GK INFOPEDIA

[1] Which of the following has no skeleton at all? A. Starfish B. Sponge C. Jelly fish D. Silver fish Ans: Silver fish Explanation : Silverfish are always wingless and are silvery to brown in color because their bodies are covered with fine scales. They are generally soft bodied. [2] Fluid part of blood devoid […]

[1] Of the following man-made disasters, which is socially induced? A. Debris Avalanche B. Salt Water Intrusion C. Arson D. Ozone depletion Ans: Arson Explanation : Arson is the crime of intentionally and maliciously setting fire to buildings, wildland areas, vehicles or other property with the intent to cause damage. Distinct from spontaneous combustion and […]

[1] Which are not included in the milk teeth in a child of 3-4 years? A. Incisors B. Canines C. Molars D. Premolars Ans: Molars Explanation : Molars are the posterior most and most complicated kind of tooth in most mammals. The third, rearmost molar in each group is called a wisdom tooth. It is […]

[1] Scurvy is a disease of – A. hair B. skin C. liver D. eyes Ans: skin Explanation : Scurvy is caused by the deficiency of Vitamin C. This causes muscle weakness, joint pain and problems with wound healing. It can also lead to loose teeth, bleeding and swollen gums, easily bruised skin and fatigue, […]

[1] The disease caused by Asbestos is – A. Emphysema B. Paralysis C. Diarrhoea D. Dysentery Ans: Emphysema Explanation : Emphysema is the common lung disease caused by asbestos. Emphysema is a lung condition in which tiny air sacs in the lungs – alveoli – fill up with air. As the air continues to build […]

[1] Which of the following is the parasitic plant? A. Marchantia B. Kelp C. Mushroom D. Pteris Ans: Mushroom Explanation : A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. [2] Cooking oil can be converted into vegetables ghee by the process of – A. […]

[1] The function of Haemoglobin is to : A. provide amino acids B. carry oxygen C. provide enzymes D. help in excretion Ans: carry oxygen Explanation : Haemoglobin is an iron-containing protein in red blood cells. Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the rest of the body […]

[1] The damage of the human body due to radiation (x-rays or y-rays etc,) is measured in – A. Rads B. Rems C. Roentgen D. Curie Ans: Rads Explanation : In the case of damage to human body due to radiation, the most important factor is the amount of the dose – the amount of […]

[1] Who coined the term gene? A. Mendel B. Johannsen C. Watson D. Beadle Ans: Johannsen Explanation : Danish botanist Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity. He also made the distinction between the outward appearance of an individual (phenotype) and its genetic traits (genotype). [2] The term ‘genetics’ […]

[1] The sugar present in DNA is – A. Pentose B. Xylulose C. Hexose D. Heptulose Ans: Pentose Explanation : A monosaccharide is the simplest form of carbohydrate which is composed of carbon, hydrogen and oxygen. The basic formula of the monosaccharide is CnH2nOn. These are considered as the simplest form of sugar. The monosaccharide […]