(a) Both A and R are true, and R is the correct explanation of A. (b) Both A and R are true, but R is not the correct explanation of A. (c) A is true, but R is false. (d) A is false, but R is true.

Now that the paper is over, students might be waiting for the answer key. The answer key helps the students to estimate their total score. Students can check the link to the answer key.

CBSE 10th Science Question Paper 2025 PDF: The Central Board of Secondary Education (CBSE) exams started on February 15, 2025 (Saturday). Here is the free PDF of the question paper of the CBSE Board ...

CBSE Class 10th Science Answer Key 2025: The CBSE Class 10 Science Exam 2025 was held on February 20, 2025. As per the initial student reactions, the paper was of moderate difficulty level. To help ...

As the CBSE Class 10 Science exam draws near on February 20, 2025, students are refining their preparation plans to perform well in this crucial assessment. The 3-hour exam, worth 80 marks, will ...