National Science Olympiad (NSO)Level-1 Pattern ClassSectionNo. of QuestionsMarks per QuestionTotal Marks 1 to 4Logical Reasoning515 Science25125 Achievers Section5210 Grand Total3540 5 to 10Logical Reasoning10110 Science35135 Achievers Section5315 ...
CBSE Class 10 Science MCQ Chapter 15 Our Environment help students to get well-versed with the multiple-choice questions most likely to be asked in the Science exam. Also, download the Chapter 15 MCQs PDF with answers and score well in the exams.