saadia Archive

OBJECTIVES OF REPTILES

OBJECTIVES OF REPTILES Multiple Choice Questions MCQs 1. Snakes belongs to: (a) Anapsida            (b) Synapsids      (c)Lepidosauria        (d) Archosauria 2. Therapsid arised from: (a) Lepidosauria     (b) Synapsids      (c) Anapsida               (d) Archosauria 3. Fenestrae is absent in: (a) Anapsida            (b) Synapsids      (c) Archosauria      

SUBJECTIVE QUESTIONS OF REPTILES

SUBJECTIVE  QUESTIONS OF REPTILES Write note on evolution of reptiles. Give the Cladistic and evolutionary interpretation of reptiles. Write note on turtles. Give shell in turtles. Why are turtle getting extinct? Write note tuatara. What is its evolutionary significance? Write note on lizards. Write

Evolutionary Pressures in Reptiles

EVOLUTIONARY PRESSURES IN REPTILES The reptiles have striking adaptations for terrestrial life. Adaptations in Chuckwalla (Sauromalus obesus) It lives in the deserts of  Southwestern United  States. It has following adaptations: (i) Adaptation in summer: It can survive in late summer at temperate above 40

Reptiles – The First Amniotes

REPTILES The First Amniotes EVOLUTIONARY PERSPECTIVE (reptos, to creep) Reptiles were the first vertebrates that possess amniotic eggs. Amniotic eggs have extraembroynic membranes. These membranes performs the following functions: 1. They Protect the embryo from dessication. 2. These support the embryo like cushion. 3.

OBJECTIVES OF AMPHIBIANS

OBJECTIVES OF AMPHIBIANS Multi le Choice Questions MCQs 1. Number of species of order Caudata are: (a)300                          (b) 350                                 (c) 400                               (d) 500 2. Salamander belongs to: (a) Caudata               (b) Gymnophiona                (c) Anura                        (d) None 3. Phenomenon of paedomorphosis is shown by: (a)Newt                         (b)

SUBJECTIVE QUESTIONS IN AMPHIBIANS

SUBJECTIVE QUESTIONS IN AMPHIBIANS Describe phylogenetic relationships of amphibians. How did amnoites and anamniotes lineages evolve? Write note on Salamanders. Write a brief not of  ceacilians. Write note on Anurans. Write a brief not on adaptation in skin of amphibians. Discuss evolutions of axial