Practice Science and technology Questions and Answers

• The ratio of sine of the angle of incidence to the sine of the angle of refraction is a constant for a given colour and for the given pair of media. Which ...
• What is the SI unit of weight?
• The number of ______ is equal to the difference between the mass number of the atom and the atomic number.
• Which of the following gases is used as reference to calculate "Global Warming Potential (GWP)"?
• Which of the following organisations launched a special programme called 'Young Scientist Programme ?'
• In which part of the body is cornea and the retina found?
• What is the other name for conventional source of energy?
• For domestic wiring purposes, how are circuits connected?
• How does a bulb glow when the switch is turned on?
• Rustom-2 is a/an __________ developed by India's Defence Research and Development Organisation (DRDO).
• In which of the following cities has ISRO launched Human Space Flight Centre in 2019?
• Who discovered infrared rays?
• Why are mud houses more thermally comfortable than brick houses?
• Which instrument is commonly used to measure the depth of water bodies?
• Who predicted the existence of the plunging region around black holes?
• Rifting typically occurs at which type of tectonic boundary?
• What is the scientific name of rice? 
• Who discovered Penicillin?
• A fluorescent tube is a type of gas discharge lamp that uses which gas to produce visible light?
• Identify the vitamin known as Phylloquinone that assists in blood coagulation and is found in vegetables like cauliflower and spinach:
• The Earth rotates on its axis from ____ to ____.
• The force responsible for the moon's orbit around the Earth is:
• What defines a 'Superbug'?
• What does 'Hoar Frost' directly convert from?
• What is the scientific name of the common pigeon?
• Which set only includes biodegradable items?
• Where is the gravitational field of Earth the strongest?
• What is the Fahrenheit equivalent of 600°C?
• What type of cloud formation results when airplanes fly through banks of altocumulus clouds?
• Which substance is used to enhance x-ray and CT images?
• What is the wavelength range of the visible spectrum?
• Which company launched the inaugural batch of satellites with "Direct-to-Cell" technology?
• Which of the following statements about asteroids is INCORRECT? (I) Total mass of all the asteroids in the main asteroid belt combined is more than that of...
• Through which launch vehicle did ISRO deploy an Earth Observation Satellite in August 2024?
• What is the dominant component of Earth's atmosphere?
• Which statement is incorrect regarding the atmospheric layers and their characteristics?
• What is the shape of the Milky Way galaxy?
• Where did the infamous Black Hole Tragedy occur?
• Why do pulsars appear to flicker when observed from Earth?
• Which element is most abundant by mass in the earth's crust?