Daily Updates Mock Test 136 ( Icds Special )
MOCK TEST 136 ( ICDS SPECIAL )
SYLLABUS : ICDS PRELI
TIME : 30 MINUTES FULL MARKS : 50*3 =150
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পরীক্ষা দিয়ে কেমন লাগলো কমেন্টে জানাবেন
- 1.
Why do atoms bond?
- A.
To reduce potential energy and gain stability
- B.
To make atoms
- C.
To increase potential energy and lose stability
- D.
To increase potential energy and gain stability
Correct Answer
A. To reduce potential energy and gain stabilityExplanation
Atoms bond with each other to reduce potential energy and gain stability.Rate this question:
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- 2.
Which of the following is present in Nail polish remover?
- A.
Citric acid
- B.
Acetone
- C.
Ethylene
- D.
Benzene
Correct Answer
A. Citric acidExplanation
Acetone is a colorless, flammable liquid that evaporates easily.In cosmetics, the most common use of acetone is in nail polish removerRate this question:
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- 3.
What is the formula of potassium ion whose configuration is same as the noble gas state?
- A.
K+
- B.
K2+
- C.
K2-
- D.
K-
Correct Answer
A. K+Explanation
K+ is the formula of potassium ion whose configuration is same as the noble gas state.This means that potassium must have an electron configuration of 1s2,2s2,2p6,3s2,3p6.Rate this question:
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- 4.
Which of the following is made up of Carbon only?
- A.
Kevlar
- B.
Lexan
- C.
Graphene
- D.
Spider silk
Correct Answer
C. GrapheneExplanation
Graphene is an allotrope of Carbon in the form of a two dimensional atomic-scale hexagonal lattice in which one atom from each vertex.Rate this question:
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- 5.
Which of the following is not a nitrogenous fertilizer?
- A.
Ca(CN)2
- B.
CaCN2
- C.
NH4NO3
- D.
Urea
Correct Answer
A. Ca(CN)2Explanation
Except Ca(CN)2 all are nitrogenous fertilizers.Rate this question:
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- 6.
Which of the following elements has the lowest melting point?
- A.
Sodium
- B.
Tin
- C.
Radon
- D.
Radium
Correct Answer
C. RadonExplanation
Radon has lowest melting point among the following elements.Rate this question:
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- 7.
Atomic number of which of the following elements is greater than that of Fluorine?
- A.
Sodium
- B.
Beryllium
- C.
Nitrogen
- D.
Boron
Correct Answer
A. SodiumExplanation
Atomic Number of Beryllium is 4, Boron is 5, Nitrogen is 7, Fluorine is 9 and Sodium is 11. Hence, the atomic number of Sodium is higher than that of Fluorine.Rate this question:
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- 8.
Which of the following induces souring of milk?
- A.
Acetic Acid
- B.
Citric Acid
- C.
Ascorbic Acid
- D.
Lactic Acid
Correct Answer
D. Lactic AcidExplanation
Milk contains a sugar called lactose. It also contains harmless bacteria called lactobacillus, which uses lactose for energy and creates lactic acid as a by-product. It is the lactic acid which makes milk taste sour.Rate this question:
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- 9.
The Chemical formula of Cadmium nitrate is _____.
- A.
Cd(NO3)2
- B.
CdNO3
- C.
Cd2(NO3)2
- D.
Cd2NO3
Correct Answer
A. Cd(NO3)2Explanation
The Chemical formula of Cadmium Nitrate is Cd(NO3)2.Rate this question:
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- 10.
The common name of hydrogen peroxide is –
- A.
Borax
- B.
Bleach (liquid)
- C.
Baking soda
- D.
gypsum
Correct Answer
B. Bleach (liquid)Explanation
The common name of hydrogen peroxide is Bleach(liquid).Rate this question:
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- 11.
Which glass is used to make sunglasses?
- A.
Crook’s glass
- B.
Potash glass
- C.
Jena glass
- D.
Soda glass
Correct Answer
A. Crook’s glassExplanation
Crook Glass is a type of glass that contains cerium and other rare earths and has a high absorption of ultraviolet radiation; used in sunglasses.Rate this question:
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- 12.
Beryllium loses ____ electrons to achieve noble gas electron configuration.
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2Explanation
Barium has atomic number 4. Barium loses 2 electrons to achieve noble gas electron configuration.Rate this question:
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- 13.
The Chemical formula of Ammonium dichromate is _____.
- A.
(NH4)2Cr2O7
- B.
(NH4)CrO3
- C.
(NH4)Cr2O3
- D.
(NH4)2Cr2O3
Correct Answer
A. (NH4)2Cr2O7 -
- 14.
The residual attractive or repulsive forces between molecules or atomic groups that do not arise from a covalent bond, or ionic bonds is called _____ .
- A.
Neutral Bond
- B.
Non Polar Bond
- C.
Electro Valence bond
- D.
Van der Walls bond
Correct Answer
D. Van der Walls bondExplanation
The residual attractive or repulsive forces between molecules or atomic groups that do not arise from a covalent bond, or ionic bonds is called Van der Walls bond.Rate this question:
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- 15.
Ozone is represented as _____.
- A.
O3
- B.
H2O2
- C.
Cl2O
- D.
N2O
Correct Answer
A. O3 -
- 16.
Father of Human genetics is:
- A.
Gregor Mendel
- B.
Charles Darwin
- C.
Sir Archibald Garrod
- D.
H.G Khurana
Correct Answer
A. Gregor Mendel -
- 17.
A character which is expressed in a hybrid is called
- A.
Dominant
- B.
Recessive
- C.
Co-dominant
- D.
Epistatic
Correct Answer
A. Dominant -
- 18.
Part of molecule which deoxyribonucleic acid is named is the __________.
- A.
Sugar
- B.
Salt
- C.
Acid
- D.
None
Correct Answer
A. Sugar -
- 19.
The extra chromosome found in male insect is called…
- A.
X-body
- B.
Y-body
- C.
Homologous
- D.
Neutral
Correct Answer
B. Y-body -
- 20.
The inactivated X chromosome is referred to as a _____ body.
- A.
Nuclear
- B.
Barr
- C.
Polar
- D.
Golgi
Correct Answer
B. Barr -
- 21.
Nucleotides made of?
- A.
Nitrogenous base sugar, phosphate group
- B.
Phosphate base sugar
- C.
Both
- D.
None
Correct Answer
A. Nitrogenous base sugar, phosphate group -
- 22.
Which phenomena can bring about variation in a clone?
- A.
Genetic engineering
- B.
Biotechnology
- C.
Mutation
- D.
Genetic drift
Correct Answer
C. Mutation -
- 23.
The hereditary units are DNA molecules of certain lengths called
- A.
Chromosomes
- B.
Genes
- C.
Factors
- D.
Alleles
Correct Answer
B. Genes -
- 24.
Who proved the evidence of DNA as a genetic Material?
- A.
Lamarck
- B.
Frederick
- C.
Gregor Mendel
- D.
Weismann
Correct Answer
B. Frederick -
- 25.
Who was the first scientist to isolate DNA?
- A.
Weismann mishear
- B.
Watson and crick
- C.
Frederick Miescher
- D.
Darwin
Correct Answer
C. Frederick Miescher -
- 26.
Who is the ex-officio Chairman of a Zonal Council?
- A.
The Union home minister
- B.
The Governor of the state where the Zonal Council meets
- C.
The Union Minister associated with the Zonal Council
- D.
None of these
Correct Answer
A. The Union home ministerExplanation
The chairman of the Zonal council is Union Home Minister and Chief Ministers of the States included in each zone act as Vice-Chairman of the Zonal Council for that zone by rotation, each holding office for a period of one year at a time.Rate this question:
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- 27.
Article 360 of Indian Constitution empowers whom to proclaim a Financial Emergency?
- A.
The Finance Minister of India
- B.
The Governor of Reserve Bank of India
- C.
The President of India/
- D.
Defence Minister of India
Correct Answer
C. The President of India/Explanation
Financial Emergency under Article 360. If the President is satisfied that there is an economic situation in which the financial stability or credit of India is threatened, he or she can declare financial emergency.Rate this question:
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- 28.
Zonal Councils are
- A.
Advisory bodies
- B.
Administrative bodies
- C.
Consultative bodies
- D.
Lawmaking agencies
Correct Answer
A. Advisory bodiesExplanation
The zonal councils aim at promoting cooperation and coordination between states, union territories
and the Centre.These are advisory body and its recommendation are not binding.Rate this question:
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- 29.
The McMahon Line, which sets the boundary between India and China, is drawn to the northern boundary of which of the following states?
- A.
Jammu and Kashmir
- B.
Uttar Pradesh
- C.
Himachal Pradesh
- D.
Arunachal Pradesh
Correct Answer
D. Arunachal PradeshExplanation
The McMahon Line is a border line between Tibetan region of China and North-east region(Arunachal Pradesh) of India, proposed by British colonial administrator Henry McMahon at the 1914 Shimla Convention which was signed between the British and the Tibetan representatives.Rate this question:
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- 30.
The weather reports are prepared by the ________________ Department of the Government.
- A.
Ecological
- B.
Meteorological
- C.
Economical
- D.
Topological
Correct Answer
B. MeteorologicalExplanation
The weather reports are prepared by the India Meteorological Department (IMD) of the Government.Rate this question:
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- 31.
Where is the Nandi hills located?
- A.
Bihar
- B.
Gujarat
- C.
Karnataka
- D.
Rajasthan
Correct Answer
C. KarnatakaExplanation
Nandi Hills or Nandi betta is a hill in southern India, in the Chikkaballapur district of Karnataka state.Rate this question:
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- 32.
Which one of the following leaders belonged to the Extremist wing of the Congress?
- A.
Aurobindo Ghosh
- B.
Dadabhai Naoroji
- C.
G.K. Gokhle
- D.
S.N. Banerjee
Correct Answer
A. Aurobindo GhoshExplanation
The Early Nationalists failed to attain their objectives, giving rise to another group of leaders known as Assertive or Extremist Nationalists. The most prominent leaders of the Assertive Nationalists were Aurobindo Ghosh , Bal Gangadhar Tilak, Lala Lajpat Rai and Bipin Chandra Pal, who are known collectively as the Lal-Bal-Pal trio.Rate this question:
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- 33.
Who gave the ‘Inquilab Zindabad’ slogan?
- A.
Iqbal
- B.
Hasrat Mohani
- C.
Bhagat Singh
- D.
S.C. Bose
Correct Answer
B. Hasrat MohaniExplanation
The famous slogan Inquilab Zindabad was given by Hasrat Mohani. This famous slogan inspired the activities of the Hindustan Socialist Republican Association particularly Ashfaqulla Khan, Bhagat Singh and Chandrashekhar Azad.Rate this question:
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- 34.
Who is known as the Father of ‘Indian Unrest’?
- A.
Bal Gangadhar Tilak
- B.
Lala Lajpat Rai
- C.
Aurobindo Ghosh
- D.
Bipin Chandra Pal
Correct Answer
A. Bal Gangadhar TilakExplanation
Bal Gangadhar Tilak joined congress in 1890. Valentine Chirol called him “Father of Indian Unrest”, who first of all demanded complete “Swarajya”.Rate this question:
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- 35.
Currency notes and coins of one rupee are issued by the ___________.
- A.
State Bank of India
- B.
Government of India
- C.
Reserve Bank of India
- D.
None of these
Correct Answer
B. Government of IndiaExplanation
The One Rupee note is issued by Government of India and it bears the signatures of Finance Secretary, while other notes bear the signature of Governor of RBI.Rate this question:
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- 36.
A bag contains 216 in the form of one rupee, 50paise and 25 paise coins in the ratio of 2 : 3 : 4.The number of 50 paise coins is :
- A.
96
- B.
144
- C.
114
- D.
141
Correct Answer
B. 144Explanation
Sol. ATQ,
1×2x+1/2×3x+1/4×4x=216
2x+3x/2+x=216
9x/2=216
x = 48
Number of 50 paise coin = 48 × 3 = 144Rate this question:
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- 37.
A started a business with Rs 4500 and another person B joined after some period with Rs 3000. Determine this period after B joined the business if the profit at the end of the year is divided in the ratio 2 : 1
- A.
After 3 months
- B.
After 4 months
- C.
After 6 months
- D.
After 2 (1/2) months
Correct Answer
A. After 3 monthsExplanation
Sol. Profit’s Ratio = 4500 × 12 : 3000 × x
= 54 : 3x
= 18 : x
18/x=2/1
x = 9 months
B joined after = 12 – 9 = 3 monthsRate this question:
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- 38.
A cistern has two taps (which fill it in 12 min and 15 min, respectively) and an exhaust tap. When all three taps are opened together, it takes 20 min to fill the empty cistern. How long will the exhaust tap take to empty it ?
- A.
20 min
- B.
16 min
- C.
12 min
- D.
10 min
Correct Answer
D. 10 minExplanation
Sol. ATQ,
1/12+1/15-1/x=1/20
1/x=1/12+1/15-1/20
1/x=(5+4-3)/60
1/x=6/60
x = 10 minRate this question:
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- 39.
12 men complete a work in 18 days. Six days after they had started working, 4 men joined them. How many days will all of them take to complete the remaining work ?
- A.
10 days
- B.
12 days
- C.
15 days
- D.
9 days
Correct Answer
C. 15 daysExplanation
Sol. Work done by 12 men in 6 days = 6/18=1/3
Remaining work = 1-1/3=2/3
12×18=(16×d)/(2/3)
(12×15×2)/(16×3)=days
9 = days
Work gets completed in = 9 + 6 = 15 daysRate this question:
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- 40.
A motor boat whose speed is 15 km/h in still water goes 30 km downstream and comes back in four and a half hours. The speed of the stream is :
- A.
46 km/h
- B.
6 km/h
- C.
7 km/h
- D.
5 km/h
Correct Answer
D. 5 km/hExplanation
Sol. ATQ,
30/(15-x)+30/(15+x)=9/2
30((15+x+15-x)/(225-x² ))=9/2
200/(225-x² )=1
x² = 25
x = 5 km/hrRate this question:
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- 41.
The L.C.M. of two number is 630 and their H.C.F. is 9. If the sum of numbers is 153, their difference is
- A.
17
- B.
23
- C.
27
- D.
33
Correct Answer
C. 27Explanation
Sol. a + b = 153
a × b = 630 × 9
(a – b)² = (a + b)² – 4ab
(a – b)² = (153)² – 4 × 630 × 9
(a – b)² = 23409 – 22680
(a – b)² = 729
a – b = 27Rate this question:
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- 42.
The average age of the family of five members is 24. If the present age of youngest member is 8 yr,then what was the average age of the family at the time of the birth of the youngest member ?
- A.
20 yr
- B.
16 yr
- C.
12 yr
- D.
18 yr
Correct Answer
A. 20 yrExplanation
Sol.
S_5/5=24
S₅ = 120
S₄ = 120 – 8 = 112
Sum of four members 8 years ago = 112 – 4 × 8
= 112 – 32
= 80
Average at the time of the birth of youngest
Member = 80/4 = 20 yearsRate this question:
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- 43.
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 960 g for the kg weight. Find his gain percent.
- A.
4%
- B.
4(1/6) %
- C.
96%
- D.
40%
Correct Answer
B. 4(1/6) %Explanation
Sol. Profit % = 40/960×100
=400/96
=100/24
=25/6%
=4(1/6)%Rate this question:
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- 44.
A and B started a business by investing 35,000 and 20,000 respectively. B left the business after 5 months and C joined the business with a sum of 15,000. The profit earned at the end of the year is 84,125. What is B’s share of profit?
- A.
14133
- B.
15000
- C.
13460
- D.
Cannot be determined
Correct Answer
C. 13460Explanation
Sol. Profits Ratio
= 35000 × 12 : 20000 × 5 : 15000 × 7
= 420 : 100 : 105
= 84 : 20 : 21
B’s profit = 84125 × 20/125
= 673 × 20
= 13460Rate this question:
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- 45.
When the price of a radio was reduced by 20%, its sale increased by 80%. What was the net effect on the sale?
- A.
44% increase
- B.
44% decrease
- C.
66% increase
- D.
75% increase
Correct Answer
A. 44% increase -
- 46.
In the following question, select the missing number from the given series.
- A.
512
- B.
968
- C.
864
- D.
432
Correct Answer
C. 864Explanation
Sol.
14² × 4 = 784
16² × 5 = 1280
12² × 6 = 864Rate this question:
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- 47.
In this question, choose one word which cannot be formed from the letters of the given word. COMMUNICATION
- A.
Motion
- B.
Union
- C.
National
- D.
Common
Correct Answer
C. National -
- 48.
Clever : Smart : : Apprehensive : ?
- A.
Calm
- B.
Certain
- C.
Worried
- D.
Confident
Correct Answer
C. WorriedExplanation
SYNONYMSRate this question:
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- 49.
Arrange the given words in the sequence in which they occur in the dictionary. i. Worrisome ii. Wonderful iii. Worthless iv. Wrong
- A.
Iv, ii, i, iii
- B.
ii, i, iii, iv
- C.
ii, iii, i, iv
- D.
i, iv, iii, ii
Correct Answer
B. ii, i, iii, ivExplanation
Sol.
ii. wonderful
i. worrisome
iii. worthless
iv. wrongRate this question:
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- 50.
Select the related word/letters/number from the given alternatives. 1331 : 11:: 13824 : ?
- A.
20
- B.
23
- C.
18
- D.
24
Correct Answer
D. 24Explanation
Sol.
11³ = 1331
24³ = 13824Rate this question:
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