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Science Exploration: Entering the World of Secondary Science MCQ Questions for Class 9

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Question 1/2 Easy Science 43 Exploration: Entering the World of Secondary Science Class 9 Level 6

किस कथन में अवलोकन और मापन दोनों हैं?

Which statement contains both observation and measurement?

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Correct Answer

C. घोल पीला है और उसका आयतन चालीस मिलीलीटर हैThe solution is yellow and its volume is forty millilitres

Step 1

Concept

Yellow colour gives qualitative information and volume gives quantitative information. Both can be recorded together.

Step 2

Why this answer is correct

The correct answer is C. घोल पीला है और उसका आयतन चालीस मिलीलीटर है / The solution is yellow and its volume is forty millilitres. Yellow colour gives qualitative information and volume gives quantitative information. Both can be recorded together.

Step 3

Exam Tip

पीला रंग गुणात्मक और आयतन मात्रात्मक जानकारी देता है। दोनों को साथ दर्ज किया जा सकता है।

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Question 2/2 Medium Science 43 Exploration: Entering the World of Secondary Science Class 9 Level 4

किस अवलोकन को अधिक सटीक बनाना चाहिए?

Which observation should be made more precise?

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Correct Answer

C. पौधा बहुत लंबा हैThe plant is very tall

Step 1

Concept

Very tall is vague and contains no measurement. Record the height using a suitable unit.

Step 2

Why this answer is correct

The correct answer is C. पौधा बहुत लंबा है / The plant is very tall. Very tall is vague and contains no measurement. Record the height using a suitable unit.

Step 3

Exam Tip

बहुत लंबा अस्पष्ट कथन है और इसमें मापन नहीं है। ऊंचाई को उचित इकाई में लिखें।

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