General Knowledge

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Q. What is the primary function of the mitochondria? (2020)
  • A. Photosynthesis
  • B. Cellular respiration
  • C. Protein synthesis
  • D. DNA replication
Q. What is the primary function of the respiratory system in the human body? (2021)
  • A. To circulate blood
  • B. To exchange gases
  • C. To digest food
  • D. To regulate temperature
Q. What is the primary function of the ribosomes in a cell? (2021)
  • A. Energy production
  • B. Protein synthesis
  • C. DNA replication
  • D. Cell division
Q. What is the primary gas responsible for the greenhouse effect? (2023)
  • A. Oxygen
  • B. Nitrogen
  • C. Carbon Dioxide
  • D. Hydrogen
Q. What is the primary method used to study the Earth's interior? (2023)
  • A. Seismic waves
  • B. Magnetic field analysis
  • C. Gravitational studies
  • D. Satellite imagery
Q. What is the primary objective of the Pradhan Mantri Awas Yojana (PMAY)? (2022)
  • A. To provide free education to all children
  • B. To ensure housing for all by 2022
  • C. To promote digital literacy
  • D. To enhance agricultural productivity
Q. What is the primary product of the complete combustion of propane (C3H8)? (2020)
  • A. Carbon monoxide
  • B. Water
  • C. Carbon dioxide
  • D. Hydrogen
Q. What is the primary product when an acid reacts with a metal carbonate?
  • A. Salt
  • B. Water
  • C. Carbon dioxide
  • D. All of the above
Q. What is the primary product when sodium bicarbonate reacts with hydrochloric acid?
  • A. Sodium chloride
  • B. Carbon dioxide
  • C. Water
  • D. All of the above
Q. What is the primary reason for the Earth's magnetic field? (2020)
  • A. Movement of the crust
  • B. Flow of molten iron in the outer core
  • C. Solar winds
  • D. Tectonic activity
Q. What is the primary reason for the movement of tectonic plates?
  • A. Gravity
  • B. Convection currents
  • C. Magnetic forces
  • D. Centrifugal force
Q. What is the primary reason for the occurrence of seasons on Earth? (2022)
  • A. Distance from the Sun
  • B. Tilt of the Earth's axis
  • C. Revolution around the Sun
  • D. Rotation of the Earth
Q. What is the primary reason that gases fill their containers? (2023)
  • A. High density
  • B. Low density
  • C. High kinetic energy
  • D. Low kinetic energy
Q. What is the primary role of chloroplasts in plant cells?
  • A. Energy production
  • B. Photosynthesis
  • C. Cell division
  • D. Respiration
Q. What is the primary role of red blood cells?
  • A. To fight infections
  • B. To transport oxygen
  • C. To clot blood
  • D. To produce hormones
Q. What is the primary role of xylem in plants? (2022)
  • A. Transport of nutrients
  • B. Transport of water
  • C. Photosynthesis
  • D. Storage of food
Q. What is the primary source of energy for the Earth's climate system?
  • A. The Moon
  • B. The Sun
  • C. Geothermal energy
  • D. Nuclear energy
Q. What is the primary source of energy in a balanced diet?
  • A. Proteins
  • B. Carbohydrates
  • C. Fats
  • D. Vitamins
Q. What is the primary state of matter in the Earth's outer core? (2019)
  • A. Solid
  • B. Liquid
  • C. Gas
  • D. Plasma
Q. What is the primary state of matter that has a definite shape and volume?
  • A. Gas
  • B. Liquid
  • C. Solid
  • D. Plasma
Q. What is the primary use of aluminum in construction?
  • A. Electrical wiring
  • B. Structural components
  • C. Piping
  • D. Insulation
Q. What is the probability of a person being diagnosed with a disease if the prevalence of the disease in a population is 2% and the test for the disease has a sensitivity of 90% and a specificity of 95%? (2021)
  • A. 0.018
  • B. 0.020
  • C. 0.090
  • D. 0.095
Q. What is the probability of a person being infected with a disease if the prevalence of the disease in a population is 2%? (2021)
  • A. 0.02
  • B. 0.5
  • C. 0.1
  • D. 0.03
Q. What is the probability of rolling a sum of 7 with two six-sided dice? (2022)
  • A. 1/6
  • B. 1/12
  • C. 1/36
  • D. 5/36
Q. What is the process by which plants lose water vapor called? (2019)
  • A. Transpiration
  • B. Evaporation
  • C. Condensation
  • D. Photosynthesis
Q. What is the process by which plants lose water vapor through small openings in their leaves called? (2019)
  • A. Transpiration
  • B. Evaporation
  • C. Condensation
  • D. Photosynthesis
Q. What is the process by which plants lose water vapor to the atmosphere?
  • A. Transpiration
  • B. Evaporation
  • C. Condensation
  • D. Precipitation
Q. What is the product of the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? (2022)
  • A. Sodium chloride and water
  • B. Sodium chloride and hydrogen
  • C. Hydrogen and oxygen
  • D. Sodium and water
Q. What is the product of the reaction between hydrochloric acid and sodium bicarbonate? (2022)
  • A. Sodium chloride
  • B. Carbon dioxide
  • C. Water
  • D. All of the above
Q. What is the product of the reaction between sodium (Na) and chlorine (Cl2)? (2019)
  • A. NaCl
  • B. NaCl2
  • C. Na2Cl
  • D. Na2Cl2
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