चार पौधों को क्रमशः (50,mL), (100,mL), (150,mL) और (200,mL) जल दिया गया। इस प्रयोग में स्वतंत्र चर के स्तर कितने हैं?
Four plants receive (50,mL), (100,mL), (150,mL) and (200,mL) of water respectively. How many levels of the independent variable are present?
Explanation opens after your attempt
C. चारFour
Concept
The four different amounts of water are four levels of the independent variable. Each distinct value counts as one level.
Why this answer is correct
The correct answer is C. चार / Four. The four different amounts of water are four levels of the independent variable. Each distinct value counts as one level.
Exam Tip
जल की चार अलग मात्राएँ स्वतंत्र चर के चार स्तर हैं। प्रत्येक अलग मान को एक स्तर माना जाता है।
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