Concept-wise Practice

microscope MCQ Questions for Class 9

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

Practice Questions

2 questions tagged with microscope.

एक छात्र ने सूक्ष्मदर्शी में पाँच कोशिकाएँ देखीं और कहा कि ऊतक की सभी कोशिकाएँ समान आकार की हैं। यह निष्कर्ष कमजोर क्यों है?

A student observed five cells under a microscope and concluded that all cells in the tissue are the same size. Why is the conclusion weak?

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Correct Answer

A. नमूना छोटा और संभवतः अप्रतिनिधि हैThe sample is small and possibly unrepresentative

Step 1

Concept

A few cells may not represent variation across the whole tissue. Measure more cells from multiple regions.

Step 2

Why this answer is correct

The correct answer is A. नमूना छोटा और संभवतः अप्रतिनिधि है / The sample is small and possibly unrepresentative. A few cells may not represent variation across the whole tissue. Measure more cells from multiple regions.

Step 3

Exam Tip

कुछ कोशिकाएँ पूरे ऊतक की विविधता नहीं दर्शा सकतीं। अनेक क्षेत्रों से अधिक कोशिकाएँ मापें।

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सूक्ष्मदर्शी का प्रयोग विज्ञान में क्यों किया जाता है?

Why is a microscope used in science?

Explanation opens after your attempt
Correct Answer

A. बहुत छोटी वस्तुओं को देखने के लिएTo observe very small objects

Step 1

Concept

A microscope enlarges very small objects for observation. Remember to match each instrument with its use.

Step 2

Why this answer is correct

The correct answer is A. बहुत छोटी वस्तुओं को देखने के लिए / To observe very small objects. A microscope enlarges very small objects for observation. Remember to match each instrument with its use.

Step 3

Exam Tip

सूक्ष्मदर्शी से बहुत छोटी वस्तुओं को बड़ा करके देखा जाता है। उपकरण और उसके उपयोग का मिलान याद रखें।

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