A substance (low molecular weight protein) produced by host cells in response to viral infection and protect other cells against further viral infection is
Phytotoxin
Antibody
Interferon
Hormone
The atmosphere became oxidising with the appearance of
The golden age of Dinosaurs was in which of the following era
Jurassic period of the Mesozoic era is characterized by
Match List $I$ with List $II$:
List $I$ | List $II$ |
$A$ Mesozoic Era | $I$ Lower invertebrates |
$B$ Proterozoic Era | $II$ Fish and Amphibia |
$C$ Cenozoic Era | $III$ Birds and Reptiles |
$D$ Paleozoic Era | $IV$ Mammals |
Choose the correct answer from the options given below :