69th BPSC Prelims Exam 30 Sep 2023 (English Language) (Official Answer Key) | TheExamPillar
69th BPSC Prelims Exam 30 Sep 2023 (Answer Key)

69th BPSC Prelims Exam 30 Sep 2023 (English Language) (Official Answer Key)

21. A man ‘Ramesh’, who owns a plot of land of 100 square yards, increases his plot of land by acquiring 10% more from his neighbour ‘Suresh’, who also owns 100 square yards land. After 2 years, he sells back 10% of the total plot to the neighbour. Which of the following is correct?
(A) Suresh’s land is more than Ramesh
(B) Ramesh’s land is more than Suresh
(C) Both are equal
(D) None of the above.

Show Answer/Hide

Answer – (A)

22. Find the odd pair among the following options.
(A) Snobbery : Shoes
(B) Millinery : Hats
(C) Brewery : Alcohol
(D) Stationery : Paper

Show Answer/Hide

Answer – (A)

23. What should come in place of question mark (?) in the following number series?
132, 156, ?, 210, 240, 272
(A) 204
(B) 196
(C) 182
(D) 199

Show Answer/Hide

Answer – (C)

24. Select the missing number from the given alternatives :

44 49 37
52 ? 41
58 35 53

(A) 63
(B) 56
(C) 77
(D) 66

Show Answer/Hide

Answer – (C)

25. Read the given statement and conclusions carefully. Decide which of the given conclusions logically follow(s) from statement.
Statement :
In a one-day cricket match, the total runs made by a team were 200, of which 160 runs were made by spinners.
Conclusions :
1. 80% of the team consisted of spinners.
2. The opening batsmen were spinners.
Select the correct answer.
(A) Neither 1 nor 2 follows the statement
(B) Only 1 follows the statement
(C) Only 2 follows the statement
(D) Both 1 and 2 follow the statement

Show Answer/Hide

Answer – (A)

26. Which of the following liquids is a bad conductor of electricity?
(A) Lemon juice
(B) Salted water
(C) Orange juice
(D) None of the above

Show Answer/Hide

Answer – (D)

27. The DNA double helix structure was discovered by
(A) Gregor Mendel
(B) James Watson and Francis Crick
(C) Rosalind Franklin and Maurice Wilkins
(D) Linus Pauling

Show Answer/Hide

Answer – (B)

28. Two objects of different masses falling freely near the surface of the Moon would
(A) experience forces of same magnitude
(B) have different accelerations
(C) undergo a change in their inertia
(D) have same velocity at any instant

Show Answer/Hide

Answer – (D)

29. How do vector vaccines work to provide immunity?
(A) By entering directly into the cells and enabling them to create spike proteins
(B) By introducing a weakened or inactivated virus into the body
(C) By directly attacking and destroying pathogens in the body
(D) By placing the virus in a modified version of a different virus

Show Answer/Hide

Answer – (D)
Vector vaccines use a harmless virus containing nucleic acid of diseasecausing virus. These modified virus make antigen inside host and provide protective immunity against it.

30. The process that continually adds new crust is
(A) convection
(B) subduction
(C) earthquake
(D) seafloor spreading

Show Answer/Hide

Answer – (D)

31. The theory that states “pieces of the Earth’s crust are in constant, slow motion driven by movement in the mantle” is called
(A) the theory of plate boundaries
(B) the theory of continental drift
(C) the theory of Pangaea
(D) the theory of plate tectonics

Show Answer/Hide

Answer – (D)

32. What is the expanded form of the term ‘mRNA’ that has been since the widely discussed beginning of the pandemic?
(A) Mnemonic Ribonucleic Acid
(B) Messenger Ribonucleic Acid
(C) Mutant Ribonucleic Acid
(D) Modified Ribonucleic Acid

Show Answer/Hide

Answer – (B)

33. An AC current can be produced by
(A) transformer
(B) choke coil
(C) dynamo
(D) None of the above

Show Answer/Hide

Answer – (C)
Dynamo acts both as DC current generator as well AC current generator. Hence answer (B) is correct.

34. Current density is
(A) dimensionless
(B) a scalar quantity
(C) a vector quantity
(D) None of the above

Show Answer/Hide

Answer – (C)

35. What is the basis of most useful classification of medica- tions in medical chemistry?
(A) Chemical structure
(B) Pharmacological effect
(C) Molecular targets
(D) None of the above

Show Answer/Hide

Answer – (C)

36. Which of the following slows down the reaction rate?
(A) Heterogeneous catalyst.
(B) Catalytic promoter
(C) Homogeneous catalyst
(D) None of the above

Show Answer/Hide

Answer – (D)

37. Input and output nerves meet at
(A) heart
(B) liver
(C) central nervous system
(D) None of the above

Show Answer/Hide

Answer – (C)
Input nerve (Sensory) and Output nerve (Motor) meet at the Spinal cord, which is pne of the major parts of the Central Nervous System. Hence the option “B” is correct.

38. Which of the following technologies will be enabled by the 5G mobile communication networks?
1. Internet of Things
2. Edge Computing
3. Network Slicing
Select the correct answer using the codes given below.
(A) 1, 2 and 3
(B) Only 1 and 2
(C) Only 2 and 3
(D) Only 1 and 3

Show Answer/Hide

Answer – (B)
‘Internet of things’ (IOT) is the collective network of connected devices and the technology that facilitates communication between devices and cloud as well as between devices themselves. Edge computing is an emerging paradigm which refers to arrange of networks and devices at or near the user. And, ‘Network Slicing’is a network configuration that allows multiple networks to be created on top of common physical infrastructure. All of these three will be enabled by the 5G mobile communication networks so that (A) is correct option.

39. Match List-I with List-II:

List-I (Space Mission)  List-II (Exploration)
a. Cassini-Huygens  1. Jupiter
b. Juno  2. Saturn and its rings
c. Artemis  3. Venus
d. VERITAS
4. Human Space-flight-Moon to Mars

Select the correct answer using the codes given below.
(A) a-3, b-1, c-2, d-4
(B) a-2, b-1, c-4, d-3
(C) a-3, b-1, c-4, d-2
(D) a-2, b-3, c-4, d-1

Show Answer/Hide

Answer – (B)

40. Match List-I with List-II :

List-I (Cloth)  List-II (Origin)
a. Linen  1. Coconut plant
b. Coir  2. Flax plant
c. Mohair  3. Feathers of duck and geese
d. Down  4. Angora goat

Select the correct answer using the codes given below.
(A) a-4, b-1, c-3, d-2
(B) a-1, b-3, c-2, d-4
(C) a-4, b-3, c-1, d-2
(D) a-2, b-1, c-4, d-3

Show Answer/Hide

Answer – (D)

1 Comment

Leave a Reply

Your email address will not be published.

error: Content is protected !!