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Q: How many hearts do octopuses have? Octopuses have three hearts. Two of the hearts work exclusively to move blood beyond the animal’s gills, while the third keeps circulation flowing for the organs. Three Four Two One A: 1 Q: Octopuses have blue blood. Which element forms the basis of its blood that gives the blue…
Questions: 1. What is the name of the variety of invertebrate marine animals characterised by a hard, spiny covering or skin? 2. Name the part of the spine that is a fibrous cartilage bonding two adjacent vertebrae. In space, this part decompresses, allowing astronauts to grow a little taller – height that they lose once…
Questions: 1. Sound loudness is measured using its power. Specifically, _______ measures the relative difference between one power level and a reference level on a base-10 logarithmic scale. Fill in the blank. 2. The reference level in the question above relates to the threshold of human hearing. In general, this is the minimum level of…
The 2023 physics Nobel Prize has been awarded for attosecond physics | Photo Credit: AP Questions: 1. Attosecond physics deals with light pulses that are emitted for a few attoseconds at a time, no more. By bouncing such pulses off of electrons, scientists practically have a camera that can ‘see’ electrons changing their properties. How…
Q: When did chickens first get domesticated? Domestication probably occurred 7,000-10,000 years ago in Southeast Asia and Oceana. Distribution of Chickens occurred rapidly and was widespread because of their ability to provide meat and eggs without being competitive for human food sources. 4,000 years ago 7,000-10,000 years ago 15,000-12,000 years ago 16,000 years ago A:…
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Sci-Five | The Hindu Science Quiz: On Mathematicians 1 / 5 | Who is often called the “Father of Geometry”? Galileo Galilei Euclid Pythagoras Archimedes Euclid, often called the father of geometry, changed the way we learn about shapes with his 13-book series, Euclid’s Elements. He used basic ideas called axioms or postulates to create…
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This week’s Sci-Five science quiz is on weird animals. Source link
Q: A logic gate is a device that performs a logical operation on the inputs it receives. E.g., the value of 1 OR 0 is 1 and the value of 1 AND 0 is 0. Name the branch of algebra that deals with such combinations and their underlying theory. A: Boolean algebra Q: Very large…
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Image for representational purpose only. | Photo Credit: The Hindu The Science Quiz appears thrice a week in the daily Science page. The page is available to read on all days except Saturday in the epaper. Questions: 1. Which “superfood” is dubbed as “the food of the gods” and was consumed by ancient civilisations for…
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Sci-Five | The Hindu Science Quiz: On Radioactivity 1 / 5 | Who is credited with the discovery of Radioactivity? Michael Faraday Marie Curie Henri Becquerel Pierre Curie The phenomenon of radioactivity was first reported in 1896 by Henri Becquerel for a uranium salt. In 1898, Marie Curie and her husband Pierre Curie discovered two…
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