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 Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 3 Matrices Question 1. Answer: (b) Question 2. The matrix A = is a (a) unit matrix (c) symmetric matrix (b) diagonal matrix (d) skew-symmetric…
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)…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 13 Nuclei Question 1. The natural boron of atomic weight 10.81 is found to have two isotopes 10B and nB. The ratio of abundance of…
Bihar Board 12th Maths Model Papers Bihar Board 12th Maths Model Question Paper 1 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 Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 4 Determinants Question 1. Evaluate the determinant (a) (b) 12 (c) (d) 6 Answer: (a) Direction (2 – 3): Evaluate the following determinants. Question 2.…
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 4 Moving Charges and Magnetism Question 1. A strong magnetic Held is applied on a stationary electron. Then the electron. (a) moves in the direction…