Archive For The “Science” Category

SSC CGL Mock Test 6 (English)

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SSC CGL Mock Test 5 (English)

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Pure white light from Zinc [Current Affairs for IAS Exams – 11 February 2018]

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Now, pure white light can be produced using zinc, which is usually used to protect iron from rusting and in making brass. The most commonly used method of producing white light is by mixing three primary colour–emitting phosphors in a proportionate composition. The existing methods of white-light production are energy-intensive and involve a long process….

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Reasons for same-sex behavior in Pigeons [Current Affairs for IAS Exams – 11 February 2018]

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It’s all about making the best of a bad job: if there is a paucity of males, female rock pigeons can form long-lasting, same-sex relationships to bring up their chicks, find scientists. Such female pairs fare no differently than female–male pairs, and better than single females, in bringing up their brood. Numerous records of same-sex…

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Immigration in Biology [Current Affairs for IAS Exams – 11 February 2018]

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Potential Biomarker for Alzheimer’s disease [Current Affairs for IAS Exams – 11 February 2018]

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Researchers at Bengaluru’s Indian Institute of Science (IISc) have identified a potential biomarker for Alzheimer’s disease. The biomarker shows up very early in the disease process and well before clinical and even pathological manifestation of the disease. They also found that it is possible to reverse the disease process if identified early. Loss of dendritic…

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Stilt roots are found in……

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1. Stilt roots develop from the basal nodes of the main stem. 2. They are comparatively short. 3. The roots develop obliquely at an angle to the stem. 4. Stilt roots provide support like ropes of a tent or pole. 5. Young stilt roots are non-hygroscopic. 6. Stilt roots are comparatively little thick or massive….

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Which is largest group of animals?

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The answer could be arthropoda: it is the most successful group of animals. Within phylum ARTHROPODA, largest class is INSECTA (=hexapoda). The answer to the above question: D

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Read all about “Mammals”

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Mammals are any vertebrates within the class Mammalia , a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands. Females of all mammal species nurse their young with milk, secreted from the mammary glands. Mammals include…

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Match the following table

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Chlamydomonas is a genus of green algae consisting of unicellular flagellates, found in stagnant water and on damp soil, in freshwater, seawater, and even in snow as “snow algae”. Cycas is the type genus (Gymnosperm) and the only genus recognised in the family Cycadaceae. About 113 species are accepted. Cycas circinalis, a species endemic to…

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Classification of Algae

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The answer to the above question : B Algae are basically classified with the pigments like Green algae , blue algae etc.  

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