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1. जिन अभिक्रिया में ऊष्मा का अवशोषण होता है –
- A. विस्थापन अभिक्रिया
- B. ऊष्माक्षेपी अभिक्रिया
- C. ऊष्माशोषी अभिक्रिया
- D. इनमें से कोई नहीं
2. धातुएं इलेक्ट्रॉन को त्यागकर क्या बनती है ?
- A. धनायन
- B. ऋणायन
- C. दोनों
- D. इनमें से कोई नहीं
3. पीतल है –
- A. धातु
- B. आधातु
- C. मिश्रधातु
- D. उपधातु
4. कौन-सा इन्जाइम वसा पर क्रिया करता है ?
- A. इमैलेज
- B. ट्रिप्सिन
- C. पेप्सिन
- D. लाइपेज
5. प्रकाश का चाल न्यूनतम होता है :
- A. निर्वात में
- B. जल में
- C. वायु में
- D. कांच में
6. लेंस कि क्षमता है S.I मात्रक है :
- A. जूल
- B. डायोप्टर
- C. अर्ग
- D. वाट
7. दही में कौन-सा अम्ल होता है ?
- A. टार्टरिक अम्ल
- B. फोर्मिक अम्ल
- C. लैक्टिक अम्ल
- D. एसिटिक अम्ल
8. निम्न में से किस लेंस कि फोकस दुरी धनात्मक होती है ?
- A. उत्तल लेंस
- B. अवतल लेंस
- C. दोनों
- D. इनमें से कोई नहीं
9. मानव शरीर कि सबसे बड़ी कोशिका है ?
- A. सिनेप्स
- B. तंत्रिका
- C. मस्तिष्क
- D. झिल्ली
10. अनुवांशिकता सूचनाओ को उत्पन्न करता है ?
- A. DNA
- B. RNA
- C. दोनों
- D. इनमें से कोई नहीं
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