Class 12 Biology MCQs Chapter – 8
61. Chemically an antibody is :
( A ) Protein
( B ) Lipoprotein
( C ) Lipid
( D ) Nucleoprotein
Answer-( A )
62. Antibody found in colostrum is :
( A ) IgA
( B ) IgG
( C ) IgD
( D ) IgE
Answer-( A )
63. Morphine and opium are got from :
( A ) Cajanus Cajan
( B ) Cannabis sativa
( C ) Papaver somniferum
( D ) Rauwolfia serpentina
Answer-( C )
64. AIDS spreads through:
( A ) Blood transfusion
( B ) Placental transmission
( C ) Sexual intercourse
( D ) All the above
Answer-( D )
65. Resistance against disease is due to :
( A ) Immunoglobulin
( B ) HLA proteins
( C ) Antigens
( D ) Histamine
Answer-( A )
