TOP-100 Science and Technology Questions (PART-2)
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Question 1: Lack of vitamin B complex causes
a) Beriberi
b) Scurvy
c) Pellagra
d) Rickets
Question 2: The outer protective layer of a tree is
a) cambium layer
b) pitch
c) bark
d) sap
Question 3: Which of these planets has no atmosphere at all?
a) Mercury
b) Venus
c) Mars
d) Jupiter
Question 4: With which medal was Rakesh Sharma and the two Soviet astronauts who went to space with him, felicitated?
a) Padma Vibhushan
b) Ashok Chakra
c) Bharat Ratna
d) Param Vir Chakra
Question 5: The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is
a) cellulose
-2
b) galactose
c) chitin
d) starch
Question 6: Dry ice is–
a) Ice – dust
b) Liquefied Nitrogen
c) Liquefied Hydrogen
d) Solid $CO_{2}$
Question 7: Dactylogram is related with :
a) teleprinter
b) perumbulator
c) cereals
d) finger print
Question 8: Which vein brings clean blood from the lungs into the heart ?
a) Renal Vein
b) Pulmonary Vein
c) Vena Cava
d) Hepatic Vein
Question 9: The metal used for making air-crafts and rockets is
a) Lead
b) Aluminium
c) Nickel
d) Copper
Question 10: Optical fibre works on the principle of
a) refraction
b) scattering
c) interference
d) total internal reflection
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Question 11: The plant from which cocoa and chocolate are obtained is a
a) herb
b) shrub
c) small tree
d) very big tree
Question 12: Synapses and Dendrites are associated with
a) Cortex
b) Epithelium
c) Retina
d) Nerve- cells
Question 13: A tissue that connects muscle to bones in humans called
a) Tendon
b) Fibre
c) Axon
d) Femur
Question 14: Sclerometer is used by
a) Astronomers
b) Civil Engineering Surveyors
c) Doctors
d) Metallurgists
Question 15: Approx, percentage of oxygen in Earth’s atmosphere is
a) 17%
b) 21%
c) 25%
d) 33%
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Question 16: The word ‘’Brinell’’ is associated with
a) soil testing
b) tensile testing
c) hardness testing
d) testing of seasoning of wood
Question 17: With reference to water pollution, BOD means
a) Biochemical Oxygen Dilution
b) Biochemical Oxygen Demand
c) Bio Organic Dissolutes
d) Basic Organic Dissolutes
Question 18: D2O is also called as-
a) Light Water
b) Heavy Water
c) Heated Water
d) Cold Water
Question 19: Which lime is most suitable for white washing ?
a) quick lime
b) stone lime
c) kankar lime
d) shell lime
Question 20: Clearance between the mating part is measured using
a) Dial gauge
b) Go- gauge
c) No-go gauge
d) Feeler guage
Question 21: A theodolite is used for measuring
a) distances
b) strength of materials
c) surface hardness
d) angles
Question 22: What is the value of total hardness acceptable in potable water as per Indian Standards ?
a) 0.3
b) 3
c) 30
d) 300
Question 23: The moderator used in a nuclear reactor is
a) Uranium
b) Radium,
c) Ordinary water
d) Graphite
Question 24: Manipulating data to create information is known as
a) feedback
b) programming
c) processing
d) analysis
e) None of these
Question 25: Leukaemia is a form of
a) deficiency disease
b) deformity of body
c) viral infection
d) cancer
Question 26: The technique of radiocarbon dating is used to measure the age of
a) vehicles
b) fossils
c) buildings
d) monuments
Question 27: Which is the hardest substance on the earth?
a) Gold
b) Iron
c) Diamond
d) Platinium
Question 28: Who is considered as the “Father of Genetics”?
a) Gregor John Mendel
b) Newton
c) Watson and Crick
d) Friedrich Miescher
Question 29: We regularly come across some lines marked on the back of products. What are they called?
a) Bar-code
b) Spooler
c) Scanner
d) Output reader
e) Price tag
Question 30: In which part of the cell does gene mutation take place?
a) mitochondria
b) cell membrane
c) nuclear membrane
d) ribosomes
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Question 31: The earth’s primary source of energy is
a) the Moon
b) the Sun
c) the core of the earth
d) the atmosphere
Question 32: The phenomenon by which light bends when it travels from one medium to another is called
a) polarization
b) diffraction
c) lateral inversion
d) refraction
Question 33: Sir CV Raman was awarded the Nobel Prize for his work on
a) diffraction of light
b) polarization of light
c) scattering of light
d) interference of light
Question 34: The technique of radiocarbon dating is used to measure the age of
a) vehicles
b) fossils
c) buildings
d) monuments
Question 35: The deficiency of red blood cells in blood leads to
a) goiter
b) amnesia
c) cancer
d) none of the above
Question 36: The deficiency of iodine in the body causes
a) amnesia
b) goiter
c) dementia
d) cancer
Question 37: The substance that imparts yellow colour to human urine is
a) bile
b) cholesterol
c) chlorophyll
d) urochrome
Question 38: The mushroom which we eat as vegetable is a/an
a) Algae
b) Fungus
c) Fern
d) Moss
Question 39: The density of water is 1 g/cc. This is strictly valid at
a) 0 C
b) 4 C
c) 25 C
d) 100 C
Question 40: Solids which conduct electricity at higher temperature but not lower temperature are called
a) super-conductor
b) metallic-conductor
c) semi-conductor
d) insulator
Question 41: Tuberculosis is caused by
a) Virus
b) Bacteria
c) Protozoa
d) Fungi
Question 42: Common coal used in our household is
a) Anthracite
b) Bituminous coal
c) Lignite
d) All of these
Question 43: The tropic of Cancer does not pass through
a) Egypt
b) India
c) Iran
d) Mexico
Question 44: Souring of milk is due to
a) Protozoa
b) Bacteria
c) Virus
d) Nematode
Question 45: The curcumin is isolated from
a) Garlic
b) Turmeric
c) Sunflower
d) Rose flower
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Question 46: Araneology is
a) Study of mites
b) Rearing of bees
c) Study of aphids
d) Study of spiders
Question 47: A member of Liliaceae that shows reticulate venation is
a) Allium
b) Scilla
c) Smilax
d) Aloe
Question 48: Where was the India’s first electric zero-emission bus introduced recently ?
a) Ranchi
b) Kolkata
c) Bangalore
d) Guwahati
e) Delhi
Question 49: In which state of India is the Netravali Wildlife Sanctuary located?
a) Karnataka
b) Madhya Pradesh
c) Goa
d) Rajasthan
e) Assam
Question 50: Connection or link to other documents or Web Pages that contain related information is called—
a) dial-up
b) electronic commerce
c) hyperlink
d) e-cash
e) domain name
Question 51: An online discussion group that allows direct ‘live’ communication is known as——–
a) Webcrawler
b) chat group
c) regional service provider
d) hyperlink
e) e-mail
Question 52: The metal which can be deformed permanently by heat and pressure is called a
a) Thermoplastic
b) Thermoset
c) Chemical compound
d) Polymer
Question 53: A(n) ……….. appearing on a web page opens another document when clicked.
a) anchor
b) URL
c) hyperlink
d) reference
e) heading
Question 54: To display the contents of a folder in Windows Explorer you should ………..
a) click on it
b) collapse it
c) name it
d) give it a password
e) rename it
Question 55: Which Shipyard has the largest shipbuilding as well as maintenance facility in India?
a) Visakhapatnam
b) Chennai
c) Cochin
d) Mumbai
e) Kolkata
Question 56: India’s Space Rocket Launching Centre is in……………..
a) Portblair
b) Hassan
c) Tirupati
d) Kochi
e) Sri Harikota
Question 57: In science a push or pull of an object is called ________.
a) Pick
b) Lift
c) Force
d) Shut
Question 58: The vitamin which is liable to be destroyed during cooking is
a) Vitamin A
b) Vitamin B6
c) Vitamin C
d) Vitamin K
Question 59: The study of different aspects of oceans is called as?
a) Oceanology
b) Seismology
c) Oceanography
d) Entomology
Question 60: Vitamin C is also known as :
a) Citric acid
b) Ascorbic acid
c) Carbonic
d) Folic acid
Question 61: For galvanizing iron which of the following metals is used?
a) Zinc
b) Copper
c) Aluminium
d) Lead
Question 62: What is formed when a metal is reacted with acid ?
a) Zinc
b) Sulphur
c) Carbon
d) Hydrogen Gas
Question 63: Small-pox is a deadly and highly contagious
a) Bacterial disease
b) Viral disease
c) fungal disease
d) Vitamin deficiency disease
Question 64: Which instrument is used to record Atmospheric Pressure ?
a) Thermometer
b) Barometer
c) Seismometer
d) oscilloscope
Question 65: Which instrument is used to record Speed of a vehicle ?
a) Thermometer
b) Barometer
c) Speedometer
d) oscilloscope
Question 66: The smallest particle of an element is called :
a) Ion
b) Electron
c) Atom
d) Molecule
Question 67: When you eat Carrot, you are eating .
a) Root
b) Stern
c) Leaf
d) Fruit
Question 68: Rusting of iron involves .
a) oxidation
b) reduction
c) decomposition
d) displacement
Question 69: The thickness of troposphere can increase during
a) Winter
b) Summer
c) Spring
d) None of these
Question 70: The lightest gas in the atmosphere is
a) Hydrogen
b) Nitrogen
c) Oxygen
d) None of these
Question 71: Genomic (DNA) studies in camel have been completed recently by the scientists of
a) South Africa
b) India
c) China
d) Pakistan
Question 72: Storing same data in many places is called _____
a) iteration
b) concurrency
c) redundancy
d) enumeration
e) None of these
Question 73: Science dealing with study of soil is called
a) Pedology
b) Pedagogy
c) Ecology
d) Pomology
Question 74: Dolomite is an Ore of
a) Zinc
b) Lead
c) Iron
d) Magnesium
Question 75: Which is obtained as slag in a blast furnace?
a) Calcium Carbonate
b) Calcium Sulphate
c) Calcium Chloride
d) Calcium Silicate
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Question 76: Who first postulated that DNA has a structure of double-helix shape ?
a) Newton
b) Edward Jenner
c) Madame and Pierre Curie
d) Watson and Crick
Question 77: Scapula is a bone found in:
a) Spinal Cord
b) Jaw
c) Shoulder bone
d) All of the above
e) None of these
Question 78: Plasma is formed in the stars because of very:
a) high temperature
b) high pressure
c) low pressure
d) low temperature
Question 79: Thermochemical decomposition of organic materials at high temperatures, in the absence of oxygen is called
a) Pyrolysis
b) Thermolysis
c) Caramelization
d) Catagenesis
Question 80: Solder is an alloy of
a) Zinc and Lead
b) Zinc and Copper
c) Tin and Zinc
d) Tin and Lead
Question 81: In radio-communication, the signals emitted by transmitting antenna are reflected on
a) stratosphere
b) ozonosphere
c) ionosphere
d) troposphere
Question 82: Entomology is the study of
a) Birds
b) Insects
c) Fossils
d) Fungi
Question 83: The nuclear particle having no mass and no charge, but only spin is
a) proton
b) neutrino
c) meson
d) electron
Question 84: Soil formed by leaching and oxidation is
a) Black soil
b) Laterite soil
c) Red soil
d) Montane soil
Question 85: Which gas is used to dilute oxygen in the gas cylinders used by divers ?
a) Krypton
b) Argon
c) Helium
d) Neon
Question 86: The ambient air is stable when the ambient lapse rate is
a) Neutrally stable
b) Hyperadiabatic
c) Subadiabatic
d) Superadiabatic
Question 87: During a period of time you see so many websites and pages exhibited by
a) Status Bar
b) History List
c) Task Bar
d) Tool Bar
Question 88: Who was the Swiss based NRI scientist conferred with Pravasi Bharatiya Samman 2019 in the field of science?
a) Gita Gopinath
b) Rajinder Nath Khazanchi
c) Anil Sooklah
d) Rajendra Joshi
Question 89: Filariasis is a disease caused by
a) worms
b) fungus
c) bacteria
d) protozoa
Question 90: A pigment generally used to impact white colour in a paint is
a) graphite
b) lead
c) copper sulphate
d) zinc
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Question 91: Seismography is the science of
a) Mountains
b) Earthquakes
c) Rivers
d) Volcanoes
Question 92: Which Indian tech company became the world’s third largest employer of people in the technology sector?
a) TCS
b) Infosys
c) Wipro
d) Cognizant
Question 93: Solar Panels convert … energy to … energy
a) Heat, electricity
b) Electricity, Heat
c) Light, electricity
d) Heat, Light
Question 94: What is the common name of sodium hypochlorite?
a) borax
b) baking soda
c) bleaching powder
d) milk of magnesia
Question 95: Electric current is measured using which instrument ?
a) Ammeter
b) Voltmeter
c) Anemometer
d) Wattmeter
Question 96: The largest ecosystem of the Earth is
a) Biome
b) Hydrosphere
c) Lithosphere
d) Biosphere
Question 97: The percentage of sun’s radiation reflected back into space is about
a) 36 per cent
b) 47 per cent
c) 17 per cent
d) None of these
Question 98: …………….. is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.
a) Lunar year
b) Sidereal year
c) Solar year
d) Tropical year
Question 99: The following metal is used in storage batteries–
a) Iron
b) Copper
c) Zinc
d) Lead
Question 100: A body which is a good absorber of heat is also a
a) good reflector
b) cannot be predicted
c) good radiator
d) bad radiator
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Answers & Solutions:
1) Answer (A)
2) Answer (C)
3) Answer (A)
4) Answer (B)
5) Answer (C)
6) Answer (D)
7) Answer (D)
8) Answer (B)
9) Answer (C)
10) Answer (D)
11) Answer (B)
12) Answer (D)
13) Answer (A)
14) Answer (D)
15) Answer (B)
16) Answer (C)
17) Answer (B)
18) Answer (B)
19) Answer (D)
20) Answer (D)
21) Answer (D)
22) Answer (D)
23) Answer (C)
24) Answer (C)
25) Answer (D)
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26) Answer (B)
27) Answer (C)
Diamond is the hardest substance on the earth.
28) Answer (A)
29) Answer (A)
30) Answer (A)
31) Answer (B)
32) Answer (D)
33) Answer (C)
34) Answer (B)
35) Answer (B)
36) Answer (B)
37) Answer (D)
38) Answer (B)
39) Answer (B)
40) Answer (C)
41) Answer (B)
42) Answer (B)
43) Answer (C)
44) Answer (B)
45) Answer (B)
46) Answer (D)
47) Answer (C)
48) Answer (C)
49) Answer (C)
50) Answer (C)
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51) Answer (B)
52) Answer (B)
53) Answer (C)
54) Answer (A)
55) Answer (C)
56) Answer (B)
57) Answer (C)
58) Answer (C)
59) Answer (A)
60) Answer (B)
61) Answer (A)
62) Answer (D)
63) Answer (B)
64) Answer (B)
65) Answer (C)
66) Answer (C)
67) Answer (A)
68) Answer (A)
69) Answer (B)
70) Answer (A)
71) Answer (D)
72) Answer (C)
73) Answer (A)
74) Answer (D)
75) Answer (D)
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76) Answer (D)
77) Answer (C)
78) Answer (A)
79) Answer (A)
80) Answer (D)
81) Answer (C)
82) Answer (B)
83) Answer (B)
84) Answer (B)
85) Answer (C)
86) Answer (C)
87) Answer (C)
88) Answer (D)
89) Answer (A)
90) Answer (D)
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91) Answer (B)
92) Answer (A)
93) Answer (C)
94) Answer (C)
95) Answer (A)
96) Answer (A)
97) Answer (A)
98) Answer (B)
99) Answer (D)
Lead is most commonly used in storage batteries
100) Answer (C)
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We hope this Science and Technology Questions are very useful for your Preparation.