UP Board Solutions Class 8 - Learn and Prepare for Exams

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Class 8 is an important year for students, and the UP Board curriculum requires a solid understanding of various subjects. To help students navigate through this academic year, we’ve gathered solutions for all the subjects that will guide you in preparing for your exams. This article covers important questions and answers for subjects like Mathematics, Science, Social Studies, Hindi, and English. Each subject has a set of questions that are commonly asked, along with their answers, helping students prepare effectively.

Subject	Topics Covered	Common Exam Pattern
Mathematics	Algebra, Geometry, Mensuration, Data	MCQs, Short Answer, Long Answer
Science	Physics, Chemistry, Biology, Environment	MCQs, Short Answer, Long Answer
Social Studies	History, Geography, Civics	MCQs, Short Answer, Long Answer
Hindi	Grammar, Literature, Comprehension	MCQs, Short Answer, Essay Writing
English	Grammar, Literature, Comprehension	MCQs, Short Answer, Essay Writing

Mathematics

Question: What is the formula for the area of a rectangle?
Answer: The area of a rectangle is given by the formula:
Area = length × width.

Question: What are the properties of a triangle?
Answer: A triangle has three sides, three angles, and the sum of the angles in a triangle is always 180 degrees.

Question: Define Pythagoras theorem.
Answer: The Pythagorean theorem states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
a² + b² = c².

Question: What is the difference between simple and compound interest?
Answer: Simple interest is calculated on the principal amount, while compound interest is calculated on both the principal and the accumulated interest.

Question: How do you convert fractions into decimals?
Answer: To convert a fraction into a decimal, divide the numerator by the denominator.

Question: What is a prime number?
Answer: A prime number is a number greater than 1 that can only be divided by 1 and itself.

Question: What is the perimeter of a square?
Answer: The perimeter of a square is calculated by the formula:
Perimeter = 4 × side.

Question: What is the volume of a cube?
Answer: The volume of a cube is calculated by the formula:
Volume = side³.

Question: Explain the term 'ratio'.
Answer: A ratio is a relationship between two numbers showing how many times the first number contains the second.

Question: What are complementary angles?
Answer: Complementary angles are two angles whose sum is 90 degrees.

Science

Question: What is the difference between plant and animal cells?
Answer: Plant cells have a cell wall and chloroplasts, whereas animal cells do not.

Question: Define the term 'photosynthesis'.
Answer: Photosynthesis is the process by which plants make their food using sunlight, water, and carbon dioxide.

Question: What are the three states of matter?
Answer: The three states of matter are solid, liquid, and gas.

Question: What is an acid?
Answer: An acid is a substance that donates hydrogen ions (H+) when dissolved in water.

Question: What is the Law of Motion?
Answer: Newton's laws of motion describe the relationship between the motion of an object and the forces acting on it.

Question: What is the importance of the atmosphere?
Answer: The atmosphere protects life on Earth by blocking harmful solar radiation and regulating temperature.

Question: What is the difference between renewable and non-renewable resources?
Answer: Renewable resources can be replenished naturally, while non-renewable resources are finite and cannot be replaced once depleted.

Question: What are the types of microorganisms?
Answer: The main types of microorganisms are bacteria, viruses, fungi, and protozoa.

Question: Explain the process of digestion.
Answer: Digestion is the breakdown of food into smaller, absorbable nutrients in the stomach and intestines.

Question: What is an ecosystem?
Answer: An ecosystem is a community of living organisms interacting with their environment.

Social Studies

Question: What is the significance of the Indian Independence Movement?
Answer: The Indian Independence Movement was crucial in gaining freedom from British colonial rule through non-violent resistance and political movements.

Question: What is the capital of India?
Answer: The capital of India is New Delhi.

Question: Explain the term 'democracy'.
Answer: Democracy is a system of government where citizens exercise power by voting.

Question: What are the main types of industries in India?
Answer: The main types of industries in India are agriculture, manufacturing, and service industries.

Question: What is the role of the Constitution of India?
Answer: The Constitution of India provides the framework for the country's legal and political systems and guarantees fundamental rights.

Question: Who was the first President of India?
Answer: Dr. Rajendra Prasad was the first President of India.

Question: Define 'globalization'.
Answer: Globalization refers to the process of increased interconnectedness and interdependence among countries.

Question: What is the significance of the Green Revolution in India?
Answer: The Green Revolution in India boosted agricultural production and made the country self-sufficient in food production.

Question: What is the meaning of secularism?
Answer: Secularism is the principle of separating religion from government affairs.

Question: What is the importance of the National River, the Ganga?
Answer: The Ganga is considered sacred in Hinduism and plays a crucial role in India's culture, economy, and environment.

Hindi

Question: 'समय' शब्द का संज्ञा रूप क्या है?
Answer: समय शब्द का संज्ञा रूप 'समय' ही है।

Question: हिंदी व्याकरण में 'सर्वनाम' क्या है?
Answer: सर्वनाम वह शब्द होते हैं जो संज्ञा के स्थान पर आते हैं।

Question: 'माँ' शब्द का बहुवचन रूप क्या है?
Answer: 'माँ' का बहुवचन रूप 'माएँ' है।

Question: 'पानी' शब्द का वचन रूप क्या है?
Answer: 'पानी' शब्द का वचन रूप 'पानी' ही होता है, क्योंकि यह एक अमूर्त वस्तु है।

Question: हिंदी साहित्य में 'रामायण' के लेखक कौन हैं?
Answer: हिंदी साहित्य में 'रामायण' के लेखक महर्षि वाल्मीकि हैं।

Question: 'सरस्वती' शब्द का सर्वनाम रूप क्या है?
Answer: 'सरस्वती' शब्द का सर्वनाम रूप 'उसे' या 'उसको' हो सकता है।

Question: 'समझाना' शब्द का समय रूप क्या है?
Answer: 'समझाना' शब्द का समय रूप 'समझा रहा है', 'समझाएगा' आदि हो सकता है।

Question: 'विश्वविद्यालय' शब्द का प्रत्यय क्या है?
Answer: 'विश्वविद्यालय' शब्द में प्रत्यय '-विद्यालय' है।

Question: हिंदी में 'पत्र' शब्द का अर्थ क्या है?
Answer: 'पत्र' शब्द का अर्थ होता है 'लिखित संदेश'।

Question: 'प्रकृति' शब्द का वचन रूप क्या है?
Answer: 'प्रकृति' शब्द का बहुवचन रूप 'प्रकृतियाँ' है।

English

Question: What is the subject of a sentence?
Answer: The subject of a sentence is the person, place, thing, or idea that the sentence is about.

Question: What is a noun?
Answer: A noun is a word that represents a person, place, thing, or idea.

Question: What is a verb?
Answer: A verb is a word that expresses an action or state of being.

Question: Define an adjective.
Answer: An adjective is a word that describes or modifies a noun.

Question: What is the meaning of 'simile'?
Answer: A simile is a figure of speech that compares two things using the words 'like' or 'as'.

Question: What is a preposition?
Answer: A preposition is a word that shows the relationship between a noun or pronoun and other words in a sentence.

Question: What is the difference between 'there', 'their', and 'they're'?
Answer: 'There' refers to a place, 'their' shows possession, and 'they're' is a contraction of 'they are'.

Question: What is an article in English grammar?
Answer: An article is a word used to modify a noun, such as 'a', 'an', or 'the'.

Question: What are conjunctions?
Answer: Conjunctions are words that connect clauses or sentences, such as 'and', 'but', 'or'.

Question: What is the function of a pronoun?
Answer: A pronoun is used in place of a noun to avoid repetition.