यदि पौधे की वृद्धि पर खाद का प्रभाव जांचते समय पानी की मात्रा भी बदल जाए तो पानी की मात्रा क्या बन जाएगी?
If water amount also changes while testing the effect of fertiliser on plant growth what will water amount become?
Explanation opens after your attempt
D. बाधक चरConfounding variable
Concept
Changing water amount may also affect growth so it becomes a confounding variable. Change only one main factor at a time.
Why this answer is correct
The correct answer is D. बाधक चर / Confounding variable. Changing water amount may also affect growth so it becomes a confounding variable. Change only one main factor at a time.
Exam Tip
पानी की बदलती मात्रा भी वृद्धि को प्रभावित कर सकती है इसलिए यह बाधक चर बनेगी। एक समय में केवल एक मुख्य कारक बदलें।
Login to save your score, XP, coins and progress.
