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 neutr