Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 15 Communication Systems Question 1. Who invented world wide web? (a) J.C.R. Licklider (b) Tim Berners-Lee (c) Alexander Graham Bell (d) Samuel F.B. Morse Answer: (b) Tim Berners-Lee Question 2. Essential elements of a communication system are (a) transmitter and … Read more
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 health care. Answer: (d) reproductive and child health care. Question 2. Amminocentesis is a technique … Read more
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 own words as far as practicable. Figure in the right-hand margin indicates full marks. While … Read more
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 matrix Answer: (d) skew-symmetric matrix Question 3. If , then the values of x, y, … Read more
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 far as practicable. Figures in the right hand margin indicate full marks. 15 minutes of … Read more
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) 2°C (b) 4°C (c) 6°C (d) 8°C Answer: (a) 2°C Question 2. Which of the … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 2 Sexual Reproduction in Flowering Plants Question 1. Science of cultivation, breeding, marketing and arrangement of flowers is called (a) arboriculture (b) floriculture (c) horticulture (d) anthology Answer: (b) floriculture Question 2. Nonessential floral organs in a flower are (a) … Read more
Bihar Board 12th Physics Model Papers Bihar Board 12th Physics Model Question Paper 5 in English Medium Objective Type Questions There are 1 to 35 objective type questions with 4 options. Choose the correct option which is to be answered on OMR Sheet. (35 x 1 = 35) Question 1. The electric field intensity at … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 1 Reproduction in Organisms Question 1. Single-celled animals are said to be immortal because (a) they grow indefinitely in size (b) they can tolerate any degree of change in temperature (c) they can reproduce throughout their life span (d) they … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 1 The Solid State Question 1. Which among the following will show anisotropy ? (a) Glass (b) NaBr (c) Plastic (d) Rubber Answer: (b) NaBr Question 2. Which of the following forms a molecular solid when solidified ? (a) Calcium … Read more
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 2 Inverse Trigonometric Functions Question 1. Answer: (d) Question 2. Answer: (b) Question 3. Answer: (b) Question 4. Answer: (a) Question 5. Answer: (b) Question 6. Answer: (d) Question 7. Answer: (a) Question 8. Answer: (b) Question 9. If tan-1 … Read more