1. 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
2. Which of the following is commonly called a ‘polyamide’?
(a) Rayon
(b) orlon (c)Terylene (d) Nylon
3. The major ingredient of leather is ? (a)carbohydrate (b) collagen (c)polymer (d) nucleic acid
4. 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
5. Glass is made of the mixture of ?
(a)quartz and mica
(b) sand and salt (c)sand and silicates (d) None of these
6. Epoxy resins are used as
(a)moth repellants
(b) insecticides (c)detergents (d) adhesives
7. 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
8. 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
9. Which of the following is a physical change? (a)Oxidation (b) Reduction (c)Sublimation (d) Decomposition
10. A substance which changes readily into vapour without heating is
called ?
(a)efflorescent
(b) synthetic
(c) volatile
(d) effervescent
11. Catalytic properties of a substance may be best defined as a
phenomenon of ?
(a) Absorption
(b) Chemisorption
(c) Adsorption
(d) None of these
12. In which of the following processes light energy is converted into
chemical energy?
(a)Respiration (b) Fermentation (c)Photosynthesis (d)Photorespiration
13. Photosynthesis is?
(a) an exothermic process
(b) an endothermic process
(c) a neutral process
(d) a thermostatic process
14. Combustion is the process in which ?
(a) heat is produced.
(b) light is produced.
(c) heat and light are produced.
(d) None of these
15. The chemical used as a ‘fixer’ in photography is
(a) borax
(b) sodium thiosulphate
(c) sodium sulphate
(d) ammonium persulphate
16. The rate of chemical reaction does not depend upon ?
(a) Concentration
(b) Catalyst (c)Temperature (d) Pressure
17. Which of the following is a chemical change?
(a) Magnetisation of iron
(b)Melting of ice
(c) Burning of sulphur
(d)Melting of wax
18. Which of the following substances undergoes chemical change on
heating?
(a) Sodium chloride
(b) Silica
(c) Lead nitrate
(d) Platinum wire
19. 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.
20. 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
21. 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
22. 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
23. Light year is a unit of measurement of
(a) speed of light
(b) stellar distances
(c) speed of rockets
(d) speed of aero planes
24. 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
25. 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
26. ‘Bar’ is the unit of ?
(a) heat
(b) temperature
(c) current
(d) atmospheric pressure
27. A chronometer measures
(a) sound waves
(b) time
(c) water waves
(d) colour contrast
28. One fathom is equal to?
(a) 6 meters
(b) 6 feet
(c) 60 feet
(d) 100 cms
29. What is the unit for. measuring the pitch or frequency of sound?
(a)Coulomb
(b) Hum
(c) Cycles
(d) Hertz
30. Electric current is measured by
(a) anemometer
(b) voltmeter
(c)ammeter (d) commutator
31. Fathom is the unit of ?
(a) sound
(b) depth
(c) distance
(d) frequency
32. 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
33. Kilowatt is a unit to measure
(a)work
(b) electricity
(c) power (d)current
34. Very small time intervals are accurately measured by the
(a) Pulsars
(b) Quartz clocks
(c) Atomic clocks
(d) White dwarfs
35. Decibel is the unit used for
(a) speed of light
(b) intensity of heat
(c) intensity of sound
(d) radio wave frequency
36. 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
37. The Crops which are grown in rainy season are called
a) Rabi crop b) Seasonal crop
c) Monsoon crop d) Kharif crop
38. Rabi Crops are grown in season
a) Summer b) Spring
c) Winter d) rainy
39. Now a days seed is sown in the field using
a) Seed Tractor b) Seed drill
c) Seed Tiller d) Seed Plough
40. Which of the following description is true for describing ‘fertiliser’
a) Used in large quantity b) Organic in nature
c) Does not cause pollution d) Produced in factories
41. Rhizobium (a Bacteria) which fixes atmospheric nitrogen are found in
nodules growing in
a) Roots of leguminous plants b) Leaves of leguminous plants c) Stem of Leguminous plants d) All of the above.
42. .Before sowing the seeds, it is necessary to break soil to the size of grains to
get better yield. The main tools used for such are
a) Tractor, Hoe, Seed drill b) Bullock, tiller, tractor
c) Plough, Hoe, Cultivator d) Plough, Seed Drill, Tractor
43. Growing different crops alternately on the same land is technically called
a) Crop Alternation b) Crop Rotation
c) Crop Revolution d) Crop Change
44. Moat, Dhekli and Rahat are different
a) Traditional methods of cultivation b) Traditional methods of Weeding c) Traditional methods of Seed sowing d) Traditional methods of irrigation
45. In the harvested crop the grain seed is separated from the chaff. This process
id called ___ a
a) Threshing b) Seeding c) Ploughing d) Weeding
46. What is mixed cropping
a) agricultuire with pisciculture b) commercial crop with normal crops c) agriculture with cattle rearing d) agriculture with apiculture 47.Wood is the main raw material for the manufacture of ?
(a) paint
(b) paper
(c) ink
(d) gun powder
48.which of the following is correct 1. Iodine solution with alcohol--antiseptic 2.vinegar –vitamin C
(a) 1 Only
(b) 2 Only
(c) 1 & 2
(d) None
49. : Which are CORRECT?
1. Fats give much more energy as compared to the same amount of carbohydrates 2.Proteins are needed for the growth and repair of our body 3. Roughage helps our body get rid of undigested food
(a) 1 & 2 Only
(b) 2& 3 Only
(c) 1, 2 & 3
(d) None
50. Which is/are INCORRECT?
I. The jute plant is normally harvested when it is at flowering stage
II. Cotton plants are usually grown at places having black soil and cool climate
(a) I Only
(b) II Only
(c) I & II
(d) None
51. Which is/are INCORRECT?
1. Jupiter, Saturn and Uranus have rings around them
2.The moon moves around the earth in about 27 days and it takes exactly the same
time to complete one spin
3. The largest asteroid is the Ceres
4. The Pole Star indicates the direction to the South
(a) 1 & 2 Only
(b) 2& 3 Only
(c) 1, 2 & 3
(d) 4 Only
52: Which is INCORRECT?
(a) The mid-day sun is exactly overhead at least once a year on all latitudes in between the Tropic of Cancer and the Tropic of Capricorn
(b) Those places east of Greenwich will be ahead of Greenwich Time and those to the west will be behind it
(c) It will be 7:30 A.M. in India when its 2:00 P.M. in London
(d) The axis of the earth which is an imaginary line makes an angle of 66½° with its orbital plane
53: Which is INCORRECT?
1. Christmas is celebrated in summer in Australia 2.Direct rays of the sun fall on the equator on 21st March
(a) 1 Only
(b) 2 Only
(c) 1 & 2
(d) None
54: Which is CORRECT?
1. A large part of Africa lies in the Southern Hemisphere 2.North America is the Fourth largest continent of the world 3. The coastline of Atlantic Ocean is highly indented
(a) 1 Only
(b) 3 Only
(c) 1 & 2
(d) 1, 2 & 3
55: Which is CORRECT?
1. bromine is liquid in its standard state 2.dry ice is sublimating in nature
(a) 1 Only
(b) 2 Only
(c) 1 & 2
(d) None
56: Which is CORRECT?
I. Smoke may contain oxides of nitrogen which combine with other air pollutants
and fog to form smog.
II. The smog causes breathing difficulties such as asthma, cough and wheezing in
children
(a) I Only
(b) II Only
(c) I & II
(d) None
57: Match
a. Sulphur dioxide and nitrogen dioxide
b. Sulphur dioxide
c. Chlorofluorocarbons
d. Tiny Particles
I. Petroleum refineries
II. Coal power plants
III. Refrigerators
IV. Automobiles (diesel and petrol) I II III IV
(a) b a c d
(b) a b c d
(c) a b d c
(d) b a d c
58: Kanpur is known for which industries?
1. Fertiliser 2. Detergent3. Leather 4. Paint
(a) 1 Only
(b) 3 Only
(c) 1 & 2
(d) 1, 2, 3 & 4
59: Which is INCORRECT?
(a) The Pole star lies close to the axis of rotation of the Earth
(b) Like Mars, Uranus also rotates from east to west
(c) Saturn is the least dense among all the planets
(d) The outer planets have large number of moons
60: Which is INCORRECT?
(a) Iris is the part of that eye which gives it its distinctive colour
(b) The most comfortable distance at which one can read with a normal eye is about 50 cm
(c) If still images of a moving object are flashed on the eye at a rate faster than 16 per second, then, the eye perceives this object as moving
(d) Eye lens becoming cloudy is called cataract
61: A night bird (owl) can see very well in the night but not during the day
R: A night bird has on its retina a large number of rods and only a few cones
(a) A & R are CORRECT; R is CORRECT explanation for A
(b) A & R are CORRECT; But, R is not-CORRECT explanation for A
(c) A is CORRECT; But not R
(d) R is CORRECT; But not A
62: Which of the following statements are CORRECT about Braille System?
1. It has 63 dot patterns or characters
2.Dots are arranged in cells of two vertical rows of three dots each
(a) 1 Only
(b) 2 Only
(c) 1 & 2
(d) None
63: If electrodes were immersed in water, and a current is passed
(a) Oxygen bubbles formed at the positive terminal
(b) Hydrogen bubbles formed at the positive terminal
(c) Hydrogen bubbles formed at the negative terminal
(d) A & C
64: Match
I. Tin a. Resists scratches
II. Chromium b. Protection from getting spoilt
III. Gold c. Appearance
IV. Zinc d. Protection from corrosion
I II III IV
(a) b a c d
(b) a b c d
(c) a b d c
(d) b a d c
65: Fertilization very common in aquatic animals is
(a) External fertilization
(b) Internal fertilization
(c) In vitro fertilization
(d) B & C
66: Cloning is the production of
I. An exact copy of a cell II. Any other living part III. A complete organism
(a) I & III only
(b) II & III only
(c) III only
(d) I, II & III
67: Which is INCORRECT?
1. The basic components of a cell are cell membrane, cytoplasm and nucleus
2.Chromosomes help in inheritance or transfer of characters from the parents to the
offspring
3. Animal cells differ from Plant cells in having an additional layer around the cell
membrane termed cell wall
(a) 1 Only
(b) 3 Only
(c) 1 & 2
(d) 1, 2 & 3
68: A: For fires involving electrical equipment and inflammable materials like petrol, carbon dioxide is the best extinguisher
R: carbon dioxide is lighter than oxygen and the contact between the fuel and oxygen is cut off
(a) A & R are CORRECT; R is CORRECT explanation for A
(b) A & R are CORRECT; But, R is not-CORRECT explanation for A
(c) A is CORRECT; But not R
(d) R is CORRECT; But not A
69: Which is CORRECT?
1. Viruses reproduce only inside the cells of the host organism
2.Common ailments like cold, influenza (flu) and most coughs are caused by
viruses
3. Serious diseases like polio and chicken pox are also caused by viruses
(a) 1 Only
(b) 3 Only
(c) 1 & 2
(d) 1, 2 & 3
70: Which is INCORRECT?
1. Rayon or artificial silk is obtained from a natural source, wood pulp 2.Nylon is prepared from coal, water and air and it was the first fully synthetic fibre
3. Polyester is another synthetic fibre and fabric made from this fibre does get wrinkled easily
4. Cotton is a polymer made of many repeating units called cellulose
(a) 1 Only
(b) 3 Only
(c) 1 & 2 only
(d) 4 Only
71: Which of the following statements are CORRECT?
1. Antibiotics are being produced only from bacteria
2.Antibiotics are not effective against cold and flu as these are caused by viruses 3. Antibiotics are even mixed with the feed of livestock and poultry to check microbial infection in animals
(a) 1 Only
(b) 2 & 3 Only
(c) 1 & 2 only
(d) 1, 2 & 3
72: Diseases can be prevented by vaccination
(a) Cholera & Tuberculosis
(b) Smallpox and Hepatitis
(c) Small pox only
(d) Both A & B
73: Communicable diseases
1. Spread from an infected person to a healthy person through air, water, food or physical contact
2.Cholera, common cold, chicken pox and tuberculosis are examples of Communicable diseases
3. Some insects and animals which act as carriers of disease causing microbes
4. Female Aedes mosquito acts as carrier of malaria Which is NOT CORRECT?
(a) 4 Only
(b) 2 Only
(c) 1 & 2 only
(d) 1, 2 & 3 only
74: Which is NOT MATCHED? [Disease – Microorganism – Transmission]
(a) Polio – Virus – Air
(b) Tuberculosis – Bacteria – Water
(c) Cholera – Bacteria – Food
(d) Malaria – Protozoa – Mosquito
75: Match
a. Jellies and squashes
b. Raw mangoes
c. Vegetables & fruits
d. Sodium benzoate
e. Sodium metabisulphite
I. Preservation by Common Salt
II. Preservation by Sugar
III. Preservation by Oil and Vinegar
IV. Common preservatives
I II III IV
(a) b a c d & e
(b) a b c d only
(c) a b c d & e
(d) b a c d only
76: Nitrogen is one of the essential constituents of all living organisms as part of
(a) Proteins & Chlorophyll
(b) Nucleic acids and vitamins
(c) Both A & B
(d) Proteins, Chlorophyll and Nucleic acids only
77: A: PVC, a thermosetting plastic, used for making electrical switches and handles of various Utensils
R: Thermosetting plastics when moulded once cannot be softened by heating
(a) A & R are CORRECT; R is CORRECT explanation for A
(b) A & R are CORRECT; But, R is not-CORRECT explanation for A
(c) A is CORRECT; But not R
(d) R is CORRECT; But not A
78: A: To prevent the contact of phosphorus with atmospheric oxygen, it is stored in water
R: phosphorus is a very reactive Metal
(a) A & R are CORRECT; R is CORRECT explanation for A
(b) A & R are CORRECT; But, R is not-CORRECT explanation for A
(c) A is CORRECT; But not R
(d) R is CORRECT; But not A
79: Uses of Nonmetals
1. Some non – metals essential for our life which all living beings inhale during
breathing
2.Some non – metals Used in fertilizers to enhance the growth of plants
3. Some non – metals used in water purification process
4. Some non – metals used as an antiseptic Which are CORRECT?
(a) 1 & 2 Only
(b) 2 & 3 Only
(c) 3 & 4 only
(d) 1, 2, 3 & 4
80. Which of the following is not an ore of Aluminium?
(A) Felsper
(B) Bauxite
(C) Cryolite
(D) Azurite
81. Most soluble in water is —
(A) Camphor
(B) Sugar
(C) Sulphur
(D) Common Salt
82.Bromine is —
(A) colourless gas insoluble in water
(B) A highly inflammable gas
(C) A Black solid.
(D) A red liquid.
83. The metal used in storage batteries —
(A) Iron
(B) Copper
(C) Lead
(D) Zinc
84. Water has maximum density at —
(A) –4°C
(B) 0°C
(C) 4°C
(D) 100°C
85. The chemial name of Urea is —
(A) Aneurin
(B) Chloroetane
(C) Carbamide
(D) None of these
86. Permanent hardness of water can be removed by adding —
(A) Potassium Permanganate
(B) Chlorine
(C) Bleaching Powder
(D) Washing Soda
87. The formula of Plaster of Paris is —
(A) CaSO4
(B) CaSO4, 2H2O
(C) 2CaSO4, 4H2O
(D) 2CaSO4, H2O
88. Which of the following substance is a bad conductor of electricity but a good
conductor of heat?
(A) Asbestos
(B) Celluloid
(C) Purspecks
(D) Mica
89. Carborandum is —
(A) Silicon Dioxide
(B) Silicon Carbide
(C) Silicon Nitride
(D) Silicon Phosphide
90. Which of the following is the best conductor of electricity ?
(A) Copper
(B) Mica
(C) Zinc
(D) Silver
91. Washing soda is the common name of —
(A) Calcium Carbonate
(B) Calcium Bi-Carbonate
(C) Sodium Carbonate
(D) Sodium Bi-Carbonate
92. The filament of electric bulb is made of —
(A) Iron
(B) Nichrome
(C) Tungsten
(D) Graphite
93. Bleaching powder is made from —
(A) Sulphur dioxide and gypsum
(B) Chlorine and Charcoal
(C) Soda ash and lime
(D) Lime and Chlorine
94. The two elements that are frequently used for making transistors are —
(A) Boron and Aluminium
(B) Silicon and Germenium
(C) Iridium and Tungsten
(D) Niobium and Columbium
95. Which of the following gas is not known as green house gas ?
(A) Methane
(B) Carbon dioxide
(C) Nitrous oxide
(D) CFC
96. Which of the following is not a neutral oxide ?
(A) Carbon Monoxide
(B) Sulphur Dioxide
(C) Water
(D) Nitric Oxide
97. Which of the following is used in making smoke bombs ?
(A) Sulphur
(B) Phosphorus
(C) Hydrogen
(D) Carbon
98. Caustic Soda is —
(A) Nacl
(B) Na2CO3
(C) NaOH
(D) NaHCO3
99. Chemical formula of Water glass is —
(A) Na2SiO3
(B) Al2O3
(C) NaAlO2
(D) CaSiO3
100. Which of the following is not a bleaching agent?
(A) Sulpher di-oxide
(B) Carbon di-oxide
(C) Sodium hypochlorite
(D) Chlorine
