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Objective Questions

Latest BSF Constable, ASI Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge & Numerical Aptitude, Human Anatomy and Physiology & Lab Technician

Question Bank BSF ASI (Lab Technician) Exam - English
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General Knowledge & Numerical Aptitude

Question 1Single Answer
Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
  1. A
    Window
  2. B
    Pop-up menu
  3. C
    Message box
  4. D
    Taskbar
Question 2Single Answer
Which if the following is TRUE about the meaning of a bank?
  1. A
    It is a financial establishment
  2. B
    It acts like a financial intermediary
  3. C
    It accepts deposits from the public 
  4. D
    It provides safe locker facility
  5. E
    All the above
Question 3Single Answer
Yojna a weekly journal
  1. A
    Ministry of Finance        
  2. B
    Ministry of Information and Broadcastin
  3. C
    Ministry of Rural Development
  4. D
    Planning Commission
Question 4Single Answer
Kurukshetra a journal on rural development is published by
  1. A
    Ministry of Finance 
  2. B
    Ministry of Information and Broadcastin
  3. C
    Ministry of Rural Development
  4. D
    Planning Commission
Question 5Single Answer
Devaluation of a currency means
  1. A
    Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
  2. B
    Reduction in the value of a currency vis-à-vis major internationally traded currencies
  3. C
    Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
  4. D
    Permitting the currency to seek its worth in the international market
Question 6Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
  1. A
    51:52
  2. B
    52:53
  3. C
    51:53
  4. D
    52:55
Question 7Single Answer
Which of the following numbers is irrational ?
  1. A
    √49
  2. B
    0.125
  3. C
    √2
  4. D
    22/7
Question 8Single Answer
356 x 936 – 356 x 836 = ?
  1. A
    35600  
  2. B
    34500
  3. C
    9630
  4. D
    93600
Question 9Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
  1. A
    3/4 > 7/10 > 5/8
  2. B
    7/10 > 3/4 > 5/8
  3. C
    3/4 > 5/8 > 7/10
  4. D
    5/8 > 7/10 > 3/4
Question 10Single Answer
What is (3^{4} times 9^{2}) ?
  1. A
    36
  2. B
    38
  3. C
    310
  4. D
    96
     
Question 11Single Answer
If 34X-2 = 729, then find the value of X.
  1. A
    4     
  2. B
    3
  3. C
    2 
  4. D
    5
Question 12Single Answer
Convert 0.6 into fraction ?
  1. A
    3/5
  2. B
    2/3
  3. C
    4/5
Question 13Single Answer
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
  1. A
    169  
  2. B
    36
  3. C
    196 
  4. D
    Can not say
Question 14Single Answer
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
  1. A
    16   
  2. B
    25
  3. C
    28  
  4. D
    30
Question 15Single Answer
If x*y = x2 + y2 – xy, then value of 9*11 is
  1. A
    93     
  2. B
    103
  3. C
    60.5
  4. D
    121
Question 16Single Answer
Sattriya dance form is famous in which of these states ?
  1. A
    Assam
  2. B
    Himachal Pradesh
  3. C
    Punjab
  4. D
    Tamil Nadu
Question 17Single Answer

"Who said, 'India was a parrot unto itself'?

  1. A
    Malik Muhammad Joyce
  2. B
    Raskhan
  3. C
    Rich Khusrow
  4. D
    Rich Hasan
Question 18Single Answer
Which is the national game of Bhutan ?
  1. A
    badminton
  2. B
    basketball
  3. C
    football
  4. D
    archery
Question 19Single Answer
When was the Constituent Assembly of India formed?
  1. A
    1946
  2. B
    1947
  3. C
    1948
  4. D
    1950
Question 20Single Answer
What is the lithosphere composed of ?
  1. A
    Water and gases
  2. B
    Rocks and minerals
  3. C
    Living organisms
  4. D
    Air and gases
Question 21Single Answer
The Indian Navy recently received its second indigenous Diving Support Vessel (DSV). What is its name?
  1. A
    Nistar
  2. B
    Nipun
  3. C
    INS Vikrant
  4. D
    INS Arihant
Question 22Single Answer
The Public Examinations (Prevention of Unfair Means) Amendment Bill, 2026, was passed by the Rajya Sabha on which date?
  1. A
    27 July 2026
  2. B
    29 July 2026
  3. C
    31 July 2026
  4. D
    30 July 2026
Question 23Single Answer
Who won the silver medal in the men’s javelin throw at the Commonwealth Games 2026 held in Glasgow?
  1. A
    Yash Vir Singh
  2. B
    Neeraj Chopra
  3. C
    Kishore Jena
  4. D
    Rohit Yadav
Question 24Single Answer
India became which numbered WTO member to accept the Agreement on Fisheries Subsidies (as per recent updates)?
  1. A
    120th
  2. B
    121st
  3. C
    123rd
  4. D
    125th
Question 25Single Answer
Which organisation released the Global Tiger Recovery Report 2026?
  1. A
    UNEP
  2. B
    WWF
  3. C
    Global Tiger Forum
  4. D
    IUCN

Human Anatomy and Physiology & Lab Technician

Question 26Single Answer
Which scientist identified *Mycobacterium tuberculosis* as the causative agent of tuberculosis? 
  1. A
    Louis Pasteur
  2. B
    Robert Koch
  3. C
    Joseph Lister
  4. D
    Edward Jenner
Question 27Single Answer
Father of antiseptic surgery is
  1. A
    Louis Pasteur
  2. B
    Robert Koch
  3. C
    Antonie Van Leeuwenhoek
  4. D
    Lister
Question 28Single Answer
Which process developed by Louis Pasteur uses controlled heating to reduce harmful microorganisms in beverages?
  1. A
    Autoclaving
  2. B
    Pasteurization
  3. C
    Tyndallization
  4. D
    Incineration
Question 29Single Answer
Mycobacterium leprae is also known as .............
  1. A
    Golden bacilli
  2. B
    Koch's bacillus
  3. C
    Magical bacilli
  4. D
    Hansen's bacilli
Question 30Single Answer
Which combination represents the WHO-recommended multidrug therapy for leprosy?
  1. A
    Rifampicin, dapsone and clofazimine
  2. B
    Rifampicin, isoniazid and ethambutol
  3. C
    Dapsone, acyclovir and rifampicin
  4. D
    Clofazimine, zidovudine and isoniazid
Question 31Single Answer
Mycobacterium tuberculosis is also known as
  1. A
    Golden bacilli
  2. B
    Koch's bacillus
  3. C
    Magical bacilli
  4. D
    Hansen's bacilli
Question 32Single Answer
Who developed the first practical electron microscope?
  1. A
    Robert Koch and Louis Pasteur
  2. B
    Ernst Ruska and Max Knoll
  3. C
    Edward Jenner and Joseph Lister
  4. D
    Watson and Crick
Question 33Single Answer
Which of the following organisms is NOT acid-fast?
  1. A
    Mycobacterium tuberculosis
  2. B
    Nocardia species
  3. C
    Cystoisospora belli oocysts
  4. D
    Staphylococcus aureus
Question 34Single Answer
In bacteria, the electron transport chain responsible for aerobic respiration is primarily located in which structure?
  1. A
    Cytoplasmic membrane
  2. B
    Ribosome
  3. C
    Capsule
  4. D
    Nucleoid
Question 35Single Answer
Which bacterial structure can help prevent phagocytosis by host immune cells?
  1. A
    Capsule
  2. B
    Ribosome
  3. C
    Nucleoid
  4. D
    Endospore
Question 36Single Answer
What term describes spherical bacteria arranged in chains?
  1. A
    Staphylococci
  2. B
    Streptococci
  3. C
    Diplobacilli
  4. D
    Vibrios
Question 37Single Answer
Coma shaped bacteria are known as
  1. A
    Staphylococci
  2. B
    Streptococci
  3. C
    Vibrio
  4. D
    Bacillus
Question 38Single Answer
Which of the following is most resistant to sterilization ?
  1. A
    Tubercle bacilli
  2. B
    Viruses
  3. C
    Spores
  4. D
    Prions
Question 39Single Answer
Which method is commonly used for high-level disinfection of heat-sensitive flexible endoscopes?
  1. A
    Glutaraldehyde-based high-level disinfection
  2. B
    Dry heat at 160°C
  3. C
    Flaming
  4. D
    Routine steam autoclaving
Question 40Single Answer
Which of the following is a classical transport medium used for stool specimens suspected of containing *Vibrio cholerae*?
  1. A
    Venkatraman-Ramakrishnan medium
  2. B
    Blood agar
  3. C
    Nutrient agar
  4. D
    Selenite F broth
Question 41Single Answer
Which of the following is an enriched culture medium?
  1. A
    Peptone water
  2. B
    Selenite F broth
  3. C
    Chocolate agar
  4. D
    MacConkey agar
Question 42Single Answer
Which of the following factor does not affect microbial growth ?
  1. A
    Moisture
  2. B
    Disinfection
  3. C
    Darkness
  4. D
    Temperature
Question 43Single Answer
Agar concentration required to prepare nutrient agar is :
  1. A
    1 - 2%
  2. B
    4 - 6%
  3. C
    0.25 - 0.5%
  4. D
    0.5 - 1%
Question 44Single Answer
HIV is a
  1. A
    Retro virus
  2. B
    DNA virus
  3. C
    Fungus
  4. D
    Bacteria
Question 45Single Answer
MRSA is mediated due to
  1. A
    Plasmid
  2. B
    Chromosome
  3. C
    Transposons
  4. D
    None of these
Question 46Single Answer
All of the following are vector bone diseases except
  1. A
    Malaria
  2. B
    Filariasis
  3. C
    Rubella
  4. D
    Chagas disease
Question 47Single Answer
Primary immune response the correct statement is :
  1. A
    Involves IgG
  2. B
    Antibody producing cells . Memory B cell
  3. C
    No lag period
  4. D
    Slow and sluggish
Question 48Single Answer
Which transfusion-transmissible infection is routinely screened for in donated blood?
  1. A
    HIV infection
  2. B
    Common cold
  3. C
    Tetanus
  4. D
    Diphtheria
Question 49Single Answer
Which one of the following is post streptococcal sequelae :
  1. A
    Acute rheumatic fever
  2. B
    Cellulitis
  3. C
    Pharyngitis
  4. D
    Impetigo
Question 50Single Answer
In a person with no known TB risk factors, what tuberculin skin test induration is considered positive according to CDC interpretation?
  1. A
    ≥2 mm
  2. B
    ≥5 mm
  3. C
    ≥10 mm
  4. D
    ≥15 mm
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