5001 to 5050 MCQs for Lab Technician and Technologist Exam Preparation
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.
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Questions 5001 to 5050
- The amino acids involved in the synthesis of creatin are
- Arginine, glycine, active methionine✔
- Arginine, alanine, glycine
- Glycine, lysine, methionine
- Arginine, lysine, methionine
- Chemical score of egg proteins is considered to be
- 100✔
- 60
- 50
- 40
- Chemical score of milk proteins is
- 70
- 65✔
- 60
- 40
- Chemical score of proteins of bengal gram is
- 70
- 60
- 44✔
- 42
- Chemical score of protein gelatin is
- 0✔
- 44
- 57
- 60
- Chemical score of protein zein is
- 0
- 57✔
- 60
- 70
- Biological value of egg white protein is
- 94✔
- 83
- 85
- 77
- Net protein utilisation of egg protein is
- 75%
- 80%
- 91%✔
- 72%
- Net protein utilization of milk protein is
- 75%
- 80%
- 86%✔
- 91%
- A limiting amino acid is an essential amino acid
- That is most deficient in proteins✔
- That is most excess in proteins
- That which increases the growth
- That which increases the weight gain
- The limiting amino acid of rice is
- Lysine✔
- Tryptophan
- Phenylalanine
- Tyrosine
- The limiting amino acid of fish proteins is
- Tryptophan✔
- Cysteine
- Lysine
- Threonine
- Pulses are deficient in
- Lysine
- Threonine
- Methionine✔
- Tryptophan
- A trace element deficient in the milk is
- Magnesium
- Copper✔
- Zinc
- Chloride
- A conjugated protein present in the egg yolk is
- Vitellin✔
- Livetin
- Albuminoids
- Ovo-mucoid
- The chief protein of cow’s milk is
- Albumin
- Vitellin
- Livetin
- Casein✔
- A water soluble vitamin deficient in egg is
- Thiamin
- Ribofalvin
- Ascrobic acid✔
- Cobalamin
- Pulses are rich in
- Lysine✔
- Methionine
- Tryptophan
- Phenylalanine
- Milk is deficient in
- Vitamin B1✔
- Vitamin B2
- Sodium
- Potassium
- Milk is deficient in
- Calcium
- Iron✔
- Sodium
- Potassium
- When net protein utilization (NPU) is low, the requirements for proteins are
- High✔
- Moderate
- Low
- Supplementary
- Protein content of human milk is about
- 1.4%✔
- 2.4%
- 3.4%
- 4.4%
- Protein content of cow’s milk is about
- 2.5%
- 3.5%✔
- 4.5%
- 5.5%
- Protein content of soyabean is about
- 30%
- 40%✔
- 50%
- 60%
- Lipid content of egg white is
- 12%
- 33%
- 10–11%
- Traces✔
- The recommended daily allowance (RDA) of proteins for an adult man is
- 70 gms✔
- 50 gms
- 40 gms
- 30 gms
- The basic amino acids are
- Lysine✔
- Bile acids
- Glycine
- Alanine
- The daily caloric requirement for the normal adult female is about
- 1500
- 2100✔
- 2500
- 2900
- In the total proteins, the percentage of albumin is about
- 20–40
- 30–45
- 50–70✔
- 80–90
- In the total proteins percentage of α1 globulin is about
- 0.2–1.2%
- 1.2–2.0%
- 2.4–4.4%✔
- 5.0–10.0%
- In the total proteins the percentage of γ globulin is about
- 2.4–4.4%
- 10.0–21.0%✔
- 6.1–10.1%
- 1.2–2.0%
- Most frequently the normal albumin globulin ratioratio (A : G) is
- 1.0 : 0.8
- 1.5 : 1.0
- 2.0 : 1.0✔
- 2.4 : 1.0
- In Thymol turbidity test the protein involved is mainly
- Albumin
- α1-Globulin
- α2-Globulin
- β Globulin✔
- In quaternary structure, subunits are linked by
- Peptide bonds
- Disulphide bonds
- Covalent bonds
- Non-covalent bonds✔
- Molecular weight of human albumin is about
- 156,000
- 90,000
- 69,000✔
- 54,000
- At isoelectric pH, an amino acid exists as
- Anion
- Cation
- Zwitterion✔
- None of these
- A disulphide bond can be formed between
- Two methionine residues
- Two cysteine residues✔
- A methionine and a cysteine residue
- All of these
- A coagulated protein is
- Insoluble
- Biologically non-functional
- Unfolded
- All of the above✔
- At a pH below the isoelectric point, an amino acid exists as
- Cation✔
- Anion
- Zwitterion
- Undissociated molecule
- An amino acid having a hydrophilic side chain is
- Alanine
- Proline
- Methionine
- Serine✔
- An amino acid that does not take part in α helix formation is
- Histidine
- Tyrosine
- Proline✔
- Tryptophan
- A protein rich in cysteine is
- Collagen
- Keratin✔
- Haemoglobin
- Gelatin
- Primary structure of proteins can be determined by the use of
- Electrophoresis
- Chromatography
- Ninhydrin
- Sanger’s reagent✔
- Electrostatic bonds can be formed between the side chains of
- Alanine and leucine
- Leucine and valine
- Asparate and glutamate
- Lysine and aspartate✔
- Sanger’s reagent contains
- Phenylisothiocyanate
- Dansyl chloride
- 1-Fluoro-2, 4-dinitrobenzene✔
- Ninhydrin
- The most abundant protein in mammals is
- Albumin
- Haemoglobin
- Collagen✔
- Elastin
- Folding of newly synthesized proteins is accelerated by
- Protein disulphide isomerase
- Prolyl cis-trans isomerase
- Chaperonins
- All of these✔
- Primary structure of a protein is formed by
- Hydrogen bonds
- Peptide bonds✔
- Disulphide bonds
- All of these
- α-Helix is formed by
- Hydrogen bonds✔
- Hydrophobic bonds
- Electrostatic bonds
- Disulphide bonds
- Glutelins are present in
- Milk
- Eggs
- Meat
- Cereals✔
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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