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Questions & Answers for Class 6-8, October-2012

1) The unit used for measuring sound is
a. Lumen
b. Lux
c. Decibel
d. Candle
The correct answer is : Decibel
2) The instrument used to measure rainfall is
a. Thermometer
b. Narrow gauge
c. Rain gauge
d. Minimum gauge
The correct answer is : Rain gauge
3) The Human body is
a. Transparent substance
b. Opaque substance
c. Translucent substance
d. None of the above
The correct answer is : Opaque substance
4) "Your kindness may be treated as your weakness …. Still be kind" identify the part of speech of the bold and underlined word.
a. Adverb
b. adjective
c. pronoun
d. noun
The correct answer is : adjective
5) The main use of the simple present tense is to refer to
a. an action which has happened in the past
b. an action to be taken after some time
c. an action that takes place now
d. None of the above
The correct answer is : an action that takes place now
6) Which of following statement is correct?
a. In a right-angled triangle, the square on the hypotenuse = the sum of the squares on its legs
b. A triangle has 3 medians
c. A triangle has 3 altitudes
d. The total measure of the three angles of a triangle is 270o
The correct answer is : The total measure of the three angles of a triangle is 270o
7) IRCTC Customer Care toll free number
a. 1800-111-139
b. 1800-11-4377
c. 1800119292
d. 1800-420-2020
The correct answer is : 1800-111-139
8) Ramanujan Trophy is associated with
a. Volley ball
b. Table Tennis
c. Cricket
d. Foot ball
The correct answer is : Table Tennis
9) Which is not a step to reduce sound pollution?
a. Unnecessarily should not sound horn continuously
b. Put small cotton balls in our ears to protect from deafening noises
c. Airports are built in residential areas
d. Loud speakers should be used only after taking permission from the police department
The correct answer is : Airports are built in residential areas
10) Concrete spread over iron frame is called
a. Reinforced concrete
b. mortar
c. Clinker
d. baking
The correct answer is : Reinforced concrete
11) Drivers see the vehicles coming from behind in
a. Concave lens
b. Concave mirror
c. Convex lens
d. Convex mirror
The correct answer is : Convex mirror
12) One of the common symptoms observed in people infected with Dengue fever is
a. significant increase in platelets count
b. significant decrease in platelets count
c. significant decrease in WBC count
d. significant decrease in RBC count
The correct answer is : significant decrease in platelets count
13) Station House Officer (SHO) is related to
a. Bus station
b. Railway Station
c. Police Station
d. Television Station
The correct answer is : Police Station
14) Area of a parallelogram =
a. side × side
b. base × height
c. length × breadth
d. 2 × (length + breadth)
The correct answer is : base × height
15) Which of the following letters does not have any line of symmetry?
a. N
b. E
c. X
d. T
The correct answer is : N
16) The ratio of Rs 6 to 75 paise is
a. 6 : 1
b. 8 : 1
c. 7 : 1
d. 9 : 1
The correct answer is : 8 : 1
17) This is not responsible for increase of Carbon di oxide in atmosphere
a. Deforestation
b. Coal burning factories / plants
c. Diesel vehicles
d. Natural colour
The correct answer is : Natural colour
18) No. of elements discovered so far
a. 107
b. 109
c. 115
d. 118
The correct answer is : 118
19) The cutter, hack-saw, hammer and vice are
a. Agricultural tools
b. Workshop tools
c. Student tools
d. Plastic tools
The correct answer is : Workshop tools
20) Find the opposite word for "Inability".
a. Experience
b. Capacity
c. Skill
d. writing
The correct answer is : Skill
21) The Indian Constitution lays down the basic rules or laws that have to be followed by
a. Every one
b. Politicians only
c. Employees only
d. Businessman only
The correct answer is : Every one
22) Find the leafy vegetable.
a. Spinach
b. Snake gourd
c. Cucumber
d. Okra
The correct answer is : Spinach
23) 12 more than five times the number x can be represented as
a. 12+ x + 5
b. 5 x – 12
c. 12 x + 5
d. 5 x + 12
The correct answer is : 5 x + 12
24) " He made his mark in essay-writing ." Identify the part of speech of bold and underlined.
a. Noun
b. Pronoun
c. Verb
d. adverb
The correct answer is : Noun
25) Who discovered that plants have life and exhibit feelings?
a. Louis Pasteur
b. Dr. Jagdish Chandra Bose
c. Sir. C V Raman
d. C. Darwin
The correct answer is : Dr. Jagdish Chandra Bose
26) Which is not related to Chemical change?
a. New substances are formed
b. The original substance cannot be obtained by simple mechanical processes
c. It is a temporary change
d. The composition of the substance changes
The correct answer is : It is a temporary change
27) The speed required to overcome the earth's gravitational pull for an artificial satellite is
a. 10.2 Km per second
b. 10.8 Km per second
c. 11.2 Km per second
d. 11.8 Km per second
The correct answer is : 11.2 Km per second
28) One litre is equal to
a. 100 ml
b. 1000 ml
c. 1005 ml
d. 1010 ml
The correct answer is : 1000 ml
29) Every country needs a government to make
a. Money for individual growth
b. decisions and get things done
c. Power to few people
d. arrangement for elections
The correct answer is : decisions and get things done
30) The minimum age required for more than 50 CC two wheeler driving license in India is
a. 12 years
b. 15 years
c. 16 years
d. 18 years
The correct answer is : 18 years
31) Which of the following fractions is the smallest?
a. 13 / 9
b. 13 /7
c. 13 / 10
d. 13 / 6
The correct answer is : 13 / 10
32) Among the following, who won the silver medal for India in Olympics 2012?
a. Gagan Narang
b. Vijay Kumar
c. Mery Kom
d. Saina Nehwal
The correct answer is : Vijay Kumar
33) Who is the father of Indian phycology?
a. Sir C V Raman
b. Har Gobind Khorana
c. Vikram Sarabhai
d. M O P Iyengar
The correct answer is : M O P Iyengar
34) The substance which promotes the rate of a chemical reactions is called
a. Catalyst
b. Acid
c. Bases
d. Precipitate
The correct answer is : Catalyst
35) Find the past tense for "Understand ".
a. Understood
b. Understand
c. Underwent
d. Undergone
The correct answer is : Understand
36) At which level a decision has to be made to introduce a new 1000 rupees note?
a. Local
b. State
c. National
d. International
The correct answer is : National
37) What is that not related to personal hygiene?
a. Soap and water are essential for keeping the skin clean
b. Nail Polish users should see that it does not chip off into the food
c. Downloading NCERT books
d. Give your feet a good scrub with a sponge, pumice stone or foot scrubber
The correct answer is : Downloading NCERT books
38) Number of Indian Athletes participated in London Olympics 2012
a. 75
b. 83
c. 85
d. 93
The correct answer is : 83
39) "Divaswapna" book written by
a. Gandhi Mahatma
b. Kamala Gopal Rao
c. Gijubhai Bhadeka
d. Ganapath rao
The correct answer is : Gijubhai Bhadeka
40) Which of the following statement is not correct?
a. Jumping signal attracts penalty
b. Tomatoes have all the right stuff to optimize health and wellness
c. Smoking helps in building health
d. A positive attitude brings strength, energy and initiative.
The correct answer is : Smoking helps in building health
41) which of the following is a use of carbon dioxide
a. Used in fire extinguishers
b. used in preparation of soda water
c. used in preparation of washing soda
d. all of the above
The correct answer is : all of the above
42) If Ramu weight is 46.56 Kgs , find the right value from the following
a. 465.60 grams
b. 46560 grams
c. 4.656 tons
d. 4.656 Quintals
The correct answer is : 46560 grams
43) Which of the following is not related to Education?
a. Doing homework regularly
b. Map drawing and marking
c. Observation on microscope
d. Child working in factory
The correct answer is : Child working in factory
44) Who won the micromax cup 2012?
a. Sri Lanka
b. Bangladesh
c. Australia
d. India
The correct answer is : India
45) Method of finding the heights of mountains, width of rivers using triangle is called
a. Graphical
b. Triangulation
c. Arithmetical
d. Analytical
The correct answer is : Triangulation
46) The energy which an object possesses by virtue of its movement is called the
a. Potential Energy
b. Kinetic Energy
c. Solar Energy
d. Electric Energy
The correct answer is : Kinetic Energy
47) The 13th President of India is
a. Dr. A. P. J. Abdul Kalam
b. Shri. Pranab Mukherjee
c. Smt. Pratibha Devisingh Patil
d. Dr Mohammad Hamid Ansari
The correct answer is : Shri. Pranab Mukherjee
48) Which of the following statement is not correct?
a. Polluted air causes harm to living beings
b. Cement is a fuel
c. Decrease in the area of forests causes decrease in the volume of oxygen
d. Ignorance means lack of Knowledge
The correct answer is : Cement is a fuel
49) The colour which absorbs heat quickly is
a. Black
b. White
c. Red
d. Blue
The correct answer is : Black
50) Raju attended a NCC camp from Feb 25th , 2012 to April 6th 2012. How many days was the camp?
a. 40
b. 41
c. 42
d. 43
The correct answer is : 42