Chapter 48 – MCQs for Lab Technician and Technologists

5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.

2351 to 2400 MCQs for Lab Technician and Technologist Exam Preparation

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Questions 2351 to 2400

2351. Congential diseases are
      1. Diseases present at birth ✔
      2. Deficiency disease
      3. Occur during life
      4. Spread from one individual to another
2352. The enzyme needed in biological systems for joining two molecules is called
      1. Lyases
      2. Diastases
      3. Polymerases ✔
      4. Hydrolase
2353. Meosomes are the part of
      1. Plasma membrane ✔
      2. ER
      3. Lysosomes
      4. Golgi
2354. All prokaryotes are surrounded by a cell wall except
      1. Mycoplasms ✔
      2. Sperochetes
      3. Actinomycetes
      4. Methanogena
2355. Enzyme hydrolyzing bacterial cell wall
      1. Lysozome
      2. Reductase
      3. Protease
      4. Lysozyme ✔
2356. Cows can digest straw because they contain
      1. Cellulose hydrolyzing microorganisms ✔
      2. Protein hydrolyzing bacteria
      3. Lipid hydrolyzing microorganisms
      4. Amino acid degrading bacteria
2357. The nucleus controls protein synthesis in the cytoplasm by sending
      1. Chromatin
      2. A DNA template
      3. m RNA molecule ✔
      4. A pecialized protein
2358. The site of energy production in a cell
      1. Micro body
      2. Chromosome
      3. Ribosome
      4. Mitochondria ✔
2359. Thylakoid is present in
      1. Mitochondria
      2. Chloroplast ✔
      3. ER
      4. Golgi apparatus
2360. Which one of the following bacteria has found extensive use in genetic engineering work in plants?
      1. Clostridum septicum
      2. Xanthomonas oriza
      3. Bacillus coagulens
      4. Agrobacterium tumefaciens ✔
2361. Maximum application of animal cell culture technology today is in the production of
      1. Insulin
      2. Interferons
      3. Vaccines ✔
      4. Edible proteins
2362. Bacterial ribosomes are composed of
      1. Protein and DNA
      2. Protein and mRNA
      3. Protein and rRNA ✔
      4. Protein and tRNA
2363. The potorespiration involves
      1. Calvin cycle
      2. Hatch-Slack cycle
      3. Glycolate cycle ✔
      4. Kreb’s cycle
2364. Bioleaching is done by
      1. Protozoa
      2. Bacteria ✔
      3. Algae
      4. All of the above
2365. Inclusion bodies diagnostic of rabies are called
      1. Elementary bodies
      2. Pascheur bodies
      3. Negri bodies ✔
      4. Guarnieri bodies
2366. Which of the following genera is most likely to contain organisms capable of surviving high temperature?
      1. Vibrio
      2. Pseudomonas
      3. Torula ✔
      4. Coxiella
2367. The major role of minor elements inside living organisms is to act as
      1. Co-factors of enzymes ✔
      2. Building blocks of important amino acids
      3. Constituents of hormones
      4. Binder of cell structure
2368. The apparatus used to ma inta in a continuous culture
      1. Chemostat ✔
      2. Autostat
      3. Thermostat
      4. Both a and c
2369. The test used to detect the deamination of the amino acids by bacteria
      1. Nessler’s reagent test ✔
      2. Proteolytic test
      3. Lactose test
      4. Rose aindole reagent test
2370. Diphtheria is caused by
      1. Corynebacterium ✔
      2. Staphylococcus
      3. Streptococcus
      4. None of these
2371. Koplic spots observed in the mucous membrane is characteristic feature of the disease
      1. Rubella
      2. Measles
      3. Mumps ✔
      4. Influenza
2372. A bacterium containing prophage is called as
      1. Lytic
      2. Lysogen ✔
      3. Lytogen
      4. None of these
2373. The most infectious food borne disease is
      1. Tetanus
      2. Dysentery
      3. Gas gangrene
      4. Botulism ✔
2374. An example for common air borne epidemic disease
      1. Influenza ✔
      2. Typhoid
      3. Encephalitis
      4. Malaria
2375. Vrial genome can become integrated into the bacterial genomes are known as
      1. Prophage
      2. Temperatephage ✔
      3. Bacteriophage
      4. Metaphage

2376. Rancidity of stored foods is due to the activity of
      1. Toxigenic microbes
      2. Proteolytic microbes
      3. Saccharolytic microbes
      4. Lipolytic microbes ✔
2377. Virion means
      1. Infectious virus particles
      2. Non-infectious particles
      3. Incomplete particles ✔
      4. Defective virus particles
2378. Virulence of the microorganisms can be reduced by
      1. Attenuation ✔
      2. A virulence
      3. Inactivation
      4. Freezing
2379. The test used for detection of typhoid fever
      1. WIDAL test ✔
      2. ELISA
      3. Rosewaller test
      4. Westernblotting
2380. Bacteriophage capable of only lytic growth is called
      1. Temperate ✔
      2. Avirulent
      3. Virulent
      4. None of these
2381. Diphtheria bacillus is otherwise known as
      1. Fried-Landers bacillus
      2. Kleb’s hofflers bacillus ✔
      3. Frchs bacillus
      4. Koch’s bacillus
2382. Acridine dyes are more effective against
      1. Gram positive ✔
      2. Gram negative
      3. Ricke Hsia
      4. Mycoplasma
2383. In bacteria pigment bearing structures are
      1. Chloroplast
      2. Protoplast
      3. Sphaeroplast
      4. Chromatophores ✔
2384. The procedure of differential staining of bacteria was developed by
      1. A.H. Gram
      2. H.C. Gram ✔
      3. N.C. Gram
      4. H.A. Gram
2385. Intermediate group of pathogen between bacteria and viruses which are intracellular parasites are called
      1. Mucoplasmas
      2. Rickettsias ✔
      3. Prions
      4. Virusoides
2386. Bacillus is an example of
      1. Gram positive bacteria ✔
      2. Gram negative bacteria
      3. Virus
      4. Viroid
2387. Amoebic dysentery in humans is caused by
      1. Plasmodium
      2. Paramecium
      3. Yeast
      4. Entamoeba histolytica ✔
2388. Viral genome that can become integrated into bacterial genome is called
      1. Prophage ✔
      2. Temperate phage
      3. Bacteriophage
      4. Metaphage
2389. Cytochromes are
      1. Oxygen acceptors
      2. ATP acceptors
      3. Electron acceptors ✔
      4. Protein acceptors
2390. The ce l ls hav ing F p lasm id in the chromosomes were termed as
      1. Hfr ✔
      2. F–
      3. Hbr
      4. C+
2391. Recombination process occurring through the mediation of phages is
      1. Conjunction
      2. Transduction ✔
      3. Transformation
      4. Transfection
2392. Mordant used in grams staining is
      1. Crystal violet
      2. Iodine ✔
      3. Saffranin
      4. All of these
2393. Parasitic form must contain
      1. Capsule
      2. Cell-wall ✔
      3. Endospores
      4. Flagella
2394. Gram staining is an example for
      1. Simple staining
      2. Differential staining
      3. Negative staining
      4. None of these ✔
2395. Following Cocci are non-motile except
      1. Staphylococcus ✔
      2. Meningococcus
      3. Gonococcus
      4. Rhodococcus agilis
2396. Aspergillus fumigatus can infect
      1. Birds
      2. Animals ✔
      3. Man
      4. All of them
2397. Enterotoxin responsible for food poisoning is secreted by
      1. Enterococci
      2. Entamoeba histolytica
      3. Enterobacteriaceae
      4. Straphylococci ✔
2398. Autolysis is done by
      1. Mitochondria
      2. Lysosomes ✔
      3. Golgi bodies
      4. Peroxisomes
2399. A facultative anaerobic is
      1. Only grow anaerobically
      2. Only grow in the presence of O2
      3. Ordinarily an anaerobe but can grow with O2
      4. Ordinarily an aerobe but can grow in absence of O2 ✔
2400. The percentage of O2 required by moderate anaerobe is
      1. 0%
      2. < 0.5%
      3. 2 – 8% ✔
      4. 5 – 10%

The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.

To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.

Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.

Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.

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Possible References Used

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