Science Bowl: Life Science (Biology) Exam Questions With Verified And Updated Answers

Science Bowl: Life Science (Biology) Exam Questions With Verified And Updated Answers LIFE SCIENCE (Multiple Choice) Which of the following are homologous structures: W) wing of a bat and the arm of a human X) leg of a cat and the wing of a fly Y) stinger of a bee and the fang of a snake Z) rattler of a rattle snake and the whistle of a song bird - answerW) wing of a bat and the arm of a human LIFE SCIENCE (Short Answer) What organelle functions to isolate a human cell's chromosomes from the cytoplasm? - answernucleus LIFE SCIENCE (Multiple Choice) Which of the following is NOT a structure found in human cells: W) mitochondrion X) cell wall Y) lysosome Z) peroxisome - answerX) cell wall LIFE SCIENCE (Short Answer) What is the primary oxygen-carrying protein found in red blood cells? - answerhemoglobin LIFE SCIENCE (Multiple Choice) Which of the following is a set of reactions that do NOT require light and where carbon dioxide is used to make 3 carbon sugar phosphate molecules that are later used to make 6 carbon sugars: W) photosystem-two X) Calvin cycle Y) citric acid cycle Z) electron transport - answerX) Calvin cycle LIFE SCIENCE (Short Answer) Name all of the following 4 groups of animals that are reptiles: lizards; snakes; frogs; crocodiles - answerlizards; snakes; crocodiles (accept: all but frog) LIFE SCIENCE (Short Answer) Encephalitis is an inflammation of what organ? - answerbrain LIFE SCIENCE (Short Answer) What is the nitrogen-containing base present in RNA that is not present in DNA? - answerUracil LIFE SCIENCE (Short Answer) What is the name of the blood vessels in vertebrate bodies where most of the exchange of oxygen and carbon dioxide occurs? - answercapillaries (accept: capillary) LIFE SCIENCE (Short Answer) Name all of the following 4 plants that are gymnosperms: fern; ginkgo tree; pine tree; giant sequoia tree - answerginkgo tree; pine tree; giant sequoia tree LIFE SCIENCE Multiple Choice Most of the heart is composed of which of the following types of tissues: W) epithelial X) connective Y) nervous Z) muscle - answerZ) muscle LIFE SCIENCE (Short Answer) How many permanent teeth does a typical adult human have? - answer32 LIFE SCIENCE (Multiple Choice) Which of the following is the smallest object that a typical student compound light microscope is able to allow a person to see: W) mRNA X) ribosomes Y) E.coli Z) polio virus - answerY) E.coli LIFE SCIENCE (Short Answer) How many canine teeth does the typical human adult have? - answer4 LIFE SCIENCE (Short Answer) In the taxonomical name Homo sapiens, what taxonomical rank does sapiens represent? - answerspecies LIFE SCIENCE (Short Answer) Name all of the following 4 molecules that are storage forms of glucose: starch; wax; glycogen; maltose - answerstarch; glycogen