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Showing posts from February, 2023

CURRENT AFFAIRS || 27 February, 2023

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                      CURRENT AFFAIRS                   27 February, 2023 1. CSC Academy and NIELIT have signed a Memorandum of Understanding (MoU) to enhance  digital literacy and skill development in India. 2. The Tawazun Council signed 11 deals, worth Dhs5.8bn ($1.579bn), on the third day of the  International Defence Exhibition (IDEX) and the Naval Defence Exhibition (NAVDEX) 2023. 3. GST revenue reached second highest mop-up in January: The second-highest mop-up since the  GST was instituted in July 2017 for goods and services tax collection was Rs 1.56 trillion in January  2023. 4. The Pradhan Mantri Kisan Samman Nidhi Yojana (PM-KISAN) completed 4 years on 24 February  2023. It was launched by Prime Minister Modi on 24 February 2019. 5. Prime Minister Narendra Modi inaugurated the ‘Barisu Kannada Dim Dimava cultural festival at  Talkatora Stadium in De...
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SEXUAL REPRODUCTION IN FLOWERING PLANTS || Revision Notes Class 12 Boards || Last Minute Revision Notes

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                    SEXUAL REPRODUCTION IN FLOWERING PLANTS  • Sexual reproduction is the process of development of new organisms from two parents through fusion of male and female gamete.  • The flower is the main structure concerned with reproduction. The reproductive organs or the sporophylls are produced within the flowers.  • The sporophylls are of two types microsporophylls (stamen) and megasporophylls (carpel)  • Carpel is distinguished as ovary bearing ovule, style and stigma.  • Stamen is distinguished as filament, anther and connective • The whole process of sexual reproduction in flowering plants can be divided into three steps:-  i) Pre-fertilization  ii) Double fertilization  iii) Post-fertilization PRE-FERTILISATION: STRUCTURE AND EVENTS The pre-fertilization events can be studied under following points:-  i) Pollen grain formation  ii) Embryo sac formation  iii) Pollin...
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CURRENT AFFAIRS || 24 February, 2023

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                 CURRENT AFFAIRS                   24 February, 2023 1. Seattle becomes first city in US to ban caste discrimination: Seattle created history by becoming the first US city to pass an explicit ban on caste-based discrimination. 2. Kerala High Court publish Judgement in Regional Language: The Kerala High Court published two  of its most recent decisions in Malayalam, making it the first high court in the nation to do so. 3. The Chief of the Naval Staff Adm R Harikumar visited INS Nireekshak at Kochi where he interacted  Cairo in Egypt. The 14-year-old Tilottama Sen won the second bronze for India.the salvage operations. 4. Rajeev Singh Raghuvanshi has been appointed as the new Drug Controller General of India  (DCGI), Central Drugs Standard Control Organization (CDSCO). 5. UK surpasses India as the world’s sixth-biggest equity market: UK has surpassed India as the ...
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Object Oriented Programming In C++ (CPP) || Programming in C++

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           Object Oriented Programming In C++ (CPP)                                   Programming in C++ Introduction to C++  • C++ programming language developed by AT&T Bell Laboratories in 1979 by Bjarne Stroustrup. C++ is fully based on Object Oriented Technology i.e. C++ is ultimate paradigm for the modeling of information.  • C++ is the successor of C language.  • It is a case sensitive language. Character Set- Set of characters which are recognized by c++compiler i.e Digits (0-9), Alphabets (A-Z & a-z) and special characters + - * , . “ ‘ < > = { ( ] ) space etc i.e 256 ASCII characters. Tokens- Smallest individual unit. Following are the tokens • Keyword - Reserve word having special meaning the language and can’t be used as identifier.  Identifiers -Names given to any variable, function, class, union etc. Naming convention (ru...
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Vistas Chapter-4 (The Enemy) || Revision Notes Class 12 Board Exams

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                                            Vistas                                         Chapter -4 ( The   Enemy ) The story is written with the backdrop of the Second World War. It brings out the sad plight of a prisoner of war and also deals with the conflict that a' doctor couple faces because of sheltering an enemy.  Dr. Sadao, a Japanese surgeon finds a wounded American soldier on the beach near his house. He is unable to throw him back though he was his enemy as he was a doctor and his first duty was to save a life. Hana, his wife, though initially reluctant because it was dangerous for all including the children to keep the enemy in the house, joins her husband in operating and nursing the enemy soldier back to health, even though the servants desert the house....
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Vistas Chapter-2 The Tiger King || Revision Notes Class 12 Board Exams

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                                            Vistas                                           Chapter -2                                      The Tiger King   “The Tiger King” is a story of an arrogant King who disproved the prophecy of the astrologer, but destiny proved to be powerful and the prediction which was made when the king was ten days old comes out to be true. The Maharaja Sir Jilani Jung Jung Bahadur was called “Tiger King”. When he was just 10 days old he asked intelligent questions to the astrologers and was told that he would be killed by a tiger. He uttered “Let tigers beware!” No other miracle took place, the child grew like any other Royal child drinking whit...
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REPRODUCTION IN ORGANISMS || Revision notes || CHAPTER 1 || Class 12 || Biology || ASEXUAL REPRODUCTION || SEXUAL REPRODUCTION

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                                              CHAPTER 1                           REPRODUCTION IN ORGANISMS Reproduction is an important biological process by which an organism gives rise to another organism similar to itself.  • Reproduction enables the continuity of the species generation after generation. It results in formation of genetic variation. This genetic variation is inherited during reproduction.  • Reproduction involving a single parent is called asexual.  • Reproduction involving two parents of opposite sexes with the fusion of male and female gametes is called sexual reproduction. ASEXUAL REPRODUCTION   • In asexual reproduction, only a single parent is involved in producing offspring. As a result, the off-spring produced are identical to each another as well as to the pa...
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CURRENT AFFAIRS 17 February, 2023

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                CURRENT AFFAIRS                   17 February, 2023 1. Defence Minister Rajnath Singh launched the ‘iDEX Investor Hub’ (iIH), under which more than Rs.  200 crores had already been pledged by leading Indian investors. 2. Prime Minister Narendra Modi inaugurated the National Aadi Mahotsav on 16th February 2023 at Major Dhyan Chand National Stadium, New Delhi. 3. Karnataka Bank was awarded with ‘Prathista Puraskar’ under ‘Digidhan Awards 2021-22’ by Ministry of Electronics and Information Technology (MeitY). 4. According to a latest report by specialist in geolocation technologies TomTom, Bengaluru’s traffic has made it the second slowest place to drive through in the world in 2022. 5. The Indian Institute of Technology (IIT) Indore Students won AED 1 million by winning the gold medal at the World Government Summit in Dubai. 6. The Ministry of Tourism has identified four pilgrim...
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Write a C++ program to print the bill of various items. Including GST

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 #include <iostream> #include <vector> #include <string> #include <ctime> class Item { public:     std::string name;     int quantity;     float price;     Item(std::string name, int quantity, float price) : name(name), quantity(quantity), price(price) {} }; class Invoice { private:     std::vector<Item> items;     float gst;     float total; public:     Invoice() : gst(0.15) {}     void addItem()     {         int n;         std::cout << "Enter the number of items: ";         std::cin >> n;         system("clear");         for (int i = 0; i < n; i++)         {             std::string name;             int quantity;             float...
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CURRENT AFFAIRS 16 February, 2023

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                CURRENT AFFAIRS                    16 February, 2023 1. Science Center and Planetarium will be constructed in Kota, Rajasthan. The Science Center and  Planetarium will be one of the best science centers and planetariums in the world. 2. Paytm Payments Banks Limited (PPBL) has launched Unified Payments Interface (UPI) LITE,  enabled by National Payments Corporation of India (NPCI) for multiple small-value UPI  transactions. 3. ICICI Bank and BNP Paribas have signed an initial pact to cater to the banking requirements of  European corporates operating in India and Indian companies in the European Union. 4. The Indian Institute of Technology (IIT) Indore Students won AED 1 million by winning the gold  medal at the World Government Summit in Dubai. 5. NewSpace Research, a Bengaluru-based start-up has delivered SWARM drones to Indian Army,  which makes the A...
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CURRENT AFFAIRS 10 February, 2023

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              CURRENT AFFAIRS                 10 February, 2023 1. SpaceX intends to fire up all 33 of its engines before launching its massive Starship launch system  into orbit for the first time. 2. Minister of Ayush Sarbananda Sonowal and Union Minister of Health and Family Welfare Dr.  Mansukh Mandaviya jointly inaugurated the Integrative Medicine Centre at Safdarjung Hospital. 3. Visva-Bharati University was founded by Rabindranath in 1921. It will soon receive the UNESCO  ‘heritage” tag. This will allow it to be the first university of living heritage. 4. Defence Ministry inks pact with L&T: Ministry of Defence inked a contract with Larsen & Toubro  (L&T) for the purchase of 41 indigenous modular bridges for the Corps of Engineers of the Indian  Army. 5. Gary Ballance, who represented England 42 times across all three formats, scored a superb  century for Zimbabwe ...
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CURRENT AFFAIRS 09 February, 2023

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              CURRENT AFFAIRS                 09 February, 2023 1. A 13-year-old girl, Natasha Perianayagam won the title of “world’s brightest” student. Natasha Perianayagam, an Indian American, was named to the list compiled by the Johns Hopkins Center. 2. The Yuva Sangam registration portal was launched in New Delhi. The Yuva Sangam is an initiative of Prime Minister Narendra Modi. 3. The Sculpture Park at Bikaner House in New Delhi was inaugurated by Rajasthan Chief Secretary Usha Sharma. Sculpture Park showcases a fusion of modern and contemporary art and culture. 4. UnCrave, the plant-based meat brand by Licious, unveiled popular comic, actor, and musician Vir Das as its Brand Ambassador. 5. Edelweiss General Insurance has rebranded itself as Zuno General Insurance Limited (Zuno GI), which is a new age digital insurer with an aspiration to reimagine and redefine Insurance to make it easy. 6. LeBron Jame...
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CURRENT AFFAIRS 08 February, 2023

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            CURRENT AFFAIRS                 08 February, 2023 1. France defender Raphael Varane is retiring from international football, ending a 10-year career  with Les Bleus in which he won the World Cup in 2018 and was a runner-up four years later. 2. Prime Minister Narendra Modi dedicates to the nation the Hindustan Aeronautics Limited (HAL) helicopter factory in Karnataka’s Tumakuru. 3. The Kerala government announced a scheme of Rs 200 crore for developing green hydrogen  hubs at Trivandrum and Kochi. Kerala aims to become a 100 percent renewable energy-dependent state by 2040. 4. Vice President Jagdeep Dhankhar inaugurated the 36th Surajkund International Crafts Mela at Faridabad, Haryana. He urged everyone to consider locally produced handicraft items. 5. Australia’s longest-serving captain in the shortest format of the game, veteran batter Aaron Finch called time on his international career. 6. Uni...
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Write a Python program to print three numbers in Descending Order.

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 a=int(input("Enter first number:")) b=int(input("Enter second number:")) c=int(input("Enter third number:")) max=mid=min = None if a>b and a>c:     if b>c:         max,mid,min=a,b,c     else:         max,mid,min=a,c,b elif b>a and c>a:     if b>c:         max,mid,min=b,c,a     else:         max,mid,min=c,b,a else:     if c>a:         max,mid,min=c,a,b     else:         max,mid,min=b,a,c print("The Descending order of three no. is:", max,mid,min)
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QUANTUM NUMBERS (Principal, Azimuthal, Magnetic and Spin)

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                  QUANTUM NUMBERS  Orbitals represent regions in the space around the nucleus where the probability of finding the electron is maximum. A large number of electron orbitals are possible in atom. These can be distinguished by their size, shape and orientation of the orbitals. To describe each electron in an atom in different orbitals, we need a set of three numbers known as quantum numbers. These are designated as n, l and m. In addition to these three numbers another quantum number is also needed which specifies the spin of the electron. These four numbers are called quantum numbers. These are discussed below: 1. Principal quantum number (n) :  This quantum number determines the main energy shell or level in which the electron is present. It is denoted by n. It can have whole number values starting from 1 such as n = 1, 2, 3, 4 ... This quantum number also identifies as shell. The shell with n 1 is called the first sh...
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Diagonal Relationship between Beryllium and Aluminium || Relation between Beryllium and Aluminium

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  Diagonal Relationship between Beryllium and Aluminium The ionic radius of Beryllium (Be 2+) is estimated to be nearly 31 pm; the charge/radius ratio Or e/m ratio is nearly the same as that of the Al 3+ ion. Hence beryllium resembles aluminium in these ways. Some of the similarities are given below: » Like Aluminium, Beryllium(be) is not readily attacked by acids H+ donor because of the formation of an oxide film on the surface of the metal by reacting with oxygen, i.e. they are rendered passive by nitric acid. » Beryllium hydroxide[[Be(OH)4]2] dissolves in excess of alkali to give a beryllate ion, [ Be(OH)4]2– just as aluminium hydroxide[Al(OH)3] gives aluminate ion, [Al(OH)4] » The chlorides of metals beryllium and aluminium have Cl– bridged chloride structure in vapour phase. Both the chlorides are soluble in organic solvents and are strong as Lewis acids They are used as Friedel Craft catalysts. » Beryllium(Be) and aluminium(Al) ions have strong tendency to form complexes, (Be...
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Math question

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A tower, x metre, has a flagstaff at its top. The tower and flagstaff subtends equal angles at a point distant y metre from the foot of the tower. Then find the length of the flagstaff ( in metre). 
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Solar System, Planets, Moons, Asteroid Belt,Kuiper Belt and Oort Cloud, Comets and Meteoroids

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 The solar system consists of the Sun, which is a star at its center, and all the celestial bodies bound by its gravitational pull. These bodies include planets, moons, asteroids, comets, and other objects. Key Components of the Solar System: The Sun : The Sun is the center of the solar system and contains about 99.86% of its mass. It is a star primarily composed of hydrogen and helium, providing the heat and light that sustains life on Earth. Planets : There are eight recognized planets in the solar system: Mercury : The closest planet to the Sun, known for extreme temperature variations and no atmosphere. Venus : Similar in size to Earth but with a thick, toxic atmosphere and surface temperatures hot enough to melt lead. Earth : The third planet from the Sun, the only known planet to support life, with water and a breathable atmosphere. Mars : Known as the Red Planet, it has a cold, dry surface and signs of past water. Jupiter : The largest planet, a gas giant, w...
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