Saturday, February 5, 2011

SCIENCE AND TECHNOLOGY QUESTIONS

National Science Day February 28, 2011
National Science Day is celebrated in India on February 28 every year to mark the discovery of Raman Effect by C.V. Raman. The event is commemorated in honour of Sir C.V. Raman for his legacy and discovery of the Raman Effect on February 28, 1928, for which he was awarded the Nobel Prize in 1930.Sir Chandrasekhara Venkata Raman, FRS, (November 1888 – 21 November 1970) was an Indian physicist and Nobel laureate in physics recognized for his work on the molecular scattering of light and for the discovery of the Raman Effect, which is named after him.
National Science Centre will also be celebrating the National Science Day 2011 on 28th February 2011l.


The National Science Week Quiz 2010
QUESTIONS:
Round one: chemistry
1. What is the only substance on earth that can be found naturally in all three states:
solid, liquid and gas?
2. What substance should you use to treat a box jellyfish sting?
3. Name five elements that are named after famous scientists.
4. Before petrol was used as fuel, it was used to treat what common parasite?
5. What is the most abundant major element dissolved in the ocean?
Round two: space
1. In astronomy, what does the term bary centre refer to?
2. How many orbits does the International Space Station complete per day?
a) one, b) none, it is stationary, c) between 5 and 10, d) more than 10.
3. Is the moon’s orbit: a) slowly getting bigger, b) staying the same, c) slowly getting smaller?
4. Which planet boasts the largest known volcano in our solar system?
5. Each of the planets have at least one Moon, except for which two?
Round three: animals
1. Which part of the elephant is responsible for its cooling?
2. What colour is a polar bear’s fur?
3. A fiddler crab does what to attract a mate?
4. How many hearts does a squid have?
5. If a bird has a hooked beak, what sort of food is it likely to eat?
6. Rank the following in terms of longest to shortest gestation period: possum,
elephant, whale, baboon, mouse.
7. The most venomous vertebrate in the world is an: a) amphibian, b) reptile, c) fish, d)
marsupial?
8. Which of these animals cannot roar? a) lion, b) cheetah, c) leopard, d) jaguar, e)
tiger.
9. What primary sense does the Common Barn Owl (Tyto alba) use to hunt?
10. The orca is part of which oceanic family?
Bonus question: By what process do bees produce honey from nectar? a) purification, b)regurgitation, c) denitrification, d) pollination.
Round four: physics
1. Whose cat was said to be both alive and dead until looked at?
2. What is the purpose of the dimples on a golf ball?
3. What does an object’s Mach number refer to?
4. The Holy Grail of physics is a theory that can explain all known forces in a single
equation. What's it called?
5. Which radiation has the shorter wavelength: infrared or ultraviolet?
Round five: the human body
1. We get seasick because of mixed messages from two of our organs. Which two?
2. Prosopagnosia is the inability to recognise what?
3. Are the tears caused by cutting onions different from sadness tears?
Brought to you by CSIRO's Double Helix Science Club www.csiro.au/doublehelix

ANSWERS:
Round one: chemistry
1. Water. According to UNESCO each person needs 20-50 litres of water each day to ensure
their basic needs are met. How much do you use?
2. Vinegar. The acetic acid deactivates the box jellyfish’s nematocysts (needle-like stingers). This
prevents the stingers from discharging their poison into the bloodstream.
3. Bohrium, copernicium, curium, einsteinium, fermium, lawrencium, meitnernium, mendelevium,nobelium, roentgenium, rutherfordium, seaborgium.
4. It was sold in small bottles to treat lice. These days over four billion tonnes are producedannually for fuel. While it is not possible to produce enough plant-based oil to significantlyreduce this amount, CSIRO scientists and international delegates have met in Cairns todiscuss how plant oil could be better served to reduce oil use in producing products such aslubricants, plastics and polymers.
5. Sodium.
Round two: space
1. The point around which two bodies orbit. The barycentre of the Earth and Moon is
approximately 1,700 kilometres below the Earth’s surface, which makes the Moon appear toorbit around the Earth.
2. (d) The ISS travels at approximately 27,724 kilometres per hour, completing about 15.7 orbitsper day. That’s one fast spacewalk!
3. (a) Given the moon is moving away from the Earth at a rate of 3.8 cm a year, its orbit is slowlyincreasing in size.
4. Mars (the volcano is called Olympus Mons).
5. Venus and Mercury.
Round three: animals
1. The ears. The elephant’s highly vascular ears allow blood to circulate close to the surface,cooling it as its ears flap in the breeze. Whodatrunk it?
2. Colourless and transparent. It looks white because of the way the inner surface of the hairsreflect light.
3. Wave its large claw furiously. The faster the wave, the more attractive it appears.
4. They’ve got three strong hearts. Two green hearts that feed the gills and a larger, systemicheart that pumps blood through the body.
5. Meat.
6. Elephant (22 months), whale (9-12 months), baboon (6 months), mouse (20 days), possum (16days).
7. (a)The Golden poison frog is currently considered the most venomous vertebrate in the world,followed by the puffer fish.
8. (b) The other four are all part of the Panthera genus, often referred to as the ‘great cats’, andare the only cat species that have the anatomical structure that allows them to roar. No, I ain’tlion nor cheatin’ ya.
9. Don’t let those big eyes fool you! The answer is hearing.
10. Although commonly referred to as killer whales, orcas are actually part of the dolphin
(Delphinidae) family. Killer whales were spotted lurking in the southern ocean by CSIRO
statisticians working with the Australian Antarctic Division as they conducted aerial surveys ofwhale populations.
Bonus question: 11. (b) Bees regurgitate nectar several times, often as a group, to produce honey.Yum! Honey isn’t the only thing they produce - they also make silk. CSIRO scientists have usedhoneybee silk to leap one step closer to being the first to artificially produce insect silk. They havemanaged to draw out strands of honeybee silk from a ‘soup’ of proteins produced with the help of E.coli bacteria.
Round four: physics
1. Schrödinger’s.
2. To reduce drag. Were you a fair way off that one?
3. The speed of the object in a particular substance divided by the speed of sound in that
substance.
4. The Grand Unified Theory (sometimes referred to as the Theory of Everything).
5. Ultraviolet.
Round five: human body
1. Your (inner) ears and your eyes.
2. Faces.
3. Yes. They differ in their chemical makeup. Emotional tears contain more protein-based
hormones (including natural painkillers) that the body produces when under stress. Don’t be
upset if you didn’t know the answer to this one.
4. Red blood cells. They have no nucleus, which means they can hold more haemoglobin.
5. Smallpox.
Round six: mathematics
1. 101.
2. Hexagons.
3. Fibonacci sequence.
4. One squared, two squared, three squared, four squared…
5. Four.
Round seven: earth sciences
1. The Himalaya.
2. (d) The earth rotates on its own axis.
3. (d) More than half of Australia’s territory is ocean.
4. Peak temperature of lightning (over 20,000 Kelvin), surface of the sun (over 5,000 Kelvin), thefilament of a tungsten light bulb (over 2,500 Kelvin), molten lava (over 1,000 Kelvin).
5. Gondwana.
Round eight: true or false
1. False. Baleen whales such as blue whales and humpback whales have two blowholes
(analogous to other mammals having two nostrils). Toothed whales (sperm whales, orcas,dolphins) have only one nostril, the other nostril having evolved into a tool for echolocation.
2. False. It has been discovered that matter is made up of smaller units called quarks and leptons and possibly other things yet to be discovered.
3. False. They are similar but not the same.
4. True. The inner core is surrounded by a liquid outer core then the mantle and the crust upon
which sits the tectonic plates and the continents and oceans.
5. False. It requires enough air particles in order to generate lift and make the boomerang turn. Ithas been tested and seen to work, however, on the International Space Station.

Science quiz
1. What amino acid in turkey makes you sleepy?
a. Tryksoamine
b. Tryptophan
c. Phenylalanine
d. Serotonin
e. turmanazine

2. Which gas makes up the largest composition of atmospheric air on Earth?
a. Carbon dioxide
b. Nitrogen
c. Water from photosynthesis
d. Oxygen
e. Other rare gases

3. Epilepsy is due to damage of what part of NS
a. Cerebrum could be due to any localized effect, I know there're drugs that specifically affect the cerebral hemispheres--
b. Cerebellum
c. Pons
d. Medulla
e. Spinal cord

4. There is greater obstruction in right bronchi because

a. It is smaller than the L
b. It is longer than the L
c. Obstruction is equal in both L and R bronchi
d. Statement not true, there is greater obstruction in L bronchi
e. None of the above its because right bronchus is wider and at a steeper angle than left therefore anything plunged down can lodge itself.

5. Of the food items listed below, which has the most calories?

a. McDonalds small fries
b. 4 pieces of eel sushi
c. Starbucks Mocha frap with NO whip cream
d. Starbucks yogurt parfait (normal size)
Test your knowledge of science tidbits in the news recently.
Answers are at the bottom:
1. San Jose State University scientist Natalie Batalha led NASA’s Kepler satellite team to discover a rocky, Earth-sized planet outside our solar system. It glows with scorching temperatures, has no water and has clouds that appear to be toxic melted silicon. It is about 1.5 times the Earth’s diameter and almost five times as massive. It speeds around a star similar to our sun in the constellation Cygnus. The discovery is one of the first major dividends paid by NASA Ames’ Kepler spacecraft, launched in March 2009.What have scientists named this exoplanet?
2. Australia’s Queensland has been in the grip of its worst flooding for more than two weeks, after tropical downpours covered an area the size of France and Germany combined. Entire towns have been swamped, more than 200,000 people affected and coal and farming industries virtually shut down. Last week, a deadly tsunami-like wall of water roared through the streets of the northeast city of Brisbane.What do meterologists say is causing the horrendous flooding?
3. A space shuttle’s final flight keeps getting delayed and has now been postponed until the end of February. It is loaded with supplies for the International Space Station as well as a humanoid robot that will be tested in orbit. NASA is to retire the shuttle fleet this year, turn over space station taxi flights to private companies and focus on eventual expeditions to asteroids and Mars.
Which shuttle is scheduled to go up for its final flight next month?
4. Humans have been imbibing this beverage for a long time — at least 6,000 years ago, it turns out. A University of California, Los Angeles-led team of archaeologist have discovered a cave in the Armenian mountains with the equipment to produce and the bowls from which to drink this concoction. What did the ancients enjoy so much they were willing to go through the work of making it?
5. The environmentally sensitive Lousiana marshes, which provide habitat for a variety of microscopic sea life, are still covered in oil from the Deepwater Horizon rig explosion in the Gulf of Mexico. But out at sea, scientists say much of the methane that leaked from the well is gone. What happened to it?
ANSWERS

1. Kepler-10b.
2. La Nina, a lowering of sea-surface temperatures in the tropical eastern Pacific Ocean. The term comes from the Spanish “the girl” and it brings wetter conditions to Australia.
3. Space shuttle Discovery.
4. Wine.
5. Bacteria consumed much of the methane, say microbial geochemists at the University of California, Santa Barbara.
Aqua Regia Science Quiz- Delhi City Finals
Date: 23 November, 09
Venue: Siri Fort Audi, New Delhi
Quiz Master: Mr. Ajay Antony

FIRST ROUND
Q. If you come home after coming from a Science Museum and smell Ethale Mercapton,
What will you do?
A. Open the windows and take fire safety measures as LPG is leaking. I know this
because Ethyl Mercaptan is the pungent smelling compound added to LPG to detect its
leakage. LPG is an odourless gas.
Q. In 1914, a wealthy businessman of USA wants to travel from point A to point B 400
miles apart as fast as possible. He owns 2 private airplanes and the two places A and B
have airbases. But the wealthy business man takes his car. Why?
A. Because in 1914 the cars were faster than the airplane
Q. What is Bariatrics, the study of?
A. Bariatrics is the branch of medicine that deals with the causes, prevention, and
treatment of obesity.
Q. If you are using White Phosphorus white phosphorus, then from where have you might taken it now?
A. From water or kerosene oil as White Phosphorus reacts in air.
Q. If you are in a mall and using the Brannock device, then what have you been doing?
A. Measuring the shoe size as it is the device used in shoe stores to measure a person.s shoe size.
Q. A pilot wants a sterile cockpit. What do we mean by Sterile Cockpit?
A. No disturbances of any kind particularly talking in the cockpit should be there.
SECOND ROUND (Audio/Visual)
Q.
A. The words Magnetic hill and Gravity were hidden. Teams had to identify these words.
Q. A video clip from A Sci-fi movie was played. The movie had to be identified and the
sign on the lab coat of the scientist was to be told.
A. Back to the Future (Movie). The sign on the lab coat of the scientist was
Radioactivity.
Q.
What is this?
A. World.s first X-Ray by William Roentgen of his wife.s hand. The ring on his wife.s
hand is also there.
Q. An animated video was shown. The question was: What is the enclosed space/shelter
designed to protect people from nuclear bombings or debris?
A. Nuclear Fallout Shelter
Q.
What is this?
A. The undersea cabinet meeting of the Maldives government to raise concern about the
fact that Maldives is under constant threat of drowning due to Global warming.
Q. An audio clip was played. We had to identify the next very famous sentence of the
speech. Clue: the clip wasn.t clear at all. There were long gaps as if it was taking time to be received.
A. The famous sentence of Neil Armstrong: That.s one small step for man, one giant leap for mankind
ROUND THREE
(Different letters were revolving and moving in a zig-zag manner. The word formed from the given letters had to be identified.)
CYTTLASA-----Catalyst
RAEOMNMEET-----Anemometer
ICLBEED-----Decibel
NOILSUEM-----Emulsion
GGREIE TNUCORE----Geiger Counter

General Science Questions & Answers - Science Quiz
1The theory of relativity was propoundedbyAlbert Einstein
2The principal metal used inmanufacturing steel isIron
3 An altimeter is used for measuring Altitude
4 Oology is the study of Bird Eggs
5 Radioactivity was discovered by Henry Bacquerel
6 The metal used in storage batteries is Lead
7The instrument used to measure therelative humidity of air isHygrometer
8 Barometer was invented by Torricelli
9 The unit of power is Watt
10 Radium was discovered by Marie and Pierrie Curie
11The existence of isotopes wasdiscovered byFrederick Soddy
12 Dynamo was invented by Michael Faraday
13 The nuclear reactor was invented by Enrico Ferni
14The law of gravitation was propoundedbySir Isaac Newton
15 Crescograph was invented by J.C.Bose
16 Crescograph is used to measure the Rate of growth of a plant
17 Galileo's first scientific discovery was Pendulum
18 Microscope was invented by Aaton Van Leewen Hock
19The scientist who is known as father ofmodern biology isAristotle
20The first person to see a cell undermicroscope wasRobert Hooke
21 The smallest flowering plant is Worffia
22The four blood groups were discoveredbyKarl Landsteiner
23 Sodium was discovered by Sir Humphry Davy
24 The atomic number of oxygen is Eight
25 The basic building blocks of proteins are Amino acids
26The botanical name of the cotton plantisGossipium Hirsutum
27 An Electroscope is used to Detect charges on a body
28 The unit of loudness is Phon
29 An ammeter is used to measure Electric current
30 Plant that eat insects are called Insectivorous plants
31Fruits that are formed withoutfertilization are calledParthenocarpic
32Plants that flower only once in theirlifetime are calledMono carpic
33 The botanical name for rice is Oryza Sativa
34 Penicillin is obtained from Mould
35 The largest tree in the world is Seguoia Gigantica
36 Herpetology is the study of Reptiles
37 Entomology is the study of Insects
38 Ornithology is the study of Birds
39 Ichtyology is the study of Fishes
40 Osteology is the study of Bones
41 The botanical name for brinjal is Solanum melongenal
42 The botanical name for onion is Allium Cepa
43 The study of sound is called Acoustics
44 The study of heavenly bodies is called Astronomy
45 The study of tissues is called Histology
46 Electric Lamp was invented by Thomas alva Edison
47 The fear of crowd is called Ochlophobia
48 The fear of books is called Bibliophobia
49 The fear of going to bed is called Clinophobia
50 The symbol of gold is Au
51 The symbol of sodium is Na
52 The symbol of Sr stands for Strontium
53 The symbol Rb stands for Rubidium
54 The symbol Md stands for Mendelevium
55 Calcium sulphate is commonly called Plaster of Paris
56 Sodium carbonate is commonly called Washing Soda
57 Sodium chloride is commonly known as Common Salt
58 The chemical name of Chloroform is Trichloromethane
59 The chemical name of baking powder is Sodium bicarbonate
60The chemical name of bleaching powderisCalcium hypochlorite
61 The formula HCL stands for Hydrochloric Acid
62 The formula H2SO4 stands for Sulphuric Acid
63 The formula CHCI3 stands for Trichloromethane
64 The formula H2O2 stands for Hydrogen peroxide
65A fungus which can only survive onother living organisms is calledObligate Parasite
66 A plant which lives in the dark is called Scotophyte
67A plant adapted to live in dry places iscalled aXerophyte
68A plant adapted for growth in water iscalled aHydrophyte
69 Bifocal lens was invented by Benjamin Franklin
70 Cement was invented by Joseph Aspdin
71 Laser was invented by Dr.Charles H.Townes
72 Electromagnet was invented by William Sturgeon
73 Rayon was invented by Sir Joseph Swann
74Thermostat is an instrument used forregulatingConstant temperature
75The science of organic forms andstructures is known asMorphology
76 Phycology is the study of Algae
77Tata Institute of Fundamental Researchwas established in1945
78 CSIR stands forCouncil of Scientific and IndustrialResearch
79 ISRO stands for Indian Space Research Organisation
80The first human being to land on moonwasNeil Armstrong
81 The first Indian in space was Rakesh Sharma
82 ISAC stands for ISRO Satellite Centre
83 VSSC stands for Vikram Sarabhai space Centre
84 The headquarters of ISRO is located at Bangalore
85 VSSC is located at Thiruvananthapuram
86 ISAC is located at Bangalore
87 National Science Centre is located at New Delhi
88Central Tobacco Research Institute islocated atRajahmundry
89Indian Institute of Horticultural Researchis located atBangalore
90The Atomic Energy Commission was setup inAugust 1948
91 The first Indian Satellite was Aryabhatta
92The first Indian Satellite was launched inthe year1975
93 ASLV stands for Augmented Satellite Launch Vehicle
94 INSAT stands for Indian National Satellite
95 The fear of women is known as Gynophobia
96 The fear of men is known as Androphobia
97The scientist who developed theQuantum theory wasMax Plonck
98 The steam engine was invented by James Watt
99 The botanical name of tea is Camellia Sinensis
100 Logarithms were devised by John Napier
101 The acid used in a car battery is Sulphuric acid
102The system for writing by blind peoplewas invented byLouis Braille
103The parachute was used for the firsttime byJ.P.Blanchard
104The German physicit who firstdemonstrated the existence of Radiwaves wasHenrich Hertz
105The instrument that records the intensityof earthquakes isSeismograph
106The laws of floating bodies wasdiscovered byArchimedes
107 The density of milk is measured by a Lactometer
108 Fountain pen was invented by L.E.Waterman
109The instrument used to measure thepressure of gases is theMonometer
110 Bhaskara I was a famous Astronomer
111The first atomic power stationestablished in India was theTarapore Atomic Power Station
112The role of heredity was demonstratedbyMendel
113The instrument used to measure theconcentration of salt water is theSalinometer
114 Spectroscopy is the study of Anders John Angstrom
115 Dactylography is the study of Finger Prints
116A tangent galvanometer is used to studytheStrength of direct current
117 The fruit of Oak is called Acron
118 ZETA stands for Zero Energy Thermonuclear Assembly
119 The formula C6H5OH stands for Phenol
120Michael Faraday worked as an assistantunder another scientist whose name was Sir Humphry Davy
121 Vulcanised rubber was invented by Charles Goodyear
122 The symbol Zn stands for Zinc
123 The symbol He stands for Helium
124 Celluloid was invented by A.Parker
125 Glider was invented by Sir George Caley
126 Safety matches was invented by J.E.Lundstrom
127 Radio valve was invented by Sir J.A.Fleming
128 Space Applications Centre is located at Ahmedabad
129 Atomic Energy Commission is located at Mumbai
130 Dynamics is the study of Movements of bodies
131 Statics is the study of Forces acting on bodies at rest
132 Mechanics is the study of Forces acting on bodies
133 Zoology is the study of Animal life
134 Botany is the study of Plant life
135 Psychology is the study of Human mind
136 The first American to orbit earth was John H.Glen
137The electro-cardiograph was inventedbyWilliam Einthoven
138 The molecular formula of cane sugar is C12H22O11
139A compound which contains onlyhydrogen and Carbon is called aHydrocarbon
140The liquid used to preserve specimensof plans and animals isFormalin
141The law of segregaton was propoundedbyMendel
142 Auriscope is used to detect Ear disorders
143 The three states of matter are Solid,liquid and gas
144 The scientific name for blood platelets is Thrombocytes
145 The response of a plant to heat is called Thermotropism
146The response of a plant to touch iscalledTrigmotropism
147 The symbol Zr stands for Zirconium
148 Nickel was discovered by Cronstledt
149 Manganese was discovered by Gahn
150The common name for pottasiumcarbonate isPotash
151 Bismuth was discovered by Valentine
152 The biggest plant seed is Cocodemer
153 Toxicology is the study of Poisons
154 Virology is the study of Viruses
155 Paleontology is the study of Fossils
156 Calorimeter is used to measure Quantity of heat
157 Chronometer was invented by John Harrison
158 Stethoscope was invented by William Stockes
159 Spinning frame was invented by Sir Richard Arkwright
160 Al stands for Aluminium
161 Gd stands for Gadolinium
162 Ir stands for Iridium
163 Bi stands for Bismuth
164The Chemical formula of sodiumbicarbonate isNaHCO3
165 The chemical formula of common salt is Nacl
166The chemical formula of washing sodaisNa2CO3,IOH2O
167 The chemical formula of lime soda is CaCO3
168 The chemical formula of chloroform is CHcl3
169 The study of grasses is known as Agrostology
170 The study of antiquities is known as Archaeology
171The study of the duration of life is known as Chronobiology
172 The study of bacteria is known as Bacteriology
173 Nylon was invented by Dr.Wallace H.Carothers
174 Electric razor was invented by Jacob Schick
175 The symbol of silver is Ag
176 The symbol of silicon is Si
177 The symbol of titanium is Ti
178 Calcium oxide is commonly known as Quick lime
179A deviation of light passing from onemedium to another is known asRefraction
180An apparatus for generation of atomicenergy is called aReactor
181A machine used for convertingmechanical energy into electrical energyis called aGenerator
182 The first Indian woman in space was Kalpana Chawla
183 The revolver was invented by Samuel Colt
184 The refrigerator was invented by J.Perkins

(INDIAN INSTITUTE OF SCIENTIFIC HERITAGE )
QUESTIONS FOR THE NATIONAL SCIENCE DAY WRITTEN QUIZ COMPETITIONS

1. Which Indian scientist has discovered that plants respond to external stimulus?
2. The ancient Indian steel was commonly known as
3. Who is the chairman of ISRO?
4. One of the greatest philosophers who was the Indian presidents
5. 'Buddha smiles" is connected with experiment
6. 62,832 √∑ 20,000 as the value for was discovered by.
7. What is the subject discussed in Rasaratna samucchaya ?
8. In which ancient Indian text book the Pythagoras theorem is given ?
9. Name two cave temples in India.
10. Indian experiments program on moon was named as
11. ICAR =
12. Dr. Kurien is famous for his activities in
13. Agni is the latest of India .
14 .The new institute ( in Kerala ) which will focus in the Space science & technology.
15. What is Kalpaakkam famous for ?
16. What is Chandipur famous for ?
17. Who is the author of Mahabhaskareeya ?
18. The author of Artha saastra .
19. Raman effect was discovered by Dr. C. V. Raman and
20. is an arch dam in Keralam .
21. Which is the technological university in Kerala ?
22. Two ancient books describbing the health science
23. In which ancient Indian book the plastic surgery has been explained ?
24. Name two temples where granite sangeetha mandapams are present.
25. Fresco painting can be seen in cave temple of India.
26. The movement of sun towards north is known as .
27. The author of Pancha siddhantika is
28. Which is the ancient silk saree producing centre in south India. ?
29. Name of Indian scientist who could formulate the Bose- Einstein equation.
30. Name the ancient Indian book describing the grafting of plants.
31. Why May 11th is known as technology day of India ?
32. Name two metals in brass alloy .
33. Thakshasila is in
34. Proposed name ofr the Vice chancellor of renovating Nalanda university .
35. Name two arishtas in ayurveda.
36. Who has described yoga darsana ?
37. Name the Nobel prize winning Indian scientist involved in the studies of black hole
38. Name the Indian mathematics genius who worked in Cambridge university.
39. Name two ancient Kerala mathematicians .
40. What is T I F R?
41. Name the latest computer discovered recently, in India.
42. Name the first three dimension movie in India.
43. Who wrote the book ' Hindu chemistry'?
44. Who created the phrase 'diagnostic pain'
45. What is DDT. ?
46. Forensic science deals with (subject)
47. Which is the national river of India?
48. ' Kudremukh' mines are famous for ores
49. Who is producing nano car?
50. Head of all the three defense forces of India
51 -60 Write ten points on the ancient Indian scientific and technological heritage

SCIENCE QUESTIONS:
Q. What colour does acid turn Litmus paper?
A. Red
Q. Which metal do you get from bauxite?
A. Aluminium
Q. Which animal produces the biggest baby?
A. Blue Whale
Q. Acid rain is composed mainly of the oxides of two elements. Give either.
A. Sulphur or Nitrogen
Q. What sort of creature is a bustard?
A. A bird
Q. What is calcium carbonate normally known as?
A. Chalk
Q. What word do we use to describe the Asexual reproduction of a genetic carbon copy of an animal or plant?
A. Clone
Q. Which chemical element has the shortest name - 3 letters?
A. Tin
Q. What is the correct name for a rabbit's tail?
A. Scut
Q. What name is given to the negative electrode of an electrolytic cell?
A. Cathode
General Science Quiz Objective Questions with Answers
1. The type of glass used in making lenses and prisms is?
(a) soft glass
(b) pyrex glass
(c)jena glass
(d) flint glass
2. Wood is the main raw material for the manufacture of ?
(a) paint
(b) paper
(c) ink
(d) gun powder
3. How does common salt help in separating soap from the solution after saponification?
(a) By decreasing solubility of soap
(b) By increasing solubility of soap
(c) By decreasing density of soap
(d) By increasing density of soap
4. Which of the following is commonly called a ‘polyamide’?
(a) Rayon
(b) orlon
(c)Terylene
(d) Nylon
5. The major ingredient of leather is ?
(a)carbohydrate
(b) collagen
(c)polymer
(d) nucleic acid
6. In the manufacture of safety matches, which of the following materials are used to coat the two sides of match boxes?
1. Yellow phosphorus
2. Glue
3, Glass powder
4. Red phosphorus
(a) l, 2 and 3
(b) l,3 and 4
(c) l,2 and 4
(d) 2,3and4
7. Glass is made of the mixture of ?
(a)quartz and mica
(b) sand and salt
(c)sand and silicates
(d) None of these
8. Epoxy resins are used as
(a)moth repellants
(b) insecticides
(c)detergents
(d) adhesives
9.What is condensation?
(a) Change of gas into solid
(b) Change of solid into liquid
(c) Change of vapour into liquid
(d) Change of heat energy into cooling energy
10. Which of the following are true regarding a
catalyst?
1. It is a substance which increases the rate of reaction.
2. It is a substance which reduces the activation energy.
3. It is a substance which increases the activation energy.
4. It is a substance which is consumed in the reaction.
(a) l and 2
(b) 2 and 3
(c) 3 and 4
(d) l and 4
11. Which of the following is a physical change?
(a)Oxidation
(b) Reduction
(c)Sublimation
(d) Decomposition
12. A substance which changes readily into vapour without heating is called ?
(a)efflorescent
(b) synthetic
(c) volatile
(d) effervescent
13. Catalytic properties of a substance may be best defined as a phenomenon of ?
(a) Absorption
(b) Chemisorption
(c) Adsorption
(d) None of these
14. In which of the following processes light energy is converted into chemical energy?
(a)Respiration
(b) Fermentation
(c)Photosynthesis
(d)Photorespiration
15. Photosynthesis is?
(a) an exothermic process
(b) an endothermic process
(c) a neutral process
(d) a thermostatic process
16. Combustion is the process in which ?
(a) heat is produced.
(b) light is produced.
(c) heat and light are produced.
(d) None of these
17. The chemical used as a ‘fixer’ in photography is
(a) borax
(b) sodium thiosulphate
(c) sodium sulphate
(d) ammonium persulphate
18. The rate of chemical reaction does not depend upon ?
(a) Concentration
(b) Catalyst
(c)Temperature
(d) Pressure
19. Which of the following is a chemical change?
(a) Magnetisation of iron
(b)Melting of ice
(c) Burning of sulphur
(d)Melting of wax
20. Which of the following substances undergoes chemical change on heating?
(a) Sodium chloride
(b) Silica
(c) Lead nitrate
(d) Platinum wire
21. Water is neither acidic nor alkaline because
(a) it cannot accept or donate protons.
(b) it boils at a high temperature.
(c) it can dissociate into equal number of hydrogen ions.
(d) it cannot donate or accept electrons.
22. Chemical change does not take place in case of?
(a) souring of milk into curd
(b) rusting of iron in atmosphere
(c) burning of magnesium ribbon in air
(d) emitting of light by a red hot platinum wire
23. Vulcanization is a ?
(a) science of studying volcanoes
(b) method to degrade polymers
(c) process connected with the making of voltaic cells
(d) process of hardening of robber by heating it with sulphur
24. Which of the following causes the rusting of iron?
1. Oxidation
2. Reduction
3. Chemical reaction with oxygen
4. Chemical reaction with CO
(a) l and 2
(b) 2 and 3
(c) 3 and 4
(d) l and 3
25. Which of the following statements is/are true?
1. The process of oxidation leads to a gain of electrons.
2. The process of oxidation leads to a Toss of electrons.
3. The process of reduction leads to a gain of electrons.
4. The process of reduction leads to a loss of electrons.
(a) l only
(b) l and 4
(c) 2 and 3
(d) 4 only
26. Light year is a unit of measurement of
(a) speed of light
(b) stellar distances
(c) speed of rockets
(d) speed of aero planes
27. One micron is equal to
(a) 1/10th of nm
(b) 1/100th of nm
(c) 1/1000th of nm
(d) 1/10000th of nm
28. Hydrometer is an instrument
(a) for measuring sound under water
(b) to detect the presence of hydrogen in the atmosphere
(c) for measuring the specific gravity of liquids
(d) to detect the changes in atmospheric humidity
29. ‘Bar’ is the unit of ?
(a) heat
(b) temperature
(c) current
(d) atmospheric pressure
30. A chronometer measures
(a) sound waves
(b) time
(c) water waves
(d) colour contrast
31.One fathom is equal to?
(a) 6 meters
(b) 6 feet
(c) 60 feet
(d) 100 cms
32. What is the unit for. measuring the pitch or frequency of sound?
(a)Coulomb
(b) Hum
(c) Cycles
(d) Hertz
33. Electric current is measured by
(a) anemometer
(b) voltmeter
(c)ammeter
(d) commutator
34. Fathom is the unit of ?
(a) sound
(b) depth
(c) distance
(d) frequency
35. Kilohertz is a unit which measures
(a) electric resistance
(b) power used by a current of one ampere
(c) electromagnetic radio wave frequencies
(d)None of these
36. If you swim one km, how many miles do you swim?
(a) 0.5
(b) 0.62
(c) 0.84
(d) 1.6
37. Kilowatt is a unit to measure
(a)work
(b) electricity
(c) power
(d)current
38. Very small time intervals are accurately measured by the
(a) Pulsars
(b) Quartz clocks
(c) Atomic clocks
(d) White dwarfs
39. Decibel is the unit used for
(a) speed of light
(b) intensity of heat
(c) intensity of sound
(d) radio wave frequency
40. Which of the following is correct regarding the barometer commonly used in homes to see weather indication?
1. It is called Furlin’s barometer and uses mercury.
2. It is called Furlin’s barometer and uses alcohol.
3. It is called aneroid barometer and uses mercury.
(a)1
(b) 2
(c) 3
(d) None
Answers:
1d
2b
3 a
4 d
5 b
6 c
7 c
8 d
9 c
10 a
11 c
12 c
13 c
14 c
15 b
16 c
17 b
18 d
19 c
20 c
21 c
22 d
23 d
24 c
25 c
26 b
27 c
28 c
29 d
30 b
31 b
32 d
33 c
34 b
35 c
36 b
37 c
38 c
39 c
40 d