The post CBSE 10th Topics Removed for 202021 appeared first on Class Notes.
]]>Check the list of topics that have been deleted from the original syllabus of CBSE Class 10th. We have provided here the chapterwise topics that will not be assessed in the Board Exam 2021.
In this article, we are providing a list of the CBSE Class 10th topics that are deleted from the original syllabus. We have collated the chapterwise topics which students need not prepare for the CBSE Class 10th Board Exam 2020. By knowing the deleted portion of the syllabus, students directly focus on those that are prescribed in the revised syllabus of class 10th. This will help them in carrying out productive study sessions in the remaining part of the current academic year.
CBSE 10th Class NotesUNIT I – NUMBER SYSTEMS  
Chapter  Topics 
REAL NUMBERS  Euclid’s division lemma 
UNIT II – ALGEBRA  
Chapter  Topics 
POLYNOMIALS  Statement and simple problems on division algorithm for polynomials with real coefficients. 
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES  cross multiplication method 
QUADRATIC EQUATIONS  Situational problems based on equations reducible to quadratic equations 
ARITHMETIC PROGRESSIONS  Application in solving daily life problems based on sum to n terms 
UNIT III – COORDINATE GEOMETRY  
Chapter  Topics 
COORDINATE GEOMETRY  Area of a triangle 
UNIT IV – GEOMETRY  
Chapter  Topics 
TRIANGLES  Proof of the following theorems are deleted

CIRCLES  No Deletion 
CONSTRUCTIONS  Construction of a triangle similar to a given triangle. 
UNIT V – TRIGONOMETRY  
Chapter  Topics 
INTRODUCTION TO TRIGONOMETRY  Motivate the ratios whichever are defined at 0^{o} and 90^{o} 
TRIGONOMETRIC IDENTITIES  Trigonometric ratios of complementary angles 
HEIGHTS AND DISTANCES  No deletion 
UNIT VI – MENSURATION  
AREAS RELATED TO CIRCLES  Problems on central angle of 120° 
SURFACE AREAS AND VOLUMES  Frustum of a cone 
UNIT VI – STATISTICS & PROBABILITY  
Chapter  Topics 
STATISTICS 

PROBABILITY  No deletion 
Check the CBSE Class 10 Science deleted syllabus here. Know the chapterwise topics that have been removed from the syllabus for the academic session 20202021.
Unit I: Chemical Substances – Nature and Behavior  
Chapter  Topics 
Metals and Nonmetals  Basic metallurgical processes; Corrosion and its prevention. 
Carbon Compounds  Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents. 
Unit II: World of Living  
Chapter  Topics 
Control and coordination in animals and plants (Whole Chapter Removed)  Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical coordination: animal hormones 
Heredity and Evolution  Basic concepts of evolution 
Unit III: Natural Phenomena  
Chapter  Topics 
The Human Eye and the Colourful World  Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses 
Unit IV: Effects of Current  
Chapter  Topics 
Magnetic Effects of Current :  Electric Generator, Direct current. Alternating current: frequency of AC, Advantage of AC over DC. Domestic electric circuits 
Unit V: Natural Resources  
Chapter  Topics 
Sources of Energy (Whole Chapter Deleted)  Different forms of energy, conventional and nonconventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus nonrenewable sources of Energy. 
Management of Natural Resources (This chapter is to be prepared only for Internal Assessment. It will not be assessed in the Annual Board Examination)  Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources. 
Check the CBSE Class 10 Social Science deleted syllabus here. Know the chapterwise topics that have been removed from the syllabus for the academic session 20202021.
UNIT 1: INDIA AND THE CONTEMPORARY WORLD –II (HISTORY)  
Chapter No. and Chapter Name (NCERT Textbook)  Recommended Portion for deletion 
Section 2: Livelihoods, Economies and Societies NOTE – ANY ONE OUT OF THESE TWO CHAPTERS (CH3 / CH4) Chapter 3: The Making of a Global World Chapter 4: The Age of Industrialization 
The chosen Chapter to be assessed in the Periodic Tests and not in Board Examination. 
Section 3: Everyday Life, Culture and Politics Chapter 5: Print Culture and the Modern World 
Complete Chapter 
UNIT 2: CONTEMPORARY INDIA – II (GEOGRAPHY)  
Chapter No. and Chapter Name (NCERT Textbook)  Recommended Portion for deletion 
Chapter 2: Forest and Wildlife  Complete Chapter 
Chapter 3: Water Resources  Complete Chapter except for Map Items which will be assessed in the Examination 
Chapter 5: Mineral and Energy Resources  Complete Chapter except for Map Items which will be assessed in the Examination 
UNIT 3: DEMOCRATIC POLITICS –II (POLITICAL SCIENCE)  
Chapter No. and Chapter Name (NCERT Textbook)  Recommended Portion for deletion 
Chapter 3: Democracy and Diversity  Complete Chapter 
Chapter 4: Gender, Religion and Caste  Complete Chapter 
Chapter 5: Popular Struggles and Movements  Complete Chapter 
Chapter 8: Challenges to Democracy  Complete Chapter 
Check the CBSE Class 10 English deleted syllabus here. Know the chapterwise topics that have been removed from the syllabus for the academic session 20202021.
FIRST FLIGHT
FOOTPRINTS WITHOUT FEET
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]]>The post 9th CBSE Mathematics Mid Term Unsolved Paper 2019 appeared first on Class Notes.
]]>Q 1. There can be _______ many irrational numbers between two numbers on the number line.
Q 2. A polynomial of degree __________ is called constant polynomial.
Q 3. Coordinates of a point on the xaxis are of the form ________.
Q 4. Find the rational number among the following numbers:
Q 5. The radius of a sphere i 2r, than the volume will be
Q 6. An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angle is:
Q 7. Three angles of a quadrilateral are 75°, 90° & 55°, find the fourth angle.
Q 8. Find the volume of sphere in terms of II whose diameter is 6 cm.
Q 9. Find the length of each side of an equilateral triangle having an area of 9√3 cm².
Q 10. In ΔPQR, PQ = PR and ∠Q = 65°, then find ∠R.
Q 11. Can a triangle have all the angles less than 60°? Give reason.
Q 12. Zero is a rational number.
Q 13. x + 2√x + 1 is a polynomial.
Q 14. Two circle of same radii are congruent.
Q 15. Point (0, 7) lies in IV Quadrant.
Q 16. There cannot be more than one obtuse angle in a triangle.
Q 17. If (x + 1) is a factor of ax³ + 2x + 4a – 9. Find the value of a.
Q 18. Prove that each angle of an equilateral triangle is 60°.
OR
In the given fig.
∠B < ∠A and ∠C < ∠D
Show that AD<BC
Q 19. The circumference of the base of a cylindrical vessel is 132 cm and its height is 25 cm. How many liters of water can it hold?
Q 20. Find the value of a and b.
7 + √5 / 7 – √5 – 7 – √5 / 7 + √5 = a + 7/11 √5b
OR
(b) Locate √2 on a number line. [1½]
Q 21. If the polynomial az³ + 4z² + 3z – 4 and z³ – 4z + a leaves the same remainder when divided by z – 3, find the value of a.
OR
Simplify: (a + b + c)² – (a – b – c)² + 4b² – 4c²
Q 22. In fig. if ABCD,
CDEF and y:z = 3:7
Find x
OR
It is given that ∠XYZ = 64° and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects ∠ZYP find ∠XYQ and reflex ∠QYP.
Q.23. In figure, AB is a line segment and P is its mid point.
D and E are points on the same side of AB such
that ∠BAD = ∠ABE and ∠EPA = ∠DPB. Show that
Q 24. A field is in the shape of a trapezium whose parallel sides are 25 m and 10 m. The non parallel sides are 14 m and 13 m. Find the area of the field.
Q.25. In figure, Diagonal AC of a parallelogram
ABCD bisect ∠A. Show that:
OR
Show that the diagonals of a rhombus are perpendicular to each other.
Q 26. Curved surface area of a cone is 308 cm² and its slant height is 14 cm. Find
Q 27. A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients?
Q 28. If a = 3 + 2√2, find the value of
Q 29. By actual division, find the quotient and remainder when 3x^{4} – 4x³ – 3x – 1 is divided by x + 1.
OR
If a + b + c = 6 and and ab + bc + ca = 11, then find the value of a³ + b³ + c³ – 3abc
Q 30. Plot the points A (2,0), B(5,0) and C (5,3). Find the coordinates of the point D such that ABCD is a square. Find the area and perimeter of square.
Q 31.
Two side AB and BC and median AM of one triangle ABC are respectively equal to sides PQ and OR and median PN of ΔPQR.
Show that:
OR
In fig., PR>PQ and PS bisects
∠QPR. Prove that ∠PSR > ∠PSQ.
Q 32. Twenty seven solid iron spheres each of radius r¹ and surface area S are melted to form a sphere with surface area S¹. Find the
OR
Volume of the two spheres are in the ratio 125:27. Find the ratio of their surface areas.
Q 33. ABC is a triangle right angled at C. A line through the mid point M of hypotenuse AB and parallel to BC intersect AC at D. Show that
Q 34. ________ 3D Printing technology was invented by Chuck Hull in 1983. [1]
Q 35. _________ 3D Printing technology used in our school. [1]
Q 36. Which of the following software we used in 3D printing? [1]
Q 37. The name of the material we use for 3D printing is [1]
Q 38. Give a brief introduction of smart city? [2]
Q 39. What is the difference between alternating current and direct current? What is I.C. and write its full form. [2]
Question: What is the diameter of the filament you use in 3D Printer? What is the full form of FDM? [2]
OR
What is alternating current? From where you obtained AC & DC?
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]]>
Computer the mode size of holding.
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]]>The post 10th Math Periodic Test I (201819) appeared first on Class Notes.
]]>Kx + 3y – (k – 3) = 0
12x + ky – k = 0
a^{2 }b^{2 —– – —— = 0 }^{X Y}
a^{2 }b^{2 —– – —— = a+b; x, y ≠ 0 X Y}
Convert the distribution above to a less than type cumulative frequency distribution and find median graphically.
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]]>The post 10th Maths Periodic Test II (201819) appeared first on Class Notes.
]]>1. The points P (2,0), Q ( 6, 2), R (a, a) and S (4, – 2) are the vertices of a parallelogram (in order). Find the coordinate of the point R.
2. Find the value of k for which the pair of linear equation 4x + 6y – 1 = 0 and 2x + ky – 7 = 0 represents parallel lines.
3. Write whether the rational number 7/75 will have terminating decimal expansion or a non – terminating repeating decimal expansion.
4. In Δ DEW, ABEW. If AD = 4 cm, DE = 12 cm and DW = 24 cm, then find the value of DB.
5. A ladder of length 15√2 m reaches a window 15 m high. Find the inclination of the ladder with the ground.
6. If sec 2A = cosec (A – 36°), find A.
7. E is any point on produced side BC of Δ ABC in which AB = AC. If AD ⊥ BC and EF ⊥ AB, then prove that ΔACD ˜ ΔEBF.
8. Find the first term if k + 2, 4k – 6 and 3k – 2 are the three consecutive terms of an A.P.
9. Find the value of k, for which the given quadratic equation has equal roots:
4x^{2} + kx + 6 = 0.
10. Given that √2 is irrational, prove that (5 + 3√2) is an irrational number.
11. Find the ratio in which P(4, m) divides the line segment joining the points A(2,3) and B(6, 3). Hence find m.
12. In the figure, ABCD is a rectangle. Find the values of x and y.
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