Online Exam Preparation: MCQ Quiz!

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    How many chromosomes does a human cell contain?

    • 6
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    • 66
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About This Quiz

Online exam preparation test for students. Exams can be nerve-wracking if you are not well prepared for them, and one way to ensure that you do not get all confused as you do, your exam is to test yourself regularly. How about you take this quiz as the first on your journey to the online exam? Feel free to take it as many times as you need!

Online Exam Preparation: MCQ Quiz! - Quiz

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  • 2. 

    Milk openly placed for sometime becomes sour due to- 

    • Carbonic acid

    • Lactic acid

    • Citric acid

    • Acetic acid

    Correct Answer
    A. Lactic acid
    Explanation
    Milk contains a sugar called lactose. It also contains harmless bacteria called lactobacillus, which uses glucose for energy and creates lactic acid as a by-product. It is the lactic acid which makes the milk sour. The presence of lactic acid or lactate in milk is due to the fermentation of lactose caused mainly by lactic bacteria.

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  • 3. 

    Which of the following is a fossil fuel? 

    • Alcohol

    • Ether

    • Water gas

    • Natural gas

    Correct Answer
    A. Natural gas
    Explanation
    Fossil fuels, including coal, oil and natural gas are currently the world’s primary energy sources.

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  • 4. 

    For the following question, find the odd numbers/letters/numbers from the given alternatives. 

    • Red

    • Brown

    • Green

    • Yellow

    Correct Answer
    A. Brown
    Explanation
    Except brown all colours are related to rainbow.

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  • 5. 

    From the given alternative words, select the word which cannot be formed using the letters of the given word:  pHOTOSYNTHETIC

    • THOSE

    • SCENT

    • PRONE

    • COTTON

    Correct Answer
    A. PRONE
    Explanation
    PRONE; there is no ‘R’ in the give word.

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  • 6. 

    Kane Stuart Williamson is a cricketer of ______.

    • South Africa

    • Australia

    • England

    • New Zealand

    Correct Answer
    A. New Zealand
    Explanation
    Kane Stuart Williamson is a New Zealand international cricketer who is currently the captain of the New Zealand national team.

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  • 7. 

    3, 15, 35, 63, 99, ?

    • 141

    • 143

    • 151

    • 163

    Correct Answer
    A. 143
    Explanation
    The difference between digits are + 12, + 20, + 28, + 36, + 44, so missing term is 99 + 44 = 143.

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  • 8. 
    In the following question, select the missing number from the given series.  - ProProfs

    In the following question, select the missing number from the given series. 

    • 81

    • 361

    • 289

    • 225

    Correct Answer
    A. 225
  • 9. 

    In which language, Lok Sabha debates are printed?

    • Hindi

    • English

    • Sanskrit

    • Both Hindi & English

    Correct Answer
    A. Both Hindi & English
    Explanation
    Three versions of the Lok Sabha Debates are prepared, viz., a Hindi Version, an English Version and an Original Version. Out of these, Hindi and English versions, are printed and distributed among the members and others. The Original Version is kept in the Parliament Library, suitably bound, for purposes of record and reference only.

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  • 10. 

    Which one of the following substances is used in the preservation of food stuff? 

    • Citric Acid

    • Potassium Chloride

    • Sodium Benzoate

    • Sodium Chloride

    Correct Answer
    A. Sodium Benzoate
    Explanation
    The chemical formula of Sodium Benzoate is NaC7H5O2. It is widely used as food preservative.

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  • 11. 

    Arrange the given words in the sequence in which they occur in the dictionary. i. Collaborate ii. Constant iii. Correspondence iv. Combination

    •  iv, ii, i, iii

    •  iii, ii, iv, i

    • Iv, iii, i, ii

    •  i, iv, ii, iii

    Correct Answer
    A.  i, iv, ii, iii
  • 12. 

    In a certain code language, ‘TAPERECORDER’ is written as ‘!#&@^@?%^+@^’. How is ‘REPORT’ written in that code language?

    • ^@&^%!

    • ^@&%!

    •  ^@&%^!

    • ^@%&^!

    Correct Answer
    A.  ^@&%^!
  • 13. 

    A pungent smell often present near the urinals is due to- 

    • Sulphur-di-oxide

    • Chlorine

    • Ammonia

    • Urea

    Correct Answer
    A. Ammonia
    Explanation
    Urine odour is caused by the presence of Ammonia. Urine is an aqueous solution of greater than 95% water.

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  • 14. 

    Which gas is used in fire extinguisher? 

    • Carbon dioxide

    • Hydrogen

    • Oxygen

    • Sulphur dioxide

    Correct Answer
    A. Carbon dioxide
    Explanation
    Carbon dioxide gas is used in a fire extinguisher to control small fires, often in emergency situations.

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  • 15. 

    Which one of the following gases, released from biogas plant is used as a fuel gas? 

    •  Butane

    • Propane

    • Methane

    • Ethane

    Correct Answer
    A. Methane
    Explanation
    Methane is the principal gas in biogas. It is also the main component of natural gas, a fossil fuel, can be used to replace natural gas in many applications including cooking, heating, steam production, etc.

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  • 16. 

    A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. JLN, RTV, ZBD, ? 

    • SUW

    • HJL

    • GHI

    • TVX

    Correct Answer
    A. HJL
  • 17. 

    Which of the following river is known as Dakshin Ganga?

    • Brahmaputra

    • Ganga

    • Godavari

    • Krishna

    Correct Answer
    A. Godavari
    Explanation
    Godavari river is known as Dakshin Ganga because it is the longest river of south India

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  • 18. 

    In a car battery, electrolyte substance used is- 

    • Hydrochloric acid

    • Sulphuric acid

    • Nitric acid

    • Distilled water

    Correct Answer
    A. Sulphuric acid
    Explanation
    Electrolyte substance used in a car battery is Sulphuric acid (H_2 SO_4 ). It is a strong acid.

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  • 19. 

    Which one of the following is used in the manufacture of soaps? 

    • Vegetable oil

    • Mobil oil

    • Kerosene oil

    • Cutting oil

    Correct Answer
    A. Vegetable oil
    Explanation
    Soap is a combination of animal fat or plant oil and caustic soda. Many vegetable fats including olive oil, palm kernel oil and coconut oil are also used in soap making.

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  • 20. 

    Arrange the following in the meaningful/logical order: (1) Foundation (2) Plastering (3) Building (4) Painting

    •  1, 2, 3, 4

    • 1, 3, 2, 4

    • 3, 1, 2, 4

    • 3, 1, 4, 2

    Correct Answer
    A. 1, 3, 2, 4
    Explanation
    Meaningful order of words.
    1. Foundation 3. Building 2. Plastering 4. Painting

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  • 21. 

    Select the odd number pair from the given alternatives.

    • 66-56

    • 101-90

    •  41-30

    • 33-22

    Correct Answer
    A. 66-56
    Explanation
    Sol.
    66 – 56 = 10
    101 – 90 =11
    41 – 30 = 11
    33 – 22 = 11

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  • 22. 

    In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statements: (I) Some scooters are trucks. (II) All trucks are trains. Conclusion: (I) Some scooters are trains. (II) No truck is a scooter.  

    •  Conclusion I follows

    • Conclusion II follows

    • Neither I nor II follows

    • Both I and II follows

    Correct Answer
    A.  Conclusion I follows
  • 23. 

    In a class the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that of the girls is

    • 1 : 2

    • 1 : 4

    •  3 : 4

    • 3 : 5

    Correct Answer
    A.  3 : 4
    Explanation
    Let the number of boys be x. then, number of girls= 120% of x=6x/5
    ∴x+6x/5=66⇒11x/5=66⇒x=(66×5)/11=30
    Number of girls = 36
    New number of girls = 40
    Ratio of Boys & girls = 30 : 40 = 3: 4

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  • 24. 

    Which physical quantity is measured in ‘siemens’?

    • Electric potential

    • Electrical conductance

    • Magnetic flux 

    • Refractive index 

    Correct Answer
    A. Electrical conductance
    Explanation
    The siemens is the derived unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).

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  • 25. 

    Which chemical substance is used for making rat poison? 

    • Ethyl Alcohol

    • Methyl Isocyanate

    • Potassium Cyanide

    • Ethyl Isocyanide

    Correct Answer
    A. Potassium Cyanide
    Explanation
    Potassium Cyanide (KCN) or Zinc Phosphide is a highly toxic chemical used as a rodenticide a poison to kill the mouse.

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  • 26. 

    If the income of A is 10% more than that of B and the income of B is 20% less than that of C, then the incomes of A, B and C respectively are in the ratio

    • 11 : 10 : 8

    • 22 : 20 : 25

    • 10 : 9 : 7

    • 22 : 18 : 25

    Correct Answer
    A. 22 : 20 : 25
    Explanation
    Let C’s income be Rs x. Then B’s income = 80% of Rs x=Rs (4x/5)
    A’s income =110% of Rs (4x/5)=Rs (110/100 × 4x/5)=Rs (22x/25)
    ∴ A : B : C =22x/25:4x/5:x=22∶20∶25

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  • 27. 

    Bhartiya Janta Party was formed as a separate party in

    • 1925

    • 1955

    • 1980

    • 2001

    Correct Answer
    A. 1980
    Explanation
    The BJP is the successor party of the BJS, which merged itself into the Janata Party in 1977. The BJP was formed as a separate party in 1980 after internal differences in the Janata Party resulted in the collapse of the Janata government in 1979.

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  • 28. 

    The energy, found in dry cell is- 

    • Mechanic

    • Electric

    • Chemical

    • Electromagnetic

    Correct Answer
    A. Chemical
    Explanation
    The best example of changing into electric energy from chemical energy is primary cells or batteries, the dry cell is also made up in this phenomenon.

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  • 29. 

    Select the related word/letters/numbers from the given alternatives.  Pesticide : Plant : : ? : ?

    • Medicine : Cure

    • Injection : Fever

    • Vaccination : Baby

    • Sinarest : Cold

    Correct Answer
    A. Vaccination : Baby
    Explanation
    Pesticide prevents plants from disease. Similarly, vaccination related to baby.

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  • 30. 

    A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. XV, BA, JK, ? 

    • MP

    • VS

    • VZ

    • UD

    Correct Answer
    A. VZ
  • 31. 

    The digit in unit’s place of the product 81 × 82 × 83 …………… × 89 is?

    • 0

    • 1

    • 2

    • 3

    Correct Answer
    A. 0
    Explanation
    Unit digit = 1 × 2 × 3 × 4 × 5 × 6 × 7 × 8 × 9 = 0

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  • 32. 

    A man spends an average of Rs 1694.70 per month for the first 7 months and Rs 1810.50 per month for the next 5 months. His monthly salary if he saves Rs 3084.60 during the whole year is

    • Rs 2400

    • Rs 3000

    • Rs 1000

    • Rs 2000

    Correct Answer
    A. Rs 2000
  • 33. 

    The average salary per head of all workers of an institution is Rs. 60. The average salary per head of 12 officers is Rs. 400. The average salary per head on the rest is Rs. 56. Then, the total number of workers in the institution is

    • 1030

    • 1032

    • 1062

    • 1060

    Correct Answer
    A. 1032
  • 34. 

    What is the sum of first 19 odd numbers?

    • 361

    • 381

    • 371

    • 391

    Correct Answer
    A. 361
    Explanation
    Sum of 1st n odd numbers = (n)²= (19)² = 361

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  • 35. 

    Who wrote the book ­”The three Musketeers”?

    • EM Forster

    • Gunter Grass

    • Edward Luce

    • Alexandre Dumas

    Correct Answer
    A. Alexandre Dumas
    Explanation
    The Three Musketeers is a historical adventure novel written in 1844 by French author Alexandre Dumas.

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  • 36. 

    If yesterday was Tuesday, then what day of the week will the tenth day from today be?

    • Friday

    • Sunday

    • Monday

    • Saturday

    Correct Answer
    A. Saturday
  • 37. 

    All of the following are the aims of Lok Adalat, except

    • Secure justice to the weaker sections

    • Mass disposal of the cases

    • Give the power to rule in the hands of the common man

    • Minimize cost and delay

    Correct Answer
    A. Give the power to rule in the hands of the common man
    Explanation
    Lok Adalat is one of the alternative dispute redressal mechanisms, it is a forum where disputes/cases pending in the court of law or at pre-litigation stage are settled/ compromised amicably. Lok Adalats have been given statutory status under the Legal Services Authorities Act, 1987.

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  • 38. 

    What is the value of 1² + 2² + …………. + 10²?

    • 315

    • 395

    • 375

    • 385

    Correct Answer
    A. 385
    Explanation
    Sum of squares of 1st n natural numbers=n(n+1)(2n+1)/6
    Sum=(10×11×21)/6=385

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  • 39. 

    A, B, C along completed a piece of work in 30, 50 and 70 days. The ratio of the salary of each day is 4 : 3 : 2 respectively. If the total income of A is Rs. 144, find total income of B. 

    • Rs. 180

    • Rs. 185

    • Rs. 190

    • Rs. 195

    Correct Answer
    A. Rs. 180
  • 40. 

     The product of two number is 48. If one number equals “The number of wings of a bird plus 2 times the number of finger in your one hand divided by the number of wheels of a Tricycle.” Then the other number is

    • 9

    • 10

    • 12

    • 18

    Correct Answer
    A. 12
  • 41. 

    If in a three-digit number the last two digits’ places are interchanged, a new number is formed which is greater than the original number by 45. What is the difference between the last two digits of that number?

    • 9

    • 8

    • 6

    • 5

    Correct Answer
    A. 5
  • 42. 

    From a vessel containing 100 L of wine, 10 L are drawn out and an equal amount of water is added. From the mixture, 10 L is again drawn out and same quantity of water is added. What is the final ratio of wine to water?

    • 80 : 20

    • 90 : 10

    • 91 : 9

    • 81 : 19

    Correct Answer
    A. 81 : 19
  • 43. 

    What is the maximum percentage discount (approximately) that a merchant can offer on his marked price so that he ends up selling at no profit or loss, if he initially marked his goods up by 40%?

    • 60%

    • No Discount

    • 33.5%

    • 28.5%

    Correct Answer
    A. 28.5%
  • 44. 

    After interchanging ÷ and ×, 12 and 18, which one of the following equation becomes correct?

    • (90 × 18) ÷ 12 = 60

    • (18 × 6) ÷ 12 = 2

    • (72 ÷ 18) × 12 = 72

    • (12 × 6) ÷ 18 = 36

    Correct Answer
    A. (12 × 6) ÷ 18 = 36
    Explanation
    (18 ÷ 6) × 12 = 36

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  • 45. 

    Introducing man to her husband, a woman said, “His brother’s father is the only son of my grandfather.” How is the woman related to this man?

    • Mother

    • Aunt

    • Sister

    • Can’t be determined.

    Correct Answer
    A. Can’t be determined.
    Explanation
    My grandfather’s Only son-father, or uncle. If man is the son of father, the woman becomes sister. But if he is uncle, she becomes cousin.

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  • 46. 

    Sumitranandan Pant was a noted ______.

    • Boxer

    • Swimmer

    • Poet

    • Painter

    Correct Answer
    A. Poet
    Explanation
    Sumitranandan Pant was an Indian poet.

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  • 47. 

    By selling an article at 80% of its marked price, a trader makes a loss of 10%. What will be the profit percentage if he sells it at 95% of its marked price?

    • 6.9

    • 5

    • 5.9

    • 12.5

    Correct Answer
    A. 6.9
  • 48. 

    Brothers A and B had some savings in the ratio 4 : 5. They decided to buy a gift for their sister, sharing the cost in the ratio 3 : 4. After they bought, A spent two-third of his amount while B is left with Rs. 145. Then, the value of the gift is

    • Rs 70

    • Rs 105

    • Rs 140

    • Rs 175

    Correct Answer
    A. Rs 140
  • 49. 

    The taxi charges in a city contain fixed charges and additional charge/km. The fixed charge is for a distance of upto 5 km and additional charge/km there after. The charge for a distance of 10 km is Rs. 350 and for 25 km is Rs. 800. The charge for distance of 30 km is

    •  Rs. 800

    • Rs. 750

    • Rs. 900

    •  Rs. 950

    Correct Answer
    A.  Rs. 950

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