Q. What is the ionization energy of hydrogen in eV? (2019)
  • A. 1.51 eV
  • B. 13.6 eV
  • C. 3.4 eV
  • D. 10.2 eV
Q. What is the IUPAC name for CH3-CH2-CH2-CHO? (2020)
  • A. Butanal
  • B. Propanal
  • C. Pentanal
  • D. Hexanal
Q. What is the IUPAC name for CH3-CH2-CH2-COOH? (2020)
  • A. Butanoic acid
  • B. Propanoic acid
  • C. Pentanoic acid
  • D. Hexanoic acid
Q. What is the IUPAC name for CH3CH2COOH? (2021)
  • A. Propanoic acid
  • B. Butanoic acid
  • C. Acetic acid
  • D. Formic acid
Q. What is the IUPAC name of the carboxylic acid with the formula C3H6O2? (2023)
  • A. Propanoic acid
  • B. Butanoic acid
  • C. Acetic acid
  • D. Formic acid
Q. What is the jelly-like substance inside the cell called? (2018)
  • A. Nucleoplasm
  • B. Cytoplasm
  • C. Protoplasm
  • D. Chloroplast
Q. What is the least count of a standard vernier caliper? (2021)
  • A. 0.01 cm
  • B. 0.1 cm
  • C. 1 cm
  • D. 0.001 cm
Q. What is the least count of a vernier caliper that can measure up to 0.01 cm? (2021)
  • A. 0.1 cm
  • B. 0.01 cm
  • C. 0.001 cm
  • D. 1 cm
Q. What is the magnetic field inside a toroidal solenoid? (2023)
  • A. Zero
  • B. Uniform and non-zero
  • C. Varies with position
  • D. Depends on the current only
Q. What is the magnetic field strength at a distance 'r' from a long straight conductor carrying current 'I'? (2020)
  • A. μ₀I/2πr
  • B. μ₀I/4πr
  • C. 2μ₀I/πr
  • D. μ₀I/πr
Q. What is the magnetic moment of a circular loop of radius r carrying a current I? (2021)
  • A. πr²I
  • B. 2πrI
  • C. Ir²
  • D. πrI
Q. What is the magnification produced by a concave mirror if the object distance is 10 cm and the image distance is 5 cm? (2019)
  • A. 0.5
  • B. 1
  • C. 2
  • D. 3
Q. What is the magnification produced by a concave mirror when the object is placed at the focus? (2019)
  • A. 1
  • B. 0
  • C. Infinity
  • D. Less than 1
Q. What is the main advantage of asexual reproduction? (2023)
  • A. Genetic diversity
  • B. Faster population growth
  • C. Requires two parents
  • D. Involves gametes
Q. What is the main advantage of sexual reproduction? (2023)
  • A. Faster reproduction
  • B. Genetic variation
  • C. Less energy required
  • D. No need for a mate
Q. What is the main advantage of using biopesticides? (2022)
  • A. They are more effective than chemical pesticides
  • B. They are environmentally friendly
  • C. They are cheaper to produce
  • D. They have a longer shelf life
Q. What is the main advantage of using CRISPR technology in genetic engineering? (2021)
  • A. High precision
  • B. Low cost
  • C. Speed of modification
  • D. All of the above
Q. What is the main advantage of using genetically modified organisms (GMOs) in agriculture? (2021)
  • A. Higher nutritional value
  • B. Increased resistance to diseases
  • C. Lower production costs
  • D. All of the above
Q. What is the main advantage of using genetically modified organisms (GMOs) in food production? (2020)
  • A. Higher prices
  • B. Longer shelf life
  • C. Increased labor costs
  • D. More complex farming techniques
Q. What is the main advantage of using genetically modified organisms in food production? (2021)
  • A. Longer shelf life
  • B. Higher nutritional value
  • C. Resistance to pests and diseases
  • D. All of the above
Q. What is the main advantage of using hormonal contraceptives? (2023)
  • A. They are 100% effective
  • B. They can regulate menstrual cycles
  • C. They are inexpensive
  • D. They require no medical consultation
Q. What is the main advantage of using transgenic animals in research? (2021)
  • A. Increased lifespan
  • B. Disease modeling
  • C. Higher reproduction rate
  • D. Better growth rate
Q. What is the main advantage of using transgenic plants? (2022)
  • A. Higher nutritional value
  • B. Increased growth rate
  • C. Resistance to herbicides
  • D. Faster reproduction
Q. What is the main advantage of using yeast as a host for cloning? (2023)
  • A. High growth rate
  • B. Eukaryotic post-translational modifications
  • C. Simple genome
  • D. Low cost
Q. What is the main application of CRISPR technology? (2023)
  • A. Gene therapy
  • B. Gene editing
  • C. DNA sequencing
  • D. Protein synthesis
Q. What is the main assumption of the quantum mechanical model of the atom? (2023)
  • A. Electrons are in fixed orbits
  • B. Electrons have wave-like properties
  • C. Electrons are stationary
  • D. Electrons have no mass
Q. What is the main benefit of using genetically modified crops? (2023)
  • A. Higher cost of production
  • B. Increased resistance to pests
  • C. Decreased yield
  • D. Longer growth periods
Q. What is the main carbohydrate found in the human diet? (2023)
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Fructose
Q. What is the main cause of tuberculosis? (2019)
  • A. Bacterial infection
  • B. Viral infection
  • C. Fungal infection
  • D. Parasitic infection
Q. What is the main characteristic of a molecular solid? (2021)
  • A. High melting point
  • B. Low melting point
  • C. Good electrical conductivity
  • D. High density
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