Bihar Board Important Questions for Class 12 Biology

Bihar Board Important Questions for Class 12 Biology is very useful for the students. The Biology paper is considered to be a lengthy paper. Most students of Bihar Board Class 12 find the allocated time duration to be less. It may be due to the theoretical explanation of the answers along with the neat diagram. But, it can be possible to solve the complete biology paper on time if students could able to manage the time efficiently. And it will only come through practice. There is no other shortcut. Therefore, to help students prepare better we have compiled the set of Important Bihar Board Class 12 Questions based on the latest Bihar Board Class 12 Syllabus. These Bihar Board Class 12 Biology Important Questions come in very handy, while preparing for the board exams to get an idea about the question types likely to be asked.

Benefits of Solving Bihar Board Important Questions for Class 12 Biology

Students should practice these important Biology Class 12 Bihar Board questions by writing the explanatory answers and drawing the neat diagram. Here are a few benefits that students will see after solving these questions.

  • Students will able to manage their time efficiently during the exams.
  • The speed of writing the answers along with the diagrams will get faster.
  • Just by having a glance at the questions students could ale to make out whether its time taking, difficulty or easier question.
  • Overall it will help in scoring more marks in Bihar Board Class 12 Jeeva Vigyan exam.

Download Bihar Board Important Questions for Class 12 Biology

Here we have provided the set of Bihar Board Class 12 जीव विज्ञान Important Questions that consist of long answers. Students can practice more questions to excel in Bihar Board exam by solving Bihar Board Class 12 Previous Year Question Papers for all subjects.

Long Questions:

दीर्घ उत्तरीय प्रश्नः

Q1. How does embryosac develop in angiosperms ? Describe its structure.

पुष्पी पौधें में भ्रूणकोष कैसे विकसित होता है ? भू्रणकोष की संरचना का वर्णन करें।

Q2. Discuss the concept of productivity. What is primary productivity? Write about the factors affecting it.

उत्पादकता की धरणा को समझाएँ। प्राथमिक उत्पादकता क्या है ? इसको प्रभावित करनेवाले कारकों के बारे में लिखें।

Q3. Microbes can be used to decrease the use of chemical fertilizers and pesticides. Explain how this can be accomplished.

सूक्ष्मजीवों का प्रयोग रसायन उर्वरकों तथा पीड़कनाशियों के प्रयोग को कम करने के लिए किया जा सकता है। यह किस प्रकार संपन्न होगा ? व्याख्या कीजिए।

Q4. How does a chromosomal disorder differ from a Mendelian disorder? Explain

Mendelian disorders with examples.

गुणसुत्राीय विकार मेंडलीय विकार से कैसे भिन्न है ? मेंडलीय विकार का उदाहरण सहित व्याख्या करें।

Q5. What is IUDs ? How does it work ?

आई0 यू0 डी0 / अंतः गर्भाशयी युक्ति क्या है ? यह किस प्रकार कार्य करती है ?

Q6. Describe the structure of mammary gland with a well-labeled diagram.

स्तनग्रथियों का सचित्र वर्णन करें।

Q7. What are the main features of Cancer cells? Explain.

कैंसर कोशिका के मुख्य लक्षण बतलाएँ।

Q8. What do you mean by Communicable Diseases? Mention three communicable diseases caused by bacteria?

संक्रामक रोग से आप क्या समझते हैं ? जीवाणुजनित तीन संक्रामक रोगों का नाम बताएँ।

Q9. Define biodiversity. Describe in brief any three important components of biodiversity.

जैव विविध्ता की परिभाषा लिखिए। जैव विधिता के किन्हीं तीन मुख्य घटको का संक्षिप्त विवरण दीजिए।

Q10. What is pollination ? Give an account of the varied means of cross-pollination in


परागण की परिभाषा दीजिए। पौधें में पर-परागण की विधियों का वर्णन करें।

Q11. What is gene therapy? Describe it by using the example of adenosine deaminase (ADA) deficiency.

जीन चिकित्सा क्या है ? एडीनोसीन डिएमीनेज (ADA) की कमी का उदाहरण देते हुए व्याख्या करें।

Q12. Discuss the characters chosen by Mendel in garden pea. Mention the advantages

of selecting this plant for an experiment.

मेंडल ने उद्यान मटर में किन लक्षणों को चुना। उनके द्वारा प्रयोगों के लिए मटर के पौधे चुनने से क्या लाभ हुए?

Q13. Describe the structure of seminiferous tubules with a diagram.

शुक्रजनक नलिका के संरचना का सचित्रा वर्णन करें।

Q14. What are the requirements for the success of various action plan to attain reproductive health?

जनन स्वस्थ्य प्राप्ति के लिए विभिन्न कार्ययोजनाओं के सपफलतापूर्वक क्रियान्यवयन के लिए क्या-क्या सुविधएँ आवश्यक है ?

Q15. What do you mean by Drug? Describe its two types with an example?

औषधि से क्या समझते हैं ? इसके दोनों प्रमुख प्रकारों का उदाहरण के साथ वर्णन करें।

Q16. Describe the symptoms & prevention of malaria disease.

मलेरिया के लक्षण एवं रोकथाम के उपायों का वर्णन करें।

Download these Bihar Board Class 12 जीव विज्ञान Important Questions in PDF format just in a single click. Continue practising more questions to excel in Bihar board exam. Also, stay tuned for the latest updates on Bihar Board exam.

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