Icse Class 10 Reduced Syllabus 2023

FAQs – 1. Is ICSE Reduced the syllabus Class 10 for the session 2023-24? No, for the session 2023-24 there has been no reduced syllabus. The syllabus is the same as previous year ICSE class 10 syllabus.2. Did ICSE Revise the Class 10 syllabus for 2023-24 session? The new syllabus for ICSE class 10 students has been released by the board.

What is the syllabus of Cisce biology?

2023-24 ICSE Class 10 Biology Syllabus Aims; –

  1. To acquire knowledge of the economic importance of plants and animals.
  2. To develop an understanding of the inter-relationship between sustainability and environmental adaptations.
  3. To develop an understanding of the interdependence of plants and animals so as to enable pupils to acquire a clearer comprehension
  4. of the significance of life and its importance in human welfare.
  5. To understand the capacities and limitations of all the biological and economic activities so as to be able to use them for a better quality of life.
  6. To acquire the ability to observe, experiment, hypothesize, infer, handle equipment accurately and make correct recordings.

Now that we know the multiple aims of the Biology ICSE Class 10 syllabus 2023-24, it is time to start with the general guidelines we must be aware of.

  • There will be one paper of two hours duration of 80 marks and an Internal Assessment of practical work carrying 20 marks.
  • The paper will be divided into two sections, Section I (40 marks) and Section II (40 marks).
  • Section I (compulsory) will contain short answer questions on the entire syllabus. Section II will contain six questions. Candidates will be required to answer any four of these six questions.
  • SCIENCE (52)
  • SCIENCE Paper – 3
Units Topics
1. Basic Biology
  1. (i) Cell Cycle and Cell Division.
  2. Cell cycle – Interphase (G1, S, G2) and Mitotic phase.
  3. Cell Division:
  • Mitosis and its stages.
  • A basic understanding of Meiosis as a reduction division (stages not required).
  • A brief idea of homologous chromosomes and crossing over leading to variations.
  • Significance and major differences between mitotic and meiotic division.
  • (ii) Structure of chromosome.
  • The basic structure of chromosomes with an elementary understanding of terms such as chromatin, chromatid, gene structure of DNA and centromere.
  • (iii) Genetics: Mendel’s laws of inheritance and sex-linked inheritance of diseases.
  • The three laws of Mendel.
  • Monohybrid cross–phenotype and genotype.
  • Dihybrid cross – Only phenotype.
  • The following terms are to be covered: gene, allele, heterozygous, homozygous, dominant, recessive, mutation, variation, phenotype, and genotype.
  • Sex determination in human beings.
  • Sex-linked inheritance of diseases to include only X-linked like haemophilia and colour blindness.
2. Plant Physiology (i) Absorption by roots, imbibition, diffusion and osmosis; osmotic pressure, root pressure; turgidity and flaccidity; plasmolysis and deplasmolysis; the absorption of water and minerals; active and passive transport (in brief); The rise of water up to the xylem; Forces responsible for ascent of sap.

  • Understanding of the processes related to the absorption of water by the roots.
  • Characteristics of roots, which make them suitable for absorbing water.
  • Structure of a single full-grown root hair.
  • A general idea of Cohesive, Adhesive forces and transpirational pull.
  • Experiments to show the conduction of water through the xylem.

(ii) Transpiration – process and significance. Ganong’s potometer and its limitations. The factors affecting rate of transpiration. Experiments on transpiration. A brief idea of guttation and bleeding.

  • Concept of transpiration and its importance to plants
  • Experiments related to transpiration:

(a)Loss in weight of a potted plant or a leafy shoot in a test tube as a result of transpiration. (b)Use of cobalt chloride paper to demonstrate the unequal rate of transpiration in a dorsiventral leaf.

  • Mechanism of stomatal transpiration on the basis of potassium ion exchange theory.
  • Adaptations in plants to reduce transpiration.
  • A brief idea of guttation and bleeding

(iii)Photosynthesis: the process and its importance to life in general; experiments to show the necessity of light, carbon dioxide, chlorophyll, formation of starch and release of oxygen; carbon cycle.

  • The process and significance of Photosynthesis.
  • The internal structure of chloroplast to be explained to give an idea of the site of light and dark reactions.
  • Opening and closing of stomata based on potassium ion exchange theory.
  • Overall balanced chemical equation to represent photosynthesis.
  • Introduction of the terms “photochemical” for light phase and “biosynthetic” for dark phases.
  • Light reaction – activation of chlorophyll followed by photolysis of water, release of O2, formation of ATP (photophosphorylation) and NADPH.
  • Dark reaction – only combination of hydrogen released by NADP with CO2 to form glucose. (detailed equations are not required).
  • Adaptations in plants for photosynthesis.
  • Experiments with regard to the factors essential for photosynthesis; emphasis on destarching and the steps involved in starch test.
  • A diagrammatic representation of “carbon cycle”.

(iv) Chemical coordination in Plants: A general study of plant growth regulators; Tropic movements in plants.

  • A brief idea of the physiological effects of Auxins, Gibberellins, Cytokinins, Abscisic acid and Ethylene in regulating the growth of plants.
  • A basic understanding of the tropic movements in plants with reference to – Phototropism, Geotropism, Hydrotropism, Thigmotropism and Chemotropism (supported with suitable examples).
3. Human Anatomy and Physiology (i) Circulatory System: Blood and lymph, the structure and working of the heart, blood vessels, circulation of blood (only names of the main blood vessels entering and leaving the heart, liver and kidney will be required). Lymphatic system.

  • Composition of blood (structure and functions of RBC, WBC and platelets).
  • Brief idea of tissue fluid and lymph.
  • Increase in efficiency of mammalian red blood cells due to absence of certain organelles; reasons for the same.
  • A brief idea of blood coagulation.
  • Structure and working of the heart along with names of the main blood vessels entering and leaving the heart, the liver and the kidney.
  • Concept of systole and diastole; concept of double circulation.
  • Brief idea of pulse and blood pressure.
  • Blood vessels: artery, vein and capillary to be explained with the help of diagrams to bring out the relationship between their structure and function.
  • Brief idea of the lymphatic organs: spleen and tonsils.
  • ABO blood group system, Rh factor. Significance of the hepatic portal system.

(ii) Excretory System: A brief introduction to the excretory organs; parts of the urinary system; structure and function of the kidneys; blood vessels associated with kidneys; structure and function of nephron,

  • A brief idea of different excretory organs in the human body.
  • External and internal structure of the kidney;
  • Parts of the urinary system along with the blood vessels entering and leaving the kidney; functions of various parts of the urinary system (emphasis on diagramwith correct labelling). A general idea of the structure of a kidney tubule/ nephron.
  • A brief idea of ultra-filtration (emphasis on the diagram of malpighian capsule); selective reabsorption and tubular secretion in relation to the composition of blood plasma and urine formed.

(iii)Nervous system: Structure of Neuron; central, autonomous and peripheral nervous system (in brief); brain and spinal cord; reflex action and how it differs from voluntary action. Sense organs – Eye: Structure, functions, defects and corrective measures: Ear: Parts and functions of the ear.

  • Parts of a neuron.
  • Various parts of the external structure of the brain and its primary parts: Medulla Oblongata, Cerebrum, Cerebellum, Thalamus, Hypothalamus and Pons; their functions.
  • Reference to the distribution of white and gray matter in Brain and Spinal cord.
  • Voluntary and involuntary actions – meaning with examples.
  • Diagrammatic explanation of the reflex arc, showing the pathway from receptor to effector.
  • A brief idea of the peripheral and autonomic nervous system in regulating body activities.
  • Differences between natural and acquired reflexes.
  • External and Internal structure and functions of the Eye and Ear and their various parts.
  • A brief idea of stereoscopic vision, adaptation and accommodation of the eye.
  • Defects of the eye (myopia, hyperopia hypermetropia, presbyopia, astigmatism and cataract) and corrective measures (diagrams included for myopia and hyperopia only).
  • The course of perception of sound in the human ear.
  • Role of the ear in maintaining the balance of the body.

(iv) Endocrine System: General study of the following glands: Adrenal, Pancreas, Thyroid and Pituitary. Endocrine and Exocrine glands.

  • Differences between Endocrine and Exocrine glands.
  • Exact location and shape of the endocrine glands in the human body.
  • Hormones secreted by the following glands: Pancreas: insulin and glucagon; Thyroid: only thyroxin; Adrenal gland: Cortical hormones and adrenaline; Pituitary: growth hormone, tropic hormones, ADH and oxytocin.
  • Effects of hypo secretion and hypersecretion of hormones.
  • A brief idea of the Feedback mechanism with reference to TSH.

(v) The Reproductive System: Organs, fertilisation functions of the placenta in the growth of the embryo Menstrual cycle.

  • Functions of Male and Female reproductive organs and male accessory glands. An idea of secondary sexual characters.
  • Structure and functions of the various parts of the sperm and egg.
  • Explanation of the terms: Fertilization, implantation, placenta, gestation and parturition.
  • A brief idea of the role of the placenta in nutrition, respiration and excretion of the embryo; its endocrinal function.
  • Functions of Foetal membranes and amniotic fluid.
  • Menstrual cycle outline of the menstrual cycle.
  • Role of Sex hormones: Testosterone, Oestrogen and Progesterone in reproduction.
  • Identical and fraternal twins: meaning and differences only
4. Population Population explosion in India; need for adopting control measures – population control.

  • Main reasons for the sharp rise in human population in India and in the world.
  • A brief explanation of the terms: demography, population density, birth rate, death rate and growth rate of population.
  • Problems faced due to population explosion: unemployment, over exploitation of natural resources, low per capita income, price rise, pollution, unequal distribution of wealth.
  • Methods of population control: Surgical methods – Tubectomy and vasectomy.
5. Human Evolution Basic introduction to Human evolution and Theories of evolution: Lamarck’s theory of inheritance; Darwin’s theory of evolution by natural selection.

A brief idea of human ancestors – Australopithecus, Homo habilis, Homo erectus, Neanderthals, Cro-Magnon and Homo sapiens sapiens (Modern Man) with reference to the following characteristics:

  1. – Bipedalism
  2. – Increasing Cranial capacity
  3. – Reduction of size of canine teeth
  4. – Forehead and brow ridges
  5. – Development of chin
  6. – Reduction in body hair
  7. – Height and Posture
  • Lamarck’s theory of inheritance of acquired characteristics – with reference to use of organs (e.g.: neck and forelimbs of giraffe) and disuse of organs (e.g.: vestigial organs in humans like wisdom teeth, vermiform appendix, pinnae).
  • Darwin’s theory of Natural selection: Survival of the fittest – e.g. adaptation of peppered moth.
6. Pollution (i) Types and sources of pollution; major pollutants.

  • Air: Vehicular, industrial, burning garbage, brick kilns.
  • Water: Household detergents, sewage, industrial waste, oil spills.
  • Thermal pollution.
  • Soil: Industrial waste, urban commercial and domestic waste, chemical fertilizers.
  • Biomedical waste – used and discarded needles, syringes, soiled dressings etc.
  • Radiation: X-rays; radioactive fallout from nuclear plants.
  • Noise: Motor Vehicles, Industrial establishments, Construction Sites, Loudspeakers etc.

(ii) Biodegradable and Non-biodegradable wastes Biodegradable wastes: meaning and example; paper, vegetable peels, etc. Non-biodegradable wastes: meaning and example; plastics, glass, Styrofoam etc. Pesticides like DDT etc. (iii)Effects of pollution on climate, environment, human health and other organisms; control measures.

  • Brief explanation of: Greenhouse effect and Global warming, Acid rain, Ozone layer depletion.
  • Measures to control pollution:
  • – Use of unleaded petrol / CNG in automobiles
  • – Switching of engines at traffic signal lights
  • – Social forestry
  • – Setting of sewage treatment plants
  • – Ban on polythene and plastics
  • – Organic farming
  • – Euro Bharat vehicular standard.
  • (A brief idea of the above measures)

A brief mention of “Swachh Bharat Abhiyan”- A national campaign for Clean India.

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INTERNAL ASSESSMENT OF PRACTICAL WORK The practical work is designed to test the ability of the candidates to make an accurate observation from specimens of plants and animals.

PLANT LIFE (i) Observation of permanent slides of stages of mitosis. (ii) Experiments demonstrating:

  • Diffusion: using potassium permanganate in water.
  • Osmosis: Thistle Funnel experiment and potato osmoscope.
  • Absorption: using a small herbaceous plant.

(iii) Experiments on Transpiration:

  • demonstration of the process using a Bell Jar.
  • demonstration of unequal transpiration in a dorsiventral leaf using cobalt chloride paper.
  • demonstration of uptake of water and the rate of transpiration using Ganong’s potometer.

(iv) Experiments on Photosynthesis:

  • to show the necessity of light, carbon dioxide and chlorophyll for photosynthesis.
  • to show the release of O2 during photosynthesis using hydrilla / elodea.
  1. (i) Identification of the structures of the urinary system, heart and kidney (internal structure) and brain (external view) through models and charts
  2. (ii) The identification of different types of blood cells under a microscope.
  3. (iii)Identification of the internal structure of the Ear and Eye (Through models and charts).
  4. (iv) Identification and location of selected endocrine glands: Adrenal, Pancreas, Thyroid and Pituitary glands with the help of a model or chart.

To get the complete pdf of ICSE Class 10 Biology Syllabus click on the link below:

Also read: ICSE and ISC are the type of examination that comes under CISCE Board. ICSE stands for the Indian Certificate of Secondary Education. ISC stands for Indian School Certificate. CISCE Standards till class 10 comes under ICSE, class 11 and 12 comes under ISC.

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As per the latest syllabus released by the CISCE, the class 10 biology syllabus comprises of total 6 units; Basic Biology, Plant Physiology, Human Anatomy & Physiology, Population, Human evolution, and pollution. Each unit is divided into sub-topics. To have a detailed look at the syllabus, visit the official website of Jagran josh.

: ICSE Class 10 Biology Syllabus 2023-24: Download Class 10th Biology Syllabus PDF

What is the criteria for ISC?

Standards of ISC Passing Marks 2023 – The ISC passing marks are calculated based on factors such as assessment procedure and overall calculations. Knowing the ISC passing marks will help students create a strategic study plan. Importantly, the ISC examinees must secure 40% marks in each subject and an aggregate of 35% overall to qualify for the exam and receive a pass certificate.

  • The aggregate ISC passing marks out of 100 are 35%
  • To pass each paper, students must secure 40% in each subject.

What is the weightage for ISC Biology 2023?

ISC Exam Pattern 2023 Biology – Biology will also have two papers: theory and practical. Theory will be of 70 marks and practical will be of 30 marks.

Theory Theory paper will consist of 70 marks and students have no choice; they have to answer all the questions. Following topics will be included in the Theory exam. Reproduction- 16 marks Genetics and Evolution- 15 marks Biology and Human Welfare- 14 marks Biotechnology and its Applications- 10 marks Ecology and Environment- 15 marks
Project work Students have to prepare a project and practice on a topic given by the teacher. It will be examined by a teacher and a visitor examiner, then, it will be approved by the council.
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Q: Which subject combinations are not allowed in ISC? A: Students are not allowed to choose following combinations:

Physics with engineering science Geometrical & mechanical drawing with geometrical & building drawing

Q: How can I check my latest ISC Exam Pattern 2023? A: CISCE releases the ISC Exam Pattern every year on its official website. Alternatively, students can check this page above to know the details on the exam pattern. Q: What are the minimum passing marks for ISC Exam 2023 ? A: Students need to secure at least 40% Passing marks to clear ISC Exam 2023.

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