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MP Board Class 7th Science Solutions Chapter 9 Soil Soil Intext Questions Question 1. I wonder why I found some pieces of plastic articles and polythene bags in the soil sample collected from the roadside and the garden? Answer: It is because people throw used plastic things and polythene bags in the soil. Question 2. … Read more

MP Board Class 6th Science Solutions Chapter 2 Components of Food Components of Food Textbook Exercises Question 1. Name the major nutrients in our food? Answer: The major nutrients, in our food are proteins, fats, carbohydrates, vitamins and minerals. In addition to above, food also contains dietary fibres and water. Question 2. Name the following: … Read more

MP Board Class 9th Maths Solutions Chapter 12 Heron’s Formula Ex 12.1 Question 1. A traffic signal borard, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’ Find the area of the signal board, using Heron’s formula. If its perimeter is 180 cm, what will be the area of the signal board? Solution: Question … Read more

MP Board Class 7th Science Solutions Chapter 8 Winds, Storms and Cyclones Winds, Storms and Cyclones Intext Questions Question 1. I wonder why the winds shown in the figure are not in the exact north – south direction? Answer: The winds would have flown in the north – south direction from north to south or … Read more

MP Board Class 9th Maths Solutions Chapter 11 Constructions Ex 11.1 Question 1. Construct an angle of 90° at the initial point of a given ray and justify the construction. Solution: Draw a ray OA and with O as centre and any radius, draw an arc, cutting OA at B. With B as centre and … Read more

MP Board Class 9th Science Solutions Chapter 11 Work and Energy Work and Energy Intext Questions Work and Energy Intext Questions Page No. 148 Question 1. A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. below). Let us take it that the … Read more

MP Board Class 7th Science Solutions Chapter 7 Weather, Climate and Adaptations of Animals of Climate Weather Climate and Adaptations of Animals of Climate  Intext Questions Question 1. I wonder who prepares the wheather report? Answer: The weather reports are prepared by the Meteorological Department of the Government. Question 2. I wonder why weather changes … Read more

MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.5 Question 1. In the figure, A, B and C are three points on a circle with centre O such that ∠BOC = 30° and ∠AOB = 60°. If D is a point on the circle other than the arc ABC, find ∠ADC. Solution: We … Read more

MP Board Class 7th Science Solutions Chapter 6 Physical and Chemical Changes Activities Activity 1 Make a list of eight changes you have noticed from your surroundings. Answer: The changes are as: Motion of fan Lighting of a tubelight Vaporisation of water Melting of ice Sound produced by radio Blooming of flower Changing of day … Read more

MP Board Class 9th Science Solutions Chapter 10 Gravitation Gravitation Intext Questions Gravitation Intext Questions Page No. 134 Question 1. State the universal law of gravitation. Answer: Suppose there are two objects having mass M and m respectively. The distance between their centres is equal to d. The force of attraction is F. Thus, F … Read more

MP Board Class 9th Maths Solutions Chapter 11 Constructions Ex 11.2 Question 1. Construct a triangle ABC in which BC = 7 cm, B = ∠75° and AB + AC = 13 cm. Solution: BC = 7 cm ∠B = 15° AB + BC = 13 cm. Question 2. Construct a triangle ABC in which … Read more

MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.4 Question 1. Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord. Solution: Given Let O and O1 be the centre of bigger and smaller … Read more

MP Board Class 12th Chemistry Solutions Chapter 1 The Solid State The Solid State NCERT Intext Exercises Question 1. Why are solids rigid ? Answer: Solids are rigid due to presence of strong inter- molecular forces between the constituent particles. Question 2. Why do solids have a definite volume ? Answer: In solids, the constituent … Read more

MP Board Class 7th Science Solutions Chapter 18 Wastewater Story Activities Activity – 1 We have given one example of the use of clean water. You can add many more? Answer: Activity – 2 Locates an open drain near your home, school or on the roadside and inspect water flowing through it? Record color, odour … Read more