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June 2024

Class 11 Biology notes

The Living World Class 11 Biology Notes-CBSE

The Living World-Class 11 Biology Notes On This Page Introduction Key Concept Hierarchy of Taxonomic Categories Detailed Examples of Taxonomic Categories Understanding the Taxonomic Hierarchy Summary  List of Practice Questions   Introduction: The living world showcases an incredible diversity of organisms.  Organisms are found in many habitats: mountains, deciduous forests, oceans, freshwater lakes, deserts and hot springs. Salient Features of Living Entities: Growth  Reproduction Metabolism  Mortality Ability to sense the environment Self-Organize  Key concept:   1.1 Diversity of the Living World Observation: A wide range of living things, from visible plants and animals to microscopic creatures, are present in our surroundings. Species: There are 1.7–1.8 million known species now, with each unique type of organism representing a species. Biodiversity: Refers to The quantity and variety of living things on Earth. Nomenclature: The standardization of organism names through the use of systems such as the International Code of Zoological Nomenclature (ICZN) for animals and the International Code for Botanical Nomenclature (ICBN) for plants to prevent misunderstandings. Binomial nomenclature: Developed by Carolus Linnaeus, this system assigns a two-part Latin name to each creature, which consists of the particular epithet and the genus (Mangifera indica for mango, for example). Rules: Names must be written in italics and Latin. A capital letter appears at the beginning of the first word (genus); the second word (species) starts with a small letter. The name of the author who described the species appears at the end. (e.g., Magnifera indica Linn.) Classification & Taxonomy:  Classification means grouping of organisms based on observable characteristics. Taxa (singular: taxon) are the units or categories in the biological classification system used to organize and classify living organisms based on shared characteristics. Based on characteristics, all organisms can be classified into different taxa. This process of classification is taxonomy. Hierarchy of Taxonomic Categories:   Classification is not a single-step process but involves a hierarchy of steps, in which each step indicates a rank or category. Species: The basic unit of classification. A group of similar organisms capable of interbreeding. Example: Homo sapiens (Humans). Genus: A group of related species sharing common characteristics. Example: Panthera (Includes lions, tigers, leopards). Family: A group of related genera. Example: Felidae (Includes lions, tigers, and domestic cats). Order: A group of related families. Example: Carnivora (Includes Felidae and Canidae). Class: A group of related orders. Example: Mammalia (Includes Primates and Carnivora). Phylum (Division for Plants): A group of related classes. Example: Chordata (Includes all vertebrates). Kingdom: The highest taxonomic category. Groups all living organisms into broad categories. Example: Animalia (All animals), Plantae (All plants).  Detailed Examples of Taxonomic Categories:      Recommended Contents ICSE class 10 Maths Mock Paper Super Senses Class 5 Notes CBSE EVS Chapter 1  NCERT Solutions for Class 5 English Chapter 1 Ice Cream Man The Living World Class 11 Biology Notes-CBSE Best Trick to Learn Periodic Table Common Name Biological Name Genus Family Order Class Phylum/Division Housefly Musca domestica Musca Muscidae Diptera Insecta Arthropoda Mango Mangifera indica Mangifera Anacardiaceae Sapindales Dicotyledonae Angiospermae Wheat Triticum aestivum Triticum Poaceae Poales Monocotyledonae Angiospermae Man Homo sapiens Homo Hominidae Primata Mammalia Chordata Understanding the Taxonomic Hierarchy: Hierarchy Structure: As one moves from species to kingdom, all share fewer traits. Higher taxa include a greater diversity of creatures, while lower taxa share more traits. Applications of Taxa and Categories:  Taxa: Groups at various levels of the hierarchy (for example, within the Canidae and Felidae families, dogs and cats belong to separate taxa). Categories: Broad classifications that comprise multiple subcategories (e.g., Kingdom or Phylum).     Mnemonics to Learn Taxonomic Categories:  King(Kingdom) Philip(Phylum) Calls(Class) Out(Order) For(Family) Good(Genus) Soup(Species)  Summary: The diversity of the living world is immense, with millions of plants and animals known to exist and many more unidentified. We must describe the traits of living things in light of their diversity in size, color, environment, and features. Taxonomy, the set of guidelines and regulations for the identification, nomenclature, and classification of organisms, was created by biologists to aid in studying this diversity. Important Points: Taxonomy is the field of study that deals with identifying, naming, and classifying organisms. Application: Understanding bio-resources and applying taxonomic studies to agriculture, forestry, and industry might be beneficial. International codes are set standards for taxonomy that guarantee precise naming and identification. Binomial Nomenclature: Based on similarities and differences, each creature is given a scientific name consisting of two words. Taxonomy Classifications (Taxa): A taxonomic hierarchy is formed by the several ranks into which organisms are categorized.   We can better comprehend and arrange the enormous diversity of life on Earth thanks to taxonomy. List of Practice Questions for The Living World-Class 11 Biology Notes:    1) Give the unit of Classification?Ans) Rank or Category is the unit of Classification.  2) Who gave the Binomial name of classification?Ans) The binomial name of classification was given by Carolus Linnaeus  3) Name the highest categories of classification?Ans)  The kingdom is the highest category of classification.  4) What are the three codes of nomenclatures? Ans) The three codes of nomenclature are the International Code of botanical, zoological & bacteriological nomenclature.   5) Define species.Ans) Species are members who can interbreed to produce fertile offspring.   6) Difference between species & taxon? Ans) 1. Species is the basic taxonomic category, whereas, taxon is the level of taxonomic category.         2. Species is a rank, whereas, taxon.is one that has certain biological characteristics.  7) What is a taxon? Ans)Taxon is “A unit of classification of organisms which can be recognized and assigned a definite category at any level of classification”. Best Home Tutor in Bhubaneswar BOOK FREE DEMO Join our WhatsApp channel for more updates Join Now

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Best Trick to Learn Periodic Table

Best Trick to Learn Periodic Table

Best Tricks to Learn Periodic Table Introduction: Are you also surfing the internet to find “Best Tricks to Learn Periodic Table” then you are on right page. When it comes to chemistry, the periodic table is fundamental and for every science student, it is important to learn the periodic table. We know it is not easy to memorize the periodic table. In this Blog, we are presenting some short trips & tricks that will help you memorize all the elements. Periodic Table Quick Facts Dmitri Mendeleev, a Russian chemist, is considered the “Father” of the Periodic Table. Mendeleev arranged elements in horizontal rows and vertical columns of the table in order of increasing atomic weights. The elements are arranged in such a way that elements with the same properties lie in the same vertical columns or groups. The horizontal rows (Mendeleev called them series) are called Periods. The vertical columns are called Groups. The majority of the elements in the periodic table are Metals. Metals reside on the left side of the table, whereas, non-metals reside on the right side of the table. Hydrogen(H) is the first element and oganesson(Og) is the last element.   Best Tricks to learn Periodic Table Like a Parrot!   Now let’s start learning to memorize elements along each group or period. Here are Mnemonics for you to remember the periodic table easily. Group/Periods Mnemonics in Hindi Periodic Table Elements Group-1 Hanji(H) LiNa(Li,Na) ne Ki(K) Rab(Rb)Csey(Cs) Fariyad(Fr) H, Li, Na, K, Ru, Cs, Fr Group-2 Beta(Be) Mange(Mg), Car(Ca) Scooter(Sr) Baap(Br) Raazi(Ra) Be, Mg, Ca, Sr, Br, Ra Group-13 Began(B) Aloo(Al) Gajar(Ga) In(In) Thela(T) B, Al, Ga, In, Ti Group-14 Con(C) Si(Si) Geeta(Ge) Sneha(Sn) Prabha(Pb) C,Si,Ge,Sn,Pb Group-15 Na(N) Pi(Pi) Aise(As)  Sabke(Sb) Bich(Bi) N, Pi, As, Sb, Bi Group-16 Ooo(O) Style(S) Se(Se) Tepo(Te,Po) O, S, Se, Te, Po Group-17 Faltu(F) Class(Cl) mein Boring(Br)Instructor(I) Aata(At) hai F, Cl, Br, I, At Group-18 Heena(He) Neena(Ne) Aur(Ar) kareena(Kr)ka X-ray(Xe) Rangeen(Rn) He, Ne, Ar, Kr, Xe, Rn Period-4 Scary(Sc) Tiny(Ti) Vicious(V) Creatures(Cr) may(Mn) Fear(Fe) Cows(Co)& Nice(Ni) Cute(Cu) Zebras(Zn) Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn Period-5 Yes(Y) Zebras(Zr) Never(Nb) But Most(Mo) Technicians(Tc) Run(Ru) Rhymes(Rh) Purely(Pd) Sweet(Ag) & Cute(Cd) Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd Period-6 La(Lu) HafTa(Hf) Tu(Tu) Warna(W) Re (Re) Us (Os) Iron rod(Ir) se Pitega(Pt) Aur (Au) Hospital(H) JAeega(g) Lu, Hf, Tu, W, Re, Os, Ir, Pt, Au, Hg Period-7 Accountant(Ac) R(Rf) D(Db) Sharma(Sg) ki Book(Bh) Mein Hain(Hs) Maths(Mt) ke Darawane Sawaal(Ds) Ac, Rf, Db, Sg, Bh, Hs, Mt, Ds Additional Tips on : Keep practising consistently as the periodic table is the foundation of chemistry. Mastery of the periodic table can greatly help you enhance your understanding of elements and application of complex concepts. Remember practice makes a person perfect. In this Blog, we have tried covering all the important groups and periods of the periodic table and provided you with mnemonics for each so that the periodic table becomes fun to learn. Recommended Contents Best Trick to Learn Periodic Table Time Table for students Top 10 Tips on how to to study effectively​ FAQs on Best Ways to Learn Periodic Table? Name the most reactive element in the periodic table The most reactive element in the periodic table is fluorine (F). Name the least reactive element in periodic table  The least reactive element in the periodic table is helium (He). Name the smallest element in the periodic table The smallest element in the periodic table is hydrogen (H) Name the largest element in the periodic table The largest element in the periodic table is francium (Fr) Best Home Tutor in Bhubaneswar BOOK FREE DEMO Join our WhatsApp channel for more updates Join Now

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Study Time Table for students

Time Table for students

Study Time Table for Students On this Page: Introduction  Importance of Study Time Table for students Study Time Table for students General Tips while following the Timetable Introduction: Ever thought about why toppers shine so brightly? Well, simply, a well curated Study Time table for students with correct execution can make them a topper too!In This article, we will provide a timetable for you all so that you also become a topper of your class. Before we begin to discuss “Study Time Table for Students”. Let’s discuss why a smart timetable is important and why you need it. Importance of Study Time-Table for students: Time Table is important for any child’s academic success. A well planned time table is important for students in: 1) Time Management2) Prioritizing tasks 3) Decreases Procrastination4) Reduces Stress Following a timetable helps you stay focused, and stress-free and increases productivity. Study Time table for students: If you also want to follow the timetable mentioned below. (Note- We have considered the school hours while creating the timetable. If in your case the school hours differ then change things accordingly) TIME ACTIVITY 7:00 AM – 8:00 AM Wakeup and get ready for school 8:00 AM – 3:00 PM School hours 3:00 PM – 4:00 PM Have Lunch and Take rest 4:00 PM – 6:00 PM Tuitions Or Self Study 6:00 PM – 6:30 PM Rest or Snacks Time 6:30 PM – 8:00 PM Study Session-1 (Cover hard Subjects) 8:00 PM – 9:30 PM Homework and study session 2 (Review and easier subjects) 9:30 PM-10:00 PM Bedtime General Tips while following the timetable: Try to be consistent as much as you can. Take regular breaks as mentioned in the time table to relax your mind to avoid burnout. Stay active to avoid procrastination. Do yoga, breathing exercises, cycling to stay healthy. Adjust the time table according the priority and workload. Remember toppers are not born they are made. Proper discipline and determination can help you also to be the one. Recommended Contents Time Table for students Top 10 Tips on how to to study effectively​ FAQs on Study Time Table for Students? Is this time table enough to make me score good in exams? Yes, being consistent with this timetable and studying seriously during the study hours can help you score well in your exams. How can I stick to the timetable consistently? Set realistic and achievable goals so that your confidence boots every time you complete a task. Break your tasks into smaller chunks so that you don’t feel burned out. Can an average student become a topper? Yes, an average student can be a topper too. Remember toppers are not born they are made. You just need to be disciplined and consistent with your studies. Do toppers study whole day? No, Toppers don’t study all day. It’s important to note that toppers focus more on quality study compared to quantity of hours. Best Home Tutor in Bhubaneswar BOOK FREE DEMO Join our WhatsApp channel for more updates Join Now

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Study effectively

Top 10 Tips on how to to study effectively​

Top 10 Tips on how to study effectively On this Page: Create a study schedule Find a good study environment Try Active Learning Weekends for revision Try creative study methods Maintain Balance Practice Self-Care Stay Motivated Ask for Help Be Consistent Studying seems to be overwhelming but with the right strategies you can make study sessions more productive and less stressful. Here are 10 awesome tips for you to excel in your studies. 1. Create a study schedule:            Allocate specific time for each subject. Focus on the most difficult and important topics more when your energy levels are at their highest. Don’t create a hectic schedule, make one that is achievable to boost your confidence. Divide your study schedule into small blocks with achievable targets and during each study block remain focused. Avoid multitasking to maximize your concentration. Consistency is crucial for building good study habits. Try to stick to your study schedule as closely as possible. 2. Find a good study environment: Creating a calm environment is important to maintain focus and maximize productivity. Make sure your space is clean, organized and well-lit. Keep all the distractions away; the biggest distraction these days is smartphones. To avoid distractions by your smartphones, firstly, keep them in silent mode. Additionally, several apps in the Play Store such as Flipd can help you avoid distractions by blocking your notifications. 3. Try Active Learning: Active learning is a dynamic and engaging way to study compared to traditional methods of learning. One such method of active learning is summarization, where you complete each topic and then write the summary in your own words. Additionally, teaching others is a great way to grasp any concept, when you explain to someone you solidify your concepts and fill in the gaps in your knowledge. 4. Weekends for revision: After studying for an entire week, it’s essential to keep weekends light so that you don’t get overwhelmed. On weekends, you should just focus on revising whatever you studied the entire week. Make a revision plan and revise each topic thoroughly. While revising, mark out your weak points so that you can go through those points repeatedly to avoid mistakes in your exam.  5. Try creative study methods: Try study methods that are fun and engaging. Some of the creative methods are: Group Discussions: Group discussions are a fantastic way to deepen your understanding of a subject through collaboration and the exchange of ideas. Mind Maps and Visual Diagrams: Use colours, images, and connecting lines to create visual representations of concepts and relationships between ideas. Flashcard Games: Turn flashcard review sessions into games like “Memory,” “Jeopardy,” or “Quiz Bowl.” Creative Mnemonics: Invent mnemonics using rhymes, acronyms, or vivid imagery to help remember information. 6. Maintain Balance: Schedule your study sessions properly and take frequent breaks between your study sessions to avoid burnout. Try study techniques such as the Pomodoro technique(25 minutes of study followed by a 5-minute break) to maintain focus during your study hours. Incorporate relaxation exercises such as stretching, deep breathing and short walks to freshen your mind. 7. Practice Self-Care: Practising self-care is crucial for maintaining optimal mental and physical well-being, especially after intense studying hours. Here’s how you can prioritize self-care: Sleeping Well: Ensure you get between 7-9 hours of sleep each night to freshen your mind and body for the challenges of the day ahead. Eat Healthily: Fuel your brain with nutritious foods that sustain energy throughout the day. Eat a lot of veggies and fruits. Stay hydrated by drinking plenty of water to support overall well-being. Exercise Regularly: Do physical activity such as cycling, racing and yoga to boost your energy levels. 8. Stay Motivated: Stay motivated by using your goals and study space as your source of inspiration. Place motivational quotes around your study area to remind yourself of the objectives you’re working towards. Embrace a “can-do” attitude and believe in yourself to overcome any obstacle.  Look out for apps in the Play Store that track your progress and study hours one such app we recommend is Forest. Keeping track of your progress can help you stay motivated and accountable. 9) Ask for Help:  If you are struggling with any topic or concept don’t panic. It is essential to understand that seeking assistance is not a sign of weakness but rather a proactive step. By addressing your areas of weakness you can enhance your performance and achieve better results in exams, assignments, and assessments. Take advantage of publicly available resources such as teachers, classmates, public groups and books. 10) Be Consistent:  Lastly, the key to success is Consistency. It’s not just about creating a study schedule but also following it by heart. Whenever you just feel like giving up, remember why you started.   Recommended Contents Time Table for students Top 10 Tips on how to to study effectively​ FAQs on how to study effectively? What should I do if I’m struggling with a topic? Don’t panic; seek help from teachers, classmates, public groups, and NCERT books. Addressing weak areas will improve your overall performance. How can I stop Procrastinating? Stop procrastinating by setting clear goals, creating a distraction-free study schedule, and prioritizing tasks. Use techniques like the Pomodoro method and hold yourself accountable for consistent focus and productivity. What is active learning and how can it help? Active learning involves engaging with the material, such as summarizing topics in your own words or teaching others. It helps solidify concepts and identify gaps in your knowledge. Can creative study methods improve my learning? Yes, methods like group discussions, mind maps, flashcard games, and creative mnemonics make learning more engaging and help retain information better. Best Home Tutor in Bhubaneswar BOOK FREE DEMO Join our WhatsApp channel for more updates Join Now

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