MCQ Chapter 14 Biology Class 11 Maharashtra Board Human Nutrition 1. What is nutrition defined as by the World Health Organization?The process of digestion and absorptionThe intake of food in relation to the body's dietary needsThe sum of mechanical and chemical digestionThe production of energy from carbohydratesQuestion 1 of 202. Which of the following is NOT a process included in nutrition?IngestionDigestionExcretionAssimilationQuestion 2 of 203. Why do we need to digest food even if our diet contains all necessary nutrients?To increase the size of food particlesTo convert complex food into simple, diffusible, and assimilable substancesTo store food in the stomachTo remove excess water from foodQuestion 3 of 204. What is the approximate length of the human alimentary canal?4-6 meters6-8 meters8-10 meters10-12 metersQuestion 4 of 205. Which part of the mouth is formed by the palate?FloorRoofSide wallsLipsQuestion 5 of 206. How many teeth are present in the buccal cavity of an adult human?28303234Question 6 of 207. What type of joint fixes each tooth in its socket in the jaw?Hinge jointGomphosis jointBall and socket jointPivot jointQuestion 7 of 208. How many sets of teeth do humans get in their lifetime?OneTwoThreeFourQuestion 8 of 209. Which type of teeth is NOT part of human heterodont dentition?IncisorsCaninesMolarsRidgersQuestion 9 of 2010. What is the dental formula for an adult human?2,1,2,3 / 2,1,2,32,2,1,3 / 2,2,1,31,2,2,3 / 1,2,2,32,1,3,2 / 2,1,3,2Question 10 of 2011. What is the hardest substance covering the crown of a tooth?DentinEnamelCementumPulpQuestion 11 of 2012. What does the pulp cavity of a tooth contain?EnamelBlood vessels and nervesCementumDentinQuestion 12 of 2013. What guards the glottis during swallowing to prevent food from entering the trachea?TongueEpiglottisUvulaPharynxQuestion 13 of 2014. What is the approximate length of the oesophagus in humans?15 cm25 cm35 cm45 cmQuestion 14 of 2015. What is the function of mucus in the oesophagus?Digests proteinsLubricates the passageway of foodNeutralizes stomach acidAbsorbs nutrientsQuestion 15 of 2016. Which region of the stomach prevents back flow of food into the oesophagus?FundusBodyCardiaPylorusQuestion 16 of 2017. What is the approximate length of the stomach?15-20 cm25-30 cm35-40 cm45-50 cmQuestion 17 of 2018. Which part of the small intestine is the longest?DuodenumJejunumIleumCaecumQuestion 18 of 2019. What is the vestigial organ arising from the caecum?ColonAppendixRectumAnusQuestion 19 of 2020. Which part of the large intestine temporarily stores faeces?CaecumColonRectumAnusQuestion 20 of 20 Loading...
Leave a Reply