NIOS

Chapter 1 Origin of Earth and Evolution of the Environment

NIOS Class 12 Environmental Science Chapter 1 INTEXT QUESTIONS 1.1 1. Approximately how old is the Earth? Ans: 4.5 billion…

7 months ago

Chapter 28 Carbon and Its Compounds Textbook Solutions

NIOS Class 10 Science Chapter 28 Question Answers INTEXT QUESTIONS 28.1 1. What is the valency of carbon? Ans: 4…

7 months ago

NIOS Class 12 Biology April 2019 Set C (58/OSS/1)

NIOS Biology Solved Paper April 2019 Set C 1 MARK QUESTIONS 1. One of the macronutrients given below plays a…

7 months ago

Chapter 27 Metals and Non-metals Textbook Solutions

NIOS Class 10 Science Chapter 27 Question Answers INTEXT QUESTIONS 27.1 1. Which properties of gold allow it to make…

7 months ago

NIOS Class 12 Biology Oct 2019 Set C (59/OSS/2)

NIOS Biology Question Paper 2019 Oct Set C 1 MARK QUESTIONS 1. Which of the following organs stores sperms in…

7 months ago

Chapter 8 Acids, Bases, and Salts Textbook Solutions

NIOS Class 10 Science Chapter 8 Question Answers INTEXT QUESTION 8.1 1. Put the following substances in acid or base…

8 months ago

NIOS Class 12 Biology Oct 2021 Set C (62/OSS/2)

NIOS Biology Solved Paper Oct 2021 Set C 1 MARK QUESTIONS 1. Bt. crops are: (A) Transgenic crops (B) Hybrid…

8 months ago

Chapter 7 Chemical Bonding Textbook Solutions

NIOS Class 10 Science Chapter 7 Question Answers INTEXT QUESTIONS 7.1 1. State the octet rule. Ans: Every atom tends…

8 months ago

NIOS Class 12 Biology Feb 2021 Set C (60/OSS/1)

NIOS Biology Solved Paper Feb 2021 Set C 1 MARK QUESTIONS 1. Apomixis is:  A) Development of plants in darkness.…

8 months ago

Chapter 6 Periodic Classification of Elements Textbook Solutions

NIOS Class 10 Science Chapter 6 Question Answers INTEXT QUESTIONS 6.1 1. Elements A, B and C constitute a Dobereiner’s…

8 months ago

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