test code: set-b sample paper of tntse 2020-2021

TAKSHILA INSTITUTE Corporate Office: D-11/148, Sec-8,(Opp. Metro pillar no 390), Rohini Delhi-85 Ph.- 011-47057303, 9310378303, 9868445900

Corporate Office: D-11/148 Sec-8 (Opp Metro Pillar No.390), Rohini, Delhi-85

Ph:.011 47057303,9310378303,9868445900

Test Code: SET-B

SAMPLE PAPER OF TNTSE 2020-2021

Takshila’s National Talent Scholarship Examination

For Students of Class XI (Medical)

This booklet contains 6 Pages

PHYSICS : 15 QUESTIONS CHEMISTRY : 15 QUESTIONS BIOLOGY : 15 QUESTIONS

REASONING : 15 QUESTIONS General Instructions:

1. Please do not write anything on question paper, Separate sheet will be provided for Rough work. 2. Total No. of Question = 60, All questions carry equal marks. Physics, Chemistry, Biology& Reasoning are compulsory. 3. For each correct Answer = 4 marks, there is no negative marking. 4. Candidates will find out the right answer of the question and will darken the appropriate circle completely with HB pencil or Black Pane only. 5. The candidates will use their own ball point pens, HB pencils, erasers etc. 6. Total Time : 1:00 Hour 7. Maximum Marks : 240

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Hajipur (8877777176)


PHYSICS 1. For the one – dimensional motion, described by

x t sin t (a) x (t) > 0 for all t > 0 (b) v (t) lies between 0 and 2 (c) a (t) > 0 for all t > 0 (d) all of these 2. The horizontal range of a projectile fired at an

angle of 15° is 50m. If it is fired with the same speed at an angle of 45°, its range will be

(a) 60 m (b) 71 m (c) 100 (d) 141 m 3. The motion of a particle of mass m is described

by y = ut + gt2. Find the force acting on the particle.

(a) Zero (b) mg (c) 2 mg (d) 3 mg 4. A block of mass 10 kg, moving in x – direction

with a constant speed of 110ms is subjected to a retarding force F 0.1x J / m during its travelling from x = 20m to 30m. Its final KE will be

(a) 475 J (b) 450 J (c) 275 J (d) 250 J 5. The power of a windmill having blade area

equal to A and wind velocity equal to v is ( is density of air)

(a) 3A v

2 (b)

2A v2

(c) A v2 (d) 3A v

6. Two blocks M1 and M2 having equal mass are free to move horizontal frictionless surface. M2 is attached to a massless spring as shown in figure. Initially, M2 is at rest and M1 is moving towards M2 with speed v and collides head – on with M2.

v

1M m 2M m

(a) While spring is full compressed all the KE of M1 is stored as PE of spring

(b) While spring is full compressed the system momentum is not conserved, though final momentum is equal to initial momentum

(c) If spring is massless, the final state of the M1 is state of rest

(d) If the spring surface on which blocks are moving has friction, then collision can not be elastic.

7. Two particles A and B are projected

simultaneously in the directions shown in figure with velocities Au 20m / s and Bu 10m / s

respectively. They collide in air after 12

s. Find

the angle

xA B

AV 20m / s BV 10m / s

(a) 45° (b) 30° (c) 60° (d) 35° 8. A block of mass 1 kg slides down a curved

track which forms one quadrant of a circle of radius 1 m as shown in figure. The speed of block at the bottom of the track is v = 2 ms-1. The work done by the force of friction is

1m

1m

v

m

(a) + 4J (b) -4J (c) - 8J (d) + 8J 9. A particle is given an initial speed u inside a

smooth spherical shell of radius R so that it is just able to complete the circle. Acceleration of the particle, when its velocity is vertical, is

(a) g 10 (b) g

(c) g 2 (d) g 6

u


10. In figure the coefficient of friction between the floor and the body B is 0.1. The coefficient of friction between the bodies B and A is 0.2. A force F is applied as shown on B. The mass of A is m/2 and of B is m. Which of the following statements are true ?

B

A

F

(a) The bodies will move together if F = 0.25mg (b) The body A will slip with respect to B if F = 0.5 mg (c) The bodies will be at rest if F = 0.1 mg (d) All of these 11. Which of the following pairs of physical

quantities does not have same dimensional formula?

(a) Work and torque (b) Angular momentum and Planck’s constant (c) Tension and surface tension (d) Impulse and linear momentum 12. You measure two quantities as

A 1.0m 0.2m , B 2.0m 0.2m . We should report correct value for AB as

(a) 1.4m 0.4m (b) 1.41m 0.15m (c) 1.4m 0.3m (d) 1.4m 0.2m 13. A metal sphere is hung by a string fixed to a

wall. The sphere is pushed away from the wall by a stick. The forces acting on the sphere are shown in the second diagram. Which of the following statements is wrong

(a) P W tan 0 (b) T P W 0

(c) 2 2 2T P W (d) T = P + W 14. Four persons K, L, M and N are initially at the

corner of a square of side of length d. If every person starts moving, such that K is always headed towards L, L towards M, M is headed directly towards N and N towards K, then the four persons will meet after

(a) d secv

(b) 2d secv

(c) d sec2v

(d) d sec2v

15. A particle A is projected from the ground with

an initial velocity of 10 m/s at an angle of 60° with horizontal. From what height h should another particle B be projected horizontally with velocity 5 m/s so that both the particles collide in ground at point C if both projected simultaneously (g = 10 m/s2)

(a) 10m (b) 30m (c) 15m (d) 25m

CHEMISTRY 16. 1 atom of an element weighs 221.792 10 g.

The atomic weight of element is (a) 108 (b) 17.92 (c) 1.192 (d) 64 17. Total number of atoms present in 64 g of SO2 is (a) 236.02 10 (b) 232 6.02 10 (c) 233 6.02 10 (d) 234 6.02 10 18. Equivalent mass of H3PO4 for the given

reaction,

3 4 4 22H PO Ca OH CaHPO 2H O

(a) M1

(b) M2

(c) 2M (d) M4

19. The vapour density of a gas is 11.2. The volume

occupied by 11.2 g of gas at NTP will be (a) 22.4 L (b) 11.2 L (c) 1 L (d) 44.8 L 20. How many grams of KCl must be added to 75.0

grams of water to produce a solution that is 2.25 molal (m)

(a) 126 g (b) 63 g (c) 45 g (d) 12.6 g


21. The first emission line in the atomic spectrum of hydrogen in the Balmer series appears at

(a) 15R cm36

(b) 13R cm4

(c) 17R cm144

(d) 19R cm400

22. In Bohr series of lines of hydrogen spectrum,

the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen

(a) 3 1 (b) 5 2 (c) 2 5 (d) 3 2 23. The orbital angular momentum of electron in 4s

orbital is

(a) 1 h.2 2

(b) zero

(c) h

2 (d) h2.5

2 24. The number of lobes in most of the f-orbitals

are (a) 6 (b) 8 (c) 10 (d) 4 25. Which is the correct graphical representation

based on photoelectric effect

(a) I and II (b) II and III (c) III and IV (d) II and IV 26. The electronic configurations of the elements X,

Y, Z and J are given below. Which element has the highest metallic character

(a) X = 2, 8, 4 (b) Y = 2, 8, 8 (c) Z = 2, 8, 8, 1 (d) J =2, 8, 8, 7

27. The correct order of shielding effect of s, p, d and f orbitals is

(a) s> p > d > f (b) s < p < d > f (c) s < p < d < f (d) s > p < d < f 28. Ekaaluminium and Eka – silicon are known as (a) Gallium and Germanium (b) Aluminium and Silicon (c) Iron and sulphur (d) Boron and Technitium 29. The electronic configuration of few elements

are given below. Arrange them in correct order of their electron affinity

I. 2 2 51s 2s 2p

II. 2 2 6 2 51s 2s 2p 3s 3p

III. 2 2 41s 2s 2p

IV. 2 2 6 2 41s 2s 2p 3s 3p (a) I < II < III < IV (b) I II III IV (c) II I IV III (d) II I III IV 30. In which of the following pairs the radii of

second species is greater than that of first (a) K, Ca (b) H, He (c) Mg+, Mg2+ (d) 2O ,O

BIOLOGY 31. In five kingdom system of Whittaker, how

many kingdoms contain eukaryotes? (a) 4 (b) 3 (c) 2 (d) 1 32. Who proposed a phylogenetic system of

classification? (a) George Bentham (b) J.D. Hooker (c) John Hutchinson (d) Carolus Linnaeus 33. Sperms of both Funaria and Dryopteris were

placed near the archegonia of Dryopteris. Only sperms of Dryopteris entered the archegonia and reached the egg because of

(a) Less motility of Funaria sperms (b) Fern archegonia secrete chemicals to attract fern sperms only


(c) Fern acrchegonia secrete chemicals to repel Funaria sperms (d) Funaria sperms are killed when mixed with Fern sperms 34. Endosperm of gymnosperm is (a) Triploid (b) Diploid (c) Haploid (d) Polypoid 35. Kelps are (a) Marine algae (b) Fresh Water algae (c) Amphibious plant (d) Terrestrial plants 36. In Opuntia, spines are modified (a) Roots (b) Stems (c) Leaves (d) Flowers 37. Potometer works on the principle (a) Root pressure (b) Osmotic pressure (c) Amount of water absorbed is equal to water transpired (d) Potential difference between tip of tube and that of plant 38. A bicollateral vascular bundle has (a) Xylem sandwitched between phloem (b) Phloemsandwitched between xylem (c) Xylem and phloem lie side by side (d) A radial split 39. Match the names of the experiments listed

under column I with the aim of the experiment given under column II: Choose the answer which gives the correct combination of the alphabets:-

Column I Column II (Experiment) (Aim) 1. Girdling experiment p. Ascent of sap 2. Cobalt Chloride paper method q. Transpiration 3. Cresograph r. Unequal transpiration 4. Belijar experiment s. Translocation in phloem

(a) 1=r, 2=p, 3=s, 4=q (b) 1=s, 2=r, 3=p, 4=q (c) 1=s, 2=p, 3=q, 4=r (d) 1=q, 2=p, 3=s, 4=r

40. Movement of water takes place from (a) Higher to lower DPD (b) Higher to lower water potential (c) Lower to higher water potential (d) Lower to higher turgor pressure 41. Nematocysts in Hydra (a) Are absent in the region of the basal disc (b) Once discharged cannot be withdrawn (c) Do not have mitotic abilities (d) All of the above 42. Brain coral is zoologically known as (a) Astarea (b) Tubipora (c) Fungia (d) Meandrina 43. Apolysis is the process of (a) Cellular digestion (b) Separation of gravid proglottids from main body (c) Development of unfertilized egg (d) Destruction of phagocytes 44. Cockroach has no RBC but respired due to (a) Gas exchange takes placed directly through tissues (b) Haemoglobin combines with oxygen (c) Oxygen is taken by lungs (d) Oxygen is taken by book lungs 45. Of the following which is probably the most

common route for membrane flow in the endomembrane system?

(a) Rough ER Golgi Lysosomes Vesicles Plasma membrane (b) Rough ER Transitional ER Golgi Vesicles Plasma membrane (c) Nuclear envelope Rough ER Golgi Smooth ER Lysosome (d) Rough ER Vesicle Golgi Smooth ER Plasma membrane


REASONING Direction (Question No.46 –48): In each of the following questions, there is a certain relationship between two given words on one side of : : and one word is given on another side of : : while another word is to be found from the given alternatives, having the same relation with this word as the words of the given pair has. Choose the correct alternative. 46. Roster : Duty : : Inventory : ? (a) Furnace (b) Exports (c) Goods (d) Produce 47. Wine : Grapes : : Vodka : ? (a) Potatoes (b) Apples (c) Oranges (d)Flour 48. Karnataka : Gold : : Madhya Pradesh : ? (a) Diamond (b) Iron (c) Copper (d) Gems Direction (Question No. 49 – 51): The following questions consist of two words each that have a certain relationship to each other, followed by four lettered pairs of words. Select the lettered pair that has the same relationship as the original pair of word. 49. Triangle : Hexagon (a) Cone : Sphere (b) Rectangle : Octagon (c) Pentagon : Heptagon (d) Angle : Quadrilateral 50. Fish : Aquarium (a) Teacher : Hostel (b) Bee : Apiary (c) Bird : Nest (d) Child : School 51. Friendly : Inimical (a) Lithosphere : Hydrosphere (b) Condemnation : Approval (c) Abstain : Refrain (d) Disappointment : Embarrassment

Direction (Question No. 52 – 56): In each of the following questions, one term in the number series is wrong. Find out the wrong term. 52. 1, 3, 7, 15, 27, 63, 127 (a) 7 (b) 15 (c) 27 (d) 63 53. 6, 14, 30, 64, 126 (a) 6 (b) 14

(c) 64 (d) 126 54. 1, 2, 4, 8, 16, 32, 64, 96 (a) 4 (b) 32

(c) 64 (d) 96 55. 5, 10, 40, 80, 320, 550, 2560 (a) 80 (b) 320

(c) 550 (d) 2560 56. 2, 5, 10, 17, 26, 37, 50, 64 (a) 17 (b) 26

(c) 37 (d) 64 Direction (Question No. 57 – 60): Choose the odd numeral pair/group in each of the following questions. 57. (a) 343 – 7 (b) 243 – 9 (c) 512 – 8 (d) 216 – 6 58. (a) 12 – 144 (b) 13 – 156 (c) 15 – 180 (d) 16 – 176 59. (a) 80 – 9 (b) 64 – 8 (c) 36 – 6 (d) 49 – 7 60. (a) 8 – 27 (b) 125 – 216 (c) 343 – 512 (d) 1009 – 1331


ANSWER KEY

CLASS : XI (MEDICAL) SET –B

1 D 2 C 3 C 4 A 5 A 6 C 7 B 8 C 9 A 10 D

11 C 12 D 13 C 14 A 15 C 16 A 17 C 18 B 19 B 20 D 21 A 22 B 23 B 24 A 25 D 26 C 27 A 28 A 29 C 30 B 31 A 32 C 33 B 34 C 35 A 36 C 37 C 38 A 39 B 40 B 41 D 42 D 43 B 44 A 45 B 46 C 47 D 48 B 49 B 50 B 51 B 52 C 53 C 54 D 55 C 56 D 57 B 58 D 59 A 60 D

test code: set-b sample paper of tntse 2020-2021

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