Medical Science

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Q. Which of the following is NOT a typical component of plant tissue culture media?
  • A. Mineral salts
  • B. Vitamins
  • C. Antibiotics
  • D. Proteins
Q. Which of the following is NOT a use of vinegar in cooking?
  • A. Marinades
  • B. Pickling
  • C. Baking soda neutralization
  • D. Thickening agent
Q. Which of the following is required to initiate DNA replication?
  • A. RNA primer
  • B. DNA ligase
  • C. DNA helicase
  • D. DNA polymerase
Q. Which of the following items can be sterilized using dry heat?
  • A. Plastic syringes
  • B. Glassware
  • C. Rubber gloves
  • D. Surgical drapes
Q. Which of the following macromolecules can act as enzymes?
  • A. Carbohydrates
  • B. Lipids
  • C. Proteins
  • D. Nucleic acids
Q. Which of the following modifications can occur to mRNA before it is translated?
  • A. 5' capping
  • B. 3' polyadenylation
  • C. RNA splicing
  • D. All of the above
Q. Which of the following muscles is innervated by the median nerve?
  • A. Flexor carpi ulnaris
  • B. Flexor digitorum profundus
  • C. Flexor carpi radialis
  • D. Brachioradialis
Q. Which of the following mutations can lead to a change in the amino acid sequence?
  • A. Silent mutation
  • B. Missense mutation
  • C. Nonsense mutation
  • D. All of the above
Q. Which of the following nucleotides is NOT found in RNA?
  • A. Adenine
  • B. Cytosine
  • C. Thymine
  • D. Uracil
Q. Which of the following organs is located in the retroperitoneal space?
  • A. Liver
  • B. Pancreas
  • C. Stomach
  • D. Spleen
Q. Which of the following practices can help reduce water pollution?
  • A. Using pesticides excessively
  • B. Properly disposing of hazardous waste
  • C. Dumping chemicals in rivers
  • D. Overusing fertilizers
Q. Which of the following processes occurs after transcription in eukaryotic cells?
  • A. Translation
  • B. Replication
  • C. RNA splicing
  • D. DNA repair
Q. Which of the following protozoa is known to cause malaria?
  • A. Entamoeba histolytica
  • B. Plasmodium falciparum
  • C. Trypanosoma brucei
  • D. Toxoplasma gondii
Q. Which of the following routes of administration typically results in the highest bioavailability?
  • A. Intravenous
  • B. Oral
  • C. Intramuscular
  • D. Subcutaneous
Q. Which of the following statements about DNA replication is true?
  • A. It is a conservative process
  • B. It is a semi-conservative process
  • C. It is a dispersive process
  • D. It occurs only in prokaryotes
Q. Which of the following statements about enzyme inhibitors is true?
  • A. They always permanently inactivate enzymes.
  • B. They can be reversible or irreversible.
  • C. They only affect allosteric enzymes.
  • D. They increase the rate of reaction.
Q. Which of the following statements about enzymes is true?
  • A. Enzymes can work on any substrate
  • B. Enzymes are specific to their substrates
  • C. Enzymes do not require cofactors
  • D. Enzymes are only found in humans
Q. Which of the following statements about oxidative phosphorylation is true?
  • A. It occurs in the cytoplasm
  • B. It requires oxygen
  • C. It produces lactic acid
  • D. It is independent of the electron transport chain
Q. Which of the following structures is NOT part of the gastrointestinal tract?
  • A. Esophagus
  • B. Stomach
  • C. Pancreas
  • D. Large intestine
Q. Which of the following structures is NOT part of the pelvic cavity?
  • A. Bladder
  • B. Rectum
  • C. Uterus
  • D. Stomach
Q. Which of the following techniques is commonly used to analyze chromosomes?
  • A. PCR
  • B. Karyotyping
  • C. Gel electrophoresis
  • D. Western blotting
Q. Which of the following techniques is commonly used to determine the sequence of amino acids in a peptide?
  • A. Nuclear magnetic resonance (NMR)
  • B. Mass spectrometry
  • C. X-ray crystallography
  • D. Electrophoresis
Q. Which of the following techniques is used to introduce recombinant DNA into host cells?
  • A. Electroporation
  • B. PCR
  • C. Gel electrophoresis
  • D. Western blotting
Q. Which of the following traits can be introduced into transgenic plants?
  • A. Herbicide resistance
  • B. Increased susceptibility to diseases
  • C. Reduced growth rate
  • D. Lower nutritional content
Q. Which of the following traits is often targeted for improvement through plant breeding?
  • A. Disease resistance
  • B. Nutritional content
  • C. Drought tolerance
  • D. All of the above
Q. Which of the following treatments is commonly used for HIV infection?
  • A. Antibiotics
  • B. Antiretroviral therapy
  • C. Vaccines
  • D. Corticosteroids
Q. Which of the following tumors is classified as a sarcoma?
  • A. Adenocarcinoma
  • B. Osteosarcoma
  • C. Basal cell carcinoma
  • D. Melanoma
Q. Which of the following vectors can carry the largest DNA inserts?
  • A. Plasmid vectors
  • B. Viral vectors
  • C. Bacterial artificial chromosomes
  • D. Cosmids
Q. Which of the following viruses is associated with the development of cervical cancer?
  • A. Hepatitis B virus
  • B. Human papillomavirus (HPV)
  • C. Cytomegalovirus
  • D. Epstein-Barr virus
Q. Which of the following viruses is known for causing severe acute respiratory syndrome (SARS)?
  • A. Influenza virus
  • B. SARS-CoV
  • C. MERS-CoV
  • D. Hantavirus
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