Class 9 is as important as other higher classes for a student, as it sets the foundation for their studies ahead. A student who is thorough with the Mizoram Board Class 9 Syllabus of Maths and Science and has mastered the subjects will find it easier in classes 10, 11 and 12. Here, with this article, we provide the clickable PDF links to download the MBSE Class 9 Syllabus 2020-21 for Maths, Science, Social Science and English separately.
Class 9 Maths Syllabus 2020-21 consists of a lot of complex concepts and formulas. Some concepts discussed include Real Numbers, Compound Interest, Polynomials, Area, Triangles, and so on.
Mizoram Board Class 9 Maths Deleted Portion 2020-21
|Unit-I: Number System|
|Real Numbers||– Representation of terminating/non-terminating recurring decimals on the number line through successive magnification
– Explaining that every real number is represented by a unique point on the number line and conversely, viz every point on the number line represents a unique real numbers.
|Unit-II: Commercial Mathematics|
|Compound Interest||No Deletion|
|Ratio and Proportion||– Direct variation – simple and direct word problem|
|Cost of Living Index||Delete full chapter|
|Sales tax||Delete full chapter|
|Polynomials||– Statement and proof of the Factor theorem. – Recall of algebraic expression and identities. Further identities of the type: – x̣3 + y3 + z3 – 3xyz|
|GCD and LCM||No deletion|
|Linear Equations in Two Variables||No deletion|
|Lines and angles||No deletion|
|Concurrent Lines in a Triangle||Delete full chapter|
|Quadrilaterals and Parallelograms||No deletion|
|Area||Delete full chapter|
|Constructions||– Construction of a triangle of a given perimeter and base angles|
|Circles||Delete except definition of circle related concepts, radius, circumference, diameter, chord, arc and simple numerical problems.|
|Unit-V: Coordinate Geometry||No deletion|
|Trigonometric ratios||No deletion|
|Trigonometric Identities||No deletion|
|Areas||Application of Hero’s formula in finding the area of a quadrilateral|
|Surface Areas and volumes||No deletion|
|Unit-VIII: Statistics and Probability|
|Statistics||– Histogram(with varying base lengths)
– Frequency polygons
– Mean, median and mode of ungrouped data
Along with a list of experiments that students are required to conduct as part of the Class 9 practicals, the Class 9 Science syllabus 2020-21 also covers a wide range of topics and concepts.
Mizoram Board Class 9 Science (Theory) Deleted Portion 2020-21
|Gravitation and Floatation||Thrust and pressure, Archimedes’ principle, buoyancy, elementary idea of relative density. (Page No 59 – 65)|
|Sound||Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR, structure of the human ear (auditory aspect only). (Page No 95 – 115)|
|Matter in Our Surroundings||Definition of matter; Particle nature, solid, liquid and gas; characteristics – shape, volume, density; change of state melting (absorption of heat), freezing, evaporation (Cooling by evaporation), condensation, sublimation. (Page No 116 – 134)|
|Is Matter around us pure||(Page No 151 – 160)|
|Diversity in Living Organisms||Diversity of plants and animals – basic issues in scientific naming, basis of classification. (Page No 258 – 285)|
|Tissues||Structure and functions of animal and plant tissues (four types in animals; meri-stematic and permanent tissues in plants). (Page No 237 – 257)|
|Natural Resources||Air, Water, Soil. Air for respiration, for combustion, for moderating temperatures, movements of air and its role in bringing rains across India. Air, water and soil pollution (brief introduction). Holes in ozone layer and the probable damages. Bio-geo chemical cycles in nature; water, oxygen, carbon,
nitrogen. (Page No 307 – 333)
|Improvement in Food
|Plant and animal breeding and selection for quality improvement and management; use of fertilizers, manures; protection from pests and diseases; organic farming. (Page No 334 – 360)|
Mizoram Board Class 9 Science (Practical) Deleted Portion 2020-2021
4. To verify laws of reflection of sound.
8. To determine the velocity of a pulse propagated through a stretched string/slinky.
11. To separate the components of a mixture of sand, common salt and ammonium chloride
(or camphor) by sublimation.
12. To determine the melting point of ice and the boiling point of water.
14. To study the characteristic of spirogyra/Agaricus, Moss/Fern, Pinus (either with male or
female conre) and an Angiospermic plant. Draw and give two identifying features of
groups they belong to.
15. To observe and draw the given specimens-earthworm, cockroach, bony fish and bird. For
each specimen record
(a) one specific feature of its phylum
(b) one adaptive feature with reference to its habitat.
Mizoram Board Class 9 Social Science Deleted Portion 2020-21
Social Science is sub-divided into four sub-subjects History, Political Science, Geography and Economics
|Chapter||Topic / Portion Deleted for 2020-2021 academic session||Portion|
|5||Forest Society and Colonialism||History|
|7||Sports and Politics: The Story of Cricket|
|8||Clothes and Culture|
|5||Vegetation and Wildlife|
|1||Democracy: Significance and Relevance||Pol. Science|
|4||Food Security in India||Economics|
Mizoram Board Class 9 English Deleted Portion 2020-21
|1. Tsunami : The Killer Waves.
2. A Lesson for Tyler.
3. Sound Sensations from Evelyn Glennie.
4. Blind Date
5. Mother Teresa
|(1) Mysterious Phenomena.
(2) The Mahatma’s Marksheets.
(3) Tangerine the Wasp.
(4) Operation Indian Ocean.
(5) Yang the Youngest.
3. A Tiger in the Zoo
(2) On the grasshopper and the Cricket
|WRITING Long Composition:|
|(1) Descriptive essay.
(2) Letter Writing (Formal and Informal).
(3) Diary Entry
|(1) Newspaper Articles.
(2) Article Writing.
|(1) Report/paragraph writing.
(2) Message Writing
(3) Postcard Writing.
(2) Invitation (Formal & Informal).
|Worksheet: 2, 3, 4, 5, 6, 7, 8.
Omitted: 1, 9, 10
|1. Lets Go Home.
2. Pip’s Adventure.
3. A Bond With the Wild.
|(1) The Night We Won the Buick.
(2) The Surgeon.
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