ICSE Class 10 Human Health and Disease — Mock Test

Free online mock test for Human Health and Disease (ICSE Class 10 Zoology) — 85 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.The proteins produced by B-lymphocytes to fight pathogens are called:
   • A.Antibodies
   • B.Interferons
   • C.Histamines
   • D.Carcinogens
2. 2.![antibody_structure.png]() In the figure the letters S-S appear repeatedly, both between the heavy chains in the central hinge region and between a heavy chain and the light chain on each arm. What do these S-S linkages shown in the figure represent?
   • A.Disulphide bonds holding the polypeptide chains together
   • B.Antigen binding sites of the antibody
   • C.The N-terminal ends of the heavy chains
   • D.Sugar side chains attached to the heavy chain
3. 3.Assertion (A): Cancer cells continue to divide, giving rise to masses of cells called tumors. Reason (R): Cancer cells appear to have lost the property of contact inhibition.
   • A.Both A and R are true and R is the correct explanation of A
   • B.Both A and R are true but R is NOT the correct explanation of A
   • C.A is true but R is false
   • D.A is false but R is true
4. 4.![antibody_structure.png]() The figure shows the structure of an antibody molecule with arrows pointing to the tips of its two arms. What is the structure that these arrows label at the tips of the arms?
   • A.Antigen binding site
   • B.Disulphide bond
   • C.Light chain
   • D.Heavy chain
5. 5.Chronic use of drugs and alcohol damages the nervous system and which organ, leading to cirrhosis?
   • A.Liver
   • B.Kidney
   • C.Lungs
   • D.Spleen