Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Which structural organization is most common in globular proteins____________?
A: Primary
B: Secondary
C: Tertiary
D: Quaternary
Tertiary
Which of the following does not show quaternary structure____________?
A: Haemoglobin
B: Pepsin
C: Fibrin
D: Insulin
Fibrin
The windpipe or trachea lies?
A: Dorsal to oesophagus
B: Ventral to oesophagus
C: Lateral to oesophagus
D: None of these
None of these
A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
A: Phosphodiester linkage
B: Glycosidic bond
C: Peptide bond
D: Hydrogen bond
Peptide bond
Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
A: Primary structure
B: Secondary structure
C: Tertiary structure
D: Quaternary structure
Primary structure
Locomotory structures are not found in which of the following group?
A: Amoebas
B: Zooflagellates
C: Ciliates
D: Apicomplexans
Apicomplexans
Hemoglobin molecule exhibits which structural organization of proteins___________?
A: Primary structure
B: Secondary structure
C: Tertiary structure
D: Quaternary structure
Quaternary structure
In an aqueous environment the most stable tertiary conformation is that in which _________ amino acids are buried inside the conformation?
A: Hydrophobic
B: Hydrophilic
C: Basic
D: None of these
Hydrophobic