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120 Most Important questions for CBSE Class 10 Mathematics and Science Board Exams 2019

Feb 14, 2019 16:16 IST
    CBSE Class 10 Mathematics and Science: Important questions
    CBSE Class 10 Mathematics and Science: Important questions

    In Class 10, Maths and Science subjects are considered the most important subjects as they lay a good foundation for those students who want to pursue Medical or Engineering in future. So, good scores in these two subjects in CBSE Class 10 Board Exams act as a push for students to go with their interests.

    With only a few days left or the CBSE Class 10 Board Exam 2019, students have very less time to cement their learnings and get well prepared to write the perfect exams. During these days before the exams, students should avoid studying anything new. They must focus on practicing and revising what they have studied until now. Moreover, they must go through the important topics and practice the questions related to those topics. This will help to fine-tune your preparations for the board exams.

    It’s very essential that students pick the reliable study material and question banks, which provide only important and meaningful stuff, so that students are able to make an effective preparation for the exam.

    Here we are providing a set of important questions for CBSE class 10 Mathematics and Science. For both subjects different sets are designed with each set carrying 60 important questions.

    CBSE class 10 Mathematics Important Questions:

    This set will contain 60 questions divided into four parts:

    Question Type

    Number of Questions

    1 Mark Questions

    15

    2 Marks Questions

    15

    3 Marks Questions

    15

    4 Marks Questions

    15

    Some questions from CBSE class 10 Mathematics Important Questions are:

    Q. If the sum of first m terms of an AP is 2m2 + 3m, then what is its second term?

    Q. Find the value of ‘k’ so that the zeros of the quadratic polynomial 3x2kx + 14 are in the ratio 7:6.

    Q. Determine whether the following system of linear equation has a unique solution, no solution or infinitely many solution.

    4x − 5y = 3

    8x − 10y = 6

    Q. If the bisectors of adjacent angles P and Q of a parallelogram PQRS intersect at a point O, then find ∠POQ.

    Q. Water flows through a circular pipe, whose internal diameter is 2 cm, at the rate of 0.7 m per second into a cylindrical tank, the radius of whose base is 40 cm. By how much will the level of water in the cylindrical tank use in half an hour?

    Q. On a straight line passing through the foot of a tower, two points C and D are at distances of 4 m and 16 m from the foot respectively. If the angles of elevation from C and D of the top of the tower are complementary, then find the height of the tower. 

    Q. If the ratio of the sum of the first n terms of two A.Ps is (7n + 1):(4n + 27), then find the ratio of their 9th terms.

    Get the complete set of questions from the following link:

    CBSE class 10 Mathematics Exam 2019: Important Questions

    CBSE Class 10 Last 5+ Years' Question Papers of All Subjects

    CBSE Class 10 Science Important Questions:

    This set will contain 60 questions divided into five parts:

    Question Type

    Number of Questions

    1 Mark Questions

    12

    2 Marks Questions

    12

    3 Marks Questions

    12

    5 Marks Questions

    12

    Practical Based Questions (2 Marks each)

    12

    Some sample questions from CBSE class 10 Science Important Questions are:

    Q. The atomic numbers of three elements A, B and C are 12, 18 and 20 respectively. State, giving reason, which two elements will show similar properties.

    Q. What is the effect of DNA copying, which is not perfectly accurate, on the reproduction process?

    Q. Give reasons for the following:

    (a)  Arteries are thick walled.

    (b) Blood goes only once in one cycle through the heart in fishes.

    (c) Plants have low energy needs.

    Q. The resistance of a wire of 0.01 cm radius is 10Ω. If the resistivity of the material of the wire is 50 × 10−8 ohm meter, find the length of the wire.

    Q. (a) List the parts of the human eye that control the amount of light entering into it. Explain how they perform this function.

    (b) Write the function of retina in human eye. 

    (c) Do you know that the corneal-impairment can be cured by replacing the defective cornea with the cornea of the donated eye? How and why should we organise groups to motivate the community members to donate their eyes after death?

    Q. An object of height 2.5 cm is placed at a distance of 15 cm from the optical centre 'O' of a convex lens of focal length 10 cm. Draw a ray diagram to find the position and size of the image formed. Mark the optical centre 'O', principal focus F and height of the image on the diagram.

    Get the complete set of questions from the following link:

    CBSE class 10 Science Exam 2018: Important Questions

    Revision is considered as the key to succeed in CBSE Board Exams. Revision not only helps you remember the concepts and answers better, but it also ensures that you get hold of the language and the flow of answer. This is bound to increase your confidence while attempting the paper, and eventually help you score more marks. Collection of important CBSE Class 10 Question provided above will help in quick revision before the exams making you well prepared to face the challenge.

    To get more of such useful articles for CBSE Class 10 Board Exam preparations, click on the following links:

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