PHYSICS1. A piece of wire of resistance R is cut into five equal parts. These parts are then

connected in parallel. If the equivalent resistance of this combination is R, then the ratio R/R is (a) 1/25 (b) 5 (c) 1/5 (d) 25

2. An electric bulb is rated 220 V and 100 W. When it is operated on 110 V. The power consumed will be(a) 100 W (b) 75 W (c) 50 W (d) 25 W

3. Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combinations would be (a) 1 : 2 (b) 2 : 1 (c) 1 : 4 (d) 4 : 1

4. At the time of short circuit, the current in the circuit(a) reduces substantially (b) does not change(c) increases heavily (d) very continuously.

5. The phenomenon of electromagnetic induction is (a) the process of charging a body(b) the process of generating magnetic field due to a current passing through a coil.(c) producing induced current in a coil due to relative motion between a magnet and the

coil. (d) the process of rotating a coil of an electric motor.

6. The essential difference between an AC generator and a DC generator is that (a) AC generator has an electromagnet while a DC generator has permanent magnet.(b) DC generator will generate a higher voltage. (c) AC generator will generate a higher voltage. (d) AC generator has slip rings while the DC generator has a commutator.

7. Which of the following correctly describes the magnetic field near a long straight wire?(a) the field consists of straight lines perpendicular to the wire(b) the field consists of straight lines parallel to the wire(c) the field consists of radial lines originating from the wire.(d) the field consists of concentric circles centred on the wire.

8. The unit of intensity of electric field is

(a) NC–1 (b) JC–1 (c) Vm (d) Nm–1

9. Consider the following statements:A: In series connection, the same current flows through each element. B: In parallel connection, the same potential difference gets applied across each

element.(a) both A and B are correct (b) A is correct but B is wrong(c) A is wrong but B is correct (d) both A and B are wrong

10. A voltmeter is used to measure(a) potential difference (b) electric current(c) electric power (d) resistance

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11. Thermal energy developed when the current is 1.5A passing through a resistor of resistance 10 in 10 seconds is(a) 215 J (b) 225 J (c) 205 J (d) 250 J

12. A charge is taken from a point A to a point B. The work done per unit charge in the process is called(a) the potential at A(b) the potential at B(c) the potential difference between B and A(d) the current from A to B

13. A moving charge will produce(a) No field (b) An electric field (c) A magnetic field (d) Both (b) and (c)

14. A magnetic field(a) always exerts a force on a charged particle(b) never exerts a force on a charged particle(c) exerts a force, if the charged particle is moving across the magnetic field lines(d) exerts a force, if the charged particle is moving along the magnetic field lines

15. The direction of magnetic field produced by a current carrying conductor can be found by(a) fleming’s left hand rule (b) fleming’s right hand rule(c) Ampere’s right hand rule (d) all the above

16. A charged particle is released from rest in a region of steady and uniform electric and magnetic fields which are parallel to each other. The particle will move in a (a) straight line (b) circle(c) helix (d) cycloid

17. The direction of induced emf (or induced current) is such that it always tends to oppose the cause which produces it is a (a) Lenz’s rule (b) Both (c) and (d)(c) Flemings left hand rule (d) Right hand thumb rule

18. The magnetic field lines inside a long current carrying solenoid are nearly(a) straight (b) circular (c) parabolic (d) elliptical

19. The magnetic field due to a bar magnet are correctly shown in

(a) (b) (c) (d)

20. You have a coil and a bar magnet. You can produce an electric current by moving (a) the magnet, but not the coil (b) the coil, but not the magnet(c) either the magnet or the coil (d) neither the magnet nor the coil

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CHEMISTRY21. Which of the following statements is true about word-equation?

(a) The arrowhead between the reactants and the products points towards the direction of products

(b) The reactants are written on the left hand side(c) The plus sign separates if there are more than one reactant or product(d) Both b and c

22. The below chemical equation is in accordance with the law of conservation ofN2+3H2 2NH3

(a) Energy (b) Mass(c) Momentum (d) Volume

23. Glucose, the carbohydrate results from the breakdown of complex carbohydrate present in food items like rice, potato and bread. The name of the carbohydrate and the process by which energy is released in the body respectively are(a) Starch and Photosynthesis (b) Sucrose and Transpiration(c) Cellulose and Respiration (d) Starch and Respiration

24. The image shows a concept which is used in photography. The type of reaction involved is known as(a) Photodecomposition Reaction(b) Endothermic Reaction(c) Both of the above(d) Exothermic Reaction

25. The picture below shows a car with brown spots on it. The brown spots could have been avoided by

(a) Washing (b) Air drying everyday(c) Polishing (d) All of the above

26. Lime water is an aqueous solution of(a) Calcium Hydroxide (b) Lemon Juice(c) Aerated Drink (d) Calcium Carbonate

27. Sulphur Dioxide is(a) Basic in nature (b) Acidic in nature(c) Amphoteric in nature (d) All of the above

28. Dilution of acid or base results in

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(a) Increase in H3O+ (b) Decrease in H3O+

(c) Increase in OH– (d) None of the above

29. The base line ph for initiation of the tooth decay is(a) 4.5 (b) 5.0(c) 6.0 (d) 5.5

30. The metal that is known to be most ductile is(a) Copper (b) Aluminium(c) Gold (d) Silver

31. The metal that can be cut with knife are(a) Calcium (b) Aluminium(c) Magnesium (d) Sodium

32. The reagent that is able to dissolve metals like Gold and Platinum is a mixture of (a) HCl and H2SO4 (b) HNO3 and H3PO4

(c) HCl and HNO3 (d) CH3COOH and HCl

33. Solid LiCl is not able to conduct electricity but molten is due to(a) Strong inter atomic spaces (b) High electron density(c) Non Dispersible of ions (d) Brittle Texture

34. The sulphide ore of the medium reactive metals is converted to its oxides by(a) Calcination (b) Frosting(c) Roasting (d) Saponification

35. In order to dilute Conc Sulphuric acid it is advisable to add(a) Acid and Water Together (b) Water to Acid slowly(c) Acid to water slowly (d) Acid to water quickly

36. If the following reaction , which of the following get oxidized(a) H (b) H2S (c) Cl2 (d) Both (b) and (c)

37. Upon heating zinc oxide with carbon, zinc and carbon-monoxide are formed is the process(a) ZnO get oxidised (b) C get reduced(c) ZnO acts as oxidising agent (d) C acts as oxidising agent

38. Which of the following is a strong acid? (a) Lactic acid (b) Ascorbic acid(c) Sulphuric acid (d) Formic acid

39. Bleaching powder is prepared commercially by(a) Reaction of chlorine with slaked lime (b) Reaction of hydrochloric acid with lime(c) Reaction of chlorine with carbon dioxide (d) none of these

40. Epsom salt and Blue vitriol are examples of (a) Deliquescent substance (b) Efflorescent substance(c) Hygroscopic substance (d) None of these

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BIOLOGY

41. Insulin is produced by (a) Liver (b) Small intestine

(c) Pancreas (d) Large intestine

42. In a single neuron the impulse travels from (a) dendrite to cell body (b) Axon to dendrite

(c) cell body to dendrite (d) axon to cell body

43. Growth of pollen tube towards ovules is the example of (a) hydrotropism (b) geotropism

(c) chemotropism (d) phototropism

44. The products of fermentation in yeasts are (a) CO2 +ethanol (b) CO2 + H2O

(c) CO2+ H2O (d) ethanol + H2O

45. How many chambers are present in heart of fishes? (a) 3 (b) 1

(c) 4 (d) 2

46. Gastric glands release(a) trypsin, pepsin, mucus (b) pepsin, mucus, hydrochloric acid (c) bile, mucus, pepsin (d) Hydrochloric acid, trypsin, pepsin

47. What is essential for the synthesis of thyroxine? (a) nitrogen (b) chlorine

(c) iodine (d) sodium

48. Find out the incorrect option w.r.t the events of photosynthesis. (a) splitting of water into hydrogen and oxygen

(b) absorption of light energy by chlorophyll(c) conversion of light energy to chemical energy (d) reduction of carbohydrates to carbon dioxide

49. Lymph carries digested and absorbed ________ from intestine. (a) glucose (b) fats

(c) proteins (d) salts

50. Which part of brain controls all involuntary actions including blood pressure, salivation and vomiting ?

(a) medulla (b) cerebrum (c) pons (d) cerebellum

51. In humans, oxygen rich blood from lungs comes to (a) right ventricle (b) left atrium

(c) right atrium (d) left ventricle

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52. Before releasing out of the body the urine is stored in (a) ureter (b) kidneys

(c) urinary bladder (d) urethra

53. Enzyme present in saliva breaks down (a) fats (b) proteins

(c) vitamins (d) starch

54. Which hormone of plants inhibits growth? (d) cytokinins (b) abscisic acid

(c) Auxins (d) gibberellin

55. Adrenal glands are present on (a) brain (b) lungs

(c) kidneys (d) lungs

56. Food translocation in plants takes place in (a) tracheids (b) phloem parenchyma

(c) vessels (d) sieve tubes

57. Some of the energy derived from the food we eat is stored in our body in the form of (a) glycogen (b) starch

(c) glucose (d) sucrose

58. During respiration formation of pyruvic acid from glucose takes place in (a) chloroplast (b) nucleus

(c) cytoplasm (d) mitochondria

59. In males, the changes associated with puberty are because of (a) testosterone (b) adrenalin

(c) oestrogen (d) insulin

60. Where do haemoglobin present in humans ? (a) platelets (b) red blood corpuscles

(c) plasma (d) white blood corpuscles

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ANSWER KEY X STUDYING (MEDICAL)PHYSICS CHEMISTRY BIOLOGY1. (d)2. (d)3. (c)4. (c)5. (c)6. (d)7. (d)8. (a)9. (a)10. (a)11. (b)12. (c)13. (d)14. (c)15. (c)16. (a)17. (a)18. (a)19. (d)20. (c)

21. (d)22. (b)23. (d)24. (c)25. (c)26. (a)27. (b)28. (b)29. (d)30. (c)31. (d)32. (c)33. (c)34. (c)35. (c)36. (b)37. (c)38. (c)39. (a)40. (b)

41. (c)42. (a)43. (c)44. (a)45. (d)46. (b)47. (c)48. (d)49. (b)50. (a)51. (b)52. (c)53. (d)54. (b)55. (c)56. (d)57. (a)58. (c)59. (a)60. (b)

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