Q0.
(a) Q1. (8×5 = 40)\n Describe water vascular system of sea star and comment upon its utility.\n
(b) Explain in brief parental care in Amphibia.\n
(c) Write note on greenhouse effect.\n
(d) Role of pheromones.\n
(e) Explain honey bee as social insect. Add a note on its economic importance.\n(f) Explain in brief importance of correlation in biostatistics.\n(g) Explain the principle, components and applications of PCR (Polymerase Chain Reaction).