class 10 science ch 7 important question

class 10 science ch 7 important question class 10 science ch 7 important question download PDF  Download class 10 science ch 7 important question class 10 science ch 7 important question Chapter 7 Summary for revision Any change in environment to which an organism responds and reacts is called stimulus. Plants not only respond to light but … Read more

CLASS 10 SCIENCE CH 9 some higher Order Thinking Skill and brain twisting questions

Higher Order Thinking and brain twisting question and answers-click for pdf CLASS 10 SCIENCE CH 9 some higher Order Thinking 1. Life does not originate now a days. why? Solution : Due to presence of oxidising atmosphere and the presence of consumers. Oxygen oxidises the intermediate compounds so no life originates on the earth now … Read more