Bihar Board 12th Maths Model Papers Bihar Board 12th Maths Model Question Paper 1 in Hindi समय : 3 घंटे 15 मिनट अंक : 100 परिक्षार्थियों के लिए निर्देश परीक्षार्थी यथासंभव अपने शब्दों में ही उत्तर दें। दाहिनी ओर हाशिये…
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 9 Differential Equations Question 1. The order of the differential equation of all tangent lines to the parabola y = x2 is (a) 1 (b) 2…
Bihar Board 12th Physics Model Papers Bihar Board 12th Physics Model Question Paper 2 in Hindi परिक्षार्थियों के लिए निर्देश : परीक्षार्थी यथासंभव अपने शब्दों में उत्तर दें। दाहिनी ओर हाशिये पर दिये हुए अंक पूर्णांक निर्दिष्ट करते हैं। उत्तर…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 11 Dual Nature of Radiation and Matter Question 1. Who established that electric charge is quantised ? (a) J.J. Thomson (b) William Crookes (c) R.A…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 14 Biomolecules Question 1. The general formula of carbohydrates is (a) CnH2n+1O (b) CnH2nO (c) Cn(H2O)n (d) Cn(H2O)2n Answer: (c) Cn(H2O)n Question 2. Which of…
Bihar Board 12th Hindi Model Papers Bihar Board 12th Hindi 100 Marks Model Question Paper 2 समय 3 घंटे 15 मिनट पूर्णांक 100 परिक्षार्थियों के लिए निर्देश परीक्षार्थी यथा संभव अपने शब्दों में ही उत्तर दें। दाहिनी ओर हाशिये पर…
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 16 Environmental Issues Question 1. Which of the following is not a cause of natural pollution ? (a) Volcanic eruption (b) UV radiation (c) Forest…
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 15 Biodiversity and Conservation Question 1. The term biodiversity is popularised by (a) Odum (b) Paul Ehrlich (c) Edward Wilson (d) Tilman. Answer: (c) Edward…
Bihar Board 12th Physics Model Papers Bihar Board 12th Physics Model Question Paper 1 in Hindi परिक्षार्थियों के लिए निर्देश : परीक्षार्थी यथासंभव अपने शब्दों में उत्तर दें। दाहिनी ओर हाशिये पर दिये हुए अंक पूर्णांक निर्दिष्ट करते हैं। उत्तर…
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 11 Three Dimensional Geometry Question 1. Direction cosines of the line that makes equal angles with the three axes in space are Answer: (c) Question…
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 5 Continuity and Differentiability Question 1. Answer: (b) ln a + ln b Question 2. Answer: (c) 8 Question 3. The number of discontinuous functions…