Science – WBPSC Miscellaneous Preliminary Question Paper

Science – WBPSC Miscellaneous Preliminary Question Paper

Miscellaneous Question Paper – 2019

2. What is the SI unit of radioactivity?

(A) Ampere

(B) Volt

(C) Becquerel

(D) Curie

4. Generally, non-metals do not conduct electricity. Which of the following conducts electricity?

(A) Diamond

(B) Graphite

(C) Sulfur

(D) Fullerene

5. Most plants absorb nitrogen in the form of

(A) proteins

(B) nitrates and nitrites

(C) urea

(D) nitrates, nitrites and urea

7. The chemical responsible for plant growth is

(A) Citric Acid

(B) Chlorophyll

(C) Indole Acetic Acid

(D) Phenyl Acetic Acid

14. Oxygen liberated during photosynthesis comes from

(A) water

(B) carbon dioxide

(C) glucose

(D) Both carbon dioxide and glucose

30. The Solar Energy results from the

(A) Chemical reactions between H and He atoms.

(B) Fusion reactions of H and He atoms.

(C) Fission reactions of He atoms.

(D) Electrochemical reactions of H atoms.

34. Number of spinal nerves in human are

(A) 11 pairs

(B) 27 pairs

(C) 32 pairs

(D) 31 pairs

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35. Which one of the following is used for baking fruit?

(A) Ethylene

(B) Methane

(C) Chlorine gas

(D) Isopropyl alcohol

36. Under critical temperature, on compressing gases turn to liquid, because

(A) molecules are of finite size.

(B) molecules have random motion.

(C) molecules have intermolecular forces.

(D) molecules are spherical.

37. When a few drops of iodine solution is added to rice water, the solution turns blue-black in colour. This indicates that rice water contains

(A) fats

(B) complex proteins

(C) starch

(D) simple proteins

50. What is the percentage of Calcium in Calcium Carbonate?

(Molar mass)

(A) 50

(B) 10

(C) 40

(D) 100

51. The most important safety method used for protecting home appliances from short circuiting or overloading is

(A) earthing

(B) use of fuse

(C) use of stabilizer

(D) use of electric meter

55. When NaCl is dissolved in water, every Na+ ion is surrounded by

(A) Cl- ions

(B) Na+ ions

(C) Na+ and Cl- ions

(D) H2O molecules

56. Among CO2, H2O vapour, CH4 and CO, the most abundant Greenhouse gas is

(A) CO2

(B) CO

(C) H2O vapour

(D) CH4

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57. Electrical wires are coated with an insulating material. Generally, the material used is

(A) Sulfur

(B) Graphite

(C) PVC

(D) All of the above

58. In stainless steel, iron is mixed with

(A) Ni and Cr

(B) Cu and Cr

(C) Ni and Cu

(D) Cu and Zn

60. Which is the first enzyme to mix food in the digestive tract of human?

(A) Pepsin

(B) Cellulase

(C) Amylase

(D) Trypsin

64. If the vapour density of a gas is 32, what is its molecular weight?

(A) 64

(B) 16

(C) 32

(D) 128

66. Among Na+, Fe2+, Co3+ and Zn2+ which is/are not transition metal ions?

(A) Na+ and Co3+

(B) Fe2+ and Co3+

(C) Fe2+ and Zn2+

(D) Na+ and Zn2+

67. Which quantity remains constant in parallel connection of resistance?

(A) Electric current flow rate

(B) Potential Difference

(C) Amount of electricity

(D) Both the potential difference and amount of electricity

71. The filtration unit of kidney is called

(A) Ureter

(B) Urethra

(C) Neurons

(D) Nephrons

75. Carrier of Dengue disease is

(A) Aedes Mosquito

(B) Anopheles Mosquito

(C) Culex Mosquito

(D) None of the above

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Miscellaneous Question Paper – 2018

44. Scientist C.V. Raman discovered

(A) Raman effect

(B) Raman Ray

(C) Life of tree

(D) X-Ray

80. Which one of the following is the World’s most heat resistant material?

(A) Hafnium Carbide (HfC)

(B) Nano Material (NM)

(C) Titanium (TM)

(D) None of the above

81. Who has developed the contact lens sensors to monitor things like stress hormones, uric

acid, pressure sensing for glaucoma?

(A) Professor Kit

(B) Professor Greg Herman

(C) Professor Sensor

(D) Professor Black William

82. Which University has developed the holographic imaging process that enables the radiation

of a standard Wi-Fi router to generate 3D (dimensional) images of the surrounding  environment?

(A) Technical University of China

(B) Singapore Technical University

(C) West Bengal Technical University

(D) Technical University of Munich

83. What is the full form of SCM?

(A) Standard Cosmological Model

(B) Strong Cosmological Model

(C) Stable Cosmological Model

(D) Strict Cosmological Model

84. The Large Hadron Collider beauty (LHCb) experiment is specialized for

(A) ‘beauty green’ study

(B) ‘beauty quark’ study

(C) ‘beauty red’ study

(D) ‘beauty white’ study

85. Which one of the following is the hip and knee replacement robot?

(A) Laprodoc

(B) Robodoc

(C) Neurodoc

(D) None of the above

86. Which tissue is the 79th organ of the human body?

(A) Mesentery

(B) Adenoids

(C) Colon

(D) Vulva

87. How many important muscles are there in the human body?

(A) 530

(B) 630

(C) 730

(D) 830

88. What is the name of the smallest muscle in the human body?

(A) Buttock Muscle

(B) Glutens Muscle

(C) Sartorius Muscle

(D) Stapedius Muscle

89. Hair in human body is made of the same substance as

(A) Knee

(B) Teeth

(C) Finger nails

(D) Skin

90. Distorted vision (Astigmatism) can be corrected by using which one of the following lenses?

(A) Cylindrical lens

(B) Convex lens

(C) Concave lens

(D) Bifocal lens

91. What is angiogram?

(A) It is a medical diagnostic test.

(B) It is a signal used in telegram office.

(C) It is a signal used in radio.

(D) It is a signal used in TV.

92. Which one of the following is not medical diagnostic test?

(A) Colonoscopy test

(B) McNaughton test

(C) Doppler test

(D) C. T. Scan test

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93. What is the function of Electro Cardiogram test?

(A) It measures the legs function.

(B) It measures the blood flow.

(C) It measures the brain cells.

(D) It measures the heartbeat.

94. Zika virus disease transmitted through

(A) Mosquito

(B) Dog

(C) Cat

(D) Bird

95. In which year the first human heart transplantation took place?

(A) 1947

(B) 1957

(C) 1967

(D) 1977

96. What is the full form of AIDS?

(A) Acess Immuno-Deficiency Syndrome

(B) Acquired Immuno-Deficiency Syndrome

(C) Acquired Immuno-Deficiency System

(D) Acquired Immuno-Deficiency Sist

97. Oral Glucose Tolerance test is used for determining

(A) Blood Sugar

(B) Blood Pressure

(C) Obesity

(D) Heart Attack

98. Who has been considered as universal blood donor person?

(A) Person having O group blood

(B) Person having A group blood

(C) Person having B group blood

(D) Person having AB group blood

99. What is Li-Fi System?

(A) It is a traditional computer chip.

(B) It is a system relies on centralised light antennas.

(C) It is a universal turing machine.

(D) It is a single desktop computer.

100. Who designed the polaroid instant camera?

(A) Edwin Land

(B) William Clark

(C) Michael Brack

(D) Sir White

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Miscellaneous Question Paper – 2012 (S-1)

2. Which of the following is a Vector quantity ?

(A) Mass     

(B) Temperature       

(C) Displacement     

(D) Time

9. Mammary glands are modification of

(A) Sweat gland      

(B) Sebaceous gland     

(C) Salivary gland      

(D) Lacrimal gland

10. An atom of an element differs from an atom of one of its isotopes in the number of

(A) Neutrons in the nucleus     

(B) Protons in the nucleus     

(C) Valence electrons    

(D) Protons outside the nucleus

12. Unit of Wave length is

(A) Cm     

(B) Pascal      

(C) Sec.      

(D)  Cm/Sec.

16. Which of the following acid can dissolve gold ?

(A) HNO3       

(B) H2SO4       

(C) H2SeO4 

(D) HClO4

24. Which of the following pairs is from the same group periodic table ?

(A) Mg, Ca     

(B) Mg, K     

(C) Mg, Cu     

(D) Mg, I

27. Monocot flowers and dicot flowers differ in

(A) Monocot flowers are larger than those of dicot      

(B) Monocot flowers possess no smell

(C) Monocot flowers possess no nectaries     

(D) Monocot flowers are not coloured

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31. Ions are formed from neutral atoms by

(A) gain of electron      

(B) loss of electron      

(C) loss or gain of electron      

(D) sharing of electron

36. Tick out the odd combination

(A)  Cu, Ag, Au      

(B) Na, K, Rb     

(C) Zn, Cd, Hg       

(D) F, Si, I

38. Applying pulling force a string of rubber is increased by 40% and then force is withdrawn. What percentage of length is decreased to regain its original configuration?

(A) 40%     

(B) 34(1/7)%     

(C) 32(4/7)%      

(D) 28(4/7)%

39. ‘Vanishing colour’ may be prepared by mixing phenolphthalein with

(A) carbon dioxide water      

(B) sulphurous acid      

(C) dilute solution of caustic soda       

(D) dilute ammonia solution

44. Saturated hydrocarbons are termed paraffins because

(A)  they are much less reactive       

(B)  they are highly reactive  

(C) they are insoluble in water       

(D)  they are noncombustible

48. Water gas is a mixture of

(A) CO, CH4 and C2H2

(B) CO, CO2 and methane

(C) CO and H2

(D) CO and N2

53. Acid rains occur due to

(A) Presence of CO₂ in the atmosphere

(B) Presence of CO and CO₂ in the atmosphere

(C) Presence of Ozone in the atmosphere

(D) Presence of SO₂ and SO₃ in the atmosphere

59. Which of the following is most harmful for human being?

(A)  α-particles        

(B) β-particles         

(C) γ-rays       

(D) Light rays

64. Which one of the following insects is the carrier of microfilaria

(A) Tabanus        

(B) Culex mosquito      

(C) Anopheles mosquito      

(D) Aedes mosquito

68. Ascariasis spread through

(A) Polluted air      

(B) Polluted water        

(C) Contaminated food       

(D) Bacteria

73. For measuring the flow of current, the device is used

(A)  Voltmeter       

(B) Galvanometer      

(C) Ammeter       

(D) Potentiometer

74. Which of the following has no green house effect ?

(A) CH₄        

(B) N₂O      

(C) SO₂         

(D) H₂O

80. What is the unit of power ?

(A) Half-life        

(B) Watt       

(C) Volt       

(D) Joule

86. What is the unit of volume in CGS system ?

(A)  cm²         

(B) cm³         

(C)  km       

(D) m

95. Ductless glands secrete

(A) Blood        

(B) Tissue fluid       

(C) Enzymes        

(D) Hormones

99. The organ related to locomotion in Amoeba sp. is

 (A) Cilia       

(B) Flagella       

(C) Parapodia        

(D) Pseudopodia

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Miscellaneous Question Paper – 2012 (S-2)

4. Light waves are

(A) Mechanical waves

(B) Longitudinal waves

(C) Electromagnetic waves

(D) None of the above

28. A temperature of 300°C corresponds to an absolute temperature in Kelvin unit of

(A) 27

(B) -27

(C) 523

(D) 573

31. Unit of frequency is

(A) Kg-m

(B) Sec

(C) Hertz

(D) Cm/sec2

38. Haemoglobin is

(A) a copper compound

(B) a cobalt compound

(C) a magnesium compound

(D) an iron compound

43. Pressure Cooker works on the principle

(A) Boiling point increases with the increase of pressure

(B) Boiling point decreases with the increase of pressure

(C) Boiling point increases with the decrease of pressure

(D) None of the above

46. Which of the following is a scalar quantity?

(A) Momentum

(B) Mass

(C) Weight

(D) Force

55. Enzymes are organic compounds of protein category which

(A) act as catalysts in life processes

(B) help in the mechanism of supply of oxygen in blood

(C) help to regulate the manner and rate of use of glucose in body

(D) help in heredity maintenance

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56. The disease transmitted by blood

(A) Cholera

(B) Tuberculosis

(C) AIDS

(D) Polio

58. Soaps are

(A) sodium and potassium salts of higher fatty acids

(B) sodium salts of sulphonic acids

(C) high molecular mass alcohols

(D) mixtures of glycerol and phenol

63. Which of the following is an ore of aluminium?

(A) Haematite

(B) Dolomite

(C) Bauxite

(D) Carnalite

64. Night blindness is due to the lack of which vitamin?

(A) A

(B) B

(C) C

(D) K

66. How many times is chlorine gas heavier than air?

(A) 1.27

(B) 2.50

(C) 3.81

(D) 5.0

72. When chlorine reacts with excess of ammonia the products are

(A) NH4Cl, NCl3

(B) NH4Cl, N2

(C) NCl3, HCl

(D) N2, HCl

75. Which disease-causing germ is borne by Anopheles Mosquito?

(A) Dengue

(B) Encephalitis

(C) Malaria

(D) Filaria

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76. Insulin is secreted from

(A) Kidney

(B) Pituitary gland

(C) Pancreas

(D) Thyroid

78. Where do you see stomata in lotus leaf?

(A) Only upper surface of leaf

(B) Only lower surface of leaf

(C) Both lower and upper surface of leaf

(D) None of the above

82. Which of the following radiations have the maximum penetrating power?

(A) α-rays

(B) β-rays

(C) y-rays

(D) Light rays

84. kilo-Watt-hour is the unit of

(A) Power

(B) Force

(C) Energy

(D) Momentum

97. Which of the following pairs is isoelectronic?

(A) N2, CO

(B) NO, CO

(C) CO, CN–

(D) O2, CN–

Miscellaneous Question Paper – 2011

6. ‘Touch me not’ plant shows

(A) Nyctinasty

(B) Photonasty

(C) Geonasty

(D) Seismonasty

9. The internal energy of a body means

(A) Its kinetic energy

(B) Total kinetic energy of its constituent molecules

(C) Sum total of its kinetic and potential energy

(D) Sum total of the kinetic and potential energy of its constituent molecules.

16. Four wires of different dimensions are stretched together under the equal weight, which on will suffer greater elongation? The dimensions are given below

(A) Length 100 cm, Diameter 1 mm

(B) Length 200 cm, Diameter 2 mm

(C) Length 300 cm, Diameter 3 mm

(D) Length 400 cm, Diameter 0.5 mm

17. The disease caused in hypo action of thyroid gland

(A) Myxedema

(B) Grave’s disease

(C) Exophthalmic goitre

(D) Goitre

20. The number of cranial nerves is (human being)

(A) 12 nerves

(B) 12 pairs of nerves

(C) 31 nerves

(D) 31 pairs of nerves

28. The hormone responsible for the production of seedless fruit 

(A) Gibberellin

(B) Auxin

(C) Ethylene

(D) Cytokinin

34. The enzymes present  in saliva

(A) Erepsin

(B) Chymotrypsin

(C) Ptyaline

(D) Trypsin

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41. There are four statements given below explaining why mercury is chosen as a thermometric liquid. Which of these statements is wrong?      

(A) Mercury is a good conductor of heat

(B) Mercury does not stick to glass

(C) Mercury has a large specific heat

(D) Volume of mercury increases equally for equal rise of temperature

46. ​​The compound which contains both ionic and covalent bonds is

(A) CH4

(B) H2

(C) KCN

(D) NaCl

50. Who discovered the germ of Malaria?

(A) Lamarck

(B) G. J. Mendel

(C) De Vries

(D) Ronald Ross

57. The partial root parasite is      

(A) Bamboo plant

(B) Sandalwood plant

(C) Fungus

(D) Cycas

59. Which metal ion will give a chocolate precipitate with the reagent potassium ferrocyanide?         

(A) Fe3+

(B) Zn2+

(C) Cu2+

(D) Al3+

60. When a glass rod of refractive index µ2 is immersed in glycerin of refractive index µ1 it becomes invisible. The we can say    

(A) µ1<µ2

(B)  µ1>µ2

(C) µ1=µ2

(D) This phenomenon does not depend on refractive index.

65. Number of different oxides formed by nitrogen is

(A) Four

(B) Five

(C) Two

(D) Three

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88. Two 220 V, 60 W bulbs are used for 5 hours a day for 10 days. If each unit (1 kilowatt hour) costs Rs. 3.50, find the total expense for it.

(A) Rs. 10.50

(B) Rs. 21.00

(C) Rs. 38.50

(D) Rs. 77.00

72. The element which form amphoteric oxide?

(A) Bismuth

(B) Antimony

(C) Phosphorus

(D) Sodium

78. An acid in concentrated form does not give brown fumes with copper turnings and when dilute gives a curdy white precipitate with silver nitrate solution and the precipitate is soluble in ammonia solution, but insoluble in nitric acid. The acid is

(A) Nitric acid

(B) Hydrochloric acid

(C) Sulphuric acid

(D) Phosphoric acid

90. One of these substances contains no oxygen. Which one?

(A) Bauxite

(B) Cryolite

(C) Dolomite

(D) Epsom salt

93. Which of the following is a dimensionless quantity?

(A) volume

(B) acceleration

(C) kinetic energy

(D) refractive index

94. Rectifying Spirit is a

(A) Mixture of 95% ethanol + 5% methanol

(B) Mixture of 95% ethanol + 5% water

(C) Mixture of 95% ethanol + 5% pyridine

(D) 100% ethanol

99. The single acid which dissolves gold is

(A) Nitric acid

(B) Hydrochloric acid

(C) Selenic acid

(D) Aqua regia

Miscellaneous Question Paper – 2010

14. (X)                      (Y)

(i) Urea                      (i) Ripening of fruits

(ii) Chloroform           (ii) Antiseptic

(iii) Phenol                 (iii) Anesthetic

(iv) Ethylene              (iv) Fertilizer

Find the correct match of the items of the columns (X) and (Y)

(A) (X) (i) (ii) (iii) (iv)

      (Y) (iii) (iv) (i) (ii)

(B) (X) (i) (ii) (iii) (iv)

      (Y) (iv) (iii) (ii) (i)

(C) (X) (i) (ii) (iii) (iv)

      (Y) (ii) (iv) (i) (iii)

(D) (X) (i) (ii) (iii) (iv)

       (Y) (i) (iv) (iii) (ii)

18. A train is approaching towards a station blowing whistle of frequency 1000Hz. What will be the apparent frequency of the sound of the whistle received by a listener standing on the railway platform?

(A) 1000 Hz

(B) greater than 1000 Hz

(C) lesser than 1000 Hz

(D) None of the above

19. Of the following which is a greenhouse gas?

(A) Methane

(B) Nitrogen

(C) Chlorine

(D) Acetylene

21. A hybrid pea plant was crossed to a dwarf pea plant. What will be the phenotypic ratio of tall: dwarf in the F1 plants?

(A) All trees plants

(B) Tall: dwarf, 1: 3

(C) Tall: dwarf, 3: 1

(D) Tall: dwarf, 2: 2

24. Cell wall is found in

(A) animal cells

(B) both plants and animal cells

(C) both plants and bacterial cells

(D) only in bacterial cells

26. In a detritus food-chain, insect larvae and nematodes act as

(A) secondary consumer

(B) detritus consumer

(C) producer

(D) tertiary consumer

27. “Inheritance of acquired character”, the evolutionary theory, was proposed by

(A) Darwin

(B) Lamarck

(C) Wallace

(D) Mendel

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33. Pneumatophores are found in      

(A) nematodes

(B) mangrove plants

(C) nematocysts of jelly fish

(D) none of the above

37. Which tissue transports food produced by the banana leaves in plants?

(A) Xylem

(B) Phloem

(C) Root

(D) Trachea

53. A drop of phenolphthalein is added to a colourless liquid, but no change in colour takes place. The liquid, therefore, is

(A) basic

(B) acidic

(C) neutral

(D) acidic or neutral

55. Which of the following animals has an open circulatory system?

(A) Earthworm

(B) Snake

(C) Cockroach

(D) Rat

59. The distance traversed by a moving body is proportional to the square of the time taken to traverse. The acceleration in that condition is      

(A) increasing

(B) decreasing

(C) zero

(D) constant

60. Elements in group ‘0’ of the periodic table are called      

(A) alkali metal

(B) halogens

(C) chalcogens

(D) noble gases

66. A closed vessel filled with gas is moving horizontally with certain acceleration. What is the pressure of gas within the container (ignore force arising due to acceleration due to gravity)?

(A) Same everywhere

(B) Relatively lesser in the front plane

(C) Relatively lesser in the rear plane

(D) Relatively lesser in the top plane

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72. A positively charged glass rod first attracts and then repels a suspended object. The suspended object is

(A) Negatively charged

(B) Positively charged

(C) Uncharged and insulated

(D) Earthed

73. Aluminium phosphate has the formula

(A) Al3(PO4)

(B) Al3(PO4)2

(C) Al(PO4)

(D) Al2(PO4)3

74. Ammonia can be dried with

(A) c. H2SO4

(B) fused CaCl2

(C) quicklime

(D) phosphorus pentoxide

78. The north pole of the magnetic needle is deflected towards east when current is passed through a wire placed above the magnetic needle which was kept free and static. What is the direction of flow of current in the wire?

(A) North to South

(B) South to North

(C) East to West

(D) West to East

85. Copper reduces 1:1 HNO3 to

(A) NO

(B) NO2

(C) N2O4

(D) N2O5

91. In which of the following cases there is a physical change?

(A) Magnesium wire is heated in Bunsen flame

(B) Platinum wire is heated in Bunsen flame

(C) Copper wire is heated in Bunsen flame

(D) Quicklime is dropped in water

92. The energy of a body thrown vertically upwards is

(A) greatest at the highest  point

(B) lowest at the highest  point

(C) same at all points

(D) greatest at any point

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Miscellaneous Question Paper – 2009

2. The only vector quantity among the following is

(A) Electric charge    

(B)  Electric field intensity  

(C) Electric potential    

(D)  Electrical Resistance

3. The current in a 100 W,  220V electric light is :  

(A) ⁵⁄₁₁ amp     

(B) 1.1 amp     

(C) 2.2 amp     

(D) 2 amp

4. Urea was the first Organic compound synthesized in laboratory by 

(A) Lavoisier      

(B) Wohler    

(C) Berzelius    

(D) Pasteur

5. The role of CO₂ in increasing the average temperature of the Earth is :

(A) 49%     

(B) 14%     

(C) 18%     

(D) 13%

6. The mammalian nerve cell always found in :

(A) G₂ Stage    

(B) G₁ Stage      

(C) G₀ Stage    

(D) M Stage

12. A rocket left from the earth to land on the moon and return to the earth. It will require the greatest energy to   

(A) Lift from the earth    

(B) Land of the moon    

(C) Lift from the moon    

(D) Land on the earth

13. Of the following nuclei, which two have an equal numbers of neutrons ?

C¹²,  N¹³ 

(A) Ne²⁰, Ne²¹  

(B) C¹², N¹⁴   

(C) C¹²,  N¹³     

(D) Li⁷, Be⁹

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14. Atomic weight of an element is 24 and its atomic number is 12 . Therefore its equivalent weight will be:      

(A) 12       

(B) 24    

(C) 16     

(D) 48

15. Somatic diploid nucleus is termed as  

(A) Pro-nucleus      

(B) Amphinucleus      

(C) Heminucleus        

(D) Heterokaryon

16. Tracheal Gill is found in     

(A) Limulus or King crab      

(B) Mosquito Larva    

(C) Fish       

(D) Salamander

33. 10 gm. of ice at 0°C is mixed with 10 gm. of water at 10°C. Temperature of the mixture will be :

(A) 1°C   

(B) 0°C    

(C) 10°C    

(D) 5°C

34. The number of electrons in the outermost orbit of the element of atomic number 15 is :

(A) 1    

(B) 3    

(C) 5    

(D) 7

35. Which one of the following is the most soluble in water  ?

(A) Mg(OH)₂      

(B) Sr(OH)₂    

(C) Ca(OH)₂   

(D) Ba(OH)₂

36. Which of the following is not a Pyrimidine base ?

(A) Thymine      

(B) Uracil     

(C) Guanine      

(D) Cytosine

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53. In simple harmonic motion, the kinetic energy: 

(A) is never zero    

(B) is zero in the mean position    

(C) is twice in every period     

(D) always remain equal

54. Has chlorine any isotope ?

(A) No    

(B) Two    

(C) Three   

(D) Four

55. Which is paramagnetic ? 

(A) O₂     

(B) N₂    

(C) F₂    

(D) H₂

56. The natural pacemaker of human heart is :

(A) SA Node     

(B) AV Node    

(C) Myocardium      

(D) None of the above

73. In the red light a lens has a focal length 25 cm. In blue light, the probable focal length will be:

(A) 25.5 cm.  

(B) 24.5 cm.     

(C) 15 cm.     

(D) 35 cm.  

74. The element which liberates oxygen gas from water is : 

(A) P    

(B) Na    

(C) F    

(D) I

75. Which acid of the following is the strongest ?

(A) HCOOH

(B) ClCH₂COOH     

(C) FCH₂CH₂COOH    

(D) CH₃COOH

76. In balanced diet the ratio of carbohydrate, fat and protein must be :

(A) 2 : 3 : 1

(B) 5 : 4 : 3    

(C) 2 : 4 : 1    

(D)  2 : 1 : 1

Miscellaneous Question Paper – 2008

4.  Which of the following is electrovalent ?

(A) Oxygen molecule   

(B) Sodium chloride    

(C) Water   

(D) Ammonia

7.  Neutrons in an atom :

(A) Are equal to the number of electrons and protons

(B) Revolve about the nucleus in fixed orbit

(C) Contribute to nuclear charge

(D) Vary in number with different isotope

9.  The circulation of blood in closed circulatory system was discovery by :

(A) Francis Darwin    

(B) William Harvey    

(C) G. Mendel    

(D) Hippocrates

17. Which of the following occupy 22.4 litres at N.T.P.  ? 

(A) 17 gms NH₃ 

(B) 22 gms CO₂    

(C) 1.7 gms NH₃     

(D) 4.4 gms CO₂

24. What will be the final temperature when 80 calories of heat is taken out from 1 gm of water at 0°C  ?

(A) -1°C   

(B) -80°C     

(C) 1°C    

(D) 0°C

31. In the alkane series methane is followed by :

(A) Propane    

(B) Butane    

(C) Benzene     

(D) Ethane

44. Organic compound used for welding and artificially ripening of fruits is :

(A) CH₄     

(B) C₂H₆      

(C) C₂H₂     

(D) C₂H₄

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52. When the temperature of a metal rises, its electrical resistance :

(A) Increases     

(B) Decreases     

(C) Does not change    

(D) None of the above

59. In rabbit, the digestion of cellulose takes place in :

(A) Rectum     

(B) Ileum      

(C) Colon      

(D) Caecum    

61. Production of heat due to flow of electric current through a conductor is given by :

(A) Joule effect    

(B) Joule-Thomson effect     

(C) Seebeck effect    

(D) Peltier effect

63. Which of the following elements is essential for animals but not in plants ?

(A) Potassium     

(B) Phosphorus     

(C) Calcium     

(D) Iodine

65. Aqua regia is a mixture of :

(A) One part HNO₃ and three parts HCl    

(B) Three parts HNO₃ and one part HCl    

(C) One part H₂SO₄ and three parts HCl    

(D) Three parts H₂SO₄ and one part HCl

69. A.C. is used in homes because :

(A) It is safe    

(B) It is easily reproducible    

(C) It is cheap    

(D) It is economical in transmission

71. Anhydrous CaO may be used to dry :

(A) H₂S gas     

(B) NH₃ gas

(C) CO₂ gas     

(D) HCl gas

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77. A force of 5 N acts on a body for 0.2 secs. The change in momentum of the body is :

(A) 1 kg ms⁻¹ 

(B) 0.1 kg ms⁻¹      

(C) 10 kg ms⁻¹      

(D)  The given data is insufficient

79. In bacteria, which of the following photosynthesis is present ?

(A) PS I    

(B) PS II    

(C) Both PS I and PS II    

(D) None of the above

81. Given that the absolute refractive indices of water and glass are ⁴⁄₃ and ³⁄₂ respectively. What is the refractive index of glass with reference to water  ?

(A) ⅔     

(B) ⁸⁄₉     

(C) ⁹⁄₈     

(D) ¾

82. At which part of the tongue are the taste buds for sweet taste located ?

(A) Tip    

(B) Back     

(C) Sides      

(D) Middle

89. The fuel in a nuclear reactor is :

(A) Graphite      

(B) Heavy water       

(C) Cadmium      

(D) Uranium

91. Iris is the anterior part of :

(A) Retina      

(B) Choroid      

(C) Sclera     

(D) Cornea

95. Vitamin K is necessary for blood clotting because it plays a vital role in the synthesis of :

(A) Thromboplastin      

(B) Fibrinogen     

(C) Prothrombin     

(D) All of the above

96. Water equivalent of body is measured in :

(A) Degrees centigrade     

(B) Calories     

(C) Grams     

(D) Dynes

Miscellaneous Question Paper – 2007

2. The metal used in Galvanisation is

(A) Iron     

(B) Silver     

(C) Zinc    

(D) Copper

6. Ortho and Para nitrophenols can be separated by

(A) Crystallization      

(B) Steam distillation      

(C) Sublimation     

(D) Filtration 

11. When passed over copper at 300°C, ethyl alcohol vapour forms 

(A) C₂H₄      

(B) CH₃CHO     

(C) CH₃COCH₃    

(D) C₂H₆

21. Respiratory organ of whale is

(A) Gills     

(B) Lungs     

(C) Both lungs and gills     

(D) Air sacs

26. The alkaloid found in Cinchona is

(A) Reserpine     

(B) Nicotine     

(C) Morphine     

(D) Quinine

42. The weight of a body in earth is 9.8 Newton. Its mass will be

(A) 9.8 kg     

(B) 981 gm     

(C) 1 kg    

(D) 1 gm

47. Two bodies of masses m₁ and m₂ are moving with equal kinetic energy. The ratio of their linear momentum is

(A) m₁ : m₂     

(B) m₂ : m₁    

(C) m₁² : m₂²   

(D) √m₁ : √m₂

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51. Salim Ali is famous for studies on

(A) Mammals     

(B) Birds    

(C) Monkeys    

(D) Solar system

52. For the construction of electromagnet wrought iron is preferred to steel because

(A) It becomes a permanent magnet

(B) Its retentivity is high

(C) Its magnetic strength can be increased at will

(D) Its retentivity is low

62. A lens will be invisible in vacuum when the refractive index of the lens is

(A) negative     

(B) more than one      

(C) one     

(D) less than one

67. Hydrogen Bomb was discovered by using

(A) Nuclear fission    

(B) Nuclear fusion     

(C) Radioactive disintegration     

(D) Artificial transmutation

72. A copper wire of circular cross section has a resistance of  2Ω . If the length and radius of cross section of the wire both become half of its original value, then its resistance will be

(A) 2Ω

(B) 1Ω    

(C) 8Ω  

(D) 4Ω

74. When water is frozen into ice, volume is increased by 10%. Then if  ice is melted into water, volume is decreased by

(A) 10%    

(B) 9%    

(C) 9⁹⁄₁₁%     

(D) 9¹⁄₁₁%

77. Benzyl Chloride is hydrolysed by sodium hydroxide solution to form

(A) Benzoic acid     

(B) Benzaldehyde     

(C) Benzyl alcohol    

(D) Benzoin

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82. Quick Lime is

(A) CaCO₃     

(B) CaO    

(C) CaCl₂    

(D) CaH₂

87. Combustion of methane produces of 

(A) CO₂ + H₂     

(B) CO₂ + H₂O     

(C) N₂ + H₂    

(D) O₂ + H₂

92. The colour of alkaline phenolphthalein solution is

(A) blue    

(B) deep pink     

(C) violet     

(D) green

97. The number of chiral carbons present in tartaric acid is

(A) 2    

(B) 4     

(C) 3    

(D) 1

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