Question 4 :
Which of the following statements about the structure of proteins is true?

Question 10 :
Hormones, enzymes and vitamins are included in same group of biochemicals because these all&#160;<br/>

Question 12 :
The four elements that make up $99\%$ of all elements found in a living system are

Question 21 :
Major portion of dry weight of a plant consists of elements

Question 24 :
Read the passage and answer the following questions.<br/>The following data table shows the number of different amino acids in the beta hemoglobin chain of various organisms compared to the human beta chain.<br/><table class="wysiwyg-table"><tbody><tr><td>Organism<br/></td><td>Name of different amino acids<br/></td></tr><tr><td>Human<br/></td><td>0<br/></td></tr><tr><td>Mouse<br/></td><td>27<br/></td></tr><tr><td>Frog<br/></td><td>68<br/></td></tr><tr><td>Monkey<br/></td><td>11<br/></td></tr><tr><td>Lamprey<br/></td><td>125<br/></td></tr><tr><td>Chicken<br/></td><td>35<br/></td></tr><tr><td>Gibbon<br/></td><td>2</td></tr></tbody></table>Which of the following organisms are closely related to humans, based on hemoglobin amino acid sequence?<br/>

Question 26 :
If in a man, normal glucose conc. increases to 190 mg/100 ml. Which of the following will occur?

Question 29 :
To get quick energy one should consume which of the following option?<br/>

Question 30 :
Low calorie sweetener protein used by the people of West Africa is

Question 37 :
Match the columns and choose the correct option.<br/><table class="table table-bordered"><tbody><tr><td>&#160;</td><td>&#160;Column I</td><td>&#160;</td><td>Column II<br/></td></tr><tr><td>&#160;A</td><td>&#160;Fructose</td><td>&#160;1</td><td>Disaccharide</td></tr><tr><td>&#160;B</td><td>Sucrose</td><td>&#160;2</td><td>Monosaccharide</td></tr><tr><td>&#160;C</td><td>&#160;Sodium taurocholate</td><td>&#160;3</td><td>Amino acid</td></tr><tr><td>&#160;D</td><td>&#160;Glycine</td><td>&#160;4</td><td>Bile salts</td></tr></tbody></table>

Question 38 :
In a lab situation, a student is asked to identify which macromolecule is found in 3 different solutions.<br/>Solution 1 contains a macromolecule that is composed of atoms of carbon, hydrogen, oxygen and nitrogen. It tests positive with&#160;Biuret solution.<br/>Solution 2 contains a macromolecule composed of carbon, hydrogen and oxygen in a 1:2:1 ratio. It tests positive with iodine-potassium&#160;iodide solution.<br/>Solution 3 contains a macromolecule that is composed of atoms of carbon, hydrogen, oxygen, and phosphorus.<br/>Which of these best identifies the macromolecule found in each solution?

Question 39 :
Enzyme, vitamins and hormones can be classified into a single category of biological chemicals, because all of these