CBSE 12th Result 2019, Class 12 Result 2019 March 15, 2019: According to the media reports, the CBSE 12th Results 2019 will be declared, in the month of May 2019. Most years, the CBSE Result 2019 Class 12 is announced towards the end of May. Last year that is in 2019 the CBSE results for…
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NCERT Solutions for Class 12 Micro Economics Chapter-1 Introduction to Economics NCERT TEXTBOOK QUESTIONS SOLVED Question 1. Discuss the central problems of an economy. [4-6 Marks] Answer: The three central problems of an economy are: What to produce? [CBSE 2004C, 05, 06, 08, 08C, 09, 10; AI 2006, 10] (a) What to produce refers to…
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NCERT Solutions for Class 12 Micro Economics Chapter 1 Introduction to Economics Chapter 2 Consumer Equilibrium Chapter 3 Demand Chapter 4 Elasticity of Demand Chapter 5 Production Chapter 6 Cost Chapter 7 Supply Chapter 8 Revenue Chapter 9 Producer Equilibrium Chapter 10 Perfect Competition Chapter 11 Non-Competitive Market Chapter 12 Market Equilibrium with Simple Applications…
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NCERT Exemplar Problems Class 12 Biology Chapter 1 Reproduction in Organisms Chapter 2 Sexual Reproduction in Flowering Plants Chapter 3 Human Reproduction Chapter 4 Reproductive Health Chapter 5 Principles of Inheritance and Variation Chapter 6 Molecular Basis of Inheritance Chapter 7 Evolution Chapter 8 Human Health and Diseases Chapter 9 Strategies for Enhancement in…
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NCERT Exemplar Class 12 Biology Chapter 16 Environmental Issues Multiple Choice Questions Single Correct Answer Type 1. Non-biodegradable pollutants are created by (a) Nature (b) Excessive use of resources (c) Humans (d) Natural disasters Answer. (c) Non-biodegradable pollutants are created by humans. 2. According to the Central Pollution Control Board, particles that are responsible for…
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NCERT Exemplar Solutions for Class 12 Biology Chapter 15 Biodiversity and Conservation MULTIPLE-CHOICE QUESTIONS 1. Which of the following countries has the highest biodiversity? a. South America b. South Africa c. Russia d. India Solution: Option (a) is the answer. 2. Which of the following is not a cause for the loss of biodiversity? a.…
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NCERT Exemplar Class 12 Biology Chapter 14 Ecosystem Multiple Choice Questions Single Correct Answer Type 1. Decomposers like fungi and bacteria are i. Autotrophs ii. Heterotrophs iii. Saprotrophs iv. Chemo-autptrophs Choose the correct answer: (a) i and iii (b) i and iv (c) ii and iii (d) i and ii Answer. (c) Decomposers like fungi…
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NCERT Exemplar Class 12 Biology Chapter 13 Organisms and Populations Multiple Choice Questions Single Correct Answer Type 1. Autecology is the (a) Relation of a population to its environment (b) Relation of an individual to its environment (c) Relation of a community to its environment (d) Relation of a biome to its environment Answer. (b)…
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NCERT Exemplar Class 12 Biology Chapter 12 Biotechnology and its Applications Multiple Choice Questions Single Correct Answer Type 1. Bt cotton is not (a) A GM plant (b) Insect resistant (c) A bacterial gene expressing system (d) Resistant to all pesticides Answer. (d) Bt cotton is a GM plant, insect resistant and a bacterial gene…
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NCER Exemplar Class 12 Biology Chapter 11 Biotechnology: Principles and Processes Multiple Choice Questions Single Correct Answer Type 1. Rising of dough is due to (a) Multiplication of yeast (b) Production of CO2 (c) Emulsification (d) Hydrolysis of wheat flour starch into sugars. Answer. (b) Dough, which is used for making dosa and idli is…
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