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 polar nature of molecules. (e) pauli exclusion principle. (d) electronegative nature of materials. Answer: (a) … Read more
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 -5 (d) -3 to +3 Answer: (a) -3 to +5 Question 2. The oxidation state … Read more
Bihar Board Class 12th Intermediate Sociology Objective Questions and Answers Key 2019, 2020, 2021 Pdf free download in Hindi Medium and English Medium. Bihar Board 12th Objective Questions and Answers Bihar Board 12th Intermediate Sociology Objective Questions and Answers Key 2020-2021 Pdf Download Bihar Board 12th Sociology Objective Questions and Answers in Hindi Bihar Board … Read more
Bihar Board Class 12th Intermediate Psychology Objective Questions and Answers Key 2019, 2020, 2021 Pdf free download in Hindi Medium and English Medium. Bihar Board 12th Objective Questions and Answers Bihar Board 12th Intermediate Psychology Objective Questions and Answers Key 2020-2021 Pdf Download Bihar Board 12th Psychology Objective Questions and Answers in Hindi Chapter 1 … Read more
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 5 Continuity and Differentiability Question 1. Answer: (b) ln a + ln b Question 2. Answer: (c) 8 Question 3. The number of discontinuous functions y(x) on [-2, 2] satisfying x2 + y2 = 4 is (a) 0 (b) 1 … Read more
Bihar Board 12th Hindi Model Papers Bihar Board 12th Hindi 100 Marks Model Question Paper 1 समय 3 घंटे 15 मिनट पूर्णांक 100 परिक्षार्थियों के लिए निर्देश परीक्षार्थी यथा संभव अपने शब्दों में ही उत्तर दें। दाहिनी ओर हाशिये पर दिये हुए अंक पूर्णांक निर्दिष्ट करते हैं। इस प्रश्न पत्र को पढ़ने के लिए 15 … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 12 Atoms Question 1. In Geiger-Marsden scattering experiment, the trajectory traced by an a-particle depends on (a) number of collision (b) number of scattered a-particles (c) impact parameter (d) none of these Answer: (c) impact parameter Question 2. In the … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 6 General Principles and Processes of Isolation of Elements Question 1. Which of the following example is not correctly matched ? (a) Two most abudant elements-Fe, Al (b) Two metals which occur in native state-Au, Pt (c) Two metals which … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 10 Microbes in Human Welfare Question 1. Microbes are present in (a) soil (b) thermal vents (c) polluted water (d) all of these Answer: (d) all of these Question 2. Which of the following microbes is a proteinacious infectious agent … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 9 Strategies for Enhancement in Food Production Question 1. Which of the following is the “bird flu virus” ? (a) H5N1 (b) Haemophilus influenzae (c) HIV (d) Rhino virus Answer: (a) H5N1 Question 2. The infectious and contagious bacterial disease … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 8 Human Health and Disease Question 1. Which of the following facrtors affect human health ? (i) Infections (ii) Silent mutation (iii) Life style (iv) Genetic disorders (a) (i), (ii)and(iv) (b) (i) and (ii) (c) (i), (iii) and (iv) (d) … Read more