'; answerText[7] = '
'; numberText[8] = '9.'; questionText[8] = '
a.
|
carbohydrate
|
c.
|
protein
|
b.
|
lipid
|
d.
|
nucleic acid
|
'; answerText[8] = '
'; numberText[9] = '10.'; questionText[9] = '
a.
|
carbohydrates
|
c.
|
protein
|
b.
|
lipids
|
d.
|
nucleic acids
|
'; answerText[9] = '
'; numberText[10] = '11.'; questionText[10] = '
a.
|
it has four electrons in its outermost energy ' + 'level.
|
b.
|
it readily bonds ' + 'with other carbon atoms.
|
c.
|
it can form single, double, or triple bonds with other ' + 'atoms.
|
d.
|
it shares two ' + 'electrons with another atom when it forms a covalent bond.
|
'; answerText[10] = '
'; numberText[11] = '12.'; questionText[11] = '
a.
|
adhesive strength
|
b.
|
capillarity
|
c.
|
cohesive strength
|
d.
|
All of the above are a result of hydrogen ' + 'bonding.
|
'; answerText[11] = '
'; numberText[12] = '13.'; questionText[12] = '
a.
|
carbohydrates.
|
c.
|
proteins.
|
b.
|
lipids.
|
d.
|
unsaturated fats.
|
'; answerText[12] = '
'; numberText[13] = '14.'; questionText[13] = '
a.
|
are used up during the reaction
|
b.
|
are decomposed during the reaction
|
c.
|
react more rapidly as the reaction progresses
|
d.
|
are not used up during the reaction
|
'; answerText[13] = '
'; numberText[14] = '15.'; questionText[14] = '
a.
|
carbohydrate
|
c.
|
proteins
|
b.
|
lipid
|
d.
|
nucleic acids
|
'; answerText[14] = '
'; numberText[15] = '16.'; questionText[15] = '
a.
|
such as sugars.
|
b.
|
because of the uneven charge distribution that exists in water ' + 'molecules.
|
c.
|
thus freeing ions ' + 'in these substances for use by the body.
|
d.
|
All of the above
|
'; answerText[15] = '
'; numberText[16] = '17.'; questionText[16] = '
a.
|
capillarity
|
c.
|
adhesion
|
b.
|
thermal energy
|
d.
|
cohesion
|
'; answerText[16] = '
'; numberText[17] = '18.'; questionText[17] = '
a.
|
water.
|
c.
|
oil.
|
b.
|
salt water.
|
d.
|
All of the above
|
'; answerText[17] = '
'; numberText[18] = '19.'; questionText[18] = '
a.
|
amino acid
|
c.
|
nucleotide
|
b.
|
CH2 chain
|
d.
|
sugar
|
'; answerText[18] = '
'; numberText[19] = '20.'; questionText[19] = '
a.
|
carbohydrate
|
c.
|
lipid
|
b.
|
ice
|
d.
|
nucleic acid
|
'; answerText[19] = '
'; numberText[20] = '21.'; questionText[20] = '
a.
|
carbohydrates.
|
c.
|
proteins.
|
b.
|
lipids.
|
d.
|
sugars.
|
'; answerText[20] = '
'; numberText[21] = '22.'; questionText[21] = '
a.
|
cellulose
|
c.
|
fats
|
b.
|
proteins
|
d.
|
glycogen
|
'; answerText[21] = '
'; numberText[22] = '23.'; questionText[22] = '
a.
|
CaO
|
c.
|
C5H12
|
b.
|
H2O
|
d.
|
H2SO4
|
'; answerText[22] = '
'; numberText[23] = '24.'; questionText[23] = '
a.
|
sugar.
|
c.
|
steroids.
|
b.
|
cellulose.
|
d.
|
glycogen.
|
'; answerText[23] = '
'; studentName = StripSpaces(f.student_name.value); FixMTF(f); index = 0; for (i=0; i < f.length; ++i) { if (f.elements[i].name.indexOf(":") > 0) { text = StripSpaces(GetResponse(index, f.elements[i])); if (text.length == 0) ++numBlank; ++index; } } if (studentName == "") { alert("Student name cannot be blank."); return(false); } if (numBlank > 0) { if (numBlank == 1) msg = "1 question"; else msg = numBlank + " questions"; if (!confirm("You have not answered " + msg + " Are you sure you want to end the test?")) return(false); } index = 0; for (i=0; i < f.length; ++i) { if (f.elements[i].name.indexOf(":") > 0) { text = GetResponse(index, f.elements[i]); if (ansMap[index] == "") { prefixText[index] = "
"; ++numSubjective; } else { isCorrect = ScoreAnswer(index, text); if (isCorrect) ++numCorrect; ++numPossible; prefixText[index] = BuildPrefixText(index, text, isCorrect); } responseText[index] = TranslateHtmlString(text); ++index; } } if (showNotes) { for (i=0; i < numQuestions; ++i) { if (qtypeMap.charAt(i) == "2") notesText[i] = FixMCNotes(notesText[i], responseText[i]); } } if (numPossible > 0) scorePercent = Math.round(100.0 * numCorrect / numPossible); else scorePercent = 0; studentName = TranslateHtmlString(studentName); document.writeln("n"); document.writeln("
n"); document.writeln("
"); document.writeln("Name: " + studentName + ""); document.write("Score: " + numCorrect + " / " + numPossible + " (" + scorePercent + "%)"); if (numSubjective > 0) { document.write(" [" + numSubjective + " subjective "); if (numSubjective == 1) document.write("question"); else document.write("questions"); document.write(" not graded]"); } document.writeln(" "); document.writeln("
"); document.writeln("
"); document.writeln(instructionText[currentInstruction]); document.writeln("
"); document.writeln(" |
||||||||
"); document.writeln(narrativeText[currentNarrative]); document.writeln("
"); document.writeln(" |
||||||||
" + prefixText[i] + " |
" + numberText[i] + "
|
" + questionText[i]); document.writeln("
"); document.writeln("
"); document.writeln("
|
"); document.writeln("
"); document.writeln("
|
|
"); document.writeln(" | "); document.write(""); document.writeln(""); document.writeln(" |
"); document.writeln(""); document.writeln(""); document.close(); return(false); } function GetResponse(answerIndex, answer) { var listIndex; var responseText; if (listMap.charAt(answerIndex) == "1") { listIndex = answer.selectedIndex; responseText = answer.options[listIndex].text; } else responseText = answer.value; return(responseText); } function ScoreAnswer(answerIndex, responseText) { var listIndex; var answerText; answerText = ansMap[answerIndex]; if (qtypeMap.charAt(answerIndex) == "4") return(NumericCompare(responseText, answerText)); else if (qtypeMap.charAt(answerIndex) == "5") return(MultiCompare(responseText, answerText)); else if (responseText.toUpperCase() == answerText.toUpperCase()) return(true); else return(false); } function BuildPrefixText(answerIndex, responseText, isCorrect) { var text; var listIndex; text = "
" if (isCorrect) text += "" else text += " " if (listMap.charAt(answerIndex) == "1") { if (responseText.length == 0) responseText = " "; text += " " + responseText + " "; } text += "
" return(text); } function StripSpaces(s) { var len; var i; len = s.length; for (i=len - 1; i >= 0 && s.charAt(i) == " "; --i) len = i; if (len == 0) s = ""; else if (len != s.length) s = s.substring(0, len); return(s); } function TranslateHtmlString(text) { var newText; var replaceString; var position; var length; var breakPos; var skipExtra; var i; newText = ""; position = 0; length = text.length; while (position < length) { skipExtra = 0; breakPos = -1; for (i=position; i < length && breakPos < 0; ++i) { switch(text.charAt(i)) { case '>': replaceString = ">"; breakPos = i; break; case '<': replaceString = "<"; breakPos = i; break; case '&': replaceString = "&"; breakPos = i; break; case 'r': if ((i + 1) < length && text.charAt(i + 1) == 'n') skipExtra = 1; replaceString = "
"; breakPos = i; break; case 'n': replaceString = "
"; breakPos = i; break; case ' ': if ((i + 1 < length) && text.charAt(i + 1) == ' ') { replaceString = " "; breakPos = i; } break; } } if (breakPos < 0) { newText += text.substring(position, length); position = length; } else { if (breakPos > position) newText += text.substring(position, breakPos); newText += replaceString; position = breakPos + 1 + skipExtra; } } return(newText); } function FixMCNotes(notesText, studentText) { var displayText; var searchText; var upperNotes; var charCode; var startIndex; var endIndex; displayText = ""; if (studentText.length > 0 && notesText.length > 0) { upperNotes = notesText.toUpperCase(); studentText = studentText.toUpperCase(); charCode = studentText.charCodeAt(0); searchText = "/" + String.fromCharCode(charCode) + "/"; startIndex = upperNotes.indexOf(searchText); if (startIndex >= 0) { startIndex += searchText.length; searchText = "/" + String.fromCharCode(charCode + 1) + "/"; endIndex = upperNotes.indexOf(searchText, startIndex); if (endIndex < startIndex) endIndex = notesText.length; displayText = notesText.substring(startIndex, endIndex); } else if (notesText.charAt(0) != "/") displayText = notesText; } return(displayText); } function NumericCompare(s1, s2) { var s1Sign; var s2Sign; var tempString; var decimalCount; var decimalPos; var numToDelete; var len; var ch; var i; s1.toUpperCase(); s2.toUpperCase(); if (s1 == s2) return(true); else { s1Sign = 1; s2Sign = 1; tempString = ""; for (i=0; i < s1.length; ++i) { ch = s1.charAt(i); if (ch == "-" && tempString.length == 0) s1Sign = -1; else if ((ch >= "0" && ch <= "9") || ch == ".") tempString += ch; } s1 = tempString; decimalCount = 0; decimalPos = -1; for (i=0; i < s1.length; ++i) { if (s1.charAt(i) == '.') { ++decimalCount; if (decimalPos < 0) decimalPos = i; } } if (decimalCount == 1 && decimalPos >= 0) { len = s1.length; for (i=len - 1; i >= decimalPos; --i) { if (i == decimalPos || s1.charAt(i) == '0') len = i; else break; } if (len < s1.length) s1 = s1.substring(0, len); if (s1.length == 0) s1 = "0"; } numToDelete = 0; for (i=0; i < s1.length; ++i) { if (s1.charAt(i) == "0") ++numToDelete; else break; } if (numToDelete > 0) { if (numToDelete == s1.length) --numToDelete; if (numToDelete > 0) s1 = s1.substring(numToDelete); } ///////////////////////////////////////////// tempString = ""; for (i=0; i < s2.length; ++i) { ch = s2.charAt(i); if (ch == "-" && tempString.length == 0) s2Sign = -1; else if ((ch >= "0" && ch <= "9") || ch == ".") tempString += ch; } s2 = tempString; decimalCount = 0; decimalPos = -1; for (i=0; i < s2.length; ++i) { if (s2.charAt(i) == '.') { ++decimalCount; if (decimalPos < 0) decimalPos = i; } } if (decimalCount == 1 && decimalPos >= 0) { len = s2.length; for (i=len - 1; i >= decimalPos; --i) { if (i == decimalPos || s2.charAt(i) == '0') len = i; else break; } if (len < s2.length) s2 = s2.substring(0, len); if (s2.length == 0) s2 = "0"; } numToDelete = 0; for (i=0; i < s2.length; ++i) { if (s2.charAt(i) == "0") ++numToDelete; else break; } if (numToDelete > 0) { if (numToDelete == s2.length) --numToDelete; if (numToDelete > 0) s2 = s2.substring(numToDelete); } if (s1Sign == s2Sign && s1 == s2) return(true); } return(false); } function MultiCompare(responseText, answerText) { var startIndex; var endIndex; var partialText; responseText = responseText.toUpperCase(); answerText = answerText.toUpperCase(); startIndex = 0; do { endIndex = answerText.indexOf("r", startIndex); if (endIndex < 0) partialText = answerText.substring(startIndex); else partialText = answerText.substring(startIndex, endIndex); if (responseText == partialText) return(true); startIndex = endIndex + 1; } while (endIndex > 0); return(false); } function FixMTF(f) { var text; var letter; var theList; var listIndex; var number; var i; for (i=0; i < f.length; ++i) { if (f.elements[i].name.indexOf("MTF:") == 0) { number = parseInt(f.elements[i].name.substring(4), 10); theList = f["MTF-" + number + "-1"]; if (theList) { listIndex = theList.selectedIndex; letter = theList.options[listIndex].text; } else letter = ""; text = StripSpaces(f["MTF-" + number + "-2"].value); if (text == "") f.elements[i].value = letter; else f.elements[i].value = letter + "," + text; } } } function AllowReset() { return(window.confirm("Do you want to clear all of your answers?")); } // -->
Name:
|
True/False
Indicate whether the sentence or statement is true or false.
|
||||||||||
1. |
When sugar is dissolved in water, the sugar and water are chemically combined.
|
|||||||||
2. |
Functional groups are side groups of carbon compounds that confer specific properties to these compounds.
|
|||||||||
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
|
||||||||||
3. |
Water molecules are polar, with the
|
|||||||||
4. |
Which of the following organic compounds is the main source of energy for living things?
|
|||||||||
5. |
Which of these is a characteristic of enzymes?
|
|||||||||
6. |
Which element is found in proteins but not in carbohydrates and fats?
|
|||||||||
7. |
Which organic molecule below is most closely related to lipids?
|
|||||||||
Molecule A Molecule B
|
||||||||||
8. |
Refer to the illustration above. Molecules like Molecule “B” are found in
|
|||||||||
9. |
Which of the following is composed of fatty acids and glycerol?
|
|||||||||
10. |
This group of organic compounds includes monosaccharides:
|
|||||||||
11. |
Carbon is different from most other elements in that
|
|||||||||
12. |
Which of the following characteristics of water is not a result of hydrogen bonding?
|
|||||||||
13. |
Polysaccharides are
|
|||||||||
14. |
Enzymes involved in a chemical reaction:
|
|||||||||
15. |
Which organic compound is involved in heredity?
|
|||||||||
16. |
Water molecules break up other polar substances,
|
|||||||||
17. |
When a glass is filled to the brim with water, the water appears to bulge from the sides of the glass due to
|
|||||||||
18. |
Lipids are soluble in
|
|||||||||
19. |
Which organic molecule below is classified as a carbohydrate?
|
|||||||||
20. |
Which of the following is not an organic macromolecule?
|
|||||||||
21. |
Long chains of amino acids are found in
|
|||||||||
22. |
Amino acids are the building blocks of larger molecules called:
|
|||||||||
23. |
Which of the following is an organic compound?
|
|||||||||
24. |
All of the following are examples of carbohydrates except
|