How many statements are correct:- (a) The 8th , 9th & 10th pairs of rib do not articulate directly with the vertebral column but join the seventh rib with the help of hyaline cartilage. These are called vertebrochondral (false) ribs. (b) Pivot joint is present between atlas and axis (c) In reptiles , alimentary canal , urinary bladder and reproductive tracts open into a common chamber called cloaca which opens exterior (d) Haplontic life cycle found in many algae such as Volvox , Spirogyra and some species if clamydomonas (1) one (2) two (3) three (4) four
Posted on: Sun, 14 Dec 2014 05:58:43 +0000
Recently Viewed Topics
© 2015