our environment?
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Solution and Explanation
When waste is dumped improperly, it often ends up in landfills, where it can decompose and release harmful substances such as toxic chemicals, heavy metals, and plastics into the soil. This pollution can contaminate groundwater and reduce soil fertility, making it difficult for plants to grow and affecting agricultural productivity.
Step 2: Air Pollution.
Decomposing waste in landfills, particularly organic waste, produces methane gas, a potent greenhouse gas that contributes to climate change. Additionally, the burning of waste releases harmful pollutants into the air, leading to respiratory problems and contributing to global warming.
Step 3: Water Pollution.
Waste accumulation in water bodies, such as rivers, lakes, and oceans, leads to water contamination. This affects aquatic life and the overall ecosystem, as toxic chemicals and plastics can harm marine organisms. Polluted water also affects human communities that rely on these water sources for drinking, irrigation, and sanitation.
Step 4: Biodiversity Loss.
Waste accumulation can also contribute to the destruction of habitats. For example, plastics and other non-biodegradable waste can entangle animals or be ingested, leading to injury or death. This disrupts local biodiversity and harms the balance of ecosystems.
Top Questions on Waste Management
- State two benefits of this waste management practice.
- ICSE Class X board - 2026
- Geography
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- Radioactive waste is the most harmful waste.
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- Udit wants his younger sister to bring about a few lifestyle changes to help her contribute towards a cleaner and healthier environment. Suggest three advice that Udit may provide her in this regard.
- ICSE Class X board - 2026
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- Dumping could be harmful for the environment.
- ICSE Class X board - 2026
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- Waste should be segregated before disposal.
- ICSE Class X board - 2026
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Questions Asked in ICSE Class X board exam
Give the output of the following Java program segment:
String a[] = {"Atasi", "Aditi", "Anant", "Amit", "Ahana"};
System.out.println(a[1].charAt(1) + "*" + a[2].charAt(2));The output of the above statement is:
- ICSE Class X board - 2026
- Character String
Assertion and Reasoning
Assertion (A): The substring() method modifies the original String.
Reason (R): The substring() method can extract part of a String from a specific index.
- ICSE Class X board - 2026
- Character String
Rewrite the following program segment using a
forloop:Given program segment:
int a = 5, b = 10;
while (b > 0)
{
b -= 2;
}
System.out.println(a * b);Note: Ensure that the variable $b$ remains accessible for the
System.out.printlnstatement after the loop terminates.- ICSE Class X board - 2026
- Control Statements
Define a class named
StepTrackerwith the following specifications:Member Variables:
String name— stores the user's name.int sw— stores the total number of steps walked ($sw$).double cb— stores the estimated calories burned ($cb$).double km— stores the estimated distance walked in kilometers ($km$).
Member Methods:
1.
void accept()
To input thenameand thesw(steps walked) usingScannerclass methods only.2.
void calculate()
Calculates calories burned ($cb$) and distance in ($km$) based on steps walked ($sw$) using the provided estimation logic.- ICSE Class X board - 2026
- Object-Oriented Programming
- Write a program to accept a two-dimensional integer array of order \( 4 \times 5 \) as input from the user. Check if it is a Sparse Matrix or not. A matrix is considered to be a sparse, if the total number of zero elements is greater than the total number of non-zero elements. Print appropriate messages.