Class 9 Science - Exploration: Entering the World of Secondary Science - Variables in an experiment Easy Quiz

Level 3 • 6/50 questions • 40 seconds per question.

Level readiness 6/50 Questions
Time Left 04:00 40 sec/question
RewardsCoins + XP
ModeClassic Quiz
Share
This level needs 44 more active questions. Admin panel me same class, subject, difficulty aur level_no 3 par question add karein.
Question 1 / 6 0 score
Answered 0/6 Correct 0 Time 04:00

प्रयोग में सही उपकरण चुनना क्यों महत्वपूर्ण है?

Why is choosing the correct instrument important in an experiment?

Explanation opens after your attempt
Correct Answer

B. इससे उचित और सटीक मापन मिलता हैIt provides suitable and accurate measurement

Step 1

Concept

The correct instrument gives suitable and accurate measurement. Choose an instrument according to the quantity being measured.

Step 2

Why this answer is correct

The correct answer is B. इससे उचित और सटीक मापन मिलता है / It provides suitable and accurate measurement. The correct instrument gives suitable and accurate measurement. Choose an instrument according to the quantity being measured.

Step 3

Exam Tip

सही उपकरण से उचित और सटीक मापन प्राप्त होता है। उपकरण को मापी जाने वाली राशि के अनुसार चुनें।

Open Question Page
Ask Friends

किसी प्रयोग के दौरान सभी चरण क्रम से लिखने का क्या लाभ है?

What is the benefit of writing all experimental steps in order?

Explanation opens after your attempt
Correct Answer

C. विधि समझना और दोहराना आसान होता हैThe method becomes easy to understand and repeat

Step 1

Concept

Ordered steps make an experiment clear and repeatable. Write the procedure in the correct sequence.

Step 2

Why this answer is correct

The correct answer is C. विधि समझना और दोहराना आसान होता है / The method becomes easy to understand and repeat. Ordered steps make an experiment clear and repeatable. Write the procedure in the correct sequence.

Step 3

Exam Tip

क्रमबद्ध चरण प्रयोग को स्पष्ट और दोहराने योग्य बनाते हैं। प्रक्रिया को सही क्रम में लिखें।

Open Question Page
Ask Friends

यदि किसी प्रयोग में एक साथ कई कारक बदल दिए जाएं तो क्या कठिनाई होगी?

What difficulty arises if several factors are changed at the same time in an experiment?

Explanation opens after your attempt
Correct Answer

D. परिणाम का सही कारण पहचानना कठिन होगाIt will be difficult to identify the true cause of the result

Step 1

Concept

Changing several factors makes it difficult to know which caused the effect. Change one factor at a time.

Step 2

Why this answer is correct

The correct answer is D. परिणाम का सही कारण पहचानना कठिन होगा / It will be difficult to identify the true cause of the result. Changing several factors makes it difficult to know which caused the effect. Change one factor at a time.

Step 3

Exam Tip

कई कारक बदलने से यह पता लगाना कठिन होता है कि प्रभाव किस कारण से हुआ। एक समय में एक कारक बदलें।

Open Question Page
Ask Friends

विज्ञान में किसी प्रयोग की सीमा लिखने का क्या अर्थ है?

What does stating a limitation of an experiment mean in science?

Explanation opens after your attempt
Correct Answer

D. यह बताना कि परिणाम किन परिस्थितियों तक लागू हैंExplaining the conditions under which the results apply

Step 1

Concept

A limitation shows how far a conclusion can be applied. Stating limitations reflects scientific honesty.

Step 2

Why this answer is correct

The correct answer is D. यह बताना कि परिणाम किन परिस्थितियों तक लागू हैं / Explaining the conditions under which the results apply. A limitation shows how far a conclusion can be applied. Stating limitations reflects scientific honesty.

Step 3

Exam Tip

सीमा बताती है कि निष्कर्ष का उपयोग कहां तक उचित है। सीमाएं लिखना वैज्ञानिक ईमानदारी दर्शाता है।

Open Question Page
Ask Friends

प्रयोग के बाद हाथ धोना किससे संबंधित है?

Washing hands after an experiment is related to what?

Explanation opens after your attempt
Correct Answer

B. वैज्ञानिक सुरक्षाScientific safety

Step 1

Concept

Washing hands after an experiment protects against harmful substances. Safety rules are part of every experiment.

Step 2

Why this answer is correct

The correct answer is B. वैज्ञानिक सुरक्षा / Scientific safety. Washing hands after an experiment protects against harmful substances. Safety rules are part of every experiment.

Step 3

Exam Tip

प्रयोग के बाद हाथ धोना हानिकारक पदार्थों से सुरक्षा देता है। सुरक्षा नियम हर प्रयोग का भाग हैं।

Open Question Page
Ask Friends

वैज्ञानिक प्रयोग में लेबल लगे पात्रों का उपयोग क्यों किया जाता है?

Why are labelled containers used in a scientific experiment?

Explanation opens after your attempt
Correct Answer

C. पदार्थों की सही पहचान के लिएTo identify substances correctly

Step 1

Concept

Labels help identify substances correctly and use them safely. Do not use an unlabelled substance.

Step 2

Why this answer is correct

The correct answer is C. पदार्थों की सही पहचान के लिए / To identify substances correctly. Labels help identify substances correctly and use them safely. Do not use an unlabelled substance.

Step 3

Exam Tip

लेबल पदार्थों की सही पहचान और सुरक्षित उपयोग में मदद करते हैं। बिना लेबल के पदार्थ का उपयोग न करें।

Open Question Page
Ask Friends
FAQs

Class 9 Science Quiz FAQs

How many questions are in this quiz?

This level is designed for 50 active questions. Currently 6 questions are available for the selected class and difficulty.

Is there a timer in this quiz?

Yes, the timer uses 40 seconds per question for Easy difficulty and shows the total remaining time on the page.

Can I open each question separately?

Yes, every question has its own SEO-friendly page with answer, explanation and related practice links.