MDCAT Biology Chapter 3 Biological Molecules Online Test With Answers

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MDCAT Biology Chapter 3 Biological Molecules Online Test

Sr. # Questions Answers Choice
1 The amount of DNA in _____ is one half to that of_____: Somatic cells, Germ cells Osteocytes, Somatic cells Germ cells, Somatic cells Somatic cells, Gametocytes
2 Which of the following sugar is abundant in muscle fibres Myoglobin Starch Glycogen Oxygen
3 In a DNA duplex , what will be distance in between two consecutive base pairs: 3.4 Angstrom 34 Angstrom 0.34 Angstrom 340 Angstrom
4 Lipids store double amount of energy as compared to same amount of carbohydrates, because of Higher proportion of C-H bonds Higher proportion of C-N bonds Higher proportion of C-O bonds Lower proportion of C-O-P bonds
5 Which level of protein structure is responsible for maintenance of helix shape of an enzyme Primary Secondary Tertiary Quaternary
6 Pick out the phospholipid from the following Phosphatidylserine Lecithin Phosphatidylcholine All
7 F. Sanger was the first scientist who determined the ___ structure of a protein molecule Primary Secondary Tertiary Quaternary
8 Both Glycoprotein and glycolipids are components of Plant Cell walls Algal Cell Walls Fungal Cell Wall Biological Membranes
9 Highest number of carbons are present in Butyric acid Acetic acid Palmitic acid Oleic acid
10 Which part of amino acid give its physical and chemical properties Amino group Carboxylic group Alpha carbon Alkyl group
11 Insulin is a/an: Osmotic Protein Transport Protein Regulatory Protein Catalytic Protein
12 The next to simplest amino acid is Alanine Glycine Serine Glutamine
13 Secondary structure is the ultimate structural level of which of the following proteins? Trypsin Insulin Keratin Glucose
14 In a phospholipid molecule, fatty acid is attached to the carbon number_____ of glycerol. 1 2 Both 3
15 ______ are important components of brain and plasma membrane: Nucleoproteins Glycolipids Lipoproteins Phospholipids
16 Glycerol, fatty acids and phosphoric acid give rise to: Phospholipid Phosphatidic acid Phosphatidyl choline Phosphatidylethnoline
17 Which of the following is correct option Nucleoside does not contain phosphate Nucleotide has three sub-units Ester bond is present in acylglycerols All
18 Pick up ester bond present in nucleotide P-O-C C-O-C N-O-C S-O-C
19 Pick the odd one Cellulose Galactose Agar<span style="white-space:pre"> </span> Pectin
20 RNA and Proteins are components of Chromosomes<span style="white-space:pre"> </span> Receptors Secretions Ribosome
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