Critical And Creative Thinking (CCT) - Practice Assessment .

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Critical and Creative Thinking (CCT) - Practice Assessment Vfor classes VII to XGENERAL INSTRUCTIONS:1.This paper consists of 8 units with 30 questions as follows:i. Reading Literacy - 1 unit, 10 questions. (Q No. 1-10)ii. Mathematical Literacy - 5 units, 10 questions. (Q No. 11-20)iii. Scientific Literacy - 2 units, 10 questions. ( Q No. 21-30)2.All questions are compulsory.3.All answers must be written on a sheet of paper. Write your name, class & roll number on it. Divide the paper into two columns by drawing a vertical line in the middle. Write question no. and only the letter corresponding to the correct choice ofMCQ type questions. In case of short answer questions, answer briefly in a few words/sentences.4.Each question is of 2 credits. Scoring for each will be as follows:i. Full Credit - 02ii. Partial Credit - 01iii. No Credit – 005.Please write the answers neatly and legibly.6.After completing the paper, click a picture of your responses and send it to yourclass teacher (or from whom you received the question paper) via WhatsApp.

Classes 7-10Total 30 questionsCritical and Creative Thinking (CCT) Practice-VApril 2020UNIT 1: SPARROWS – HERE TODAY, GONE TOMORROW?Read the following:1. What were once upon a time seenin millions throughout the country,are today seen only in certainpockets of India? House sparrows.Why so? Conclusively, there havebeen no studies to identify theexact cause behind the suddendecrease in their numbers, butstudies conducted in Jharkhand,India have pegged the decrease insparrow count to be an alarming 80percent. And lest you may assume,this is not limited to India alone!2. There are a variety of reasonsbehind the declining sparrowcount; with some pointing fingersat the architecture of modernhouses which leaves little space fornesting sites. Add to it the decreasein shrub vegetation areas as welland the result is a drastic loss inhabitat. Excessive use of pesticidesin agriculture is another cause, as itcauses a decrease in reproductiveefficiency of the sparrows byinfecting their egg sheaths and itsdiet, since the chief diet ofsparrows is seeds, cereals andinsects which in turn are the directvictims of pesticide usage.3. Sparrows are known to besedentary birds that usually do notprefer undertaking long flights.However, with the advent ofmobiletelephonyandthecorresponding erection of mobiletowers any and everywhere hasmade the sparrows an unwittingprey to technology. Mobile towersare known to emit radiation in thefrequency of 900 to 1800 MHzwhich not only harms the thinchick skull and sparrow eggs, butalso confuses and disorients thesparrow’snavigationalskills.Sparrows are rarely, or rather neverfound in areas having mobiletowers.4. The Nature Forever Society (NFS)wasfoundedby anIndianconservationistMohammedDilawar. He started his workhelping the house sparrows inNasik. Emphasizing the cryingneed to conserve house sparrows,Dilawar said, “The indifferencecaused by a lack of emotionalconnect has pushed these birds tothe edge of extinction.”5. The NFS started an internationalinitiative to celebrate World1

Classes 7-10Total 30 questionsSparrow Day. This was firstcelebrated on 20 March 2010. Afterthat, every year this day wascelebrated all over the world toraise the awareness about housesparrows and other common birdsaffected by the environment. In2012, the sparrow was adopted asthe state bird of Delhi.Question 1:Based on the passage above, match column A with column B.There is one extra statement in column BColumn AParagraph nos.12345a)b)c)d)Column BCentral idea(i) Predatory tech(ii) A resourceful enterprise(iii)Recognizing the need(iv) A cause for concern(v) Purposeful technocrats(vi) The grounds for the problem1.-iv, 2.-vi, 3.-i, 4.-v, 5.-ii1.-iii, 2.-ii, 3.-iv, 4.-v, 5.-i1.-iii, 2.-ii, 3.-vi, 4.-iv, 5.-i1.-iv, 2.-vi, 3.-i, 4.-iii, 5.-iiQuestion 2:Match the following collective nouns with the animals and then tick the correct optioni. murder1234ii. clowdera) 1.-i, 2.-ii, 3.-iii, 4.-ivd) 1.-iv, 2.-iii, 3.-ii, 4.-iiii. caravaniv. schoolb) 1.-i, 2.-ii, 3.-iv, 4.-iiic) 1.-iv, 2.-ii, 3.-i, 4.-iii2

Classes 7-10Total 30 questionsQuestion 3:Choose the option that completes the given paragraph by correctly using five of the seven given phrasesfrom the text–(i) crying need, (ii) here today, gone tomorrow, (iii) pegged the decrease, (iv) an unwitting prey, (v) theadvent of, (vi) certain pockets (vii) lack of emotional connect.The small artisans and crafts-persons of India have been to industrialization. There are in most regional communities that have, for generations, relied solely on weaving, handicrafts, etc. as aprimary source of income. So, it is safe to say that there is a . to now support these artisansespecially, in the face of a ready availability of machine-made products, imported items, and a general .with our own culture. If things continue this way, the future truly looks bleak for our localartisans – they could well be .a)b)c)d)vi, vii, ii, i, iviv, vi, i, vii, iiiii, vii, i, vi, iiii, vi, ii, vii, ivQuestion 4:Based on your reading of the passage, complete this sparrow’s plea for survival.Record your answers/responses--a) to e), againstthe correct question no. onyour sheet.(a) (b) (c) (d) .(e) .3

Classes 7-10Total 30 questionsQuestion 5:The text states that the World Sparrow Day is celebrated all over the world(i)because . (ii)inorderto Question 6:The following is today’s Delhite’s response to the fact that the sparrow was adopted as the state bird ofDelhi as far back as 2012.Rearrange the following words to make sense of the response.DELHI’S STATE BIRD, / A RARE SPECIES/ THAT DESPITE/ IS TODAY, / BEING/ IT IS/ INTHE/ THE HOUSE SPARROW/ IRONICAL, / CAPITAL . . . Question 7:Complete the following statement by choosing the correct option.Mohammed Dilawar is a conservationist. Such a person is one whoa) manages natural habitats including parks, forests, and rangelandsb) favors traditional views and valuesc) is driven by a set of over-arching beliefs and ideologyd) advocates for the protection and preservation of the environment and wildlife.Question 8:Choose the option that is NOT true according to the text.a) Sparrows rarely undertake long flightsb) The house sparrow is the state bird of Delhic) Sparrows are often found perching on mobile towersd) Sparrows are now visible only in some pockets in the countryQuestion 9:List the possible reasons for the decline in the sparrow population? . . . . .4

Classes 7-10Total 30 questionsQuestion 10:Pesticides infect the egg sheaths of the sparrows. Based on your understanding of what a ‘sheath’ is, choosean option which lists the illustration/image that uses a sheath.a)b)c)d)Image (i)Image (ii)Image (iii)Image (iv)Cont. . .5

Classes 7-10Total 30 questionsUNIT 2: EQUABLE SHAPESAn equable shape is a shape that has the same numerical perimeter and area.NOTE: (i)The figures are NOT TO SCALE. (ii) Lengths in figures are given in centimeters.Question 11:Which one of the following is an equable shape? Choose the correct optiona) Figure Ab) Figure Bc) Both Figure A and Bd) Neither Figure A and B(A)(B)Question 12:If the given rectangle is an equable shape, then the value of y isa)b)c)d)1.1 centimeters10 centimeters2.5 centimeters4.5 centimeters6

Classes 7-10Total 30 questionsUNIT 3: PARCEL BY COURIERIn Zedland, couriering a parcel costs (i) 3.25 zeds per kg and (ii) a fixed pick-up service charge of 5 zeds.Shyleja sends some books weighing ‘w’ kg.Question 13Which of the following equation below show the correct relationship between courier charge, ‘C’ and theweight, ‘w’?a) C 5 3.25 wb) C 5 3.25 wc) C 5 3.25 wd) C 3.25 5 wQuestion 14If Shyleja paid 57 zeds, the weight of her parcel wasa) 10.75 kgb) 15 kgc) 16 kgd) 12.5 kgQuestion 15Iqbal, Cherian and Rahul are close friends. On Rahul’s birthday, Iqbal sent him a photo frame, andCherian sent him a chess set. The weight of the photo frame was 4 kg more than that of the chess set. Howmuch more did Iqbal pay for couriering his parcel than Cherian?a) 10 zedsb) 11 zedsc) 12 zedsd) 13 zeds7

Classes 7-10Total 30 questionsUNIT 4: ENTERTAINMENT FAIRMalavika visits an entertainment fair in Zedland where various gaming companies have set up theirstalls with lots of games. Guidelines at the entertainment fair are as follows:I.II.III.IV.V.VI.VII.VIII.There is only one cash counter, which is located near the entrance to the fair.No cash transaction is allowed at any stall. Players can pay for the games using Gold cards(worth 20 zeds) or Silver cards (worth 10 zeds).Players can purchase the cards (as many as they want) only from the cash counter.A player can use either a Silver card or a Gold card to play any game once.If a player wins a game played using a Silver card, the Silver card will be replaced with a Goldcard.If a player wins a game played using a Gold card, the Gold card will be returned to the playerand a new Silver card will be given as a reward. Both the Gold and Silver cards can be used forfurther games.However, if the player loses a game, the card used for the game will be forfeited.Players can obtain cash refund for their cards at the cash counter. The refund value of a Silvercard is 8 zeds and that of a Gold card is 18 zeds.Malavika paid 30 zeds and bought one Gold card and one Silver card. She used both the cards in the firststall and won both the games. She did not want to repeat playing in the same stall. She took all the cardsshe got from the first stall and used them in the second stall. She won all the games in the second stall too.She again took all the cards she got from there and used all of them in the third stall. She continued this inthe subsequent stalls.Question 16If Malavika won every game she played, the number of cards of each type she will have with her when shecomes out from the third stall area) 5 Gold and 3 Silver cardsb) 3 Gold and 3 Silver cardsc) 5 Gold and 2 Silver cardsd) 3 Gold and 5 Silver cards8

Classes 7-10Total 30 questionsQuestion 17The amount of money she will get if she redeems all the cards she has after visiting the fourth stall is (shewins all the games in the fourth stall as well)a) 166 zedsb) 176 zedsc) 184 zedsd) 192 zedsUNIT 5: GARMENT STORELeela went to a small garment store with her son. She wanted to buy an outfit for him. In the garmentstore, she found two types of shirts: Formal and Denim. There were 3 choices for formals and 4 choicesfor denims. There were two types of pants: Jeans and Formal, with 2 choices for each of them.Question 18If any shirt can be worn with any pair of pants, the number of ways Leela can select an outfit for her sonarea) 20b) 24c) 26d) 28Question 19Leela decides to select either a formal shirt with a pair of formal pants (not with jeans) or a denim shirtwith a pair of jeans (not with formal pants). The total number of ways she can select the outfit now are :a) 12b) 14c) 16d) 209

Classes 7-10Total 30 questionsUNIT 6: SMART DEALA shopkeeper sells pizzas by the slices charging Rs. 50 per slice. He has two types of pizzas one round with30 cm diameter, divided into 10 pieces. Another pizza square in shape with side 30 cm divided in to 12pieces.Question 20Anjana bought the slice of round pizza and Sanjana opted for square slice. Who got a better deal? And bywhat quantity?a) Sanjana, approximately 4 cm2b) Anjana, approximately 4 cm2c) Sanjana, approximately 5 cm2d) Anjana, approximately 5 cm2Cont. . .10

Classes 7-10Total 30 questionsUNIT 7: FINDING THE WAYBy the 15th century, people on ships and boats solved the problem of finding out what direction they weresailing in and, perhaps even more importantly, what direction they needed to go to get back home. Beforethat time, sailors rarely ventured out of sight of land and instead relied on visible landmarks to get fromplace to place. This limited traders and navies to routes close to shore, but the invention of the compasschanged all that.The magnetic compass contains a magnetic element that aligns itself with the earth’s magnetic field.Think of the earth as a big magnet. It has two magnetic poles, oriented north and south that are very closeto the geographic North and South Poles. When a magnet or a magnetic element (such as the minerallodestone or a ferrous metal that has been magnetized) is allowed to float freely, it will effectively pointnorth and south, thus showing you which direction you are going in relation to that axis.Question 21The compass always point towards the north. Which one of the following is the correct explanation forthis?a) The Earth is a magnet and therefore it attracts the metallic needle of the compass.b) The magnetic needle of the compass aligns itself with the Earth’s magnetic field.c) The Earth’s south pole does not have a magnetic pull hence the compass points towards thenorth.d) The needle of the compass always points in the upward direction.Question 22From the image above what can you say about the direction of the magnetic field of the earth. The answerhas been started for you; complete it in terms of geographical north and south poles.The magnetic lines of force of the earth emerge .11

Classes 7-10Total 30 questionsQuestion 23The image above shows how iron fillings arrange themselves around a magnet. Based on thearrangement and density of the iron fillings which portion(s) of the magnet have the maximumstrength?a)b)c)d)center of the magnet.North pole.South pole.North and South poles.Question 24Saba has 3 metal bars. To understand if they are magnets or not, she undertakes a small experiment andholds the ends of the bars close to one another. The results of this experiment are plotted below.VWXBARBAR 2YZ1BAR 3Results:End V (of Bar 1)End V (of Bar 1)End V (of Bar 1)End V (of Bar 1)End W (of Bar 2)End X (of Bar 2)End Y (of Bar 3)End Z (of Bar 3)AttractsRepelsAttractsAttractsFrom the result above, conclude which bar(s) is/are magnetic? Give reason for your response.12

Classes 7-10Total 30 questionsQuestion 25Yogesh takes a magnetic compass in the lab and tries to show how it works to his friends. But, it does notwork well in the laboratory. It just swings to and forth. He then takes it out in the field and it startedworking. What do you think could be the possible reasons for this?.UNIT 8: GREEN INVADERSThe residents of Nanganallur and Adambakkam wanted to revive an environment park onAdambakkamEri. The lake needs to be desilted and deepened and a bund is to be formed for a walkers’path. Moreover, steps are to be taken to prevent the discharge of sewage through storm water drains andthe dumping of garbage on the lake bunds. The environmentalists say that invasive species like waterhyacinth have clogged this water body. Also, the discharge of sewage into the lake has resulted in thegrowth of unwanted plants. This is blocking the air-water interface, thereby reducing the dissolved oxygenin the water and killing a lot of fish. The water bodies clogged by the invasive species also become abreeding ground for mosquitoes. The State Government has been requested to expedite the works for thisat the earliest.Question 26:When an alien species (plant or animal) that does not belong to an ecosystem is introduced, it spreads andcompetes with the native plants for space and nutrients and becomes problematic in the absence ofnatural enemies. These intruders are called invasive alien species.What are the ill effects of an invasive species like water hyacinth?i.ii.iii.iv.Blockage of sunlight from reaching native aquatic plants.Starving the water of carbon dioxideDomination and phasing out of fish and other native species.Change in the water quality with respect to the dissolved oxygen and the water pH due to releaseof CO2 .Starving the water of oxygen.Desilting of the water bodyAn increase in algae blooms, mosquito infestation due to dense matting and decreased water flow.v.vi.vii.a)b)c)d)i , ii, iii, iv, vi, iii, v, vii, iviii, v, vi, viiiii, iv, v, vi13

Classes 7-10Total 30 questionsQuestion 27:Which one of the following is NOT an indicator of the degradation of a water body?a)b)c)d)Increased transparencyDecreased species diversityIncreased sedimentationDecreased oxygen concentrationQuestion 28:There was a news headline in the local newspaper which said “Invasive species are the largest threat tothe animal population”.Based on the data given above, complete the conclusion stated below:Conclusion:As per the data, the headline is .because, the two major threats to animal populationare .Question 29:Which characteristics of a species would make it more likely to become invasive?i.ii.iii.iv.v.vi.vii.CharacteristicsFast Growth.Slow Growth.Rapid Reproduction.High Adaptability.Slow Reproduction.Sensitivity to changes in available food and nutrientsin the habitat.Tolerance of a wide range of environmentalconditions.14YesNo

Classes 7-10Total 30 questionsQuestion 30:Raghav wants to undertake a survey to support the hypothesis “Non-native invasive plants make it difficultfor native plants to grow.” The steps that are required are listed below, but in a jumbled order.i.As per your observation, make a note of the number of species that are suspected to be invasive inthis area.If possible, compare with spaces that do not have any invasive species.Identify or earmark an area for study.Note the time for the growth (in size as well as numbers) of invasive species which grow veryrapidly over the other species.Read about invasive species from books, newspapers and online resources.Take careful tour of the area to locate invasive plants by using images from books and newspapers.Observe the death/ diminishing of some native species.Identify native and invasive plants of the locality/ surrounding area.ii.iii.iv.v.vi.vii.viii.a)b)c)d)i, iv, vii, ii, v, iii, vi, viiiii, iii, v, viii, i, iv, vi, viiv , viii, iii, vi, i, iv, vii, iiv, viii, i, vii, ii, iv, iii, vi***15

Write your name, class & roll number on it. Divide the paper into two columns by drawing a vertical line in the middle. Write question no. and only the letter corresponding to the correct choice of MCQ type questions. In case of short answer questions, answer briefly in a few words/sentences. 4. Each question is of 2 credits.

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