General Science Questions Practice Question and Answer
8 Q: In which year did Rudolf Virchow published an essay titled ‘Cellular Pathology’ in which he famously declared that "every cell arises from another cell”?
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644125aa32185cce374b461f- 11865false
- 21835false
- 31845false
- 41855true
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Answer : 4. "1855"
Explanation :
n 1855, at the age of 34, he published his now famous aphorism “omnis cellula e cellula” (“every cell stems from another cell”). With this approach Virchow launched the field of cellular pathology. He stated that all diseases involve changes in normal cells, that is, all pathology ultimately is cellular pathology.
Q: In the format of the IUPAC name of the organic compound, the term ‘Root’ is used to represent:
682 06441276d32185cce374b4bde
6441276d32185cce374b4bde- 1the number of carbon atoms in the parent chaintrue
- 2the presence of side chains or substituent groupsfalse
- 3functional groups that may be present in the compoundfalse
- 4the cyclic or acyclic nature of the given compoundfalse
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Answer : 1. "the number of carbon atoms in the parent chain"
Explanation :
The Word root indicates the total number of carbon atoms present in the longest carbon chain belonging to the compound For example, 'Meth' refers to a chain with 1 carbon atom and 'Pent' refers to a chain with 5 carbon atoms. metalloid in dictionary chemical name is Naoh. Nylon properties: Atomic number of iodine. Dobereiner Traids an Atomic compound.
Q: By what metabolic process in the kitchen can you make food like curd, paneer and sauerkraut?
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644125162d621da116a30840- 1Pasteurisationfalse
- 2Fermentationtrue
- 3Condensationfalse
- 4Steamingfalse
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Answer : 2. "Fermentation"
Explanation :
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.
Q: In 1928, who discovered that when a ray of coloured light enters a liquid, a fraction of the light scattered by that liquid is of a different colour?
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6441226772ca731a9945cf9b- 1SN Bosefalse
- 2Lord Rayleighfalse
- 3CV Ramantrue
- 4John Tyndallfalse
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Answer : 3. "CV Raman"
Explanation :
Sir Chandrasekhara Venkata Raman, discovered on 28 February 1928, that when a beam of coloured light entered a liquid, a fraction of the light scattered was of a different color, dependent on material property. This radiation effect of molecular scattering of light bears the name of ‘Raman Effect’, from which many applications in photonic communications and spectroscopy evolved. The Raman Effect is the process of scattering light particles by molecules of a medium.
Q: A geostationary satellite revolves round the Earth from–
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651fce38b0fa68e1db90441d- 1East to Westfalse
- 2West to Easttrue
- 3North to Southfalse
- 4South to Northfalse
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Answer : 2. "West to East "
Explanation :
Geostationary satellites are located exactly above the Earth’s equator and revolves around the Earth in a circular orbit. Their revolving speed and direction (West to East) are exactly same as that of the Earth, which makes it look stationary from the Earth’s surface.
Q: ISRO launched the world’s first satellite dedicated to education, the EDUSAT in the month of–
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651fcd2143084a0760f4e99f- 1June, 2004false
- 2July, 2004false
- 3August, 2004false
- 4September, 2004true
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Answer : 4. "September, 2004 "
Explanation :
EDUSAT or GSAT-3 is a communications satellite which was launched on 20th September, 2004 by the Indian Space Research Organisation. EDUSAT is the first Indian satellite built exclusively to serve the educational sector. It has revolutionised classroom teaching through IP based technology
Q: ‘PCB’ stands for–
501 0651fcc49e1bf7bf087f49d70
651fcc49e1bf7bf087f49d70- 1Programme Control Blockfalse
- 2Process Control Blocktrue
- 3Process Communication Blockfalse
- 4None of the abovefalse
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Answer : 2. "Process Control Block "
Explanation :
Process Control Block (PCB, also called Task Controlling Block, Task Structure or Switchframe) is a data structure in the Operating System kernel containing the information needed to manage a particular process.The PCB is the manifestation of a process in an Operating System.
Q: The National Chemical Laboratory is situated in–
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651fcb13e1bf7bf087f49c1a- 1New Delhifalse
- 2Bengalurufalse
- 3Punetrue
- 4Patnafalse
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Answer : 3. "Pune "
Explanation :
The National Chemical Laboratory (NCL) is an ~ Indian Government laboratory based in Pune, popularly known as NCL, a constituent member of the Council of Scientific and Industrial Research (CSIR) India, it was established in 1950