(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.

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 ...

ICSE Class 10th Science Syllabus 2023: Science is part of Group II subjects in ICSE Class 10 Board exams and consists of Physics, Chemistry and Biology papers. Science is not a mandatory course but is ...