LABORATORY ASSISTANT HIGHER SECONDARY EDUCATION JANUARY 2015 ANSWER KEY

LABORATORY ASSISTANT HIGHER SECONDARY EDUCATION

EXAM DATE:17-01-2015

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1.The year in which the film”Raja Harishcandra”was made:

A.1912

B.1913*

C.1914

D.1915

Ans:B

2.The digital money for internet based business is:

A.Byte coin

B.Net coin

C.Bit coin*

D.Coin dollar

Ans:C

3.Which is the first eco-tourism project in India?

A.Pookode

B.Thenmala*

C.Iravikulam

D.Silent Valley

Ans:B

4.What is the old name of INS Vikramaditya?

A.Adm.Rustov

B.Adm.Pavlov

C.Adm.Vogue

D.Adm.Gorshghov*

Ans:D

5.What is Boat People Problem?

A.Refugee problem*

B.Economic meltdown

C.Political instability

D.Internal emergency

Ans:A

6.Who is world’s first back pack journalist?

A.Mark Bricks

B.Richard Keebles

C.Kevin Sights*

D.Edward Snowden

Ans:C

7.Name the Indian batsman who completed 100 one day matches without being selected for Indian test team:

A.Dinesh Karthik

B.Rohit Sharma*

C.Suresh Raina

D.Virat Kohli

Ans:B

8.Telecom department stopped telegram service in India on:

A.12^th July 2013

B.13^th July 2013

C.14^th July 2013

D.15^th July 2013*

Ans:D

9.Which of the following does not belong to Delhi Sultanate?

A.Sayed dynasty

B.Mughal dynasty*

C.Khilji dynasty

D.Slave dynasty

Ans:B

10.CRI Tamil radio is operated in:

A.China*

B.Malaysia

C.Japan

D.Indonassia

Ans:A

11.Which is the smallest national park in Kerala?

A.Silent Valley

B.Pampadum chola*

C.Iravikulam

D.Periyar

Ans:B

12.Which of the following personalities have the record of being a Member of Legislative Assembly for the longest period?

A.E.K.Nayanar

B.K.Karunakaran

C.K.R.Gauriamma

D.K.M.Mani*

Ans:D

13.Which of the following High Courts has most number of states under its jurisdiction?

A.Mumbai

B.Calcutta

C.Hariyana

D.Guwahati*

Ans:D

14.Who coined the word”Sensex”?

A.Nirmal Verma

B.Harshad Metha

C.Deepak Mohani*

D.Dileep Chabria

Ans:C

15.The first Union Minister for Defence was:

A.Baldev Sing*

B.V.K.Krishna Menon

C.Jawaharlal Nehru

D.Vijayakumar Sinha

Ans:A

16.Who translated the autobiography of Mahatma Gandhi into English?

A.C.Balagopalachari

B.Mahadev Desai*

C.C.N.Rau

D.Atmacharan Agarwal

Ans:B

17.Among the following rivers which one has the most number of tributaries?

A.Brahmaputhra

B.Kaveri

C.Sindhu*

D.Ganga

Ans:C

18.The country in which the Jasmine Revolution was broken out:

A.Egypt

B.Tunisia*

C.Libya

D.Yemen

Ans:B

19.Who accompanied Che Guera in his Motor Cycle adventure trips?

A.Norio Oga

B.Jose Desparante

C.Vangari Mathay

D.Alberto Granedo*

Ans:D

20.Which district has the largest clay deposit?

A.Kottayam

B.Pathanamthitta

C.Kollam*

D.Alappuzha

Ans:C

21.Name the commercial unit of electrical energy:

A.kwh*

B.Ampere

C.Volt

D.Ohm

Ans:A

22.Which planet in the solar system has lowest density?

A.Venus

B.Saturn*

C.Mars

D.Moon

Ans:B

23.Name the device used to measure electric current:

A.Voltmeter

B.Manometer

C.Galvanometer

D.Ammeter*

Ans:D

24.What is the frequency of A.C.used in India?

A.60Hz

B.100Hz

C.50Hz*

D.40Hz

Ans:C

25.The sky appear blue due to:

A.Refraction

B.Reflection

C.Scattering*
D.Dispersion

Ans:C

26.What is the principle of transformer?

A.Mutual Induction*
B.Self Induction

C.Ohms law

D.Magnetic effect of current

Ans:A

27.Name the device used to convert A.C.to D.C
A.Capacitor

B.Transistor

C.Solar Cell

D.Diode*

Ans:D

28.Sound cannot travel through:

A.Steel

B.Diamond

C.Vaccum*

D.Soil

Ans:C

29.Name the source of energy in stars:

A.Fusion*

B.Fission

C.Burning of coal

D.None of the above

Ans:A

30.What is the speed of light in vaccum?

A.340 m/s

B.3000 m/s

C.3 x 10⁸m/s*

D.3 x 10⁶m/s

Ans:C

31.How many molecules are present in one mole of water?

A.6.022 x 10²²

B.6.022 x 10²³*

C.6.022 x 10²⁴

D.6.022 x 10²⁰

Ans:B

32.Molarity of one litre sodium bydroxide solution containing 40g sodium hydroxide is:

A.1 molar*

B.0.5 molar

C.2 molar

D.1.1 molar

Ans:A

33.How many grams of oxygen will be present in a vessel having volume 672 litres at STP?

A.960 g*

B.900 g

C.930 g

D.800 g

Ans:A

34.What is the mass of CO₂ produced by the combustion of 1 mole of butane

2C₄H₁₀+13O₂->8CO₂+10H₂O?

A.190 g

B.160 g

C.176 g*

D.182 g

Ans:C

35.Which subshell is not possible?

A.4d

B.5s

C.3f*

D.2p

Ans:C

36.The industrial method of preparation of ------------is known as contact process.

A.HCl

B.HNO₃

C.H₂CO₃

D.H₂SO₄*

Ans:D

37.Alcohols are functional isomers of:

A.Aldehydes

B.Ethers*

C.Ketones

D.Acids

Ans:B

38.Medicines used to lower body temperature are called:

A.Antipyretics*

B.Antiseptics

C.Antioxidents

D.Antibiotics

Ans:A

39.Ammonia is prepared in the laboratory by heating ammonium chloride with:

A.Calcium Chloride

B.Sodium Chloride

C.Ammonium Carbonate

D.Calcium Hydroxide*

Ans:D

40.The volume of a gas at a certain pressure is 300 ml at 27⁰C at what temperature its volume be reduce to 200 ml at the same pressure:

A.-73⁰C*

B.73⁰C

C.73 k

D.-73 k

Ans:A

41.Hyper secretion of growth hormone I ault causes:

A.Gigantism

B.Acromegaly*

C.Cretenism

D.Simmons disease

Ans:B

42.The chemical in cigarette smoke which causes cancer:

A.Nicotene

B.Caffeine

C.Benzene*

D.Carbon Monoxide

Ans:C

43.Valve that guards left auriculo ventricular opening:

A.Mitral valve*

B.Tricuspid valve

C.Semilunar valve

D.Inferior valve

Ans:A

44.Number of cranial nerves in human beings

A.14 pairs

B.10 pairs

C.12 pairs*

D.8 pairs

Ans:C

45.Haemoglobin is a :

A.Fat

B.Carbohydrate

C.Vitamin

D.Protein*

Ans:D

46.AIDS attack:

A.Immune System*

B.Heart

C.Stomach

D.Lungs

Ans:A

47.Oxygenated blood is carried by:

A.Hepatic portal vein

B.Pulmonary artery

C.Pulmonary vein*

D.Renal vein

Ans:C

48.Deficiency of insulin results in:

A.Diabetes insipidus

B.Myxoedema

C.Diabetes mellitus*

D.Dwarfism

Ans:C

49.Disorder caused by an extra copy of chromosome number 21:

A.Kline felters syndrome

B.Downs syndrome*

C.Turners syndrome

D.Alzhelmers disease

Ans:B

50.Sickle cell anaemia is caused due to:

A.Malaria

B.Anaemia

C.Tetany

D.Gene mutation*

Ans:D

51.Hydathodes in grasses help to:

A.Eliminate water as droplets*

B.Expel water as vapour

C.Expel CO₂ formed during cell respiration

D.Expel O₂ produced as by product of photosynthesis

Ans:A

52.One of the following is not a fungal disease:

A.Bunchy top of banana*

B.Coconut bud rot

C.Koleroga in arecanut

D.Quick wilt in pepper

Ans:A

53.2,4 Dichlorophenoxyacetic acid as selective weedicide is an example of:

A.Cyokinins

B.Gibberellins

C.Auxins*

D.Ethylene

Ans:C

54.Blight disease in paddy is caused by:

A.Fungus*

B.Virus

C.Bacteria

D.Aphids

Ans:A

55.Super bugs produced through genetic engineering is used:

A.To produce insulin

B.To destroy pests

C.Remove oil spills*

D.To treat hereditary diseases

Ans:C

56.Element associated with opening and closing of stomata is:

A.Magnesium

B.Calcium

C.Iron
D.Potassium*

Ans:D

57.Hormone which promotes Apical Dominance:

A.Cytokinins

B.Gibberellins

C.Auxin*

D.Ethylene

Ans:C

58.”Molecular glue” used in genetic engineering is:

A.Endonucleases

B.DNA polymerase

C.DNA ligase

D.Exonucleases*

Ans:D

59.Synthesis of chlorophyll in the presence of light is:

A.Phototropism

B.Photoperiodism

C.Photomorphogenesis

D.Photolysis*

Ans:D

60.Increased tolerance of plants to various kinds of stresses is due to:

A.Abscisic acid*

B.Ethylene

C.Auxins

D.Cytokinins

Ans:A

61.Ram as well as his brother -------gone to Bombay.

A.Is

B.Are

C.Has*

D.Have

Ans:C

62.You had better:

A.Go*

B.To go

C.Going

D.Would go

Ans:A

63.None of them has passed:

A.Have they*

B.Haven’t they

C.Hadn’t they

D.Had they

Ans:A

64.This is the place-----------we usually meet.

A.When

B.Who

C.Which

D.Where*

Ans:D

65.John:”Mary,give me your pen please”John requested Mary:
A.To give him her pen*

B.That to give her his pen

C.That she gave him her pen

D.To gave him her pen

Ans:A

66.The gun went:

A.Off*

B.For

C.Of

D.In

Ans:A

67.Shakespeare is famous -----------a playwright

A.As*

B.For

C.Of

D.In

Ans:A

68.If you come late:

A.You would punish

B.You would be punished

C.You will punished

D.You will be punished*

Ans:D

69.The prime minister--------for USA tomorrow

A.Leaves*

B.Would leave
C.Leaving

D.Leave

Ans:A

70.The more you work:

A.Highest you reach

B.The higher you reach*

C.The hight you reach

D.The high you reach

Ans:B

Answer the question as directed:

71.The idea(A) was(B) helping(C) to me(D)

(Mark the wrong part of the sentence)

Ans:C

72.See(A) the police(B) the man(C) ran away(D):

(Mark the wrong part of the sentence)

Ans:A

73.Which is the correctly spelt word?

A.Knowledge*

B.Knolege

C.Knowldg

D.Knowledg

Ans:A

74.The word means “One who knows everything”:

A.Omnipresent

B.Omniscient*

C.Omnipotent

D.Omniclient

Ans:B

75.Which is the wrongly spelt word?

A.Curriculum

B.Sunami*

C.Feature

D.Superintendent

Ans:B

76.Which of the following is in the passive form?

A.She gave a party

B.A party gave to her

C.She was given a party*

D.They gave a party

Ans:C

77.Which sentence is in the correct order?

A.Warming global is a serious problem

B.Global problem is a serious warming

C.Serious problem is a global warming

D.Global warming is a serious problem*

Ans:D

78.By the time the manager arrived:

A.The work was done

B.The work had been done*

C.The work was being done

D.The work has being done

Ans:B

79.A low continuous sound:

A.Chatter

B.Stammer

C.Roar

D.Murmur*

Ans:D

80.What is the British equivalent to the underlined word?

The drapes in my bedrooms are beautiful

A.Curtains*

B.Photos

C.Doors

D.Windows

Ans:A

81.(-5/7)⁶/(-5/7)³=

A.125/343

B.-125/343*

C.343/125

D.-343/125

Ans:B

82.Find the value of

(1+1/2)(1-1/2)(1+1/3)(1-1/3)(1+1/4)(1-1/4)

A.0

B.15/8

C.5/8*

D.18/5

Ans:C

83.A shop keeper bought 18 Oranges for Rs.50/-If he gets 20% profit how many oranges does he sell for Rs.50/-?

A.12

B.14

C.15*

D.16

Ans:C

84.A man deposits Rs.2000/- with a bank.If he gets Rs,2,420 as compound interest at the end of the second year,what is the rate of interest?

A.9%

B.10%*

C.11%

D.12%

Ans:B

85.The length of two rectangles is 12 cm and 10 cm,their breadth is 6 cm and 8 cm.What is the ratio of their areas?

A.9:10*

B.7:8

C.6:8

D.10:9

Ans:A

86.A vessel in the shape of a cube contains one litre of water what is the length of its side:

A.100 cm

B.20 cm

C.25 cm

D.10 cm*

Ans:D

87.Find the sum of all terms of the progression 120,125,130,---220

A.3750

B.3570*

C.3075

D.3507

Ans:B

88.The average age of 24 students and their class teacher I s15.When the class teacher is removed the average becomes 14.Then what is the age of the class teacher:

A.38*

B.40

C.41

D.39

Ans:A

89.A train of length 140 m travels with a speed of 72 km/hr.The time taken by the train to pass a telephone post is:

A.7 mts

B.7 sec*

C.9 mts

D.9 sec

Ans:B

90.There are 50 students in a class.If 20 students passed in maths,25 students passed in English and 15 students passed in both English and Maths.How many students passed neither in Maths nor In English?

A.10

B.15

C.20*

D.25

Ans:C

91.Rahim bought an article for Rs.1600/- and sold it to Balan at a gain of 10%.Balan sold it to David buy the article for?

A.1693

B.1936*

C.1396

D.1963

Ans:B

92.CFI,JMP,QTW.----------?

A.XAD*

B.WYZ

C.XZB

D.XBD

Ans:A

93.Pick the odd man out:

A.3

B.7

C.11

D.15*

Ans:D

94.Ignorance:---------

Darkness:light

A.Sun

B.Genius

C.Knownledge*

D.Intelligence

Ans:C

95.If ‘LOYAL’ is coded as JOWAJ then’PRONE’ is coded as:

A.ORMNC

B.NRMND

C.QRPNF

D.NRMNC*
Ans:D

96.Priya started from a place and walked 4 km to the east.Then she turned left and walked 2 km.Again she turned left and walked 4 km.Now how far is Priya from the starting point?

A.2 km*

B.3 km

C.4 km

D.5 km

Ans:A

97.Ali bought a plate and a glass for Rs.110/-from the market.If the plate costs Rs.100/-more than the glass.How much does the plate cost?

A.95

B.100

C.105*

D.110

Ans:C

98.(-3+4-7)/(-1)¹+(-2)²+(-3)³=

A.1/3

B.1/4*

C.1/5

D.1/6

Ans:B

99.Find the angle between the hour hand and minute hand of a clock when the time is 9.30:

A.90⁰

B.95⁰

C.100⁰

D.105⁰*

Ans:D

100.125 cubic centimeters means how much in liters?

A.8

B.1/8*

C.3/8

D.3

Ans:B