IIT/PMT FOUNDATION ACADEMY Common Practice Test 20 CLASS VII (FOUNDATION) 08/10/2017. Time: 90 Minutes Maximum marks: 260

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1 NARAYANA IIT/PMT FOUNDATION ACADEMY Common Practice Test 2 CLASS VII (FOUNDATION) 8/1/217 Time: 9 Minutes Maximum marks: 26 Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose. INSTRUCTIONS A. General: 1. This booklet is your Question Paper containing 59 questions. 2. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers, and electronic gadgets in any form are not allowed to be carried inside the examination hall. 3. The answer sheet, a machine readable Objective Response Sheet (ORS), is provided separately. 4. DO NOT TAMPER WITH / MUTILATE THE ORS OR THE BOOKLET. B. Filling the ORS 5. On the lower part of the ORS, write in ink, your name in box L1, your Registration No. in box L2 and Name of the Centre in box L3. Do not write these anywhere else. 6. Write your Registration No. in ink, in the box L4 provided in the lower part of the ORS and darken the appropriate bubble UNDER each digit of your Registration No. with a good quality HB pencil. C. Question paper format: 7. This question paper contains three sections. Section A (Scholars section): Physics (Q.No.1 to 8) Chemistry (Q. No. 9 to16), Biology (Q.No.17 to 24), Mathematics (Q.No.25 to 39), MAT (Q. No. 4 to 47). (In section A +4 for correct answer & -1 for each incorrect answer. Total marks 47x4 = 188 marks) Section B (Achievers section): Physics (Q.No.48 & 49) Chemistry (Q.No.5 & 51), Biology (Q.No.52 & 53), Mathematics (Q.No.54 to 59) (In section B marks +6 for correct answer & -2 each incorrect answer. Total marks 12 x 6 = 72 marks.) Section C (Subjective Home Assignment) : Each subject there will be 5 question. Very short answer type 2 question of 1 mark, Short answer type 2 question of 2 marks, Long answer type 1 question of 5 marks. (This section will not be answered in examination hall. It will be submitted by the students next day of the exam on separate register and will be signed by the respective subject faculties.) 8. Use OMR Sheet for answering NARAYANA IIT/NEET ACADEMY DELHI, NCR & OTHERS Kalu Sarai : 47 B, Kalu Sarai, Near Hauzkhas Metro Station, New Delhi 1116 Ph.: , Punjabi Bagh : 15, Central Market, West Punjabi Bagh, New Delhi 1126 Ph.: /52/53 Mayur Vihar : 32/E, Patparganj Village, Mayur Vihar Phase I, Near Ahlcon Int. School, Delhi Ph.: /52 Janakpuri : A-I/171-A,Near Pillar No. 615, Janak Puri, New Delhi 1158 Ph.: /24/25 Dwarka : Vikas Surya Arcade, Unit No-21, Plot No. -8, Sector 11, Above State Bank India, Near Ashirwad Chowk, Dwarka, New Delhi Ph.: /25 South Ext : E-14, 3 rd & 4 th Floor, South Extension Part - II, New Delhi 1149 Ph.: , /32 Rohini : /D 12, Sector 8, Sai Baba Chowk, Rohini,New Delhi 85,Ph.: /98/99. Pitampura : 373, 3 rd floor, Near Kohat Enclave Metro Station,Pitampura, Delhi 34, Ph. : Kingsway Camp : 92 94, 2 nd floor, Mall Road, Near GTB Metro station Kingsway Camp, Delhi 9, Ph.: Dilshad Garden : 1 st Floor, (Above HDFC Bank), F 1, Dilshad Colony, Delhi 95, Ph.: Gurgaon : C-1/B, Old DLF Colony, Sector 14, Near Kalyani Hospital, Gurgaon Ph.: / Faridabad : SCO 27, 2 nd Floor, Sector 16, Near Milan Sweets, Faridabad Ph.: / NOIDA : C-56 A/21, Mohan International School, Sector 62, Noida (U. P.), Ph : Aligarh : 2 nd floor, Nikjay Plaza, Samad Road, Center point Aligarh (U.P) Ph : , , Patna : 28, Sisodia Palace, Near Gorakhnath complex, Boring canal Road-81. Ph: , , Dhanbad : Subhala Enclave, Behind Radha Swami Arcadde, Sarai Dehla, Dhanbad, Jharkhand. Ph: /93, /68 Jamshedpur : 1 st floor, Seagull Apartment, Near Bengal Club, Sakchi, Jamshedpur, Jharkhand. Ph: /6, Aurangabad : 28, NK Plaza Manjeet Nagar, opp. Akashwani signal, Jaina Road, Aurangabad, Maharashtra 4311 Surat : Plot No. 43/44, office-23, off level Div-B1, Surya Kiran Apartment, God Dod Road, Surat Ph: , 32366, 4361 Chandigarh : SCO Ground floor, Sec-34A Chandigarh Ph

2 SECTION-A (SCHOLAR SECTION) PHYSICS 1. The method of charging a conductor without actually bringing it in contact with another charged body is known as (A) charging by induction (B) charging by conduction (C) Both (A) and (B) (D) None of these 2. The method of charging is: (A) Conduction (B) Induction (C) Both (A) and (B) (D) None of these 3. Electric current is (A) Flow of charge per unit time (B) Work done per unit time (C) Resistance per unit time (D) All of the above 4. Conventionally the direction of the current is taken as: (A) The direction of flow of negative charge (B) The direction of flow of atoms (C) The direction of flow of molecules (D) The direction of flow of positive charge 5. Who discovered that when a compass needle is kept nearer to an electric circuit in which current is flowing, it deflects (A) Hans christion Oersted (B) Michael Faraday (C) Galileo (D) Newton 6. In which of the following conditions, amount of heat produced in a current carrying wire, will increase? (A) When amount of current passing in the wire is increased (B) When amount of current passing in the wire is decreased (C) When the terminals of the wire are changed (D) None of these 7. Unit of current is- (A) Ampere (B) Coulomb/sec (B) Both (A) and (B) (D) Volt 8. If you place a compass near a current carrying wire, the needle will (A) get deflected (B) get charged (C) get hot (D) glow brightly CHEMISTRY 9. Water has maximum density at (A) 1 C (B) C (C) 4 C (D) 1 C 1. Water is a unique substance because: (A) it is colourful (B) its chemical formula is D 2 O (C) it exists in all three state (D) both (A) and (B) 11. Main source of water on earth is: (A) Rain (B) Glaciers (C) Snow (D) All the above 12. One of these is not a source of surface water. (A) Rain (B) Lake (C) Spring (D) River 13. This can help in raising water table: (A) Rain water harvesting (B) Crop harvesting (C) Making artificial lakes (D) Both (A) and (B) 14. On which of the following day is World water Day observed? (A) 22 March (B) 14 November (C) 2 October (D) 21 December 15. Water cycle does not involve which of the following? (A) Evaporation (B) Condensation (C) Formation of clouds (D) Rainwater harvesting NARAYANA IIT/PMT ACADEMY 2

3 16. Water is called universal solvent because (A) it can dissolve all the liquids in the universe (B) it dissolve all the gases in the universe (C) it dissolve large number of solids, liquids and gases (D) none of these BIOLOGY 17. The hump of the camel is a reservoir of: (A) fatty tissue (B) water (C) milk (D) all of these 18. Which of these animals possesses thick layer of fat under its skin? (A) camel (B) African elephant (C) fennec (D) polar bear 19. The winter sleep of animals is called: (A) aestivation (B) hibernation (C) prespiration (D) none of these 2. Which of the following statement is incorrect for penguins? (A) they huddle together (B) they can webbed feet (C) they have webbed feet (D) they have streamlined body 21. The coldest region on earth is the (A) polar region (B) tropical region (C) temperate region (D) coastal region 22. Choose the odd one from the following options: (A) Thick layer of fat under the skin (B) White fur (C) Long grasping tail (D) Wide and large feet with sharp claws 23. Camouflage as an adaption is found in (A) elephant (B) giraffe (C) cameleon (D) squirrel 24. The trunk of an elephant is a modification of the (A) lower lip and nose (B) upper lip and nose (C) lower jaw and nose (D) upper jaw and nose MATHEMATICS 25. The sub duplicate ratio of 36 : 16 is (A) 2 : 3 (B) 4 : 5 (C) 3 : 2 (D) 3 : The sub triplicate of 512 : 343 is (A) 9 : 6 (B) 8 : 7 (C) 5 : 8 (D) 6 : If : x = 12 : 6, then the value of x is (A) 5 (B) 5 (C) 5 (D) If.75 : x :: 5 : 8, then x is equal to: (A) 1.12 (B) 1.2 (C) 1.25 (C) (2x + 1) : 2 = (x + 2) : 5 (A) 5 1 (B) (C) 3 1 (D) If 2A = 3B = 4C, find A : B : C (A) 6 : 4 : 3 (B) 3 : 4 : 5 (C) 1 : 2 : 3 (D) 4 : 5 : If a : b = 3 : 4 and b : c = 8 : 9, then a : c =? (A) 1 : 2 (B) 3 : 2 (C) 1 : 3 (D) 2 : If A : B = 2 : 3 and B : C = 4 : 5, then C : A =? (A) 15 : 8 (B) 6 : 5 (C) 8 : 5 (D) 8 : If 7 : x :: 35 : 45, then x =? (A) 11 (B) 15 (C) 9 (D) 5 NARAYANA IIT/PMT ACADEMY 3

4 34. A B C If = =, then A : B : C =? (A) 3 : 4 : 5 (B) 4 : 3 : 5 (C) 5 : 4 : 3 (D) 2 : 15 : Triangle ABC is such that AB = 3 cm, BC = 2 cm and CA = 2.5 cm. Triangle DEF is similar to ABC. If EF = 4 cm, then the perimeter of DEF is : (A) 7.5 cm (B) 15 cm (C) 22.5 cm (D) 3 cm 36. In ABC, AB = 3 cm, AC = 4 cm and AD is the bisector of A. Then, BD : DC is : (A) 9 : 16 (B) 16 : 9 (C) 3 : 4 (D) 4 : ABC is a triangle and DE is drawn parallel to BC cutting the other sides at D and E. If AB = 3.6 cm, AC = 2.4 cm and AD = 2.1 cm, then AE is equal to : (A) 1.4 cm (B) 1.8 cm (C) 1.2 cm (D) 1.5 cm 38. The line segments joining the mid points of the sides of a triangle form four triangles each of which is : (A) similar to the original triangle (B) congruent to the original triangle. (C) an equilateral triangle (D) an isosceles triangle. 39. In ABC and DEF angles are A = 5, B = 7, C = 6, D = 6, E = 7, F = 5, then ABC is similar to : (A) DEF (B) EDF (C) DFE (D) FED MAT 4. If TAP is coded as SZO, then how is FREEZE coded? (A) ATSSTS (B) EQDDYD (C) ESDDYD (D) EQDDZD 41. In a certain code, SIKKIM is written as THLJJL, how is TRAINING written in that code? (A) SQBHOHOF (B) UQBHOIOF (C) UQBHOHOI (D) UQBHOHOF 42. In a certain code, MENTION is written as LNEITNO. How is PATTERN written in that code? (A) ATAETNR (B) OTAETNR (C) OTAESNR (D) STAETNR 43. In a certain language, MADRAS is coded as NBESBT, how is BOMBAY coded in that code? (A) CPNCBZ (B) CPNCBX (C) DPNCBZ (D) DPNCBX 44. In following alphabet series, one term missing as shown by question mark (?). Choose missing term from options.: U, O, I,?, A (A) E (B) C (C) S (D) G 45. In following alphabet series, one term missing as shown by question mark. Choose missing term from options.: Y, W, U, S, Q,?,? (A) N, J (B) M, L (C) J, R (D) O, M 46. In following alphabet series, one term missing as shown by question mark. Choose missing term from options.: A, B, D, G,? (A) M (B) L (C) K (D) H 47. In following alphabet series, one term missing as shown by question mark. Choose missing term from options.: Z, U, Q,?, L (A) I (B) K (C) M (D) N SECTION-B (ACHIEVER CORNER) PHYSICS 48. The device used to prevent the flow of excess current in the circuit is (A) switch (B) fuse (C) bulb (D) coil 49. The bulb in an electric circuit glows because of (A) magnetic effect of current (C) chemical effect of current (B) heating effect of current (D) None of these NARAYANA IIT/PMT ACADEMY 4

5 CHEMISTRY 5. Water is (A) a mixture (B) a compound (C) an element (D) none of these 51. Common salt content of sea water is (A) 1.5% (B) 2.5% (C) 3.5% (D) 1% BIOLOGY 52. The maximum and minimum temperature displayed daily in the weather bulletin refer to the (A) highest day temperature and lowest night temperature of the day. (B) highest day temperature and highest night temperature of the month. (C) temperature recorded at 12 noon and at mid night (. hrs). (D) average highest temperature of day and average lowest temperature of night 53. Given below are some adaptive features of animals: (i) Layer of fat under the skin (ii) Long, curved and sharp claws (iii) Slippery body (iv) Thick white fur Which of them are the adaptive features of a polar bear? (A) (i) only (B) (i) and (ii) only (C) (i), (ii) and (iii) only (D) (i), (ii) and (iv) only MATHEMATICS 54. D, E, F are the mid points of the sides BC, CA and AB respectively of ABC. Then DEF is congruent to triangle (A) ABC (B) AEF (C) BFD, CDE (D) AFE, BFD, CDE 55. If in the triangles ABC and DEF, angle A is equal to angle E, both are equal to 4, AB : ED = AC : EF and angle F is 65, then angel B is :- (A) 35 (B) 65 (C) 75 (D) In a right angled ABC, right angled at A, if AD BC such that AD = p, if BC = a, CA = b and AB = c, then : (A) p 2 = b 2 + c (B) = p b c p p (C) = a b (D) p 2 = b 2 c In the adjoining figure, XY is parallel to AC. If XY divides the triangle into equal parts, then the AX value of = AB (A) 2 1 (B) 1 2 (C) (D) What least number is to be subtracted from each term of the ratio 15 : 19 to make the ratio 3 : 4? (A) 3 (B) 5 (C) 6 (D) The mean proportional between 9 and 16 is (A) 12.5 (B) 12 (C) 5 (D) none of these NARAYANA IIT/PMT ACADEMY 5

6 SECTION-C(HOME ASSIGNMENT) PHYSICS Very Short Answer Type Questions 1. Name two methods of charging a body. 2. What is heating effect of electric current? Short Answer Type Questions 3. Can electrically neutral substances be made to acquire charge? 4. When the current is passing through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain. Long Answer Type Questions 5. What are the applications of heating effect of electric current? CHEMISTRY Very Short Answer Type Questions 1. What is water management? 2. What are the sources of surface water? Short Answer Type Questions 3. What are main sources of underground water? 4. Why is water called a unique substance? Long Answer Type Questions 5. List main sources of water and explain each one briefly. MATHEMATICS Very Short Answer Type Questions 1. If 28/- is divided in the ratio 1 : 1, then the parts are Two numbers are in the ratio 3 : 4. If 4 is added to the first term and 12 is added to second term the ratio becomes 2 : 3, then the numbers are Short Answer Type Questions 3. Two numbers are in the ratio 4 : 5.If the sum of the numbers is 135, find the numbers. 4. Divide Rs 15 among A, B, C in the ratio 3 : 5 : 2. Long Answer Type Questions 5. The ratio of copper and zinc in an alloy is 5 : 3.If the weight of the copper in the alloy is 3.5 grams, find the weight of zinc in the alloy. BIOLOGY Very Short Answer Type Questions 1. Name some countries that belong to Polar Regions. 2. Explain the climate of Polar Regions. Short Answer Type Questions 3. Explain the adaptation of Penguins to live in Polar Regions 4. Why is camouflage important for animals? Long Answer Type Questions 5. Explain the adaptations of polar bear to live in Polar Regions. PAPER SETTER : DEL-PB Physics Dheeraj Kumar : Chemistry Murari Jha : Mathematics Ravi Gupta : Biology Monika jha : Mental Ability Tarun sharma : NARAYANA IIT/PMT ACADEMY 6

7 NARAYANA IIT/PMT ACADEMY CPT 2 SECTION-A (CLASS VII) ANSWER KEY PHYSICS CHEMISTRY BIOLOGY MATHEMATICS MAT Q. NO. ANS Q. NO. ANS Q. NO. ANS Q. NO. ANS Q. NO. ANS 1 (A) 9 (C) 17 (A) 25 (C) 4 (B) 2 (C) 1 (C) 18 (D) 26 (B) 41 (D) 3 (A) 11 (A) 19 (B) 27 (C) 42 (B) 4 (D) 12 (C) 2 (B) 28 (B) 43 (A) 5 (A) 13 (A) 21 (A) 29 (B) 44 (A) 6 (A) 14 (A) 22 (C) 3 (A) 45 (D) 7 (C) 15 (D) 23 (B) 31 (D) 46 (C) 8 (A) 16 (C) 24 (B) 32 (A) 47 (D) 33 (C) 34 (A) 35 (B) 36 (C) 37 (A) 38 (A) 39 (D) CPT 2 SECTION-B (CLASS VII) ANSWER KEY PHYSICS CHEMISTRY BIOLOGY MATHS MAT Q. NO. ANS Q. NO. ANS Q. NO. ANS Q. NO. ANS 48 (B) 5 (B) 52 (A) 54 (D) 49 (B) 51 (B) 53 (D) 55 (C) 56 (B) 57 (B) 58 (A) 59 (B) NARAYANA IIT/PMT ACADEMY 7

8 PHYSICS 1. The method of charging a conductor without actually bringing it in contact with another charged body is known as Charging by induction 2. Conduction and Induction are two methods of charging 3. Electric current is flow of charge per unit time 4. the direction of flow of positive charge 5. Hans christion Oersted 6. The amount of heat produced in the wire depends upon the current flowing through it 7. q i = t unit of charge 1C 1 Unit of electric current = = = 1Cs = 1 Ampere unit of time 1 sec 8. The compass needls will get deflected as a current carrying wire behaves take a magnet CHEMISTRY 9. water has maximum density at 4 C 1. water exists in all three state 11. Main source of water an earth is rain 12. spring is not a source of surface water 14. world s water day 22 march 15. Rain water harvesting does not involve water cycle. 16. water is universal solvent because it dissolve large number of solids, liquids and gases : 16 = 6 : 4 = 3: : 343 = 8: x = x = x =.75 8 x = x + = x + x = ( 2) 5( 2 1) 3. A : B : C = 1 : 1 : 1 6 : 4 : a c = 4 9 = 3 MATHS NARAYANA IIT/PMT ACADEMY 8

9 32. A 2 4 C : A 15:8 C = 3 5 = x = 7 45 x = A : B : C = 3 : 4 : DE 6 DE = 4 = = DF = 5 perimeter = = 15 DF BD : DC = AB : AC = 3 : AD AE 2.1 AE = = AE = 1.4 AB AC similar to the original triangle 39. ABC = FED 4. Clearly, BIOLOGY MAT T -1 = S A -1 = Z P -1 = O So FREEZE will be, F -1 E R -1 Q E -1 D E -1 D Z -1 Y E -1 D 41. In given word, word is increasing and decreasing by one alternatively as, S +1 T I -1 H K +1 L K -1 J I +1 J M -1 L So in the same way TRAINING will be UQBHOHOF 42. In the given word, we can analyse that, M is decreased by 1, M-1 = L, and other words are interchanged, EN NE TI IT ON NO So PATTERN will be P -1 O AT TA TE ET RN NR 43. Clearly every letter is increased by 1 as M +1 N A +1 B D +1 E R +1 S A +1 B S +1 T So after increasing every character in work BOMBAY by 1, we get 44. The series consists of vowles A, E, I, O, U written in a reverse order. 45. The series consits of alternate letters in reverse order 46. The first, second, third,. letters of the series are respectively moved one, two, three, steps forward to obtain the seccessive terms. 47. The first, second, third, letters of the series are respectively moved one, two, three, steps forward to obtain the successive terms. NARAYANA IIT/PMT ACADEMY 9

10 SECTION-B PHYSICS 48. When excessive current flows through circuit, the wire in the electric fuse melts and breaks off and these the fuse prevents fire 49. When a bulb is connected in a circuit and switched on, filament becomes so hot that it gives out light 5. Water is a compound CHEMISTARY NARAYANA IIT/PMT ACADEMY 1