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medicine experiment MCQ Questions for Class 9

medicine experiment se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with medicine experiment.

Question 1/2 Expert Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 8

एक औषधि परीक्षण में प्रतिभागियों को यह नहीं बताया गया कि उन्हें वास्तविक औषधि मिली या निष्क्रिय गोली। इसका मुख्य उद्देश्य क्या है?

In a medicine test participants are not told whether they received the real medicine or an inactive pill. What is the main purpose?

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Correct Answer

D. अपेक्षा से उत्पन्न प्रतिक्रिया पक्षपात कम करनाReduce response bias caused by expectations

Step 1

Concept

Blinding reduces the influence of participants' expectations. Link it with the placebo effect in exams.

Step 2

Why this answer is correct

The correct answer is D. अपेक्षा से उत्पन्न प्रतिक्रिया पक्षपात कम करना / Reduce response bias caused by expectations. Blinding reduces the influence of participants' expectations. Link it with the placebo effect in exams.

Step 3

Exam Tip

अंध परीक्षण प्रतिभागियों की अपेक्षाओं के प्रभाव को कम करता है। परीक्षा में इसे प्लेसीबो प्रभाव से जोड़ें।

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Question 2/2 Hard Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

किस प्रयोग में डबल-ब्लाइंड विधि सबसे अधिक उपयोगी होगी?

In which experiment would a double-blind method be most useful?

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Correct Answer

A. नई सिरदर्द गोली की प्रभावशीलता जाँचनाTesting the effectiveness of a new headache tablet

Step 1

Concept

In a medicine trial expectations of participants and evaluators can influence results. In exams choose blinding when subjective effects are possible.

Step 2

Why this answer is correct

The correct answer is A. नई सिरदर्द गोली की प्रभावशीलता जाँचना / Testing the effectiveness of a new headache tablet. In a medicine trial expectations of participants and evaluators can influence results. In exams choose blinding when subjective effects are possible.

Step 3

Exam Tip

दवा परीक्षण में प्रतिभागी और मूल्यांकनकर्ता की अपेक्षाएँ परिणाम को प्रभावित कर सकती हैं। परीक्षा में व्यक्तिपरक प्रभाव वाले परीक्षण में अंध विधि चुनें।

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