Class 12th Biology Practice Set 06 – Exam Test Hub
1. S.L. Miller was- / एस.एल. मिलर थे-
Correct!
Wrong!
2. Natural selection theory was proposed by- / प्राकृतिक वरण (चुनाव) सिद्धांत किसने दिया था ?
Correct!
Wrong!
3. Homologous structures are those which have- / समजातीय संरचना वे होते हैं जिनके हो।
Correct!
Wrong!
4. Which among following is responsible for humoral immunity- / निम्नलिखित में कौन ह्यूमोरल प्रतिरक्षा के लिए जिम्मेदार हैं-
Correct!
Wrong!
5. Cocaine is obtained from- / कोकीन प्राप्त किया जाता है-
Correct!
Wrong!
6. Excessive use of opium caused- / अफीम के अत्यधिक प्रयोग से होता है
Correct!
Wrong!
7. Active immunity is discovered by- / सक्रिय प्रतिरक्षा की खोज की-
Correct!
Wrong!
8. How many types of drugs are found? / दवा कितने प्रकार की होती है ?
Correct!
Wrong!
9. Who said that different forms of lilfe have evolved from use and disuse of organs ?/ किसने कहा था कि जीवन रूपों का विकास, अंग के उपयोग एवं अनुपयोग के कारण हुआ?
Correct!
Wrong!
10. Which of the following serve as biofertilizer in paddy fields ? / इनमें से कौन-सा जैव उर्वरक धान के खेत में उपयोग होता है-
Correct!
Wrong!
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12th Biology UP Board 2026, 12th Biology Practical Book Answers PDF, 12th Biology CBSE Board.
Class 12th Biology Practice Set 05
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