Organizer: Department of Chemistry, Radhey Hari Government Post Graduate College, Kashipur (US Nagar), Uttarakhand in collaboration with IQAC.
National Science Day commemorates the discovery of the “Raman Effect” by Indian physicist Sir C.V. Raman on February 28, 1928.
About the Quiz
- National Science Day 2025 Online Quiz Competition.
- Theme: “An Awareness of Everyday Science”
- Start Date: February 28
- End Date: March 5, 2025
- Time: Open for 24 hours (IST)
- Platform: Online (Google Forms)
- Registration Fee: FREE
- E-certificates for all participants scoring 40% and above marks.
- Certificates will be sent to your registered email address
- Quiz Format: 30 multiple-choice questions.
- Fill in your details (ensure correct email address for certificate)
- Complete the quiz within the timeframe.
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100% Correct Answers Available Here
Who founded Indian Academy of Science?
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Homi J. Bhabha
Dr. APJ Abul Kalam
Sir Chandrasekhara Venkata Raman
Rajgopal
Who is known as the “Father of Indian Nuclear Programme”?
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Narendra Modi
Homi J. Bhabha
Sir CV Raman
Ashok Das
Who is known as the “Father of the Indian Space Programme”?
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Devendra Lal
Dr. Manmohan Singh
Dr. Vikram Sarabhai
Kalpana chawala
National Science Day is dedicated to?
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Dr. APJ Abul Kalam
Vikram Sarabhai
Sir C.V. Raman
Walter Heitler
In the context of climate change, what is the main cause of the enhanced greenhouse effect?
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Decreased levels of atmospheric carbon dioxide
Increased levels of methane in the atmosphere
Higher levels of ozone depletion
Excessive deforestation in tropical regions
The efficiency of a Carnot engine depends on the temperature difference between the hot and cold reservoirs. What is the relationship between the efficiency (η) and the temperature difference?
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η = T_c / T_h
η = (T_h – T_c) / T_h
η = (T_c – T_h) / T_h
η = T_h / T_c
Which type of radiation is most dangerous to living organisms due to its ability to ionize atoms and molecules?
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Ultraviolet radiation
X-rays
Gamma radiation
Infrared radiation
In the context of genetic mutations, which of the following is a characteristic of a point mutation?
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Insertion of a single nucleotide base
Deletion of a large chromosomal segment
Substitution of a single nucleotide base
Duplication of an entire gene
Which law of thermodynamics states that the entropy of an isolated system always increases over time?
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Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Third law of thermodynamics
What is the main cause of acid rain?
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Emission of sulfur dioxide and nitrogen oxides from industrial activities
Depletion of the ozone layer
Excessive use of fertilizers
High concentrations of carbon dioxide in the atmosphere
Which molecule is responsible for the storage and transfer of genetic information in all living organisms?
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RNA
DNA
Protein
Lipids
What principle does a refrigerator operate on to keep things cool?
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Heat transfer by conduction
Latent heat of fusion
Evaporation and condensation cycles
Convection currents
What is the primary cause of global warming?
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The increase in solar radiation
Changes in Earth’s orbital patterns
The accumulation of greenhouse gases in the atmosphere
Increased volcanic activity
Which of the following statements best describes the Doppler effect?
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The change in frequency of a wave due to the motion of the source or observer
The shift of light towards the red or blue end of the spectrum
The reflection of waves from a surface
The bending of light as it passes through a medium
Which of the following best describes the function of chlorophyll in plants?
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It absorbs light energy for photosynthesis
It catalyzes the reaction of carbon dioxide and water
It stores glucose produced during photosynthesis
It releases oxygen during cellular respiration
Which of the following is the primary reason for the resistance of metals to electrical flow?
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The free movement of electrons
The close packing of atoms
The presence of impurities
The structure of the crystal lattice
In the context of nuclear physics, what is the energy released during a nuclear fission reaction primarily used for?
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To produce electrical power in nuclear reactors
To heat water in power plants
To create stable isotopes for medical use
To propel spacecraft
Which type of electromagnetic radiation has the shortest wavelength?
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Radio waves
Microwaves
X-rays
Gamma rays
In the human body, the liver plays a key role in detoxifying harmful substances. Which organ is responsible for the filtration of blood?
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Heart
Kidney
Lungs
Pancreas
Which of the following is a characteristic of an exothermic reaction?
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It absorbs heat from its surroundings
It releases heat to its surroundings
It involves the breaking of chemical bonds
It occurs spontaneously only at high temperatures
Which of the following describes the process of osmosis?
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Movement of water from an area of high solute concentration to low solute concentration
Movement of solutes across a semi-permeable membrane
Movement of water from an area of low solute concentration to high solute concentration
Active transport of ions across a membrane
What is the main cause of the Earth’s magnetic field?
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The movement of tectonic plates
The Earth’s rotation
The movement of molten iron and nickel in the Earth’s core
The Earth’s orbital motion around the Sun
Which of the following processes is responsible for the formation of clouds?
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Evaporation
Condensation
Precipitation
Sublimation
In the context of nutrition, which macronutrient provides the most energy per gram?
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Proteins
Carbohydrates
Fats
Water
Which of the following methods is commonly used for purifying drinking water in modern systems?
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Filtration
Distillation
Reverse osmosis
All of the above
Which phenomenon occurs when light waves pass from one medium to another and change speed?
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Diffraction
Reflection
Refraction
Dispersion
Which of the following is a key characteristic of a superconductor?
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It has zero electrical resistance at low temperatures
It conducts electricity better than metals at room temperature
It emits light when electricity is applied
It can store energy indefinitely
What type of bond holds the atoms in a molecule of water together?
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Ionic bond
Covalent bond
Hydrogen bond
Metallic bond
Which of the following best describes a “clean” energy source?
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An energy source that does not contribute to air pollution or greenhouse gas emissions
An energy source that can be used indefinitely without depleting it
An energy source that requires minimal infrastructure
An energy source with a low energy conversion efficiency
Which element is the primary component of organic compounds?
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Oxygen
Nitrogen
Hydrogen
Carbon