10th Half Yearly Question Paper 2022 PDF – Questions & Answers

The 10th Half Yearly Question Paper 2022 is an essential resource for students preparing for their exams. This article provides a collection of questions and answers from various subjects that were included in the 10th half-yearly exams of 2022. By going through these questions and answers, students can better prepare for their upcoming tests. The following sections break down questions and answers for each subject to help you enhance your understanding and practice effectively.

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Subject 1: Mathematics

Question 1:
What is the Pythagorean theorem?

Answer 1:
The Pythagorean 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 2:
Solve for x: 2x + 5 = 15.

Answer 2:
x = 5.

Question 3:
What is the value of π (Pi) to two decimal places?

Answer 3:
The value of π is 3.14.

Question 4:
Find the area of a circle with a radius of 7 cm.

Answer 4:
The area of the circle is 154 cm² (Area = πr²).

Question 5:
What is the formula for the volume of a cylinder?

Answer 5:
The formula for the volume of a cylinder is V = πr²h.

Question 6:
Solve: 4x² – 9 = 0.

Answer 6:
x = ±3/2.

Question 7:
What is the quadratic formula?

Answer 7:
The quadratic formula is x = [-b ± √(b² – 4ac)] / 2a.

Question 8:
Find the sum of the first 10 natural numbers.

Answer 8:
The sum is 55.

Question 9:
What is the distance formula?

Answer 9:
The distance formula is d = √[(x₂ – x₁)² + (y₂ – y₁)²].

Question 10:
Solve: x² + 5x + 6 = 0.

Answer 10:
x = -2 and x = -3.

Question 11:
What is the formula for the area of a triangle?

Answer 11:
The formula for the area of a triangle is A = 1/2 × base × height.

Question 12:
Find the surface area of a sphere with radius 5 cm.

Answer 12:
The surface area is 314 cm² (Surface area = 4πr²).

Question 13:
Solve: 3x – 4 = 2x + 5.

Answer 13:
x = 9.

Question 14:
What is the mean of the numbers 2, 4, 6, 8, 10?

Answer 14:
The mean is 6.

Question 15:
Find the perimeter of a rectangle with length 8 cm and width 6 cm.

Answer 15:
The perimeter is 28 cm.

Question 16:
What is the probability of rolling an even number on a dice?

Answer 16:
The probability is 1/2.

Question 17:
Find the value of x in the equation 3x + 7 = 22.

Answer 17:
x = 5.

Question 18:
What is the difference between a prime number and a composite number?

Answer 18:
A prime number has only two factors: 1 and itself. A composite number has more than two factors.

Question 19:
What is the formula for the perimeter of a square?

Answer 19:
The perimeter of a square is P = 4 × side.

Question 20:
Find the value of 4! (4 factorial).

Answer 20:
The value of 4! is 24.

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Subject 2: Science

Question 1:
What is photosynthesis?

Answer 1:
Photosynthesis is the process by which plants make their own food using sunlight, carbon dioxide, and water.

Question 2:
What is the chemical formula of water?

Answer 2:
The chemical formula of water is H₂O.

Question 3:
What is the function of the heart in humans?

Answer 3:
The heart pumps blood throughout the body to supply oxygen and nutrients to the cells.

Question 4:
What is the main component of the Earth’s atmosphere?

Answer 4:
The main component of Earth’s atmosphere is nitrogen.

Question 5:
What is the difference between a conductor and an insulator?

Answer 5:
A conductor allows electricity to flow through it, while an insulator resists the flow of electricity.

Question 6:
What is the force that keeps planets in orbit?

Answer 6:
Gravitational force keeps planets in orbit around the sun.

Question 7:
What is the function of the roots of a plant?

Answer 7:
The roots anchor the plant to the ground and absorb water and nutrients from the soil.

Question 8:
What is the process of digestion?

Answer 8:
Digestion is the process by which food is broken down into smaller molecules for absorption into the bloodstream.

Question 9:
What is the atomic number of oxygen?

Answer 9:
The atomic number of oxygen is 8.

Question 10:
What is a mixture?

Answer 10:
A mixture is a combination of two or more substances that are not chemically bonded.

Question 11:
What is the function of red blood cells?

Answer 11:
Red blood cells carry oxygen from the lungs to the rest of the body.

Question 12:
What is the greenhouse effect?

Answer 12:
The greenhouse effect is the trapping of heat in the Earth’s atmosphere due to gases like carbon dioxide.

Question 13:
What is an ecosystem?

Answer 13:
An ecosystem is a community of living organisms interacting with each other and their environment.

Question 14:
What is the law of motion by Isaac Newton?

Answer 14:
Newton’s first law of motion states that an object at rest stays at rest and an object in motion stays in motion unless acted upon by an external force.

Question 15:
What are the three states of matter?

Answer 15:
The three states of matter are solid, liquid, and gas.

Question 16:
What is a chemical reaction?

Answer 16:
A chemical reaction is a process in which substances undergo a transformation to form new substances.

Question 17:
What is the role of chlorophyll in photosynthesis?

Answer 17:
Chlorophyll absorbs sunlight and helps in converting carbon dioxide and water into glucose and oxygen.

Question 18:
What is the importance of water in living organisms?

Answer 18:
Water is essential for hydration, digestion, and temperature regulation in living organisms.

Question 19:
What is the main source of energy for the Earth?

Answer 19:
The main source of energy for the Earth is the Sun.

Question 20:
What is a chemical bond?

Answer 20:
A chemical bond is the force that holds atoms together in a molecule.

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In conclusion, reviewing these questions and answers for various subjects can significantly enhance your exam preparation. By practicing them, students can improve their understanding and be better prepared for their 10th half-yearly exams in 2022. Regular practice is key to achieving success.