O Level Biology Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The highly branched structure of glucose units results in

1. starch
2. glycogen
3. cellulose
4. galactose

MCQ 2: In microorganisms, Fungi have

1. an efficient digestive system
2. extracellular digestion
3. vasoconstriction
4. ventral root

MCQ 3: Formation of a local blood clot in an artery is called as

1. thrombin
2. thrombosis
3. prothrombin
4. thrombokinase

MCQ 4: Polypeptides are converted into amino acids through

1. pepsin
2. trypsin
3. erepsin
4. rennin

MCQ 5: In transportation of mammals, median septum

1. allows exchange of blood between right and left atrium
2. allows exchange of blood between right and left ventricle
3. is a semi-permeable membrane
4. completely separates the right and left sides of the heart