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  Q & A > ICSE Board Exam : Class X Solved Question Papers Class 10 Sample / Model Papers for Download - Previous Years how can i get the specimen paper of 2018 Asked by: hemanthsairaj

  Q & A > ICSE Board Exam : Class X Solved Question Papers Class 10 Sample / Model Papers for Download - Previous Years how will angle of MINIMUM DEVIATION change with increase of - 1)wavelength 2)refractive index Asked by: yashasvib

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  Q & A > ICSE Board Exam : Class X Solved Question Papers Class 10 Sample / Model Papers for Download - Previous Years Name the following:- 1) the fluid that provides protection and nourishment to the cells of the brain Asked by: alyazalea

  Q & A > ICSE Board Exam : Class X Solved Question Papers Class 10 Sample / Model Papers for Download - Previous Years Have anyone of you taken sanskrit is the 2018 boards. can you upload the paper please. Also, how much did you score? Thanks Asked by: vikram2508

  Q & A > ICSE Board Exam : Class X Solved Question Papers Class 10 Sample / Model Papers for Download - Previous Years what is the water body in grid square 2221 Why dont monsoon deciduous trees shed their leaves for 6 to 8 weeks. Asked by: ravisreedharan

  Q & A > ICSE Leading producer of petroleum assam or maharashtra? I did not get a clear answer last time. Asked by: agrek

  Q & A > ICSE Board Exam : Class X Solved Question Papers Class 10 Sample / Model Papers for Download - Previous Years What do you mean by the term FAKE in handball? Asked by: eleven

  Q & A > ICSE 4 geographical factors which should b kept in mind while setting up agro-based industry? Asked by: hritvikagarwal

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  ICSE Class X Prelims 2025 : English Paper 2 (English Literature) (Dhirubhai Ambani International School (DAIS), Mumbai)
  	D vanshika_d

  + 2 more by vanshika_d  

  ICSE Class X Prelims 2025 : English Paper 2 (English Literature) (Dhirubhai Ambani International School (DAIS), Mumbai)
  	C vanshika_d

  ICSE Class X Prelims 2025 : English Paper 2 (English Literature) (Dhirubhai Ambani International School (DAIS), Mumbai)
  	B vanshika_d

  ICSE Class X Prelims 2025 : Geography (Villa Theresa High School (VTS), Mumbai)

  (b) Soil erosion occurs more frequently during the monsoon season. Reasoning: During monsoon season, heavy rainfall and strong winds are common. These conditions lead to increased soil erosion for several reasons: 1. Heavy rain can dislodge soil particles and wash them away. 2. Increased water flow in rivers and streams can erode banks. 3. Strong winds can carry away loose topsoil, especially in dry areas. 4. Saturated soil is more susceptible to landslides and mass movements. (c) Red soil needs fertilization for better agricultural productivity. Reasoning: Red soils are typically: 1. Low in organic matter and nutrients, especially nitrogen and phosphorus. 2. Often acidic, which can limit nutrient availability to plants. 3. Prone to leaching of nutrients due to their high iron oxide content. 4. Often found in tropical and subtropical regions with high rainfall, which can wash away nutrients. Fertilization helps overcome these limitations by: 1. Adding essential nutrients to the soil. 2. Improving soil structure and water retention capacity. 3. Neutralizing soil acidity if lime is added along with fertilizers. 4. Enhancing microbial activity in the soil, which aids in nutrient cycling. prashy22533

  ICSE Class X Prelims 2025 : Physics (NES National Public School, Mumbai)
  	the answer is silicon flacky

  ISC Class XII Prelims 2025 : Physics (St. Joseph & Marys School, Kolkata) : St. Joseph and marry school
  	Binding Energy is defined as the minimum energy required to separate the nucleons of a nucleus and to place them at rest at infinity distance apart. 101error

  + 15 more by 101error  

  ISC Class XII Prelims 2025 : Physics (St. Joseph & Marys School, Kolkata) : St. Joseph and marry school
  	μ = 1/ Sin c. where, μ = √2 then, Sin C = 1/ √2 C = 45° 101error

  ISC Class XII Prelims 2025 : Physics (St. Joseph & Marys School, Kolkata) : St. Joseph and marry school
  	(b)  101error

  ISC Class XII Prelims 2025 : Physics (St. Joseph & Marys School, Kolkata) : St. Joseph and marry school
  	(b) moderator is used to slow down the neutrons 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	pair production 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	Binding energy per nucleon is found to be constant for nuclei in the range of mass number(A) as the nuclei in the range of mass numbers between 30 and 170 are stable 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	In a permissible orbit, the angular momentum of an electron is an integral multiple of h/2pi. where h is planck's constant 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	Multiplication factor of a fissionable mass in a nuclear fission is defines as the ratio of the number of neutrons present at the beginning of the present generation to the number of neutrons present at the beginning of the past generation. 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	pair annihilation is the phenomenon in which mass is converted into energy.  one electron and positron pair come together to form two gamma ray photons of 0.51 MeV 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	Microscope is a simple optical instrument used to increase the visual angle subtended by the object on the eye lens 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	No current should flow through the galvanometer 101error

  ISC Class XII Prelims 2024 : Physics : Preboard
  	A. A is +ve and B is -ve and |A| > |B| 101error

  ISC Class XII Prelims 2025 : Chemistry (Contai Public School, East Medinipur)
  	(a) 101error

  ISC Class XII Prelims 2025 : Chemistry (Contai Public School, East Medinipur)
  	(b) +ve and -ve 101error

  ISC Class XII Board Exam 2019 : Physics
  	1/f = (n - 1)(1/R1 - 1/R2)  where, n = 1.5; R1 = 10cm = 0.1m; R2 =  -15cm = - 0.15m; then, 1/f = (1.5 -1)(1/0.1 + 1/0.15)       = 0.5 * (2.5 / 0.15)      and, f = 0.3/ 2.5                = 0.12m = 12cm 101error

  ISC Class XII Board Exam 2019 : Physics
  	The Angle Of Incidence in the given Denser medium for which the Angle Of Refraction in the Rarer medium is 90 degrees is called the critical angle for that given medium. 101error

  ICSE Class X Prelims 2025 : Computer Applications (Ryan International School (RIS) ICSE, Kharghar, Navi Mumbai)
  	b. 8.0 studyserious

  ICSE Class X Prelims 2023 : Physics (GEMS Modern Academy, Dubai) Mock

  Here's a ray diagram showing how a convex lens can be used as a magnifying glass: [This answer would typically include a hand-drawn diagram, but I cannot generate or manipulate images. The diagram would show:] 1. An object placed between the focal point and the lens 2. Three key rays: - A ray parallel to the principal axis, refracting through the focal point on the other side - A ray through the center of the lens, continuing straight - A ray through the focal point on the object side, refracting parallel to the principal axis 3. These rays converging to form a virtual, enlarged image on the same side as the object The diagram demonstrates that when an object is placed within the focal length of a convex lens, it produces an enlarged, upright, and virtual image, which is the principle behind a magnifying glass. abhi278

  + 2 more by abhi278  

  ICSE Class X Prelims 2023 : Physics (GEMS Modern Academy, Dubai) Mock

  Here's a ray diagram showing how a convex lens can be used as a magnifying glass: [This answer would typically include a hand-drawn diagram, but I cannot generate or manipulate images. The diagram would show:] 1. An object placed between the focal point and the lens 2. Three key rays: - A ray parallel to the principal axis, refracting through the focal point on the other side - A ray through the center of the lens, continuing straight - A ray through the focal point on the object side, refracting parallel to the principal axis 3. These rays converging to form a virtual, enlarged image on the same side as the object The diagram demonstrates that when an object is placed within the focal length of a convex lens, it produces an enlarged, upright, and virtual image, which is the principle behind a magnifying glass. abhi278

  ICSE Class X Prelims 2023 : Physics (GEMS Modern Academy, Dubai) Mock

  Here's a well-labelled circuit diagram for verifying Ohm's law: [A simple circuit diagram would be drawn here, including the following components:] - Battery (labeled with + and - terminals) - Resistor (labeled R) - Ammeter (labeled A, connected in series) - Voltmeter (labeled V, connected in parallel across the resistor) - Switch (labeled S) - Connecting wires Key labels: 1. Battery: Source of electrical energy 2. Resistor: Component whose resistance is being measured 3. Ammeter: Measures current flowing through the circuit 4. Voltmeter: Measures potential difference across the resistor 5. Switch: To open or close the circuit This setup allows for measuring current and voltage simultaneously while varying the resistance, enabling verification of Ohm's law (V = IR). abhi278

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	As a duct gland, the pancreas' secretion is a special group of enzymes poured into the duodenum for digestion. As a ductless gland, it has cells called islets of Langerhans. The beta cells in these islets release the hormone insulin. sav4356

  + 18 more by sav4356  

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	The image shows the pancreas, which is both a ductless (endocrine) and duct (exocrine) gland. As an endocrine gland, it secretes hormones directly into the bloodstream, contributing to the overall chemical coordination in the body. These hormones act on their target organs. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	e) A pre-human ancestor could be Australopithecus, Homo habilis, or Homo erectus, among others. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	d) A phytohormone which stimulates the closing of stomata is abscisic acid (ABA). sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	c) The organ of Corti is a structure in the inner ear that contains hair cells responsible for converting sound vibrations into electrical signals. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	a) The scientific name of the organism used to study industrial melanism is Biston betularia. b) A blood disease caused due to gene mutation is sickle cell anemia. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	The organism used to study industrial melanism is the peppered moth (Biston betularia). sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	a) thicker and more rounded. Reasoning: When looking at a close object, the lens in the eye becomes thicker and more rounded. This process is called accommodation. The ciliary muscles contract, allowing the lens to become more convex, which increases its refractive power. This change in shape allows the eye to focus on nearby objects by bending light rays more sharply onto the retina. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	c) Dimpled cheek Reasoning: In humans, dimpled cheeks are a recessive trait. This means that an individual must inherit the gene for dimpled cheeks from both parents to express the trait. Brown eyes, attached earlobes, and thick lips are typically dominant traits, meaning they can be expressed even if only one parent passes on the gene. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)

  After three days, the likely readings on the spring balances would be: Shoot X: 48 grams Shoot Y: 50 grams Explanation: Shoot X has its leaves removed, which greatly reduces transpiration. As a result, it will lose less water and its weight will decrease only slightly. Shoot Y has intact leaves, allowing for normal transpiration. It will lose more water through its leaves, resulting in a greater decrease in weight. The initial weight for both shoots was 50 grams. Shoot X lost only 2 grams (50 - 48 = 2), while Shoot Y lost 5 grams (50 - 45 = 5) due to higher transpiration rates. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)

  c. C Cell C in the diagram represents a stomatal pore or guard cell. Most water evaporates from these cells during transpiration. Stomata are specialized structures on the leaf surface that control gas exchange and water loss. When the stomata are open, water vapor can escape from the leaf interior, driving the process of transpiration. The cells surrounding the stomatal pore (guard cells) regulate its opening and closing, thus controlling the rate of water loss from the leaf. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	b. Progesterone Progesterone is the hormone responsible for maintaining the thickened lining of the uterus after fertilization. It prepares the uterus for potential pregnancy and helps maintain the uterine lining if fertilization occurs. Progesterone levels increase after ovulation and remain high if pregnancy occurs, supporting the developing embryo and preventing menstruation. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)

  b. glucose formed in photosynthesis soon gets converted into starch. Starch is used as a measure of photosynthesis because glucose, the immediate product of photosynthesis, is quickly converted to starch for storage in plants. Starch is insoluble and doesn't move around in the plant, making it easier to detect and measure. This conversion helps maintain a concentration gradient, allowing for continued glucose production during photosynthesis. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	The circular muscles contract When the pupil constricts, it's the circular muscles in the iris that contract. This contraction reduces the size of the pupil, allowing less light to enter the eye. This is part of the pupillary light reflex, which helps regulate the amount of light reaching the retina. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)

  c. Days 13 - 16 Based on the graph shown, ovulation is most likely to occur around day 14 of the menstrual cycle. The graph shows a sharp peak in the hormone levels around this time, which corresponds to the LH surge that triggers ovulation. The fertile window typically extends a few days before and after ovulation, so days 13-16 represent the period when a woman is most likely to ovulate. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	a. 25% When two heterozygous plants (Aa x Aa) are crossed, the possible genotype combinations of the offspring are: AA (25%), Aa (50%), aa (25%) Only the aa genotype is homozygous recessive, which occurs in 25% of the offspring. This can be visualized using a Punnett square: A a A AA Aa a Aa aa Therefore, the probability of an offspring being homozygous recessive is 25%. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)

  a. Both A and R are true, and R is the correct explanation for A. The assertion that testes are located outside the human body is correct. The reason given - that sperm need a lower temperature for maturation - is also true and directly explains why the testes are positioned externally. Sperm production and maturation occur optimally at a temperature slightly below normal body temperature, which is achieved by the scrotum's position outside the body cavity. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)
  	X, X, XX The correct sex chromosomes shown in the image are: Egg: X Sperm: X Fertilized egg: XX This combination results in a female embryo. The egg always contains an X chromosome, while the sperm can carry either X or Y. When an X-carrying sperm fertilizes the egg, the result is XX, which determines a female offspring. sav4356

  ICSE Class X Prelims 2025 : Biology (Jamnabai Narsee School (JNS), Mumbai)

  c) C The structure that refracts light in the human eye is the lens, which is labeled as C in the diagram. Reasoning: The lens is a transparent, flexible structure in the eye that changes shape to focus light onto the retina. It refracts (bends) incoming light rays to create a clear image. The other labeled parts in the diagram have different functions: A - likely refers to the cornea, which also helps refract light but is not the main refractive structure B - appears to be the iris, which controls the amount of light entering the eye D - is likely the retina, which detects light and converts it into neural signals The lens (C) is the primary structure responsible for adjusting the focus of light as it enters the eye, making it the correct answer for which structure refracts light. sav4356

  ICSE Class X Prelims 2025 : English Paper 2 (English Literature) (Dhirubhai Ambani International School (DAIS), Mumbai)

  c. It changed societal views about physical traits. Reasoning: Based on the context provided in the question, Adjoa's win seems to have challenged and changed existing societal perceptions about physical traits. In many traditional societies, certain physical characteristics are often associated with specific abilities or roles. Adjoa's victory likely demonstrated that physical appearance or traits do not necessarily determine one's capabilities or potential for success. This achievement would be significant in a village setting as it could help break down stereotypes and encourage a more inclusive and open-minded approach to judging individuals based on their abilities rather than their appearance. idkwhoiam07

  ICSE Class X Prelims 2023 : Computer Applications (Karnataka ICSE Schools Association KISA, Bengaluru)
  	itll execute 5 times gagan669

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