Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 7 The p-Block Elements Question 1. Nitrogen shows different oxidation states ranging from (a) -3 to +5 (b) -5 to + 5 (c) 0 to…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 10 Haloalkanes and Haloarenes Question 1. Which of the following is a primary halide ? (a) iso-Propyl iodide (b) sec-Butyl iodide (c) tert-Butyl bromide (d)…
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 4 Reproductive Health Question 1. RCH stands for (a) routine check-up of health (b) reproduction cum hygiene (c) reversible contraceptive hazards (d) reproductive and child…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 15 Polymers Question 1. Glycogen, a naturally occuring polymert stored in animals is a (a) monosaccharide (b) disaccharide (c) trisaccharide (d) polysaccharide Answer: (d) polysaccharide…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 9 Coordination Compounds Question 1. Copper sulphate dissolves in ammonia due to the formation of (a) Cu2O (b) [Cu(NH3)4]SO4 (c) [Cu(NH3)4]OH (d) [Cu(H2O)4]SO4 Answer: (b)…
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 11 Biotechnology: Principles and Processes Question 1. Who is the father of genetic engineering ? (a) Steward Linn (b) Stanley Cohen (c) Paul Berg (d)…
Bihar Board 12th Maths Model Papers Bihar Board 12th Maths Model Question Paper 4 in English Medium Time : 3 Hours 15 Min Full Marks: 100 Instructions for the candidates : Candidates are required to give their answers in their…
Bihar Board 12th Economics Model Papers Bihar Board 12th Economics Model Question Paper 4 in English Medium Time : 3 Hour. 15 Min Full Marks : 100 Instructions Candidates are required to give their answers in their own words as…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 5 Surface Chemistry Question 1. Which of the following is less than zero during adsorption ? (a) ΔG (b) ΔS (c) ΔH (d) All of…
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 2 Solutions Question 1. Homogeneous mixture of two or more than two components is called (a) solute (b) solvent (c) both (a) and (b) (d)…
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 3 Human Reproduction Question 1. Temperature of the scrotum which is necessary for the functioning of testis is always __________ around below body temperature. (a)…