Class 9 Science - 25 - Exploration: Entering the World of Secondary Science Expert Quiz

Science 25 Exploration: Entering the World of Secondary Science Expert Class 9 Topic Quiz

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Question 1/1 Expert Science 25 Exploration: Entering the World of Secondary Science Class 9 Level 5

एक जांच में हर पौधे के लिए अलग प्रकार की मिट्टी और अलग मात्रा में पानी प्रयोग किया गया। मुख्य समस्या क्या है?

In an investigation different soil types and different amounts of water were used for every plant. What is the main problem?

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Correct Answer

A. एक साथ कई कारक बदल गएSeveral factors changed at the same time

Step 1

Concept

Changing soil and water together prevents isolation of one factor's effect. Change only one independent variable in a fair test.

Step 2

Why this answer is correct

The correct answer is A. एक साथ कई कारक बदल गए / Several factors changed at the same time. Changing soil and water together prevents isolation of one factor's effect. Change only one independent variable in a fair test.

Step 3

Exam Tip

एक साथ मिट्टी और पानी बदलने पर किसी एक कारक का प्रभाव अलग नहीं किया जा सकता। निष्पक्ष जांच में एक ही स्वतंत्र चर बदलें।

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