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.…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 7 Alternating Current Question 1. Alternating voltage (V) is represented by the equation (a) V(t)=Vmewt (b) V(t) = Vm sinωt (c) V(t) = Vm cosωt…
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.…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 8 The d-and f-Block Elements Question 1. General electronic configuration of transition metals is (a) (n – 1)d 1–10 ns2 (b) nd10 ns2 (c) (n-1)d10…
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…
Bihar Board Class 12th Hindi Book Solutions Bihar Board Class 12th Hindi Book Solutions गद्य Chapter 2 उसने कहा था उसने कहा था वस्तुनिष्ठ प्रश्न निम्नलिखित प्रश्नों के बहुवैकल्पिक उत्तरों में से सही उत्तर बताएँ प्रश्न 1. चन्द्रधर शर्मा ‘गुलेरी’…
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…
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)…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 6 Electromagnetic Induction Question 1. In the figure, galvanometer G gives maximum deflection when (a) magnet is pushed into the coil (b) magnet is rotated…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 9 Ray Optics and Optical Instruments Question 1. What can be the largest distance of an image of a real object from a convex mirror…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 5 Magnetism and Matter Question 1. The primary origin of magnetism lies in (a) atomic current and intrinsic spin of electrons. (b) polar and non…