DELHI PUBLIC SCHOOL, SAIL TOWNSHIP, RANCHI ASSIGNMENT ‐ VIII ENGLISH I. Make three words from each of the words given below. You can combine the letters in different ways but cannot add any new ones. 1) PREPARATORY Clues - (a) a talking bird -----------------(b) a portion - ---------------(c) the head of Roman Catholic church - ----------2) COMPENSATION a) to bring one’s foot down with force - --------------b) it is dangerous to board a train while it is in - ---------------c) after retirement a person gets - ---------------3) DISCOURAGEMENT a) to rub out - --------------b) a small river - ----------c) extreme anger - --------------4) FORTNIGHT a) Father is returning - --------------b) these shoes pinch because they are - ----------------c) another word for scare - -------------------II. The following proverbs have got jumbled up. Separate them and rewrite each one correctly. i) Don’t look a gift horse that wears the crown. ii) A rolling stone saves nine. iii) Birds of a feather are the mother of invention. iv) Those who live in glass houses are worth two in a bush. v) Necessity is that gathers no moss. vi) A bird in hand flock together. vii) A stitch in time should not throw stones at others. viii) Uneasy lies the head by the mouth. [8] III. Read the following passage carefully and select the most suitable option from each list according to the corresponding number in the passage. Touch is a brisk game, and may be played by any number of children. One of the players is chosen as Touch, this player runs after the other players till she can touch another player, who subsequently becomes Touch, Sometimes it is held as a law that Touch shall have no power over those who can touch iron or would. The players then, when out of breath, rush to the nearest iron or wood they can find, to render themselves secure. 1. Which of the following is the opposite in meaning to brisk as used in the passage? (a) alert b) sluggish c) lively d) sharp. 2. Which of the following could best replace subsequently? (a) then b) at short notice c) later d) never 3. Which of the following could replace held as a law? (a) programmed b) decided c) believed d) carried 4. Which of the following could replace power as used in the passage? (a) skill b) influence c) ability d) authority 5. Those could be replaced by (a) all the players other than Touch (b) Touch and other player c) Touch d) Everybody 6. Which of the following could replace touch? (a) a player in the game b) excite c) lay a hand on d) affect 7. Which of the following is the correct spelling of the word would? (b) wood (b) wud c) would d) wold 8. Which word could replace out of breath? a) choking (b) breathless c) anxious d) thirsty DELHI PUBLIC SCHOOL, SAIL TOWNSHIP, RANCHI CLASS: VIII MATHEMATICS 1. Rakesh’s income 25% more than that of Rohan. What percent is Rohan’s income less than Rakesh’s income? 2. x is 5% of y, y is 24% of z. if x = 480. Find the values of y and z. 3. If a man were to sell his hand – cart for Rs. 720, he would loss 25%. What must he sell it for to gain 25%. ଵ 4. What sum will become Rs. 9,826 in 18 months if the rate of interest is 2 % per annum and the interest ଶ is compounded half - yearly. ଵ ଵ ଵ (ii) x - = 3, find the values of x2 + మ and x4 + ర 5. Find the value of x if (i) 4x = (52)2 – (48)2 6. Simplify: (i) (x – y) (x + y) (x2+y2) (x4+y4) ௫ (ii) 1.73 × 1.73 – 0.27 × 0.27 ௫ ௫ GENERAL SCIENCE PHYSICS 1. An iron chain is to be electroplated with copper. Draw a self explained labelled diagram for it. 2. Virtual image cannot be projected on a screen. Justify it with the help of a diagram. 3. ‘O’ and ‘P’ are the two point sources of lights in front of a plane mirror as shown in the figure. Draw the ray diagrams to find the Nature, size and the position of the images. CHEMISTRY 1. Write any four characteristics of an ideal fuel. 2. Calorific value of wood is 18,000 kJ /kg. How much wood is required to produce heat energy of 108000 kJ? 3. ‘Burning of fossil fuels causes pollution’ Comment on the above statement. Give 4 reasons to support your answer. 4. Draw a well labeled diagram ( coloured) to show the different zones of a candle flame. BIOLOGY 1. What is “Project Tiger”? 2. Write the location and important animal of the following:Name Location Animal i) Kaziranga National Park ----------------------ii) Simlipal sanctuary ----------------------iii) Dachigam sanctuar ----------------------3. What is “hermaphrodite”? give one example. 4. What is difference between fertilized and unfertilized egg? Should we eat fertilized egg? SOCIAL STUDIES HISTORY 1. Why did Mahatma Gandhi think that English education had enslaved Indians? 2. John and Colebrooke felt that the study of the ancient texts would help ‘the Bretish in becoming the guardians of the Indian culture as well as its master’ Explain? 3. How did Jyotirao the reformer the justify then criticism of caste inequality in society? CIVICS 1. What are the D.K.Basu guidelines laid down by the Supreme Court for the police to follow? 2. Write a note on the following:(a) Fair Trial (b) Public Prosecutor 3. Economic marginalization and social marginalization are interlinked why? GEOGRAPHY 1. Differentiate between an agricultural farm in India & in USA. 2. Why agriculture is a primary activity in India? 3. Name the factors that are responsible for the agricultural development of a country. 4. Why tea and coffee are mostly grown along the hill slopes? Why do the rice and jute need similar type of climatic requirement and soil conditions? 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