Concept-wise Practice

observation period MCQ Questions for Class 9

observation period 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 observation period.

एक छात्र ने निष्कर्ष दिया कि अधिक जल से पौधे तेजी से बढ़ते हैं जबकि उसने केवल दो दिन तक अवलोकन किया। मुख्य समस्या क्या है?

A student concluded that more water makes plants grow faster after observing for only two days. What is the main problem?

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Correct Answer

A. अवलोकन अवधि बहुत छोटी हैThe observation period is too short

Step 1

Concept

A very short period does not provide enough evidence about long-term growth. In exams match the scope of the conclusion with the duration of data.

Step 2

Why this answer is correct

The correct answer is A. अवलोकन अवधि बहुत छोटी है / The observation period is too short. A very short period does not provide enough evidence about long-term growth. In exams match the scope of the conclusion with the duration of data.

Step 3

Exam Tip

बहुत छोटी अवधि दीर्घकालिक वृद्धि के लिए पर्याप्त प्रमाण नहीं देती। परीक्षा में निष्कर्ष की सीमा डेटा अवधि से मिलाएँ।

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एक विद्यार्थी ने वर्षा का अवलोकन केवल एक दिन किया और पूरे महीने का निष्कर्ष निकाल दिया। यह कौन सी त्रुटि है?

A student observed rainfall for only one day and drew a conclusion for the whole month. What error is this?

Explanation opens after your attempt
Correct Answer

A. सीमित अवलोकन से अतिसामान्यीकरणOvergeneralisation from limited observation

Step 1

Concept

One day's observation may not represent the entire month. Look for adequate duration and sampling.

Step 2

Why this answer is correct

The correct answer is A. सीमित अवलोकन से अतिसामान्यीकरण / Overgeneralisation from limited observation. One day's observation may not represent the entire month. Look for adequate duration and sampling.

Step 3

Exam Tip

एक दिन का अवलोकन पूरे महीने का प्रतिनिधित्व नहीं कर सकता। परीक्षा में पर्याप्त अवधि और नमूना देखें।

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