IAS 1997 — Technology

Which one of the following conditions is most relevant for the presence of life on Mars?

The group of small pieces of rock revolving round the sun between the orbits of Mars and Jupiter are called:

Antigen is a substance which

The tail of a comet is directed away from the sun because:

Match List-I with List-II and select the correct answer by using the codes given below: | List-I | | List-II A. | Malaria | 1. | Bone marrow B. | Filaria | 2. | Brain C. | Encephalitis | 3. | Muscle D. | Leukaemia | 4. | Lymph node | | 5. | Blood cells A B C D