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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 38 Exploration: Entering the World of Secondary Science Class 9 Level 6

किस अवलोकन को चित्र से दर्ज करना सबसे उपयोगी है?

Which observation is most useful to record with a drawing?

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Correct Answer

B. अंकुर के आकार में बदलावChange in seedling shape

Step 1

Concept

A drawing shows changes in shape and structure. Add the date with the drawing.

Step 2

Why this answer is correct

The correct answer is B. अंकुर के आकार में बदलाव / Change in seedling shape. A drawing shows changes in shape and structure. Add the date with the drawing.

Step 3

Exam Tip

चित्र आकार और बनावट में बदलाव दिखाता है। चित्र के साथ तिथि भी लिखें।

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Question 2/2 Medium Science 38 Exploration: Entering the World of Secondary Science Class 9 Level 4

पौधे की ऊंचाई प्रतिदिन अलग समय पर मापने से क्या समस्या हो सकती है?

What problem may arise if plant height is measured at different times each day?

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Correct Answer

B. आंकड़ों की तुलना कम विश्वसनीय होगीData comparison will be less reliable

Step 1

Concept

Conditions may change at different times and affect comparison. Measure at the same time each day.

Step 2

Why this answer is correct

The correct answer is B. आंकड़ों की तुलना कम विश्वसनीय होगी / Data comparison will be less reliable. Conditions may change at different times and affect comparison. Measure at the same time each day.

Step 3

Exam Tip

अलग समय पर परिस्थितियां बदल सकती हैं और तुलना प्रभावित हो सकती है। प्रतिदिन समान समय पर मापन करें।

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