Biology Fsc Part 1 Online Test With Answers

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Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 Chemical nature of most cellular secretion is. Proteins Lipids Carbohydrates Glycoproteins
2 Conjugated histone proteins are Structural and Regulatory Structural only Regulatory only Transport proteins
3 Hydrogen bonds between adenine and thymine are. Three Four Five Two
4 80% of total RNA is the cell comprises of. mRNA tRNA rRNA RNA-DNA hybrid
5 The mRNA of the total cell RNA is above 3-4 % 1-2% 2-4% 3-5%
6 Which of the following is not a fibrous proein. Keratin Myocin Fibrin Mormones
7 Number of amino acids in each turn of alpha helix is 3.6 4.6 5.6 6.6
8 The amino acids are mainly different from each other due to the type and nature of. R-Group Amino group Carboxyl group Peptide bond
9 Amino acids are linked to each other by Ester bond Glyosidic bond Peptide bond Hydrophobic bond
10 Keratin is an example of Fibrous protein present in Nails and Hair Blood Muscles Bones
11 the molecule formed by two amino acids is called. Peptide linkage dipeptide Both A and C Peptide bond
12 the most abundant organic compound in mammalian cell Water Lipids Proteins Carbohydrates
13 Helical shape of polypeptide is due to presence within molecule. Covalent bond Hydrogen bond Peptide bond disulphide bond
14 Which of the following is a lipid Chitin Rubber Starch Sucrose
15 ________ is not a terpenoid. Rubber Steroids Terpenes Waxes
16 The melting point of palmitic acid is -8 <sup>o</sup>C 34 <sup>o</sup>C 63.1 <sup>o</sup>C 55.6 <sup>o</sup>C
17 which one of the following is not a lipid. Rubber Chitin Cutin Cholesterol
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