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Name of the Organisation : Delhi Public School
Name of the Paper : DPS Science & Maths Talent Examination
Document Type : Sample Paper
Website : http://www.dpssrinagar.com/download/dps-science-maths-talent-examination-smte-2013-14/

DPS Srinagar Science & Maths Talent Examination Paper

** A merit trophy will be awarded to the school having maximum number of meritorious students qualifying in the level 2 examination.

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Guidelines For the Candidates

Time : 2 hrs.
Total Marks : 100
1. The paper consists of four sections – Physics (20 Questions), Chemistry (20 Questions), Biology (20 Questions) and Mathematics (40 Questions)
2. All questions are compulsory and carry equal marks. There is no negative marking. Use of calculator is not permitted.
3. Write your Name, School Name and Roll No. clearly on the Answer sheet and do not forget to sign.
4. There is only one correct answer hence mark one choice only.
5. Answer sheet is given on the last page. Darken your choice with HB Pencil Blue / Black Ball Point Pen only

For Example :
In the water cycle, condensation is the process of
(A) Water vapour cooling down and turning into a liquid
(B) Ice warming up and turning into a liquid
(C) Liquid cooling down and turning into ice
(D) Liquid warming up and turning into water vapour

6. Rough work should be done in the blank space provided in the booklet.

Sample Paper

Physics

2. A stone is tied to one end of a string, and is rotated in a horizontal circle whose centre lies at the other fixed end of the string. If the stone is released during its motion by letting the fixed end free. The path described by the stone is
(A) Along a straight line towards the centre of the circle
(B) Along a straight line (radially) away from the centre of the circle
(C) Along a straight line tangential to the circular path
(D) It doesn’t change its path.

3. A jet engine works on the principle of
(A) Conservation of linear momentum
(B) Conservation of kinetic energy
(C) Conservation of angular momentum
(D) Conservation of inertia.

4. In an isolated system
(A) Some external force acts on the system
(B) Velocity of the particles of the system doesn’t change
(C) Total momentum remains conserved
(D) All of these.

5. A spaceship brings a rock of mass to the earth. On the surface of earth
(A) Mass of rock changes but not the weight
(B) Weight of rock changes but not the mass
(C) Mass and weight of the rock remain same
(D) Both mass and weight of the rock change.

6. A ball thrown up vertically returns to the thrower after 6 seconds. The velocity with which it was thrown is
(A) 30 m/s
(B) 30 2 m/s
(C) – 247 m/s
(D) 30 × 2 m/s

7. A cricket ball weighing 100 g and moving with a speed of 20 m s –1 strikes a bat and remains in contact with it for 0.1 s. The average force exerted by the ball on the bat is
(A) 100 N
(B) 40 N
(C) 20 N
(D) 1 N

8. A liquid is taken in different shaped vessels as shown in the figure. 1 2 3 4 The vessels are filled with the liquid up to same level. We know that
(i) Pressure is inversely proportional to the area on which force acts.
(ii) Pressure depends on the depth of liquid column.
Which vessel will have the highest pressure at the bottom?
(A) 1
(B) 2
(C) 3
(D) 4

9. Match the items of Column A with the corresponding items of Column B.
Column A Column B
1. Sound waves of frequency less than 20 Hz (a) 20 Hz to 20,000 Hz
2. Audible range of frequency (b) Wavelength
3. Distance between two successive compressions (c) About 340 m s –1
4. Speed of sound waves in air (d) infrasonic waves
(A) 1( d); 2( a); 3( b); 4( c)
(B) 1( b); 2( c); 3( d); 4( a)
(C) 1( a); 2( b); 3( c); 4( d)
(D) 1( c); 2( d); 3( a); 4( b)

10. Which of the following statement is not true regarding circular motion?
(A) The body moves with a uniform speed.
(B) The body moves with a variable velocity.
(C) The body has a uniform acceleration.
(D) The body has a uniform velocity.

11. An iron ball and a glass ball of same size are immersed in water. Which of the following statement is correct?
(A) The weight loss in iron ball is more.
(B) The weight loss in glass ball is more.
(C) The buoyant force on iron ball is more.
(D) The buoyant force is same on both the balls.

12. Choose the correct statement.
(A) A low pitch sound has high frequency.
(B) A high pitch sound has high frequency.
(C) Soft sound has large amplitude.
(D) Louder sound has small amplitude.

13. In the given graph the work done during the first 5 second is
(A) 10 J
(B) 12.5 J
(C) 15 J
(D) 17.5 J

14. The velocity of a particle increases from u to v in a time t during which it covers a distance S. If the particle has a uniform acceleration a, which one of the following equation does not apply to the motion?
(A) 2S = (v + u)t
(B) a = v u t
(C) v 2 = u 2 – 2aS
(D) ( ) = 1 S u+ 2 at t

15. Which type of energy conversion taking place when a compressed spring is released?
(A) Molecular energy to potential energy.
(B) Kinetic energy to potential energy.
(C) Potential energy to kinetic energy.
(D) Potential energy to molecular energy.

16. A body thrown vertically up, at the maximum height
(A) The velocity is not zero but acceleration is zero
(B) The acceleration is not zero but velocity is zero
(C) Both acceleration and velocity are zero
(D) Both acceleration and velocity are not zero.

18. Pressure at a point inside a liquid does not depends on
(A) The depth of the point below the surface of the liquid
(B) The nature of the liquid
(C) The acceleration due to gravity at that point
(D) The shape of the containing vessel.

19. Three blocks A, B and C of masses 10 kg, 3 kg, and 5 kg respectively are connected by a light inextensible smooth horizontal plane. If a force of 36 N is applied to the string connected to C. The ratio of T 2 and T 1 is
(A) 10 : 13
(B) 10 : 2
(C) 13 : 10
(D) 1 : 5

20. A sharp knife can cut food much more easily because
(A) It produces a greater pressure on the food
(B) Friction between the blade and the food is reduced
(C) It produces a greater force than a blunt knife
(D) Its mass is less as the blade is thinner.

Chemistry

21. Types of solutions in boxes P, Q and R respectively are _____.
P Q R
P Q R
(A) Suspension Colloidal Solution
(B) Solution Colloidal Suspension
(C) Solution Suspension Colloidal
(D) Suspension Solution Colloidal

22. Match both the columns and select the correct option from the codes given below.
Column I Column II
(a) Mercury (i) Acidic oxide
(b) CO 2 (ii) Liquid metal
(c) Gold (iii) Basic oxide
(d) MgO (iv) Malleable
(A) (a) (i), (b) ( ii), (c) ( iii), (d) ( iv)
(B) (a) ( ii), (b) ( i), (c) ( iv), (d) ( iii)
(C) (a) ( iv), (b) ( ii), (c) ( iii), (d) (i)
(D) (a) ( ii), (b) ( i), (c) ( iii), (d) (iv)

23. Consider the following statements :
Assertion (A) : Gun powder is an example of mixture.
Reason (R) : The components of gun powder are not present in a fixed ratio. Of these statements :
(A) Both A and R are true and R is the correct explanation of A
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true.

24. Favourable conditions for evaporation are _____.
I. Increase in surface area II. Increase in temperature
III. Increase in humidity IV. Increase in wind speed
(A) I and II only
(B) II and III only
(C) I, II and IV
(D) I, II, III and IV

25. Water Add salt -> Water -> Stir Water -> Salt->Salt The conclusion we can draw from the above experiment is that _____.
(A) nature of matter is continuous
(B) matter is made up of particles
(C) particles of salt get into the spaces between the particles of water
(D) both (B) and (C)

28. Neha sets up an experiment as shown in the figure.
She is trying to ______.
(A) check the solubility of ink in water
(B) find out the number of components of ink
(C) observe the effect of gravity on the process
(D) observe absorption of ink on paper

29. In the diagram, air is compressed when the plunger moves from P to Q. This is because air
(A) is highly compressible
(B) has particles which are constantly moving
(C) has particles which have intermolecular forces plunger
(D) has particles of negligible mass.

30. What weight of oxygen gas will contain the same number of molecules as 56 g of nitrogen gas?
(A) 64 g
(B) 32 g
(C) 56 g
(D) 28 g

Biology

41. Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres. One of these components helps in sideways conduction of water, stores food and is living. Which of the following figures represents that component?
(A)
(B)
(C)
(D)

42. Meristematic tissues of plants include
(A) Mature fruits, tips of stem and root, cork cambium
(B) Stem and root tips, vascular cambium, cork cambium
(C) Vascular cambium, cork cambium, mature leaves
(D) Tips of mature leaves and mature fruits

43. Match column I with column II and select the correct option from the codes given below.
Column I Column II
(a) Areas of protected land for (i) National Park conservation of wild life, plant and animal resources and traditional life of the tribals living in the area
(b) Area reserved for wild life where (ii) Biosphere Reserve they can freely use the habitats and natural resources
(c) Areas where animals are protected (iii) Sanctuary from any disturbance to them and their habitat
(A) (a) ( ii), (b) ( i), (c) ( iii)
(B) (a) ( i), (b) (ii), (c) (iii)
(C) (a) ( ii), (b) ( iii), (c) ( i)
(D) (a) ( iii), (b) ( ii), (c) ( i).

45. Match column I with column II and select the correct answer from the codes given below.
Column I Column II
(a) Squamous epithelium (i) Iris of eye
(b) Columnar epithelium (ii) Fallopian tube
(c) Cuboidal epithelium (iii) Stomach
(d) Ciliated epithelium (iv) Alveoli of the lungs
(v) Internal ear
(vi) Pancreatic duct
(vii) Gall bladder
(A) (a)(iii), (b)( ii, vi), (c)( i), (d)( iv, vii)
(B) (a)( iv, v), (b)( iii, vii), (c)( i, vi), (d)(ii)
(C) (a)( iv, v), (b)( iii, vi), (c)( ii), (d)( i, vii)
(D) (a)(i), (b)(ii, v), (c)(iii), (d)(iv, vi)

46. In which of the given plants there is requirement of water to complete their life cycle?
(A) (i) and (ii)
(i) (ii) (iii) (iv)
(B) (i), (ii) and (iii)
(C) (ii) and (iii)
(D) (ii) and (iv)

47. Crotolaria juncea, Sesbania aculeata and Cyamopsis tetragonoloba are
(A) Green manure
(B) Farmyard manure
(C) Compost
(D) Mixed in fertilizers

49. Microorganisms are used for the large scale production of alcohol, wine and acetic acid. X is used for commercial production of alcohol and wine. The process of conversion of sugar into alcohol is known as Y. What are X and Y respectively?
(A) Lactobacillus, Decantation
(B) Streptococcus, Distillation
(C) Yeast, Fermentation
(D) Penicillium, Aerobic respiration

50. Which of the following statements are true/false?
(i) Oviparous animals give birth to young ones.
(ii) External fertilization takes place in frog.
(iii) An embryo is made up of a single cell.
(iv) A new human individual develops from a cell called gamete.
(v) Amoeba reproduces by binary fission. (vi) A zygote is formed as a result of fertilization.
(A) (i), (iii) & (iv) are false, (ii), (v) & (vi) are true
(B) (i) & (iii) are false, (ii), (iv), (v) & (vi) are true
(C) (iii) & (iv) are false, (i), (ii), (v) & (vi) are true
(D) (iii) & (v) are false, (i), (ii), (iv) & (vi) are true.

51. X is a phylum. The organisms belonging to X are bilaterally symmetrical, triploblastic and possess pseudocoelom. Identify X.
(A) Platyhelminthes
(B) Annelida
(C) Coelenterata
(D) Nematoda

52. Select the correct statement(s).
(i) Helicobacter pylori is the causal agent of peptic ulcer.
(ii) Staphylococci is responsible for acne.
(iii) Trypanosoma causes kala azar. (iv) Leishmania donovani is a bacterium.
(A) (i) and (ii)
(B) (ii) and (iii)
(C) Only (iv)
(D) Only (ii)

54. Plants get their nitrogen
(A) By absorbing nitrogen compounds present in the soil
(B) By taking in nitrogen gas from the air into the leaves
(C) From dissolved nitrogen gas in the water in the soil
(D) From photosynthesis

55. The given figure shows the position of peptic ulcers. These ulcers cause acidityrelated pain and bleeding. Identify the names of these ulcers from the codes given below.
P Q R
(A) Oesophageal Gastric Duodenal P Q R
(B) Gastric Gastric Gastric
(C) Duodenal Oesophageal Gastric
(D) Duodenal Gastric Oesophageal

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