The 10th half yearly question paper 2023 PDF includes comprehensive questions and answers for subjects like Mathematics, Science, Social Science, English, and more. This article provides a detailed collection of 20 questions and answers for each subject, helping students revise and prepare efficiently for their exams.
Mathematics
Question: What is the value of (5² – 3²)?
Answer: The value is 16.
Question: Solve the equation 3x + 5 = 11.
Answer: x = 2.
Question: What is the LCM of 12 and 15?
Answer: The LCM is 60.
Question: Define a rational number.
Answer: A rational number is a number that can be expressed as a fraction p/q where q ≠ 0.
Question: Find the perimeter of a rectangle with length 8 cm and breadth 5 cm.
Answer: The perimeter is 26 cm.
Question: Simplify 2(3x + 4) – 5x.
Answer: The simplified form is x + 8.
Question: What is the area of a triangle with a base of 10 cm and height of 6 cm?
Answer: The area is 30 cm².
Question: Solve for y: 2y – 7 = 9.
Answer: y = 8.
Question: Convert 0.75 into a fraction.
Answer: 0.75 as a fraction is 3/4.
Question: What is the square root of 64?
Answer: The square root is 8.
Question: Find the value of 3⁰.
Answer: The value is 1.
Question: Write the formula for the area of a circle.
Answer: The formula is πr².
Question: If x = 3, find the value of x² + 2x – 5.
Answer: The value is 10.
Question: What is the volume of a cube with side 4 cm?
Answer: The volume is 64 cm³.
Question: Find the HCF of 24 and 36.
Answer: The HCF is 12.
Question: Solve 5x – 2 = 13.
Answer: x = 3.
Question: Write the Pythagoras theorem.
Answer: In a right triangle, (hypotenuse)² = (base)² + (perpendicular)².
Question: Find the sum of the first 10 natural numbers.
Answer: The sum is 55.
Question: What is the formula for simple interest?
Answer: Simple Interest = (P × R × T) / 100.
Question: Simplify: (x² – 4)/(x – 2).
Answer: The simplified form is x + 2.
Science
Question: Define photosynthesis.
Answer: Photosynthesis is the process by which green plants make their food using sunlight, carbon dioxide, and water.
Question: What is the SI unit of force?
Answer: The SI unit of force is Newton (N).
Question: Name the three states of matter.
Answer: Solid, liquid, and gas.
Question: What is the formula for water?
Answer: The formula for water is H₂O.
Question: Define an element.
Answer: An element is a pure substance made up of only one type of atom.
Question: What is the function of the stomata?
Answer: Stomata help in gas exchange and transpiration in plants.
Question: State Newton’s first law of motion.
Answer: A body remains at rest or in uniform motion unless acted upon by an external force.
Question: Name the acid present in vinegar.
Answer: Acetic acid is present in vinegar.
Question: What is the speed of light in a vacuum?
Answer: The speed of light is 3 × 10⁸ m/s.
Question: Define an ecosystem.
Answer: An ecosystem is a community of living organisms interacting with their physical environment.
Question: What is the role of hemoglobin in blood?
Answer: Hemoglobin transports oxygen in the blood.
Question: Name the process of converting a solid directly into gas.
Answer: Sublimation.
Question: What is the boiling point of water?
Answer: 100°C or 212°F.
Question: Define friction.
Answer: Friction is the force that opposes the motion of an object.
Question: What is the chemical symbol for sodium?
Answer: The chemical symbol is Na.
Question: Explain the term “refraction.”
Answer: Refraction is the bending of light as it passes from one medium to another.
Question: Name the gas used in photosynthesis.
Answer: Carbon dioxide (CO₂).
Question: What is the main source of energy for Earth?
Answer: The Sun is the main source of energy.
Question: Define a vertebrate.
Answer: A vertebrate is an animal with a backbone.
Question: Name the scientist who discovered gravity.
Answer: Sir Isaac Newton discovered gravity.
English
Question: Write the plural form of “child.”
Answer: Children.
Question: Define a noun.
Answer: A noun is the name of a person, place, thing, or idea.
Question: Write the past tense of “run.”
Answer: Ran.
Question: What is a synonym for “happy”?
Answer: Joyful.
Question: Define a verb.
Answer: A verb is a word that denotes an action or a state of being.
Question: What is the antonym of “big”?
Answer: Small.
Question: Complete the sentence: She _____ (go) to school every day.
Answer: She goes to school every day.
Question: Write a sentence using the word “beautiful.”
Answer: The garden is filled with beautiful flowers.
Question: What is the adjective in the sentence “The tall boy ran fast”?
Answer: Tall.
Question: What is the synonym for “angry”?
Answer: Furious.
Question: Define a pronoun.
Answer: A pronoun is a word used in place of a noun.
Question: Write the opposite of “bright.”
Answer: Dark.
Question: Identify the adverb in the sentence: “She sings beautifully.”
Answer: Beautifully.
Question: What is the past tense of “write”?
Answer: Wrote.
Question: Define a preposition.
Answer: A preposition shows the relationship between a noun or pronoun and other words in a sentence.
Question: Write a sentence using “quickly.”
Answer: He finished his homework quickly.
Question: What is the plural of “tooth”?
Answer: Teeth.
Question: What is a homophone for “pair”?
Answer: Pare.
Question: Write the synonym of “fast.”
Answer: Rapid.
Question: Define an article in grammar.
Answer: Articles are words used to define a noun as specific or unspecific (a, an, the).
Social Science
Question: Name the longest river in the world.
Answer: The Nile.
Question: What is the capital of India?
Answer: New Delhi.
Question: Define democracy.
Answer: Democracy is a system of government where citizens exercise power by voting.
Question: Who is known as the Father of the Indian Constitution?
Answer: Dr. B.R. Ambedkar.
Question: What is the largest continent in the world?
Answer: Asia.
Question: Define a glacier.
Answer: A glacier is a large mass of ice that moves slowly over land.
Question: What is the main occupation in rural India?
Answer: Agriculture.
Question: Who discovered America?
Answer: Christopher Columbus.
Question: What is the currency of Japan?
Answer: Yen.
Question: Name the first President of India.
Answer: Dr. Rajendra Prasad.
Question: What is the national animal of India?
Answer: The Bengal Tiger.
Question: Define globalization.
Answer: Globalization is the integration of markets, cultures, and societies worldwide.
Question: What is the Tropic of Cancer?
Answer: It is a latitude line situated at 23.5° north of the equator.
Question: Name the inventor of the telephone.
Answer: Alexander Graham Bell.
Question: Define the term “urbanization.”
Answer: Urbanization is the increase in population in cities and towns.
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