Which of the following is NOT suitable for composting?
Show Hint
- Fruit peels
- Egg shells
- Neem soap
- Used tea leaves
The Correct Option is C
Solution and Explanation
Composting is the process of breaking down organic matter into nutrient-rich soil. This is typically done using biodegradable materials such as fruit peels, egg shells, tea leaves, and other organic waste.
Step 2: Analysis of the options.
- (a) Fruit peels: Suitable. Fruit peels are rich in organic matter and are great for composting.
- (b) Egg shells: Suitable. Egg shells break down easily and add valuable calcium to the compost.
- (c) Neem soap: Not suitable. Neem soap contains chemicals that could harm the beneficial microorganisms in composting, making it unsuitable.
- (d) Used tea leaves: Suitable. Used tea leaves are organic and can be easily composted.
Step 3: Conclusion.
Neem soap is not suitable for composting due to its chemical content, which can negatively impact the composting process. Final Answer: Neem soap.
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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.