English Medium Online MCQs O/L - Science (English Medium) - 01 MCQ Series 01 1 / 10 1) When the relative atomic mass of an element is measured in grams, the number of atoms in that amount is equal to a) Avogadro constant b) A mole of molecules c) Relative molecular mass d) Molar mass 2 / 10 2) In which answer given below is the botanical name of papaw plant given correctly? a) CARICA PAPAYA b) carica papaya c) Carica papaya d) Carica Papaya 3 / 10 3) By having a large number of mitochondria in skeletal muscle cells, a) more energy is produced b) production of lipids and steroids is reduced c) more glucose is stored d) synthesis of protein is reduced 4 / 10 4) When an emersion heater of 1000 W connected to a power supply of 250 V, what is the current that flows through its heating coil? a) 0.25 A b) 5 A c) 0.4 A d) 4 A 5 / 10 5) Select the group that contains natural polymers only? a) Starch, protein, DNA and cellulose. b) Protein, DNA , cellulose and polythene c) DNA, cellulose, polythene and Teflon. d) Cellulose, nylon, terylene and starch. 6 / 10 6) What is the instance below that HCl acid is used? a) Preparation of battery acid. b) Preparation of gelatin using bones in food technology. c) Production of artificial thread in textile industry. d) Production of soap, paper, artificial silk and paints. 7 / 10 7) Water absorption during the process of food digestion mainly takes place in, a) stomach b) small intestine c) anus d) large intestine 8 / 10 8) A characteristic of asexual reproduction is, a) contribution to evolution. b) occurrence of meiosis and mitosis. c) production of offsprings identical to parent. d) production of offsprings with variations. 9 / 10 9) What is the correct statement below, about friction? a) It is the force that opposes the relative motion between two surfaces. b) The dynamic frictional force is always greater than the limiting frictional force. c) The nature of surfaces does not influence the frictional force. d) Frictional force decreases when normal reaction increases. 10 / 10 10) Examples for a polysaccharide and a disaccharide are respectively, a) glycogen and glucose b) sucrose and starch c) cellulose and sucrose d) starch and galactose Your score isThe average score is 53% 0% Restart quiz O/L - Science (English Medium) - 02 MCQ Series 02 1 / 7 1) The power of an electric appliance is 750W. Calculate the amount of energy consumed within 5 minutes. a) 750x5 J b) 750/5 J c) 750/(5x60) J d) 750x5x60 J 2 / 7 2) Select the answer which indicates sexually transmitted diseases caused by bacteria and viruses in order. a) Herpes and Gonorrhea b) Gonorrhea and AIDS c) Herpes and syphilis d) Gonorrhea and syphilis 3 / 7 3) Which answer indicates elements with the characteristics of metalloids? a) Na and C b) B and AI c) C and Si d) B and Si 4 / 7 4) Which substance turns phenolphthalein in to pink colour a) lime juice b) Lime water c) Dilute sulphuric acid d) Salt solution 5 / 7 5) Cells which can be identified only in phloem tissue are a) Sieve tube elements and vessel elements b) Vessel elements and companion cells c) Sieve tube elements and Companion cells d) Tracheids and Parenchyma cells 6 / 7 6) Retarded growth of roots and red and purple patches on leaves can be identified on plant leaves due to thedeficiency of a) phosphorus b) Nitrogen c) Potassium d) Sulphur 7 / 7 7) What are the main components found in LP gas? a) Propane and butane b) Octane and butane c) Methane and propane d) Hexane and butane Your score isThe average score is 0% 0% Restart quiz Note: MCQs for other subject will be updated soon… Spread the love Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
