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 Millikan (d) Wilhelm Rontgen Answer: (c) R.A Millikan Question 2. Cathode rays were discovered by … Read more
Bihar Board Class 12th Hindi Book Solutions Bihar Board Class 12th Hindi Book Solutions पद्य Chapter 2 सूरदास के पद सूरदास के पद वस्तुनिष्ठ प्रश्न निम्नलिखित प्रश्नों के बहुवैकल्पिक उत्तरों में से सही उत्तर बताएँ प्रश्न 1. सूरदास का जन्म कब हुआ था? (क) 1478 ई. में (ख) 1470 ई. में (ग) 1475 ई. में … Read more
Bihar Board 12th English Model Papers Bihar Board 12th English 50 Marks Model Question Paper 2 Time: 01 Hours 37.5 Minutes Full Marks : 50 Instructions Candidates are required to give their answers in their own words as far as parcticable. Figures in the right hand margin indicate full marks. While answering the candidate should … Read more
Bihar Board Class 12th Hindi Book Solutions Bihar Board Class 12th Hindi Book Solutions पद्य Chapter 1 कड़बक कड़बक वस्तुनिष्ठ प्रश्न निम्नलिखित प्रश्नों के बहुवैकल्पिक उत्तरों में से सही उत्तर बताएँ प्रश्न 1. जायसी के पिता का नाम था। (क) शेख ममरेज (ख) शेख परवेज (ग) शेख मुहम्मद (घ) इकबाल उत्तर- (क) प्रश्न 2. मल्लिक … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 11 Alcohols, Phenols and Ethers Question 1. IUPAC name of (a) 3-propylbutan-l-ol (b) 2-ethylpentan-l-ol (c) 3-methyl hydroxyhexane (d) 2-ethyl-2-propyl ethanol Answer: (a) 3-propylbutan-l-ol Question 2. A compound C6H4O2 has two tertiary alcoholic groups. The IUPAC name of this compound is … Read more
Bihar Board 12th English Model Papers Bihar Board 12th English 100 Marks Model Question Paper 2 Time 3 Hrs, 15 Minutes Full Marks: 100 Instructions Candidates are required to give their answers in their own words as for as practicable. Figures in the right hand margin indicate full marks. While answering the candidate should adhere … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 13 Organisms and Populations Question 1. Refer to the given flow chart. Identify X and select the correct option. (a) Communities (b) Biospheres (c) Biomes (d) Species Answer: (a) Communities Question 2. Basic unit of ecological hierarchy is (a) population … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 12 Biotechnology and its Applications Question 1. All are the biotechnological applications in order to increase food production except (a) apiculture (b) agro-chemical based agriculture (c) organic farming (d) genetically engineered crop-based agriculture. Answer: (a) apiculture Question 2. Agro-chemical based … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 10 Wave Optics Question 1. The idea of secondary wavelets for the propagation of a wave was first given by (a) Newton (b) Huygens (c) Maxwell (d) Fresnel Answer: (b) Huygens Question 2. Wavefront is the locus of all points, … Read more
Bihar Board Class 12th Hindi Book Solutions Bihar Board Class 12th Hindi Book Solutions गद्य Chapter 13 शिक्षा शिक्षा वस्तुनिष्ठ प्रश्न निम्नलिखित प्रश्नों के बहुवैकल्पिक उत्तरों में से सही उत्तर बताएँ प्रश्न 1. जे. कृष्णमूर्ति का जन्म कब हुआ था? (क) 12 मई, 1895 ई. (ख) 10 मई, 1890 ई. (ग) 7 मई, 1870 ई. … Read more
Bihar Board Class 12th Hindi Book Solutions Bihar Board Class 12th Hindi Book Solutions गद्य Chapter 12 तिरिछ तिरिछ वस्तुनिष्ठ प्रश्न निम्नलिखित प्रश्नों के बहुवैकल्पिक उत्तरों में से सही उत्तर बताएँ प्रश्न 1. उदय प्रकाश का जन्म हुआ था। (क) 1 जनवरी, 1952 ई. (ख) 5 जनवरी, 1950 ई. (ग) 2 मार्च, 1940 ई. (घ) … Read more