Medical Entrance

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Q. What is the main product of the reaction between an acid and a base? (2019)
  • A. Salt
  • B. Water
  • C. Hydrogen gas
  • D. Carbon dioxide
Q. What is the main product of the reaction of 1-bromo-2-methylpropane with KOH in ethanol? (2020)
  • A. 2-methylpropene
  • B. 2-methylpropan-1-ol
  • C. 1-bromo-2-methylpropane
  • D. 2-bromo-2-methylpropane
Q. What is the main product of the thermal decomposition of ammonium dichromate? (2023)
  • A. Cr2O3
  • B. CrO3
  • C. Cr
  • D. NH3
Q. What is the main product when 1-bromopropane is treated with alcoholic KOH? (2021)
  • A. Propene
  • B. 1-propanol
  • C. 2-propanol
  • D. Bromopropane
Q. What is the main product when 1-bromopropane is treated with magnesium in dry ether? (2019)
  • A. Propane
  • B. Grignard reagent
  • C. Bromopropane
  • D. Propyl alcohol
Q. What is the main product when 1-chloropropane is treated with alcoholic KOH? (2019)
  • A. Propene
  • B. Propan-1-ol
  • C. Propan-2-ol
  • D. Chloropropane
Q. What is the main product when 1-chloropropane is treated with excess alcoholic KOH? (2020)
  • A. Propene
  • B. 1-Propanol
  • C. 2-Propanol
  • D. Chloropropane
Q. What is the main product when aluminum reacts with hydrochloric acid? (2023)
  • A. AlCl3
  • B. H2
  • C. Al(OH)3
  • D. Al2Cl6
Q. What is the main product when an aldehyde is treated with sodium bisulfite? (2019)
  • A. Aldol
  • B. Bisulfite adduct
  • C. Hydrocarbon
  • D. Alcohol
Q. What is the main product when an amine reacts with a carbonyl compound? (2019)
  • A. Amide
  • B. Alcohol
  • C. Aldehyde
  • D. Ketone
Q. What is the main product when an amine reacts with a haloalkane? (2019)
  • A. Amide
  • B. Quaternary ammonium salt
  • C. Alcohol
  • D. Ester
Q. What is the main product when ethene reacts with water in the presence of an acid? (2023)
  • A. Ethanol
  • B. Ethane
  • C. Acetic acid
  • D. Ethylene glycol
Q. What is the main product when hydrogen reacts with oxygen? (2019)
  • A. Water
  • B. Hydrogen peroxide
  • C. Ozone
  • D. Hydroxide
Q. What is the main product when propan-2-one is treated with sodium borohydride? (2023)
  • A. Propan-1-ol
  • B. Propan-2-ol
  • C. Propan-3-ol
  • D. No reaction
Q. What is the main product when propanal is treated with sodium bisulfite? (2019)
  • A. Sodium propanoate
  • B. Propyl sulfonate
  • C. Propane-1,2-diol
  • D. A bisulfite adduct
Q. What is the main purpose of a choke in an AC circuit? (2022)
  • A. To increase current
  • B. To decrease current
  • C. To store energy
  • D. To convert AC to DC
Q. What is the main purpose of a Punnett square? (2020)
  • A. To determine the phenotype
  • B. To predict genetic variation
  • C. To identify alleles
  • D. To analyze pedigrees
Q. What is the main purpose of amniotic fluid? (2022)
  • A. Protection of the fetus
  • B. Nourishment of the fetus
  • C. Gas exchange
  • D. Hormonal regulation
Q. What is the main purpose of classification in biology? (2019)
  • A. To identify organisms
  • B. To understand evolutionary relationships
  • C. To simplify the study of organisms
  • D. All of the above
Q. What is the main purpose of family planning? (2021)
  • A. To increase population growth
  • B. To allow couples to decide the number and spacing of children
  • C. To promote early childbirth
  • D. To discourage contraceptive use
Q. What is the main purpose of reproduction in organisms? (2020)
  • A. To maintain homeostasis
  • B. To produce energy
  • C. To ensure species survival
  • D. To grow and develop
Q. What is the main purpose of respiration in plants? (2023)
  • A. To produce glucose
  • B. To release energy
  • C. To absorb water
  • D. To synthesize proteins
Q. What is the main purpose of sexual reproduction? (2020)
  • A. To produce more offspring
  • B. To create genetic diversity
  • C. To ensure survival of the species
  • D. To reduce competition
Q. What is the main purpose of the acrosome in sperm? (2022)
  • A. To provide energy
  • B. To penetrate the egg
  • C. To store genetic material
  • D. To aid in motility
Q. What is the main purpose of the amniotic fluid? (2023)
  • A. Protection of the fetus
  • B. Nourishment of the fetus
  • C. Gas exchange
  • D. Hormonal regulation
Q. What is the main purpose of the G1 phase in the cell cycle? (2022)
  • A. DNA replication
  • B. Cell growth and preparation for DNA synthesis
  • C. Chromosome separation
  • D. Cell division
Q. What is the main purpose of the menstrual cycle? (2023)
  • A. To prepare the body for pregnancy
  • B. To produce sperm
  • C. To regulate hormone levels
  • D. To eliminate waste
Q. What is the main purpose of the S phase in the cell cycle? (2022)
  • A. Cell growth
  • B. DNA replication
  • C. Cell division
  • D. Protein synthesis
Q. What is the main purpose of using biopesticides in agriculture? (2023)
  • A. Increase crop yield
  • B. Reduce chemical pesticide use
  • C. Enhance soil fertility
  • D. Improve water retention
Q. What is the main purpose of using bioreactors in biotechnology? (2023)
  • A. To produce energy
  • B. To grow microorganisms or cells
  • C. To purify proteins
  • D. To store genetic material
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