10th SA1 Question Paper

10th SA1 question papers play a vital role in exam preparation. This guide provides comprehensive questions and answers for all major subjects, helping students excel.

10th SA1 Question Paper – Questions and Answers

Mathematics

Question: What is the formula for the area of a triangle?
Answer: The formula for the area of a triangle is 12×base×height\frac{1}{2} \times base \times height21​×base×height.

Question: Solve for x: $5x+3=18$.
Answer: $x=3$.

Question: What is the value of (a+b)2(a+b)^2(a+b)2?
Answer: a2+2ab+b2a^2 + 2ab + b^2a2+2ab+b2.

Question: What is the square root of 121?
Answer: 11.

Question: Define a linear equation.
Answer: A linear equation is an equation of the first degree, having one or more variables.

Question: Solve: $2x-4=10$.
Answer: $x=7$.

Question: What is the formula for the circumference of a circle?
Answer: $2\pi r$, where $r$ is the radius.

Question: Find the value of 72−57^2 – 572−5.
Answer: 44.

Question: Write the general form of a quadratic equation.
Answer: ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0.

Question: Simplify: $(3x+2)-(x-5)$.
Answer: $2x+7$.

Question: Find the value of 49\sqrt{49}49​.
Answer: 7.

Question: What is the sum of the angles in a triangle?
Answer: 180 degrees.

Question: If the radius of a circle is 7 cm, find its area.
Answer: 154 cm2154 \, cm^2154cm2 (using $\pi =22/7$).

Question: Simplify: $5x+3x-4$.
Answer: $8x-4$.

Question: Find the LCM of 12 and 15.
Answer: 60.

Question: Solve: $3x+7=16$.
Answer: $x=3$.

Question: Write the formula for the volume of a cylinder.
Answer: πr2h\pi r^2 hπr2h, where $r$ is the radius and $h$ is the height.

Question: Convert $0.25$ to a fraction.
Answer: 14\frac{1}{4}41​.

Question: Define a rational number.
Answer: A number that can be expressed as pq\frac{p}{q}qp​, where $p$ and $q$ are integers, and q≠0q \neq 0q=0.

Science

Question: What is photosynthesis?
Answer: Photosynthesis is the process by which green plants make their food using sunlight, carbon dioxide, and water.

Question: Define Newton’s First Law of Motion.
Answer: An object remains at rest or in uniform motion unless acted upon by an external force.

Question: What is the chemical formula for water?
Answer: H2OH_2OH2​O.

Question: Name the process by which water changes to vapor.
Answer: Evaporation.

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

Question: What is the pH of neutral substances?
Answer: 7.

Question: Name the organelle responsible for energy production in cells.
Answer: Mitochondria.

Question: What is the SI unit of force?
Answer: Newton (N).

Question: Write the chemical formula for carbon dioxide.
Answer: CO2CO_2CO2​.

Question: What is the main gas in Earth’s atmosphere?
Answer: Nitrogen.

Question: Define combustion.
Answer: Combustion is the process of burning a substance in the presence of oxygen to produce heat and light.

Question: What is the function of the heart in the human body?
Answer: The heart pumps blood throughout the body, supplying oxygen and nutrients.

Question: What is the atomic number of oxygen?
Answer: 8.

Question: Name the hardest natural substance.
Answer: Diamond.

Question: What is the boiling point of water?
Answer: 100°C or 212°F.

Question: Define gravitational force.
Answer: Gravitational force is the force of attraction between two masses.

Question: Name the three states of matter.
Answer: Solid, liquid, and gas.

Question: What is the role of chlorophyll in plants?
Answer: Chlorophyll absorbs sunlight for photosynthesis.

Question: What is the function of the kidneys?
Answer: Kidneys filter waste from the blood and produce urine.

Social Science

Question: What is democracy?
Answer: Democracy is a form of government where power is vested in the people, either directly or through elected representatives.

Question: Name the longest river in the world.
Answer: The Nile River.

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

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 branches of government.
Answer: Legislative, Executive, and Judiciary.

Question: Define sustainable development.
Answer: Sustainable development meets present needs without compromising future generations’ ability to meet theirs.

Question: When did India gain independence?
Answer: 15th August 1947.

Question: Name the seven continents.
Answer: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Question: Define the term ‘monarchy.’
Answer: Monarchy is a system of government where a king or queen rules.

Question: What is the equator?
Answer: The equator is an imaginary line dividing the Earth into the Northern and Southern Hemispheres.

Question: What is the main cause of deforestation?
Answer: The main causes include agriculture, logging, and urbanization.

Question: What is the United Nations?
Answer: The United Nations is an international organization founded in 1945 to promote peace and cooperation among nations.

Question: What is the primary source of income for the government?
Answer: Taxes.

Question: What are natural resources?
Answer: Natural resources are materials provided by nature, such as water, minerals, and forests.

Question: Name the smallest continent.
Answer: Australia.

Question: What is the importance of the Himalayas?
Answer: The Himalayas act as a natural barrier and regulate climate in the Indian subcontinent.

Question: What is a constitution?
Answer: A constitution is a set of fundamental principles or laws governing a country.

Question: Name the father of the Indian Constitution.
Answer: Dr. B.R. Ambedkar.

English

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

Question: Define a verb.
Answer: A verb is a word that shows action or a state of being.

Question: What is the past tense of “run”?
Answer: Ran.

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

Question: What is a pronoun?
Answer: A pronoun is a word that takes the place of a noun.

Question: Write a synonym for “happy.”
Answer: Joyful.

Question: Define an adverb.
Answer: An adverb modifies a verb, an adjective, or another adverb.

Question: What is the opposite of “big”?
Answer: Small.

Question: Define a preposition.
Answer: A preposition shows the relationship of a noun or pronoun to another word.

Question: What is a conjunction?
Answer: A conjunction connects words, phrases, or clauses.

Question: Write a sentence in the present perfect tense.
Answer: I have finished my homework.

Question: What is a synonym for “beautiful”?
Answer: Gorgeous.

Question: What is a homophone?
Answer: Words that sound the same but have different meanings and spellings, like “pair” and “pear.”

Question: Define a compound sentence.
Answer: A compound sentence has two independent clauses joined by a conjunction.

Question: What is the plural of “child”?
Answer: Children.

Question: Define a simile.
Answer: A simile is a figure of speech that compares two things using “like” or “as.”

Question: What is a metaphor?
Answer: A metaphor is a figure of speech that describes one thing as another.

Question: Define an interjection.
Answer: An interjection is a word or phrase that expresses emotion, such as “Wow!”

Question: Write an example of a declarative sentence.
Answer: The sky is blue.

10th SA1 questions are vital for mastering subject knowledge. These questions and answers cover key topics in Mathematics, Science, Social Science, and English to support effective preparation.