Maximum deviation from ideal gas is expected from : (1) H2(g) (2) N2(g) (3) CH2(g) (4) NH3(g)
During seed germination its stored food is mobilized by (a) ABA (b) gibberellin (c) ethylene (d) cytokinin.
Which one of the following is not a correct statement? (a) A museum has collection of photographs of plants and animals. (b) Key is a taxonomic aid for identification of specimens. (c) Herbarium houses dried, pressed and preserved plant specimens. (d) ...