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.
3701 to 3750 MCQs for Lab Technician and Technologist Exam Preparation
If You like then share this to your friends and other social media.
If You have any question and suggestions then please Contact us Here
Questions 3701 to 3750
- Microorganisms used for alcohol production
a. Saccharomyces sereviceae ✔️
b. Bacillus subtilis
c. Penicillium chrysogenum
d. None of these - For streptomycin production the microorganisms required are
a. Streptomyces griseus ✔️
b. Streptomyces niger
c. Saccharomyces cereviceae
d. All of these - The by-product during streptomycin production is
a. Vitamin A
b. Proline
c. Vitamin B12 ✔️
d. None of these - For acetic acid production the methods followed are
a. Orleans process
b. Rapid process
c. Submerged process
d. All of these ✔️ - For amy lase product ion the m icroorganism required is
a. B. subtilis ✔️
b. S. cereviceae
c. A. nigar
d. None of these - Pectinase is industrially produced from
a. S.cereviceae
b. Trichoderma Koningi
c. A. nigar ✔️
d. None of these - Cellulose are produced from
a. S.cereviceae
b. Trichoderma Koningi ✔️
c. A. nigar
d. None of these - Industrial Production of Vitamin-B12 is from
a. Propionibacterium sps.
b. Pseudomonas sps.
c. Both a and b ✔️
d. None of these - Clostridium acetobutylicum is used for the production of
a. Acetone – Butanol
b. Ethanol ✔️
c. Vitamin-B12
d. None of these - In the production of ethanol industrially the yeast used is
a. K.pneumoniae
b. Kluyreromyces fragilis
c. S. cerevisiae
d. Both b and c ✔️ - Citric acid is used as
a. Flavouring agent in food
b. As an antioxident
c. As preservative
d. All of the above ✔️ - Citric acid is produced in aerob ic conditions by the fungi
a. Aspergillus
b. Penicillin
c. Mucor
d. All of these ✔️ - The raw material for citric acid production is
a. Corn ✔️
b. Molasses
c. Starch
d. None of these - Aspergillus niger is used generally for the production of
a. Ethanol
b. Penicillin
c. Citric acid ✔️
d. Lactic acid - In the citric acid production, the pH to be maintained in the fernmenter is
a. 7.0
b. 5.0 to 6.0 ✔️
c. 8.0 to 9.0
d. 1.0 to 6.0 - The requ ired temperature for the production of citric acid is
a. 10oC – 80oC
b. 30oC – 50oC
c. 20oC – 50oC
d. 25oC – 30oC ✔️ - The penicillin produced in large scale submerged fermentations are
a. Penicillin-A
b. Penicillin-D
c. Penicillin-G ✔️
d. None of these - The strain of fungi used for the large scale production of penicillin is
a. Penicillium chrysogenum ✔️
b. P-notatum
c. Streptomyces Aurecus
d. Saccharomyces sps - 6-amino penicillic acid is prepared from penicillin sps by
a. Acylase
b. Punicillin acylase ✔️
c. Penicillinone
d. None of these - The pH , to be maintained for the production of penicillin is
a. 7.5
b. 6.5 ✔️
c. 8.0
d. 5.0 - During the preparation of aroutine H&E slide, what allows the tissue to be visualized?
A. Fixation
B. Embedding in paraffin
C. Staining ✔️
D. Slicing - Which type of cartilage forms the hammer, anvil and stirrup?
A. Hyaline cartilage
B. Elastic cartilage
C. Fibrocartilage
D. All of the above
E. None of the above ✔️ - Which of the following is an element of the central nervoussystem?
A. Receptors
B. Brachial plexus
C. Sciatic nerve
D. Ganglia
E. Spinal cord ✔️ - What is the limiting membrane of a cell?
A. Plasmalemma ✔️
B. Glycocalyx
C. Protoplasm
D. Cristae - What is the functional unit of the liver?
A. Lobule ✔️
B. Portal triad
C. Central vein
D. Hepatocyte
- Which cell is the most abundant cell in thec epidermis?
A. Langerhans cell
B. Keratinocyte ✔️
C. Melanocyte
D. Merkel cell - Which cells secrete pepsinogen?
A. Parietal cells
B. Oxyntic cells
C. Chief cells ✔️
D. Mucous neck cells
E. Parietal cells and Oxyntic cells - What are the small tunnels seen in bone?
A. Canaliculi ✔️
B. Sharpey’s fibers
C. Trabeculae
D. Tome’s process - Which type of cartilage is the most abundant?
A. Hyaline cartilage ✔️
B. Elastic cartilage
C. Fibrocartilage
D. Hyaline cartilage and elastic cartilage equally - What is the connective tissue covering which surrounds cartilage?
A. Perimysium
B. Periosteum
C. Perichondrium ✔️
D. Perineurium - Which fiber type has a lot of mitochondria?
A. Red fibers ✔️
B. White fibers
C. Intermediate fibers
D. All of the above - Which fiber type is seen in smooth muscle?
A. Red fibers
B. White fibers
C. Internmediate fibers ✔️
D. None of the above - Which cell is a macrophage found in the skin?
A. Kupffer cells
B. Histiocyte
C. Dust cell
D. Langerhans cell ✔️ - What type of tissue lines most of the gastrointestinal tract?
A. Simple squamous epithelium
B. Simple cuboidal epithelium
C. Simple columnar epithelium ✔️
D. Stratified squanmous epithelium - Which of the following is NOT a function of the liver?
A. Conversion of glucose into glycogen
B. Storage of glycogen
C. Storage of bile ✔️
D. Storage of fat soluble vitamins - Which layer of the epidermis has cells which have keratohyaline granules?
A. Stratum basale
B. Stratum spinosum
C. Stratum granulosum ✔️
D. Stratum lucidum - What are the basophilic clusters of ribosomes and rough endoplasmic reticulum seen in neurons called?
A. Ganglion
B. Perikaryon
C. Astrocyte
D. Nissl ✔️ - What is the cell body ofa neuron called?
A. Ganglion
B. Soma ✔️
C. Astrocyte
D. Nissl - Which of the following is composed of smooth muscle?
A. Upper esophagus
B. Heart
C. Tongue
D. Biceps muscle
E. Walls of the visceral organs ✔️ - During the preparation of a routine H&E slide, what allows tha tissue to hold its from?
A. Fixation
B. Embedding in paraffin ✔️
C. Staining
D. Slicin8 - What is a characteristic of the cells in the epidermis of the skin?
A. Microvilli
B. Stereocilia
C. Cilia
D. Keratinizationn ✔️ - What is woven bone?
A. Cancellous bone
B. Compact bone
C. Dense bone
D. Immature bone✔️ - What do you call the space where a chondrocyte sits in?
A. Space of Disse
B. Space of Mall
C. Vacuole
D. Lacuna✔️ - What is the portion of the nail which is underneath skin?
A. Lunula
B. Eponychium
C. Matrix
D. Nail bed
E. Root ✔️ - Which cell is a macrophage found in the central nervous system?
A. Kupffer cells
B. Histiocyte
C. Dust cell
D. Langerhans cell
E. Microglia ✔️ - Which cell is the mature bonecell?
A. Chondrocyte
B. Chondroblast
C. Osteocyte
D. Osteoclast
E. Bone lining cell ✔️ - What type of epithelium appears stratified, but is not?
A. Epithelioid tissuue
B. Mesothelium
C. Endothelium
D. Transitional
E. Pseudostratified ✔️ - Which organelle containsdigestive enzymes?
A. Rough endoplasmic reticulum
B. Smooth endoplasmic reticulum
C. Lysosome ✔️
D. Golgi apparatus - Which structures are part of the portal triad?
A. Portal vein
B. Hepatic artery
C. Central vein
D. Sinusoids
E. Portal vein and Hepatic artery ✔️ - During the preparation ofa routine H&E slide, how is the preserved?
A. Fixation ✔️
B. Embedding in paraffin
C.Staining
D. Slicing
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.
Possible References Used
