370 Blood groups were discovered by
1). Altmann
2). Landsteiner
3). Losch
4). Ronald Ross
1. Tamarindus indica is the scientific name of ________.
2. The World Athletics Championship 2007 was organized in -
3. Pigmentation of skin is due to
4. The number of pyrenoids in a cell of Spirogyra is
6. Which plants have vascular tissues i.e .xylem and phloem vessel?
7. The age Of trees is determined by its :
8. Chlorophyll was first isolated and named by
9. Locust, Butterfly, Scorpion and Prawn are all examples of which Phylum?