General science - Multiple Choice Questions (MCQs) – Page 1

Explore a wide range of General science - Multiple Choice Questions (MCQs) on QuizLake. Prepare for UPSC, State PSCs, SSC, Banking, and other government exams with our extensive collection of MCQs.

Tags

AgricultureAncient Indian HistoryAptitude & ReasoningArt and CultureCensusComputersCurrent AffairsCurrent Affairs (April-June 2025)Current Affairs (January-March 2025)EconomyEnvironment & EcologyGeneral KnowledgeGeneral scienceIndia and World GeographyIndian EconomyIndian GeographyIndian PolityMedieval HistoryMiscModern Indian HistoryPhysical GeographyUPPSC Prelims 2025 Mock Test SeriesUP SpecialUttrakhand SpecialWorld Geography

Recent MCQs

Corrosion is a process that primarily affects which of the following materials?

  1. Polymers
  2. Ceramics
  3. Metals
  4. Glass
General science

Which of the following is the correct sequence of energy transformations in a hydroelectric power plant?

  1. Chemical Energy -> Electrical Energy -> Kinetic Energy
  2. Potential Energy -> Kinetic Energy -> Electrical Energy
  3. Kinetic Energy -> Potential Energy -> Chemical Energy
  4. Electrical Energy -> Kinetic Energy -> Potential Energy
General science

Which of the following is an example of a GMO (Genetically Modified Organism)?

  1. A naturally occurring wild plant species
  2. A hybrid plant produced through traditional breeding
  3. A plant with genes from another species introduced through genetic engineering
  4. An organic farm
General science

What is the Doppler effect?

  1. The bending of light around obstacles
  2. The change in frequency of a wave in relation to an observer who is moving relative to the wave source
  3. The splitting of white light into its constituent colors
  4. The interference of two light waves
General science

What does the pH scale measure?

  1. Temperature
  2. Acidity or alkalinity
  3. Density
  4. Volume
General science

What is the role of chlorophyll in plants?

  1. Transporting water
  2. Absorbing sunlight for photosynthesis
  3. Providing structural support
  4. Protecting the plant from pests
General science

Which of the following is NOT a characteristic of metals?

  1. Malleability
  2. Ductility
  3. Brittleness
  4. Good conductors of electricity
General science

What is the primary purpose of vaccination?

  1. To cure an existing disease
  2. To provide temporary relief from symptoms
  3. To prevent a disease by stimulating the immune system
  4. To kill pathogens directly
General science

Which of the following best describes the function of SONAR?

  1. Measuring atmospheric pressure
  2. Determining the pH of a solution
  3. Detecting objects underwater using sound waves
  4. Analyzing the composition of chemical compounds
General science

According to Newton's First Law of Motion, an object will remain at rest or in uniform motion unless acted upon by a:

  1. Balanced force
  2. Frictional force
  3. Unbalanced force
  4. Gravitational force
General science

What is the function of a transformer?

  1. To convert chemical energy to electrical energy
  2. To step up or step down voltage
  3. To convert mechanical energy to electrical energy
  4. To store electrical energy
General science

Which part of the human eye controls the amount of light entering?

  1. Lens
  2. Retina
  3. Pupil
  4. Cornea
General science

What type of chemical reaction involves the transfer of electrons between reactants?

  1. Combination reaction
  2. Decomposition reaction
  3. Redox reaction
  4. Neutralization reaction
General science

Which of the following chemical formulas represents an alcohol?

  1. CH3COOH
  2. C6H12O6
  3. CH3CH2OH
  4. NaCl
General science

What is the primary function of the circulatory system?

  1. Digestion of food
  2. Exchange of gases
  3. Transport of nutrients and oxygen
  4. Removal of waste products
General science

Which of Mendel's laws states that allele pairs separate independently during gamete formation?

  1. Law of Dominance
  2. Law of Segregation
  3. Law of Independent Assortment
  4. Law of Unit Characters
General science

Which of the following is an example of a communicable disease?

  1. Diabetes
  2. Cancer
  3. Tuberculosis
  4. Heart disease
General science

What is the primary function of mitochondria in a cell?

  1. Protein synthesis
  2. Energy production (ATP)
  3. Storage of genetic material
  4. Cellular digestion
General science

Which of the following is NOT a method of heat transfer?

  1. Conduction
  2. Convection
  3. Radiation
  4. Osmosis
General science

Which of the following phenomena demonstrates the principle of reflection of light?

  1. Formation of a rainbow
  2. Working of a lens
  3. Image formation in a mirror
  4. Dispersion of light through a prism
General science

The half-life of a radioactive substance is 4 months. How much time it will take to decay 3/4th of the substance ?

  1. 12 months
  2. 8 months
  3. 4 months
  4. 3 months
General science

Which of the following is used as an immuno suppressor for kidney transplantation ?

  1. Antibiotics
  2. Vaccines
  3. Interferon
  4. Monoclonal antibodies
General science

The hybridoma technique was developed by whom ?

  1. Louis Pasteur
  2. George Kohler and César Milstein
  3. Edward Jenner
  4. Burnet
General science

Which of the following is the first human hormone produced by recombinant DNA technology ?

  1. Estrogen
  2. Testosterone
  3. Insulin
  4. Thyroxine
General science