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| Biology 11th Chapter 2 Biological Molecules Questions Bank |
Biology 1st Year Chapter 2 Biological Molecules Questions Bank
MCQs
Please select the right answer.
1. Which one is a protein?
2. A ____ occurs as bonds are formed or broken between atoms, ions or molecules.
3. A 5 carbon monosaccharide, a nitrogen base and a phosphoric acid are three sub units of:
4. A bond that forms between a positively charged hydrogen atom of one molecule and a negative charged region of another molecule is an:
5. A bond formed between carboxylic acid and alcohol is:
6. A chemical ""buffer"":
7. A chemical group composed of a central phosphorous bonded to four oxygens:
8. A disaccharide that gives two molecules of glucose on hydrolysis is:
9. A fatty acid is a compound made of a chain of carbon atoms plus:
10. A fatty acid is unsaturated if it:
11. A hormone is an example of which functional class of proteins:
12. A nucleotide of DNA:
13. A triglyceride is a:
14. Act as solvent for ionic compounds in body fluid:
15. Adenine:
16. All living things use the same amino acids.
17. All of the following are organic compounds except:
18. All organic compounds contain the elements:
19. Animal starch is:
20. Asymmetrical lipid molecules with a hydrophilic head and a hydrophobi tail, with a phosphate group in place of one of the three fatty acid chains:
21. At room temperature animal Fats are:
22. Atoms form bonds by:
23. ATP is an example of:
24. ATP releases energy when:
25. ATP:
26. Basis element of organic compound is:
27. Branch of biology, which deals with the study of chemical components and chemical process in the living organism, is called:
28. Cane suger is a/an:
29. Carbohydrates are also called:
30. Carbon is:
31. Carboxyl group:
32. Cellulose is digested because of microorganism in their tract by:
33. Choose the pair of terms that completes this sentence: nucleotides are to as are to proteins.
34. Codon:
35. Conjugated Histon Proteins are:
36. Contain an anticodon:
37. Covalent bond:
38. Dehydration and hydrolysis reactions involve removing or adding to macromolecule subunits.
39. Deoxyribose:
40. Derivatives of phosphatidic acid are.
41. DNA and RNA are made up of:
42. DNA and RNA differ in:
43. DNA is?
44. DNA model was suggested by:
45. Double helix:
46. During the conversion of ATP into ADP, energy release is.
47. Each alpha chain of hemoglobin contains amino acid.
48. Each of the 20 naturally occurring amino acids has a different:
49. Electrolytes that release hydrogen ions in water are called:
50. elements that make up 98 percent of protoplasm are:
51. Energy absorbed to change water from liquid to gas is called:
52. Enzymes are:
53. Fats and oils are lighter than:
54. Fibrin:
55. Globular proteins are ellipsoidal or:
56. Glucose and fructose are example of:
57. Glyceraldehyde is one example of a group of sugers called:
58. Glycerol is the back bone molecule for:
59. Glycogen is an example of:
60. Heamophilus influenzae is?
61. Hemoglobin is an example of which functional class of protein?
62. If atoms of different elements combine, the molecule can also be called a:
63. If three molecules of a fatty acid, each having the formula C16H22C00H, were joined to a molecule of glycerol (C311803), the resulting molecule would have the formula:
64. In animal fatty acids are:
65. In aqueous medium fibrous proteins are:
66. In RNA the Nitrogen base that takes the place of thymine is:
67. In sugar cane and sugar beet, the storage product is:
68. In tertiary structure of protein polypeptide chain bends and folds upon itself forming a shape:
69. It is an animal storage product that accumulates in the vertebrate liver and muscles:
70. It is estimated that a person of average size contains 16 kg of fat which is equivalent to:
71. It is most abundant carbohydrate in the nature:
72. It is the most abundant organic component in living cells:
73. Lactose is present in:
74. Large molecules with skeletons of carbon atoms are said to be:
75. Membrane carbohydrates when linked to lipids are called:
76. Metabolic activities included:
77. Molecular formula of Stearin fat is:
78. Monosaccharide:
79. Monosaccharides contain carbon atoms:
80. Most abundant organic compound to be found in the cells is:
81. NAD is an example of:
82. Nicotinamide adenine dinucleotide abbreviated as:
83. Nitrogen bases such as choline, ethanolamine and serine are important of:
84. Nonpolar organic molecule:
85. Nucleic acids are polymers composed of monomer units known as:
86. Nucleic acids are related with:
87. Nucleoside + Phosphate:
88. Nucleotide contains:
89. Nucleotides have a nitrogenous base attached to a sugar at the:
90. Number of peptide bonds in a dipeptide:
91. Nutral solution:
92. Oligosaccharides yield from two to ten monosaccharides on:
93. One molecule of glucose and one molecule of galactose form:
94. Oxygen carrying protein of red blood cells exhibits quaternary structure of protein.
95. Peptide bonds are found in:
96. Polar molecules:
97. Protein attach to chromosome:
98. Protein's polymers are:
99. Ribose form a ring structure when in solution known as:
100. RNA occurs in:
101. RNA synthesis by DNA is known as:
102. rRNA:
103. Solubility of fatty acids in organic solvents and their melting points increase with increasing number of:
104. Starch:
105. Starches have branched chains and are insoluble in hot or cold water are:
106. Starches have unbranched chains of glucose and soluble in hot water are:
107. Stearin is:
108. Steriodes and triglycerides are example:
109. Steroids are classified as:
110. Sucrose and Lactose are example of:
111. t RNA comprises about 10 to 20 percent of the:
112. Terpenoids are made up of simple repeating units called:
113. The amount of DNA is fixed for a particular species as:
114. The amount of heat must be absorbed or lost by lg of that substance to change its temperature by 1°C:
115. The biological function of a protein is determined by its:
116. The carbohydrate molecule which yield 2 to 10 monosaccharide molecules on hydrolysis are:
117. The cell energy currency:
118. The Combining capacity of an atom or ion is called:
119. The compound formed by combination of a base and a pentose sugar is called:
120. The compounds made up of simple repeating isoprenoid units are called:
121. The covalent bond between two monosaccharides called:
122. The form of RNA that delivers information from DNA to be used in making a protein is:
123. The four interconnected rings of steroid molecule have:
124. The four nitrogenous bases which form the code words for DNA language are:
125. The function of ATP is to:
126. The functional group COOH is:
127. The melting points of palmitic acid is:
128. The monomer that makes up polysaccharides is:
129. The nature of Lipids is:
130. The nucleohistane is present in:
131. The process of making a polypeptide sequence from the genetic code of mRNA molecule associated with a ribosome is termed as:
132. The sources of carbohydrates are green plants. These are primary product of:
133. The step of protein synthesis in which the information contained specific segment of DNA is copied into RNA is called:
134. The Suffix that denotes a sugar is:
135. The sugar found in RNA is:
136. The sugar with aldehyde group is called:
137. The sum of all the chemical reaction that occurs in the body is known as:
138. The term Protein was coined by:
139. There are nitrogenous bases.
140. These are composed of glycerol and fatty acids:
141. thirds of the weight of adults:
142. This aminoacid is called: CH3NH2 —CH — COOH
143. To produce Lactose:
144. Translation:
145. Triglycerides that are liquid at room temperature:
146. Triglycerides that are solid at room temperature:
147. Two different molecule belonging to different categories, usually combine together to forms:
148. Water molecule has characteristics of:
149. Watson and crick:
150. Waxes form protective coating on:
151. What is shown in the diagram below?
152. When amino acids in a polypeptide chain are arranged in spiral manner, it is called:
153. Which class of molecule is the major component of cell membrane?
154. Which is an organic molecule?
155. Which is not a lipid?
156. Which molecule is used for short term energy storage?
157. Which of the following is considered to be neutral?
158. Which of the following represent accurate pairing in D.N.A. molecules?
159. Which of these is an example of hydrolysis?
160. Which of these is an example of hydrolysis?
161. Which of these is not a function of lipids?
162. Which of these is not a nucleotide base found in DNA?
163. Which of these terms includes all others in the list?
164. Which one pick amino acid and transfer them to ribosome where they linked to form protein:
165. Which structure of protein comprises the number and sequence of amino acid in a protein molecule?
Short Questions
1. Define amino acid?
2. Define buffer?
3. Define heat of vaporization of water.
4. Define nucleotides?
5. Define oligosaccharides?
6. Define secondary proteins?
7. Define Specific heat capacity?
8. Define terpenoids?
9. Define triglycerides?
10. Differentiate between amylase and amylopectin starches?
11. Differentiate between Anabolic and catabolic reactions?
12. Differentiate between glycosidic and peptide bonds?
13. Difine biochemistry?
14. Give difference between saturated and un saturated fatty acids.
15. Hoe carbohydrates are chemically defined?
16. How many structures of protein are found?
17. How many types of starch are there?
18. How much solar energy s used in the synthesis of 10g glucose and in which form it is stored?
19. How water protects as an effective lubricant?
20. Name the carbohydrates suitable as food for man?
21. Name the four main types of biological molecules?
22. Nonpolar organic molecules such as fats are insoluble in water.What is the advantage of this fact?
23. Show peptide bond between two amino acids.
24. Sketch the structure of ribofuranose and glucopyranose.
25. sugars and keto sugars?
26. What are biochemicals?
27. What are biomolecules? Give two examples.
28. What are Covalent bonds?
29. What are monosaccharides found in nature?
30. What are most common monosaccharides?
31. What are physiologically important disaccharides?
32. What are some biologically important polysaccharides?
33. What are tetroses?
34. What are the major clases or groups of carbohydrates?
35. What are the most important organic compounds in living organisms?
36. What carbon occupies the central position in the skeleton of life?
37. What colour are given by starch glycogen and cellulose with iodine?
38. What did F.Sanger conclude about insulin?
39. What do you know about the solubility of carbohydrates?
40. What do you know about the taste of carbohydrates?
41. What does happen to monosaccharides when in solution?
42. What does happen to starch cellulose and glycogen on complete hydrolysis?
43. What is condensation?
44. What is dextrin?
45. What is glycosidic bond?
46. What is heat capacity of water? Give its importance.
47. What is heat of vaporization?
48. What is hydrolysis?
49. What is meant by organic molecules?
50. What is meant by saturated acyglycerol?
51. What is meduim of life?
52. What is metabolism?
53. What is normally the concentration of gluccse in our blood?
54. What is peptide bond?
55. What is primary structure of Protein?
56. What is Quaternary strcture of protein?
57. What is Secondary strycture of protein?
58. What is sucrose?
59. What is Tertiary structure of protein?
60. What is the advantage of heat of vaporization?
61. What is the basic element of organic compounds?
62. What is the concentration of each of H+ and OH ions in pure water at 25áµ’C?
63. What is the effect of hydrolysis on oligosaccharides?
64. What is the function of mRNA?
65. What is the general formula of carbohydrates?
66. What is the most important hexose from the biological point of view?
67. What is the percentage of water in brain cells of man?
68. What is the percentage of water in human tissues?
69. What trioses are intermediates in respiration and photosynthesis?
70. Where glucose is present in free state?
71. Where is glucose found in combined form?.Where is it naturally produced?
72. Where starch is found?
73. Which is the most abundant carbohydrate in nature.Where is it found in pure form?
74. Why glycogen is called animal starch?
75. Why the process of glucose synthesis by green plants is called photosynthesis?
76. Why these scientists are famous for:
77. Why water is an excellent solvent for polar substances?
78. Write the general formula of amino acid.
Long Questions
1. Describe biological properties and importance of water.
2. What are polysaccharides? Describe different types and give examples.
3. Give the classification of proteins.
4. Write the Watson and Crick model of DNA.
5. Give an account of acylglycerols.