8th Question Paper 2019: All Subjects Questions & Answers

Students often seek proper guidance while preparing for exams. Accessing past question papers is one of the best methods to understand the exam pattern and practice effectively. Here, we provide a comprehensive collection of subject-wise questions and answers for the 8th-grade 2019 exam, covering all essential topics in detail.

Mathematics

Question: What is the value of (52+42)−(3×2)(5^2 + 4^2) – (3 \times 2)(52+42)−(3×2)?

Answer: The value is $41$.

Question: Simplify $3(x+5)-2(x-4)$.

Answer: $x+23$.

Question: Solve for $x$: $2x+3=7$.

Answer: $x=2$.

Question: Find the area of a rectangle with a length of 8 cm and a width of 3 cm.

Answer: Area = 24 sq. cm.

Question: What is the HCF of 24 and 36?

Answer: The HCF is 12.

Question: Express 0.75 as a fraction in its simplest form.

Answer: 34\frac{3}{4}43​.

Question: A train travels 300 km in 5 hours. What is its average speed?

Answer: 60 km/h.

Question: What is the value of 144\sqrt{144}144​?

Answer: The value is 12.

Question: Solve $5x-2=3x+6$.

Answer: $x=4$.

Question: Write 0.00045 in scientific notation.

Answer: 4.5×10−44.5 \times 10^{-4}4.5×10−4.

Question: Find the perimeter of a square with a side length of 7 cm.

Answer: Perimeter = 28 cm.

Question: Calculate the compound interest on $5000$ for 2 years at 5% per annum.

Answer: $512.50$.

Question: Simplify $12a-5b+3a+2b$.

Answer: $15a-3b$.

Question: Convert 25% into a decimal.

Answer: 0.25.

Question: Solve 34+12\frac{3}{4} + \frac{1}{2}43​+21​.

Answer: 54\frac{5}{4}45​ or 1.25.

Question: A car travels 80 km in 2 hours. What is the distance it will cover in 5 hours at the same speed?

Answer: 200 km.

Question: Express 23×322^3 \times 3^223×32 in standard form.

Answer: 72.

Question: If $x=4$, find the value of 2×2−3x+12x^2 – 3x + 12x2−3x+1.

Answer: 25.

Question: Calculate the area of a circle with a radius of 7 cm. (Use $\pi =3.14$)

Answer: Area = 153.86 sq. cm.

Science

Question: What is the process by which plants make their food?

Answer: Photosynthesis.

Question: Name the gas responsible for global warming.

Answer: Carbon dioxide.

Question: What is the basic unit of life?

Answer: The cell.

Question: Which organ purifies blood in the human body?

Answer: The kidneys.

Question: Define evaporation.

Answer: It is the process where liquid turns into vapor.

Question: What is the chemical formula of water?

Answer: H2OH_2OH2​O.

Question: Name the planet known as the “Red Planet.”

Answer: Mars.

Question: What is the primary source of energy for Earth?

Answer: The Sun.

Question: Which acid is found in lemons?

Answer: Citric acid.

Question: Name the hardest natural substance on Earth.

Answer: Diamond.

Question: What is the function of chlorophyll in plants?

Answer: It helps in photosynthesis by capturing sunlight.

Question: What is the SI unit of force?

Answer: Newton (N).

Question: Define gravity.

Answer: Gravity is the force that attracts objects towards the Earth.

Question: What is the role of hemoglobin in blood?

Answer: It carries oxygen.

Question: Name the process by which water changes into ice.

Answer: Freezing.

Question: What is the boiling point of water in Celsius?

Answer: 100°C.

Question: Which organ in the human body is responsible for pumping blood?

Answer: The heart.

Question: What is a habitat?

Answer: A habitat is the natural environment of an organism.

Question: Name the largest planet in our solar system.

Answer: Jupiter.

Social Studies

Question: Who is known as the “Father of the Nation” in India?

Answer: Mahatma Gandhi.

Question: What is democracy?

Answer: A form of government where people elect their leaders.

Question: When did India gain independence?

Answer: 15th August 1947.

Question: Name the longest river in the world.

Answer: The Nile.

Question: Who was the first President of India?

Answer: Dr. Rajendra Prasad.

Question: What is the capital of France?

Answer: Paris.

Question: Name the three levels of government in India.

Answer: Central, State, and Local.

Question: What is the equator?

Answer: An imaginary line that divides the Earth into two halves.

Question: Define latitude.

Answer: Lines that run parallel to the equator.

Question: Who wrote the Indian national anthem?

Answer: Rabindranath Tagore.

Question: What is the primary occupation of people in villages?

Answer: Agriculture.

Question: Name the holy book of Muslims.

Answer: The Quran.

Question: What is the currency of the USA?

Answer: The US Dollar.

Question: What is the name of India’s national flower?

Answer: The Lotus.

Question: What is the primary cause of air pollution?

Answer: Emission from vehicles and industries.

Question: Define monarchy.

Answer: A form of government ruled by a king or queen.

Question: Who discovered America?

Answer: Christopher Columbus.

Question: Name the mountain range that separates Europe and Asia.

Answer: The Ural Mountains.

Question: What is the importance of the Constitution?

Answer: It lays down the rules for governing a country.

English

Question: What is the antonym of “happy”?

Answer: Sad.

Question: Convert the sentence into passive voice: “She is reading a book.”

Answer: A book is being read by her.

Question: What is a noun?

Answer: A word that names a person, place, thing, or idea.

Question: Write the plural of “child.”

Answer: Children.

Question: What is the synonym of “big”?

Answer: Large.

Question: Complete the sentence: “The sun rises in the __.”

Answer: East.

Question: What is the meaning of the idiom “break the ice”?

Answer: To initiate a conversation in a social setting.

Question: Define an adjective.

Answer: A word that describes a noun.

Question: What is the past tense of “go”?

Answer: Went.

Question: Rewrite the sentence: “He can run very fast” into a question.

Answer: Can he run very fast?

Question: What is the opposite of “dark”?

Answer: Light.

Question: Use the word “beautiful” in a sentence.

Answer: The garden looks beautiful in spring.

Question: What is the collective noun for “keys”?

Answer: A bunch of keys.

Question: What is a verb?

Answer: A word that expresses an action, state, or occurrence.

Question: Give an example of a preposition.

Answer: On.

Question: What is the superlative form of “good”?

Answer: Best.

Question: Convert into indirect speech: “She said, ‘I am hungry.'”

Answer: She said that she was hungry.

Question: What is a conjunction?

Answer: A word that connects clauses or sentences.

Question: What is the meaning of the idiom “a piece of cake”?

Answer: Something very easy to do.

Question: Write a sentence using “because.”

Answer: I stayed at home because it was raining.

Exam preparation is a crucial step in every student’s journey. Practicing question papers enhances confidence and improves understanding of various topics. These carefully curated questions and answers for all subjects provide an effective way to revise and grasp concepts. With consistent effort, success is just a step away!