Biological Shapes (from NCERT) POLLEN GRAINS – SPHERICAL NUCLEOLUS – SPHERICAL CENTRIOLE – CYLINDRICAL MITOCHONDRIA – SAUSAGE SHAPE ( CYLINDRICAL) RBC – ROUND AND BICONCAVE MESOPHYLL CELLS – ROUND AND OVAL TRACHEID – ELONGATED COLUMNAR EPITHELIUM – LONG AND NARROW WBCs – AMOEOBOID IRREGULAR NERVE CELLS – LONG AND BRANCHED HENLES LOOP – HAIRPIN SHAPED STOMACH – J SHAPED SPLEEN AND KIDNEY – BEAN SHAPED THYMUS – LOBED BIOLBED PATELLA KNEE CAP – CUP SHAPED BOWMANS CAPSULE – CUP SHAPED HEART – CLENCHED FIST OXYGEN DISSOCIATION CURVE – SIGMOID SHAPE DIAPHRAGM – DOME SHAPED SMOOTH MUSCLES – FUSIFORM SETAE – S SHAPED ROOT HAIRS – THREAD LIKE ROOT CAP – THIMBLE LIKE ( LIKE FINGER ) TONGUE OF FROG – BILOBED VEGETATIVE CELL ( NUCLEUS )- IRREGULAR GENERATIVE CELL – SPINDLE SHAPED OMMATIDIA – HEXAGONAL ANTHER – 4 SIDED TETRAGONAL COTYLEDON – SHIELD SHAPE ARCHEGONIUM –FLASK SHAPED GILLS OF MOLLUSCA – FEATHER LIKE RADULA OF MOLLUSCS – FILE LIKE CHIASMATA X SHAPED TESTIS – OVAL SHAPED UTERUS – INVERTED PEAR SHAPED FIMBRIAE AND CLITORIS – FINGER LIKE VASA RECTA AND HYOID BONE – U SHAPED DUODENUM – C SHAPED VERHULST PEARL LOGISTIC GROWTH CURVE – SIGMOID EXPONENTIAL or GEOMETRIC GROWTH CURVE – J SHAPED 7 STERNUM OF FEMALE COCKROACH – BOAT SHAPED STAY UNMUTED 1.5K viewsedited 06:13