EdgeAcad

                 Human Nervous System 1) Central Nervous System(C.N.S). 2) Peripheral Nervous System(P.N.S) 3) Autonomic Nervous System(A.N.S) C.N.S- Brain and spinal cord P.N.S- Cranial Nerves and spinal nerves. A.N.S- Ganglion cells that help involuntary action. Brain •It is a delicate organ present in a bony box called Cranium. •Cranium protects the brain from injury and mechanical shocks. •Brain has three membranes: Arachnoid, Pia mater and dura mater. •The fluid-filled b/w the membranes is Cerebrospinal Fluid. • Brain has two hemispheres Called Cerebral hemispheres joined by Corpus Callosum The brain has classified into three parts 1) Forebrain 2) Midbrain  3) Hindbrain Forebrain three parts • Hypothalamus  • Cerebrum • Olfactory Cerebrum- It is the centre of thinking, memory, intelligence, Learning, reasoning and creativity etc. Olfactory- It has a centre of smell. Midbrain It is a centre of visual (seeing) and auditory (liste...

Movement   The Movement is defined as the body parts of the plants moving towards the stimulus. Stimulus Any external factor like light, water, chemical etc. that plant parts responds to. • Plant shows movement only, no locomotion. Phototropism- Photo+tropism= light When a plant's parts show a response toward the light is called Phototropism. Positive Phototropism The stem shows positive phototropism or grows above the soil in the direction of the sun. Negative Phototropism Roots show negative phototropism as they grow below the soil away from the sun. Plant movement 1- Trophism 2- Nastic   1- Trophism  a) Phototropism- Light Ex- Sunflower b) Hydrotropism- water Ex- Roots tve hydrotropism stems ve hydrotropism c) Geotropism- Gravity Ex- Roots Geotrophism Roots ve Geotropism d) Chemotropism- chemical Ex Movement of pollen tubes towards the ovary. e) Thigmotopism- touch Ex- Tendril of money plant 2- Nastic a) Photonastic- light Ex (i)Dandelion (Daylight) (Morning flowe...

                 Structure of nephron 1) Glorerucless 2) Bow Man's capsule 3) Proximal Convoculated tubeless (PCT) 4) Loop of Henle a) Ascending b) Descending 5) Distil C.T 6) Collective tube The function of nephron/urine concentration 1) Ultrafiltration 2) Selective Reabsorption 3) Secretion 1) Ultrafiltration The glomerulus filters the deoxygenated blood into oxygenated blood and transports it back out of the kidney. 2) Selective Reabsorption The different parts of the nephron absorb different materials. P.C.T.- 80% water, glucose, salt Ascending loop of Henle- Urine Vasorecta- Glucose, amino acids D.C.T- Facilitated absorption of 20%water with the help of hormones. 3) Secretion Excess waste is secreted out of getting the kidney. 4)Micturition  The process of throwing urine out of the body through the Urethra is called micturition. This action is Controlled by Lorain. Urine • The human urine is yellow due to Bilruvin secreted by the li...

Q what kind of a person do you think the narrator is a veterinary surgeon? Would you say he is Artful as well as full of common sense? Ans The narrator seems to be a practical perum with lots of common sense. He is helpful to others as well. The way he treats tricky without a single medicine tells VS about his common sense more over the way he shares eggs, wines & brandy sending miss Pumphrey with his staff, and tells VS about his practised mindset. Q Do you think. I was happy to go home. what do you think will happen now Ans The way the trick jumps in its owner's lap and away shows affection towards the owner and indicates that tricky is happy to go home. Either Mrs Humphrey will want her ways & more trick on agile & healthy dogs or she may go back to her old ways of spoiling trick habits. Q Do you think this is a real-life episode or more fiction? Or fiction or a mixture of both. Ans This can be anything. This can be a real-life story fiction or a mixture of both. Q T...

Rearrange the following words and phrases to form meaningful sentences, first has been done for you. 1) extremely/a/Gries/it/is/that/matter/unkindly/ animals/are exploited. Ans it is an extremely a matter of grief that animals are exploited unlikely. 2)killed/theyare/beaten/chained/and/merchilily/trained Ans they are beaten chained trained and killed merchilily. 3) their/need/but/hears/and pays/ nobody/to cry. Ans but nobody hears and to their cries. 4)Sand/auxiliaries/animals /necessary/are hour/and survival/ for you Ans animals are our friends, auxiliaries and necessary for our survival Q5 animals/matters/one visions /world should be/welfare Ans our vision should be a world animal welfare matter.

You are Vikrant, a student of class 10th resident of Mumbai. You are interested in learning french during your summer vacations. write a letter to the director of languages learning Institute Colaba, asking him about the various courses offered by the institute for Franch learners during summer vacation. A-49, Colaba Mumbai 10th March 2022 The Director Languages Learning institute Colaba, Mumbai Subject: Enquiry regarding French classes in the summer vacation Sir,        I am a student of class 10th resident in South Mumbai. I came across your advertisement in today's daily newspaper. I am interested in learning French during my summer vacations and would like to know about the beginner's course offered by you in the months of April - June. Kindly send me the detailed information about the course along with the brochure of your Institute. You can send the information by post or at my email address Vicky xx 97@gmail.com. Also, send me the looking forward to your corre...

The influence of friends can have both positive and negative impacts on the students. write a letter to the editor of a national daily in 100-120 words. discussing how we can make it more positive and productive you are Arun Arun 24 Mall Road, Chennai. 24 Mall Chennai 12 April, 22 The Editor The times of India New Delhi Subject: Influence of friends Sir,        Through the columns of your newspaper. I wish to draw the attention of the readers towards the increasing influence of friends on the life of youngsters there days. We wear a lot of youngsters referring to "Peer Pressure" that affecting Friendship these Days friendship is a valuable relationship. It establishes a strong bond between two human beings. nowadays stress has become a part, a good friend helps to reduce stress levels. A good friend will also be there. whenever come is in trouble. Contrary, the influence of a friend can be disastrous. one can develop vices like drinking betting etc. To be one among h...

There is an error in each line. Find the error &Write the correct word. 1) once there was the Guru communicated. 2) wisdom to people that.  come for his 3) Darshan with flowers or fruits. one 4) day, all the offerings were in plenty, he 5) called the discipline & asked him to 6) cut fruits and oranges for their 7) distribution of Prasad. A discipline 8) reported to a guru that all was ready 9) for distribution or asked him to distribute 10) our country can become a heaven 11) for tourists. It has the  rich cultural 12)heritage, accident movement for Incorrect 1) the 2) that 3) or 4) all 5) the 6) their  7) A 8) a 9) or 10) became 11) the 12) for Correct 1) a 2) who 3) and 4) as 5) a 6) the 7) The 8) the 9) and 10) become 11) a 12) of

Q1 What did lencho hope for? Ans Lencho had hoped for a down four or shower for a good harvest. Q2 why did lencho say the raindrops were like 'new coins,? Ans lencho is sad that the raindrops were like new coins as his crops were ready for harvest. He hoped that the rain would bring him prosperity. Q3 How did the rain change? What happens to Lench's fields? Ans The rains Changed into hailstones as a strong wind began to below and along with the rain very large hailstones began to fall. All the crops in lencho's field were destroyed. Q4 What were Lencho's feelings when the hail stopped? Ans lencho's soul was filled with sadness. he was worried about the lack of food for the coming year he was full of sorrow. Q5 who or what did lencho have faith in? what did he do? Ans lencho had faith in a God. there he wrote a letter to god expressing his need for hundred pesos so that he could sow his field again and live until the crops grow again. Q6 what did the postman do then?...

Q1 How does the tiger walk in the cage? How is he? Ans The Tiger walks into the cage stalking He is quite angry due to this imprisonment in the cage. He is helpless due to the iron bars of the cage. Q2 What does the poet think where should the tiger be? Ans The poet thinks that the tiger should be in the forest or the Jungle lurking in the shadow of long grass to prey on the pump deer near the water hole. Q3 why do you think the tiger looks at the stars? Ans The tiger feels very hopeless in the cage. He stares with hope at the stars shining in the sky. The stars provide him soft comfort. Q4 How does the tiger behave at night? Ans The tiger is inside his cage. He is just helpless. He can't escape from it. He walks into it. He hears the last voice of the patrolling cars at night.

 Q1 what does the military generate do? how has their attitude changed, and why? Ans the military generals discharge their duty. They owe allegiance to their country. they do their duties as per the military provisions. Q2 why did Such a large number of international leaders attend the inauguration?  what did it is a signific triumph? Ans A large   number of international leaders attend the inauguration to pay their respects. It signified human the triumph of human freedom and democracy. it also signified the importance of political Independence. Q3 How did Mandela's Hunger for freedom 'change his life.? Ans Mandel's Hanger for freedom 'change him into a great man, statesman and a Bisel he works day and night for it he Underwent physical and mental tortures. It  was for obtaining freedom for his people. Q4 what does the author say of the country at the beginning of the opening of his oath-taking speech?  what promise does he make? Ans The author thanks all ...

Q1 Do you think people like Anil and Hari Singh are found only in fiction or are there such people in real life? Ans I think People like Anil and Hari Singh are found in real life also, But their number is very - very small. Q2 Do you think it is a significant detail in the story that anil is a struggling writer? Does this explain his behaviour in any way?  Ans It is a significant detail in the story that anil is a struggling writer. He gets little money and gets some from time to time shows this. Then he has a heart of gold as most writers have when they get money, They spend it lavishly. they are, in fact, the gems of humanity.   Q3 Have you met anyone like Hari Singh? Can you think and imagine the circumstances that can turn a fifteen-year-old boy into a thief? Ans Yes, I have also met a boy like Hari Singh. I think the circumstances make one a thief. For example, If one's family has sources of livelihood its members can't be a thief. But If it is a family of thieves, the ...

Tissue A tissue is a group or collection of similar cells which work together to achieve Particular and have a common origin. Blood, Phloem, and muscles are all examples of tissue. • Study of tissue is called histology. Importance of tissue • Formation of tissue held brought about division labour of a multicellular organism. • Tissue becomes organised to form organs and organs into the organs system. • Workload of individual cells has decreased due to the origin of tissue. • As a reset of improved organization a higher efficiency, multicellular organisms have higher curvier. Difference between plants and animals tissue:-   Plant tissue • Dead supportive tissue is abundant. • They require less maintenance in energy. • Organisation of plant tissue is simple. • Plants continued to grow throughout life.     Animal tissue • In multicellular animals living tissue is more abundant. • They require more maintenance energy. • Organisation of Animal tissue is complex. • Animal does ...

The serval stores files and information in the form of a website. This website contains millions of web pages. A web page contains text, images audio, videos or elimination. How does a web page create? A Web page is created in HTML. HTML is the widest used language to create web pages. HTML and Its Capabilities HTML stands for hypertext markup language it is a simple markup language that describes the structure layout and behaviour of a web container. It enables you to markup text so that it can function as hypertext this makes the text more attractive and dynamic. History of HTML HTML started its journey in 1980 with GML (General markup language) in 1986 this language was modified and named SGML (Standard general mark of language) in 1989, Tim brothers lee and His team Redesigned it and named it HTML. HTML5: This is the latest version of HTML. Writing HTML DOCUMENTS Creating an HTML Document be required basic 2 tools. 1) Editor Editor for creating and saving the documents. 2)Browser T...

Excretion The process of removal of waste from the body is called Excretion. Ex- skin -Sweating Excretion in plants Stomata= Gaseous exchange Stem - lenticels =Waste Excrete Excretory system in Human 1) Kidneys 2) Ureter 3) Urinary bladder 4) Urethra Kidneys 1) A pair of kidneys are present below the ribs by the side vertebrae. 2) Each Kidney is bean-shaped. 3) Outer kidney is known as the cortex. 4) Inner kidney is known as the medulla.  5) Each kidney has a gland on the apex called the adrenal gland. 6) Each kidney is made up of millions of nephrons. 7) The main function of the kidney is the filtration of blood. Ureter These are the tube-like structure that carries urine from the kidney to the urinary bladder. Urinary bladder A triangular pouch that stores urine for some time before passing it out. Urethra - Opening to pass urine.

        Transportation in plants 1 In Plants transportation is done by xylem and phloem. 2 Collectively they are called conducting tissue. Conduction of water 1 Root hairs firstly absorb water from the soil by simple diffusion. 2 Root transport water to the element of the xylem. Element of Xylem Tracheids          (conduction of water)        Vessel Parenchyma    (Food Storage) Fibres                (Protection) Transpirational Pull Theory 1 During water conduction.    Stomata lose excess water from stomata by  the process of transpiration. 2 Due to transpiration a Section is created in the Xylem, that pulls the water and transports it to the leaves. The human circulatory system is made up of the heart, blood and blood Heart 1 Human heart is switched Central of the chest cavity. 2 The heart is tilted towards the left to provide space for the liver. 3 Human He...

Respiration The breakdown of glucose in the presence of oxygen to release energy is called respiration. TYPE OF RESPIRATION 1- Aerobic respiration 2-Anaerobic respiration Aerobic respiration - In mitochondria, the glucose is broken down to release a large amount of energy in the presence of oxygen. Anaerobic respiration -In crypto plasma, the glucose is broken down in the absence of oxygen. Glycolysis  The conversion of glucose into 2 pyruvic acid or pyruvate is called glycolysis. Respiration in plants  Plants do not have a special system for respiration. It has different Organs.   Leaves- stomata Roots-    Root hairs Stem-     Lenticels Respiration in animals Animals have well-developed organs for respiration. Porifera- Body Surface Cockroach - Spiracles Frog- Gills, lungs & skin Fish- Gills Human- lungs Human respiratory system  Nostril A pair of nostrils help in the Conduction of air. The hairs and Mucus help infiltration of air. Nasal...