9 Standard Question Paper 2019 Study

The 9th standard question paper for 2019 offers comprehensive practice for students, covering all subjects. It includes various question types such as multiple choice, short answers, and essays to test knowledge effectively. This guide provides 20 questions and answers per subject, making it easier for students to prepare for exams thoroughly.

Mathematics

Question: What is the formula for the area of a triangle?
Answer: The formula is 1/2 × base × height.

Question: Simplify: 5x + 3x – 2x.
Answer: The answer is 6x.

Question: What is the value of √49?
Answer: The value is 7.

Question: Solve: 2x + 5 = 15.
Answer: x = 5.

Question: Write the Pythagoras theorem.
Answer: a² + b² = c².

Question: Find the LCM of 12 and 18.
Answer: The LCM is 36.

Question: If x = 3, find the value of 3x² – 2x + 4.
Answer: The value is 31.

Question: Convert 1/4 into a decimal.
Answer: The decimal is 0.25.

Question: Solve for y: y/2 = 8.
Answer: y = 16.

Question: What is the value of π (pi)?
Answer: The approximate value is 3.14.

Question: Find the perimeter of a rectangle with length 5 cm and breadth 3 cm.
Answer: The perimeter is 16 cm.

Question: Expand (x + 3)².
Answer: x² + 6x + 9.

Question: Factorize x² – 9.
Answer: (x – 3)(x + 3).

Question: What is the cube root of 27?
Answer: The cube root is 3.

Question: Solve: 6x – 3 = 15.
Answer: x = 3.

Question: Convert 0.75 into a fraction.
Answer: 0.75 as a fraction is 3/4.

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

Question: Find the value of 2³.
Answer: The value is 8.

Question: Solve: 4x = 20.
Answer: x = 5.

Question: What is the mode in statistics?
Answer: Mode is the value that appears most frequently.

Science

Question: What is the chemical formula for water?
Answer: The chemical formula is H₂O.

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

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

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

Question: What is the boiling point of water in Celsius?
Answer: The boiling point is 100°C.

Question: Define inertia.
Answer: Inertia is the resistance of an object to change its state of motion or rest.

Question: What is an atom?
Answer: An atom is the smallest unit of matter that retains its chemical properties.

Question: What is the speed of light in a vacuum?
Answer: The speed is approximately 3 × 10⁸ m/s.

Question: Name one renewable source of energy.
Answer: Solar energy.

Question: What is Newton’s third law of motion?
Answer: For every action, there is an equal and opposite reaction.

Question: What is the pH value of pure water?
Answer: The pH value is 7.

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

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

Question: What is the unit of electric current?
Answer: The unit is the ampere (A).

Question: Name the organ responsible for pumping blood.
Answer: The heart.

Question: What is the smallest bone in the human body?
Answer: The stapes in the ear.

Question: Define kinetic energy.
Answer: Kinetic energy is the energy possessed by a body due to its motion.

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

Question: What is the full form of DNA?
Answer: Deoxyribonucleic Acid.

Question: State one use of microorganisms.
Answer: Microorganisms are used in making antibiotics.

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 expresses an action or a state of being.

Question: What is a synonym?
Answer: A synonym is a word that has the same or similar meaning as another word.

Question: What is the plural form of “child”?
Answer: The plural form is “children.”

Question: What is a simile?
Answer: A simile is a figure of speech comparing two things using “like” or “as.”

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

Question: What is the past tense of “go”?
Answer: The past tense is “went.”

Question: What is the opposite of “happy”?
Answer: The opposite is “sad.”

Question: What is an adjective?
Answer: An adjective is a word that describes a noun.

Question: Define an adverb.
Answer: An adverb is a word that describes a verb, adjective, or another adverb.

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

Question: What is an article in grammar?
Answer: An article is a word that modifies a noun, such as “a,” “an,” or “the.”

Question: Define a compound sentence.
Answer: A compound sentence contains two or more independent clauses joined by a conjunction.

Question: What is the synonym of “beautiful”?
Answer: The synonym is “attractive.”

Question: What is the antonym of “dark”?
Answer: The antonym is “light.”

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

Question: What is a paragraph?
Answer: A paragraph is a group of sentences that focus on one main idea.

Question: What is the difference between “their” and “there”?
Answer: “Their” indicates possession, while “there” refers to a place.

Question: What is a homonym?
Answer: A homonym is a word that sounds the same as another but has a different meaning.

In conclusion, the 9th standard question paper from 2019 helps students assess their understanding of various subjects. With ample questions and answers across subjects, this guide aims to make learning simple and effective for better academic performance.