9th Class Saraswati Vidya Mandir Question Paper

Preparing for the 9th class exams is crucial for students’ academic growth. Saraswati Vidya Mandir offers a comprehensive syllabus covering key subjects like Science, Math, English, Hindi, and Social Science. This guide provides carefully crafted questions and answers for every subject, ensuring better preparation and understanding of concepts.

Science Questions and Answers

Question: What is the difference between mass and weight?

Answer: Mass is the amount of matter in an object and remains constant, while weight is the force exerted by gravity on an object and varies with location.

Question: Define the law of conservation of energy.

Answer: The law of conservation of energy states that energy can neither be created nor destroyed; it can only change forms but remains constant in a closed system.

Question: What is the chemical formula of water?

Answer: The chemical formula of water is H₂O.

Question: What is photosynthesis?

Answer: Photosynthesis is the process by which green plants convert sunlight, water, and carbon dioxide into glucose and oxygen.

Question: Define the term ‘ecosystem.’

Answer: An ecosystem is a community of living organisms interacting with each other and their non-living environment.

Question: What is the pH scale?

Answer: The pH scale measures the acidity or alkalinity of a substance, ranging from 0 to 14, with 7 being neutral.

Question: Explain Newton’s third law of motion.

Answer: Newton’s third law states that for every action, there is an equal and opposite reaction.

Question: What are the three states of matter?

Answer: The three states of matter are solid, liquid, and gas.

Question: Define the term ‘atom.’

Answer: An atom is the smallest unit of an element that retains its chemical properties.

Question: What are renewable energy sources?

Answer: Renewable energy sources are energy sources that are naturally replenished, such as solar, wind, and hydroelectric energy.

Question: What is an electric current?

Answer: Electric current is the flow of electric charge through a conductor.

Question: Define biodiversity.

Answer: Biodiversity refers to the variety of life forms, including plants, animals, and microorganisms, in a particular area.

Question: What is the function of the heart?

Answer: The heart pumps blood throughout the body, supplying oxygen and nutrients and removing waste products.

Question: What is the difference between exothermic and endothermic reactions?

Answer: Exothermic reactions release energy, while endothermic reactions absorb energy.

Question: What is the boiling point of water?

Answer: The boiling point of water is 100°C (212°F) at standard atmospheric pressure.

Question: Define adaptation.

Answer: Adaptation is the process by which organisms adjust to their environment to enhance survival and reproduction.

Question: What is the role of chlorophyll?

Answer: Chlorophyll is a pigment in plants that absorbs sunlight for photosynthesis.

Question: What is the human body’s largest organ?

Answer: The largest organ in the human body is the skin.

Question: Explain the greenhouse effect.

Answer: The greenhouse effect is the trapping of heat by gases in Earth’s atmosphere, which helps maintain the planet’s temperature.

Mathematics Questions and Answers

Question: What is the formula for the area of a rectangle?

Answer: The formula for the area of a rectangle is length × width.

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

Answer: x = 5.

Question: What is a prime number?

Answer: A prime number is a number greater than 1 that has only two factors, 1 and itself.

Question: Define the term ‘perimeter.’

Answer: The perimeter is the total distance around the boundary of a shape.

Question: What is the Pythagoras theorem?

Answer: The Pythagoras theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Question: What is the value of π?

Answer: The approximate value of π is 3.14159.

Question: Solve: 3x² = 27.

Answer: x = ±3.

Question: What is a linear equation?

Answer: A linear equation is an equation in which the highest power of the variable is 1.

Question: Define an acute angle.

Answer: An acute angle is an angle that measures less than 90 degrees.

Question: What is the formula for the volume of a sphere?

Answer: The formula for the volume of a sphere is 43πr3\frac{4}{3} \pi r^334​πr3.

Question: Simplify: (x + 2)(x – 2).

Answer: x² – 4.

Question: What is an irrational number?

Answer: An irrational number is a number that cannot be expressed as a simple fraction, such as √2 or π.

Question: What is the sum of the angles in a triangle?

Answer: The sum of the angles in a triangle is 180 degrees.

Question: Define a parallelogram.

Answer: A parallelogram is a quadrilateral with opposite sides parallel and equal.

Question: What is a tangent?

Answer: A tangent is a line that touches a circle at exactly one point.

Question: Solve for y: 5y – 7 = 13.

Answer: y = 4.

Question: What is a composite number?

Answer: A composite number is a number greater than 1 that has more than two factors.

Question: Define probability.

Answer: Probability is the measure of the likelihood of an event occurring.

Question: What is the formula for simple interest?

Answer: The formula for simple interest is SI=P⋅R⋅T100SI = \frac{P \cdot R \cdot T}{100}SI=100P⋅R⋅T​, where P = principal, R = rate, T = time.

Social Science Questions and Answers

Question: What is the significance of the Indian Constitution?

Answer: The Indian Constitution establishes the framework of governance and guarantees fundamental rights to citizens.

Question: Define democracy.

Answer: Democracy is a system of government in which the citizens exercise power directly or elect representatives.

Question: What is the role of the judiciary in India?

Answer: The judiciary interprets laws, protects fundamental rights, and ensures justice.

Thorough preparation using subject-wise questions and answers strengthens the understanding of 9th class concepts. Saraswati Vidya Mandir’s question papers help students grasp fundamental concepts and excel in exams.