Biology Fsc Part 1 Online Test With Answers

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Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 If non protein part is loosely attached to proteins it is known as. Cofactor Co enzyme Active site Holo ezyme
2 Chemical nature of most cellular secretions is. Proteins Lipids Glyco proteins Carbohydrates
3 Conjugated histone proteins are. Structural and Regulatory Structural only Regulatory only Transport proteins
4 Hydrogen bonds between adenine and thymine. Two Four Three Five
5 80% of total RNA in the cell comprises of. mRNA tRNA rRNA RNA -DNA Hybrid
6 The percentage of ribosomal RNA in the cell is. 4% 20% 50% 80%
7 The mRNA of the total cell RNA is about. 3 - 4 % 1 - 2% 2 - 4% 3 - 5 %
8 Which of the following is not a fibrous protein. Keratin My ocin Fibrin Hormones
9 Silk fiber, myosin, fibrin and keratin are examples. Fibrous proteins Tough proteins Oval proteins Globular proteins
10 Number of amino acids in each turn of a helix. is. 3.6 4.6 5.6 6.6
11 Hemoglobin is a Fibrous proteins Coiled proteins Globular proteins double coiled proteins
12 The amino acid are mainly different from each other due to the type and nature of R- group Amino group Carboxyl group Peptide bond
13 Keratin is an example of Fibrous protein present in. Muscles Blood Bones Nails ad Hair
14 The molecule formed by two amino acids called. Peptide linkage Dipeptide Peptide bond Botha a and c
15 The most abundant organic compound mammalian cell. Water Lipids Proteins Carbohydrates
16 Helical shape of polypeptide is due to present within molecule. Covalent bond Hydrogen bond Disulphide bond Peptide bond
17 Which is the following is lipid. Chitin Rubber starch Sucrose
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