Informatics Practices
Assertion (A): In an if-else statement, the if block checks the true part whereas else checks for the false part.
Reasoning (R): In a conditional construct, else block is mandatory.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Python Control Flow
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Answer
A is true but R is false.
Explanation
In an if-else statement, the if block checks if a condition is true and will execute a block of statements and if the condition is false, it won't execute that block. The else part executes a block of code when the if condition is false. In a conditional construct, the else block is not mandatory.
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Related Questions
Assertion (A): When a set of statements is indented under the same block, starting from the same indentation, it is said to be a compound statement.
Reasoning (R): Compound Statement begins with a header ending with a colon (:) sign and the statements under the same indentation are marked as a block.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): The conditional flow of control is implemented using if statement.
Reasoning (R): A statement or statements (block of code) are indented (usually 4 spaces) inside the if statement and are executed only if the condition evaluates to true, otherwise they are ignored.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): When a Python code is unable to accept an input, it results in runtime error.
Reasoning (R): Runtime error arises due to incorrect statement that results in no output.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): break and continue are termed as Jump statements.
Reasoning (R): Jump statements can only be used with looping constructs but not with conditional constructs.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.