551: Antigen is a substance which
(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody
552: The process of retting in jute is
(a) Purely physical
(b) Purely chemical
(c) Microbiological
(d) Physico-chemical
553: The 45th Amendment to the Indian Constitution relates to:
(a) Minorities Commission
(b) Commission for Scheduled Castes and Scheduled Tribes
(c) Extension of reservation of seats for Scheduled Castes and Scheduled Tribes
(d) None of the above
554: Who among the following was the leader of a number of anti-British revolts in Sambalpur ?
(a) Utirat Singh
(b) Surendra Sai
(c) Kattabomman
(d) Sayyid Ahmad Barelvi
555: Which one of the following statements regarding starch and cellulose is not correct ?
(a) Both of them are of plant origin
(b) Both of them are polymers
(c) Both of them give colour with iodine
(d) Both of them are made up of glucose molecules