UNIT 2-QUESTION BANK (Topic 6-10) PDF

BIOLOGY FOR ENGINEERS (BT1651-1) Unit 2-QUESTION BANK (Topic 6-10) Topic 6: Composites in Construction, Termite Option A (correct Ans) Option B Option C Option D Q. N Mound Architecture...

BIOLOGY FOR ENGINEERS (BT1651-1) Unit 2-QUESTION BANK (Topic 6-10) Topic 6: Composites in Construction, Termite Option A (correct Ans) Option B Option C Option D Q. N Mound Architecture Materials with Materials Only one Two or more constituent similar with similar material with 1. Composites are materials chemical physical different properties properties shapes, colours Corrosion High Design 2. This is not a beneficial aspect of composites Heavy weight resistance durability flexibility Only in Only in Only in 3. Composites are used All the fields mentioned medical constructions transportation applications Different Different Better than traditional 4. Composite materials are used in construction due to Heavy weight shapes colours building materials available available Ceramic Glass Polymer Metal Polymer 5. FRP composites are created using Plastic Polymer Resin Polymer Resin Resin Resin FRP composites are created through the combination 6. Fibers Glass Metal Ceramic of a plastic polymer resin with strong Bio-composites are fabricated by combining ______in Synthetic Synthetic 7. Natural fibers Natural rubber a matrix material. fibres rubber 8. This is an example of a natural bio composite Wood Rubber Cotton Jute Page 1 of 9  High Low growth High growth 9. Naturals fibers are abundant and have Low harvesting costs harvesting rate rate costs Production Transport Raw material 10. Synthetic fibers have Recycling issues issues issues issues Non toxic No Neutral 11. Synthetic fibers generates Toxic byproducts byproducts byproducts byproducts Reinforcement and Reinforcement Matrice and Matrice and 12. Biocomposites are made using matrice and filler thermosets polymers 13. This is not a natural fiber Isocyanate Cotton Hemp Flax Fibers and matrix Only fiber Only matrix Only polymer 14. Hybrid biocomposites are derived by blending blending blending blending Local 15. This is not expected in case of biocomposites Rottening Light weight Recyclability production The termite mounds sometimes have a diameter of 16. _____metres 30 40 50 60 17. The termites will not use this for mound construction Wood Soil Saliva Dung Although the termite mound appears solid, the 18. structure is incredibly Porous Non porous Wet Hot 19. The termite mounds are often occupied by Snakes Rats Frogs Bats Termites mound chimneys use sunlight to heat and Carbon 20. cool the structure and ventilate____ Oxygen Nitrogen Hydrogen dioxide Q. N Topic 7: Counter Current Heat Exchangers Option A (correct Ans) Option B Option C Option D Heat exchangers are devices designed to transfer heat 21. between two or more All of these Vapors Gases liquids Page 2 of 9  The heat transferring process in heat exchangers occurs 22. through which separator Solid Liquid Gas vapour Which prevents the mixing of the fluids or direct fluid Liquid vapour 23. contact in heat exchangers Solid separator Gas separator separator separator In a heat exchanger, two fluids (hot and cold) flow in Parallel 24. opposite directions. The type of fluid flow is: Counter current Co-current Cross current current 25. Heat exchangers prevents vehicle engines Overheat Overspeed Overcharge Overcool Concurrent In large fish and aquatic mammals core body Counter current heat Net current Anit current 26. temperature is maintained constant by heat exchange exchange Exchange exchange 27. The tuna fish has core body temperature as like Mammals Reptiles Insects Worms Cold Slow moving 28. The tuna fish was often called as Warm blooded fish blooded fish fish Tiny fish Tuna fish while swims, higher amount of heat is Nerve Backbone blood vessel 29. generated in the core of the body due to Muscle action action action action The core body temperature of an animal may rise even 30. up to_____degree celsius, while it is running? 42 82 62 72 Topic 8: Design of Aeroplane, Helicopter and Option A (correct Ans) Option B Option C Option D Q. N Submarine 31. Who drew the first aircraft design art? Leonardo da vinci Donatello Michelangelo Raphael The aircraft design art drawn during, 14th century Eliptical air Axial air 32. was named as________ Helical air screw Rounded air screw screw screw 33. The wright brothers’ first flight name is________ Flyer 1 Trailer 1 Arial 1 Helical 1 Page 3 of 9  Wing Wing By observing the birds flying mechanism, the Wing folding 34. wright brothers are able to control their airplane by Wing warping method wrapping stretching method method method Maximum Threshold Minimum resistance for No resistance for 35. The contour of bird wing design shows wind resistance for wind resistance for wind wind Width to Width to 36. The aspect ratio in the wing design is Length to width length Length to thickness thickness 37. In the birds wing the aspect ratio varies from 1.5-18 1.5-1.8 15-18 150-180 As the aspect ratio increases in the wing design, the Cannot be 38. flight adaptability is Better Worse No change determined When air moves over the wing, the air pressure Cannot be 39. above the wing Decreases Increases Remains same determined When air moves over the wing, the air pressure Cannot be 40. below the wing Increases Decreases Remains same determined The blades at the hind edge of the wings of an air 41. plane are withdrawn while on Gliding Landing Take off On runway In the airplane, wing blades at the hind edge are 42. extended and thrusted downward while Landing Take off Gliding On runway 43. A bird can change its wing shape by the help of Feathers Legs Knees Beaks Wright 44. The inventor of modern helicopter Igor sikorsky Louis-charles Jacques breguet brothers 45. The helicopter analogy is with this living creature Dragonfly Butterfly Honey bee birds 46. How many sets of wings the dragon fly consists? Two Three Four One Page 4 of 9  Which part serves to stabilize the helicopter during 47. its flight? Tail rotor Rotor mast Rotor blades Tail boom Helicopter changes course by altering angle of Electrical 48. attack by the help of Mechanical levers Landing skids Cockpits cables During generation of bernoulli lift, the air moves In the opposite In the same 49. _____ over the top of the wing compared to the Faster slower direction speed bottom The high lift devices and control surfaces of 50. airplane perform similar functions to which organ Wings Legs Neck Bill of birds? When dragon flies moves forward, what provides 51. them the propulsion? Rear wings Front wings Tail Legs When the dragonfly moves forward, the front set of 52. wings gives the dragonfly Lift Propulsion Pressure Rotation Absence of what causes the helicopter to rotate Mechanical 53. about it's own axis Tail rotor Rotor blades Wing sections levers Air flows Air flows Air flows faster through slower Air flows faster slower The dragonfly wings and the helicopter blades are 54. designed in such a way that the upper region of the through the through the lower through the wings upper region region of the wings lower region of the wings of the wings Transitioning it’s muscle By rotating Dragonfly adjusts the angle of attack on it’s wings Fluttering the wings By changing 55. by to beats it’s wings about its own whilst flight it’s mass slightly different pattern axis Altering of Blades of helicopter are made up of composite Cracking of blades under Upward 56. materials to prevent angle of Lift and propulsion stress suction effect attack Page 5 of 9  The air flow below the rotor blades is slower Pushed Pulled 57. resulting in high pressure so total effect is that the Pushed upwards Pulled upwards downwards downwards helicopter is The civilian submarines are used for marine and 58. freshwater research projects which is called as Oceanography Windography Hydrography Marinography 59. The whale body contour almost resembles to Submarine Airplane Helicopter Cruise ship The major similarity between whale body and 60. submarine is ________. Shape of body Colour Capacity Speed Q. N Topic 9 : Information theory and biology, Option A (correct Ans) Option B Option C Option D Sonar – Echolocation 61. Who proposed the information theory in Shannon Feynman Adleman Watson communication industry? 62. DNA backbone, outside the double helix is Phosphate and sugar Sugar and Nitrogen and carbon Phosphate and made up of nitrogen nitrogen 63. Which of the following statement is true related The two DNA strands are The two DNA The two DNA strands The two DNA to DNA anti-parallel and strands are are parallel and non- strands are anti complementary parallel and complementary parallel and complementary non- complementary 64. This is the purine nitrogenous base of DNA Guanine Thymine Cytosine Uracil 65. This is not the pyrimidine nitrogenous base Adenine Uracil Cytosine Thymine 66. The idea of individual molecules could be used Feynman Shannon Adleman Watson for computation was proposed by 67. The concept of DNA computing was introduced Adleman Shannon Feynman Watson by Page 6 of 9  68. Dr. Adleman has written an article on solving Hamiltonian directed path Highly directed Halwart directional Holts HDP problem. Here HDP problem stands for problem path problem path problem directional path problem 69. Adleman put his theory of DNA computing to Traveling Salesman Tool salesman Ribo Computing Machine the test on a problem called the Problem (TSP) Problem (TSP) Problem (RCP) Executing Problem (MEP) 70. Which is the limitation of DNA computing? Time consuming laboratory Extremely dense Enormous parallel Extraordinary procedures information computing energy storage possibilities efficiency 71. The science of using computational tools and Bioinformatics Synthetic Computational Evolutionary systems to answer problems of biology is Biology Biology Biology 72. Developing theories, algorithms and Computational Biology Synthetic Bioinformatics Evolutionary statistical models to analyze biological data is Biology Biology 73. Disadvantage of DNA strands for computing is DNA is organic and decays. The two strands The four base pairs Complementary Experimentation thus must are AGCT with triplet strands give not be time consuming. complimentary. codes store enormous low scope for Hence is unique. information. error. 74. This is not the hidden factors affecting Complementarities of DNA Arbitrary Unrealistic DNA, in vitro complexity of DNA computers makes it unique for error number of test assessment of how (in the lab) corrections tubes to be used reactant decays for experiments concentrations scale with problem size 75. The powerful computing power of DNA All of these Genetic Language systems Data computers can be used in future for_______ programming Encryption 76. What is SONAR? Sound Navigation And Solar Sound Navigation Solar Ranging Navigation And And Response Navigation And Response Ranging 77. Which among the following is widely used SONAR RADAR LIDAR Electromagnetic submarine applications waves Page 7 of 9  78. Which creatures use sound waves to locate Bats Butterflies Dragonflies Eagles objects _______ 79. Bats sense their direction through_________ Echolocation Sense of sight Wings Nose 80. Along with the position information, bats can All of these Shape Size Texture also discriminate objects based on Q. N Topic 10 :Medical Devices- Artificial Option A (correct Ans) Option B Option C Option D pacemaker, Bionic eye, Cochlear implant Expansion Ventricle blocker, 81. A pacemaker system consists of Pulse generator, leads generator, leads Atrium blocker, leads leads The name given to the condition in which the 82. electrical impulses may be blocked along the Heart block Heart attack Heart impulse Heart Clog pathway through the heart_______ Right/left atrium or right/left Right ventricle 83. A single-chamber pacemaker paces _______ ventricle Left atrium only Right atrium only only The weight /mass of the pacemaker is about 84. _______ 22-50 gms 2.2-5 gms 220-500 gms 0.22-0.5 gms Both atrial and ventricular Only right atrial Only left ventricular Only right 85. The Dual-chamber pacemaker senses _______ activity activity activity ventricle activity The Biventricular-chamber pacemaker paces Right/left atrium and both Left ventricle 86. _______ Left atrium only Right ventricle only right/left ventricle only In which type of pacemaker the patient body serves 87. as the grounding source Unipolar Bipolar Multipolar Non-polar In which type of pacemaker there is less chance for 88. electromagnetic interference Bipolar Unipolar Multipolar Non-polar The insulated wire that carries the stimulus from a 89. pulse generator to the heart in an artificial pace- Lead Pacer Generator Pulsar maker is called? Page 8 of 9  Leads in an Artificial Pacemakers are wires threaded 90. through ___________ and attached to the heart Veins Arteries Aorta Venacava muscles carrying impulses The Bionic eye provokes visual sensations in the 91. brain by directly stimulating different parts of Optic nerve Cornea Eye lid Eye lens Age related loss of central vision and blurred 92. peripheral vision is Macular degeneration Glaucoma Retinopathy Cataract The genetic eye disease, where loss of peripheral Macular 93. vision occurs Retinitis Pigmentosa Glaucoma Retinopathy degeneration Retinitis Macular The two medical conditions of eye that bionic eye Macular degeneration and 94. aims to address are Pigmentosa and Glaucoma and Cataract degeneration Retinitis Pigmentosa Retinopathy and Retinopathy Cochlear implant captures sound and turns it into 95. digital code with the help of: Sound processor Stimulator Transmitter Microphone Who have Who has 50% or Who has little or no moderate hearing less or sentence 96. The cochlear technology is to help people who All of these loss in both of benefit from hearing recognition test aid ears score This is worn behind the ear or on the body, captures 97. sound and turns it into digital code Sound processor Battery Transmitting coil Electrode array Choose the correct answer for which the benefits of Cannot focus better when in Reconnect with missed 98. a cochlear implant for hearing impaired person is noisy environment Feel safer sounds Hear well not true Since 1972 more than _______ different cochlear 99. implants have been done. 16 17 18 19 Makes sound Makes sound 100. The hearing aids in the ear Makes sound louder smoother Makes sound silent noiseless ********************************************** Page 9 of 9