Prasanna

MP Board Class 9th Maths Solutions Chapter 6 Lines and Angles Ex 6.3 Question 1. In Fig. given below, sides QP and RQ of ∆PQR are produced to points S and T respectively. If ∠SPR = 135° and ∠PQT = 110°, find ∠PRQ. Solution: Given ∠SPR = 135° ∠PQT = 110° To find. ∠PRQ Calculation: … Read more

MP Board Class 9th Maths Solutions Chapter 6 Lines and Angles Ex 6.2 Question 1. In Fig. given below, find the values of x and y and then showthat AB ∥ CD. Solution: ∠y = 130° (VOA’s) x + 50° = 180° (LPA’) ∴ x = 180° – 50° = 130° ∠x and ∠y are … Read more

MP Board Class 9th Science Solutions Chapter 5 The Fundamental Unit of Life The Fundamental Unit of Life Intext Questions The Fundamental Unit of Life Intext Questions Page No. 59 Question 1. Who discovered cells and how? Answer: Robert Hooke (1665), by chance observed a slice of cork through a self designed microscope. He observed … Read more

MP Board Class 7th Science Solutions Chapter 11 Transportation in Animals and Plants Transportation in Animals and Plants Intex Questions Question 1. Why is the color of blood red? Answer: Because blood contains a red pigment called hemoglobin. Question 2. Paheli wonders which side of the heart will have oxygen – rich blood and which … Read more

MP Board Class 9th Maths Solutions Chapter 6 Lines and Angles Ex 6.1 Question 1. In the given fig., lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70° and ∠BOD = 40°, find ∠BOE and reflex ∠COE. Solution: Given ∠AOC + ∠BOE = 70° ∠BOD = 40° To find: ∠BOE and … Read more

MP Board Class 9th Science Solutions Chapter 4 Structure of the Atom Structure of the Atom Intext Questions Structure of the Atom Intext Questions Page No. 47 Question 1. What are canal rays? Answer: Canal rays are positively charged radiations which led to the discovery of positively charged sub-atomic particle called proton. These rays were … Read more

MP Board Class 9th Maths Solutions Chapter 5 Introduction to Euclid’s Geometry Ex  5.2 Question 1. How would you rewrite Euclid’s fifth postulate so that it would be easier to understand? Solution: If a line p intersects two lines l and m such that (∠1 + ∠2) is less than 180°, then lines l and … Read more

MP Board Class 9th Maths Solutions Chapter 5 Introduction to Euclid’s Geometry Ex  5.1 Question 1. Which of the following statements are true and which are false? Give reasons for your answers. Only one line can pass through a single point. There are infinite number of lines which pass through two distinct points. A terminated … Read more

MP Board Class 9th Maths Solutions Chapter 4 Linear Equations in Two Variables Ex 4.4 Question 1. Give the geometric representations of y = 3 as an equation – In one variable in two variables. Solution: 1. Linear equation in one variable y = 3 2. Linear equation in two variables is 0x + y … Read more

MP Board Class 9th Maths Solutions Chapter 4 Linear Equations in Two Variables Ex 4.3 Question 1. Draw the graph of each of the following linear equations in two variables: x + y = 4 x – y = 2 y = 3x 3 = 2x + y solution: 1. x + y = 4 … Read more

MP Board Class 9th Maths Solutions Chapter 4 Linear Equations in Two Variables Ex 4.2 Question 1. Which one of the following options is true, and why? y = 3x + 5 has (i) a unique solution, (ii) only two solutions, (iii) infinitely many solutions. Solution: The true option is (iii) y = 3x + … Read more

MP Board Class 7th Science Solutions Chapter 10 Respiration in Organisms Respiration in Organisms Intex Questions Question 1. Bhoojho wants to know if cockroaches, snails, fish, earthworms, ants and mosquitoes also have lungs? Answer: Yes. Question 2. Boojho has seen in television programmes that whales and dolphins often come up to the water surface? They … Read more

MP Board Class 9th Maths Solutions Chapter 4 Linear Equations in Two Variables Ex 4.1 Question 1. The cost of notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. Solution: Let cost of pen be ₹ x and cost of a notebook be ₹ y … Read more

MP Board Class 9th Science Solutions Chapter 3 Atoms and Molecules Atoms and Molecules Intext Questions Atoms and Molecules Intext Questions Page No. 32 – 33 Question 1. In a reaction 5.3g of sodium carbonate reacted with 6g of ethanoic acid. The products were 2.2g of carbon dioxide. 0. 9g water and 8.2g of sodium … Read more

MP Board Class 9th Maths Solutions Chapter 3 Coordinate Geometry Ex 3.2 Question 1. Write the answer of each of the following questions: What is the name of horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane? What is the name of each part of the plane … Read more