GK INFOPEDIA

[1] Which organ of the body never rests? A. Muscles B. Nerves C. Tongue D. Heart Ans: Heart Explanation : Heart is the only organ in the body which never rest throughout the entire life. The heart is a hollow muscle that pumps blood throughout the blood vessels by repeated, rhythmic contractions. It is found […]

[1] The oilseed which is not edible – A. Sunflower B. Cottonseed C. Sesamurn D. Groundnut Ans: Cottonseed Explanation : Cottonseed is a non-edible oilseed. Gossypol is a. toxic compound found in the cotton plant. This compound is concentrated in the cottonseed but can also be found in other parts of the plant such as […]

[1] The end product of the digestion of starch in the alimentary canal is — A. glucose B. galactose C. maltose D. isomaltose Ans: glucose Explanation : Starch or amylum is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. Sugar from molasses or sugarcane, fruits or starch is first […]

[1] Which one of the following forms the base of vegetable fibres? A. Cellulose B. Proteins C. Fats D. Oils Ans: Cellulose Explanation : The principal chemical component of vegetable fibers is cellulose, with varying amounts of lignin and hemicelluloses also usually present; thus, the fibers are also referred to as cellulosic or lignocellul osic. […]

[1] Which one of the following is a hereditary disease? A. Cataract B. Haemophilia C. Pellagra D. Osteoporosis Ans: Haemophilia Explanation : Haemophilia is a mostly inherited genetic disorder that impairs the body’s ability to make blood clots, a process needed to stop bleeding. [2] Eyes of potato are useful for – A. Nutrition B. […]

[1] Which of the following mammals lay eggs? A. Bat B. Whale C. Weasel D. Platypus Ans: Platypus Explanation : The platypus, also known as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant species of […]

[1] Which one of the following is commonly known as Pond Silk? A. Spirogyra B. Rhizopus C. Yeast D. Ulothrix Ans: Spirogyra Explanation : Pond silk is the common name of Spirogyra (algae) because it is very slimy in shape. It is also known as pond silk, water silk, pond scum or mermaid’s trees because […]

[1] Excretion in Hemichordates takes place by – A. Glomerulus B. Pronephron C. Mesortephron D. Metanephron Ans: Glomerulus Explanation : The glomerulus functions as an excretory organ in hemichordates. Soluble wastes are collected from the blood by the glomerulus, lying within the proboscis cavity, and excreted from that cavity through a dorsal pore (an opening […]

[1] Webbed neck is a characteristic of – A. Down’s syndrome B. Turner’s syndrome C. Klinefelter’s syndrome D. Cri-du-chat syndrome Ans: Turner’s syndrome Explanation : A webbed neck, or pterygium colli deformity, is a congenital skin fold that runs along the sides of the neck down to the shouldersit is a feature of Turner syndrome […]

[1] Carolus Linnaeus System of classification is – A. Natural B. Artificial C. Binomial D. Phylogenetic Ans: Binomial Explanation : Swedish naturalist Carl Linnaeus established the binomial system of naming living organisms, setting a format and a structured process for classifying the interrelationships between plants (among which he included all fungi), and between animals. The […]