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

अवलोकन में स्थान लिखने से क्या लाभ होता है?

What is the benefit of recording location in an observation?

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Correct Answer

D. अवलोकन का संदर्भ स्पष्ट होता हैThe context of the observation becomes clear

Step 1

Concept

Recording the location shows where the event was observed. It makes the record more complete.

Step 2

Why this answer is correct

The correct answer is D. अवलोकन का संदर्भ स्पष्ट होता है / The context of the observation becomes clear. Recording the location shows where the event was observed. It makes the record more complete.

Step 3

Exam Tip

स्थान लिखने से पता चलता है कि घटना कहां देखी गई। इससे अभिलेख अधिक पूर्ण बनता है।

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Question 2/2 Medium Science 36 Exploration: Entering the World of Secondary Science Class 9 Level 4

प्रकाश का पौधे की वृद्धि पर प्रभाव जांचते समय कौन सा कारक समान रखना चाहिए?

Which factor should be kept the same while testing the effect of light on plant growth?

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Correct Answer

D. पानी की मात्राAmount of water

Step 1

Concept

The amount of water should be kept the same while testing the effect of light. This keeps the investigation fair.

Step 2

Why this answer is correct

The correct answer is D. पानी की मात्रा / Amount of water. The amount of water should be kept the same while testing the effect of light. This keeps the investigation fair.

Step 3

Exam Tip

प्रकाश का प्रभाव जांचते समय पानी की मात्रा समान रखनी चाहिए। इससे जांच निष्पक्ष रहती है।

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