Occurrence and evolution of Pteridophytes Pteridophyta is a group of ancient plants. They formed the dominant part of the earths during Palaeozoic and Mesozoic periods. Majority of Pteridophytes became extinct.…
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.…
Answer of Question of Nutrition & Digestion Q.13a. Describe digestion in a bivalve mollusc. Ans. Digestion in Bivalves Digestion in bivalve molluscs is a coordination of three cycles: (1) Feeding,…
Answer of Question of Nutrition & Digestion Ntroduction All animals require a balanced diet containing both fuels (mainly carbohydrates and ipids), and structural and functional components (proteins, minerals, and vitamins).…
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)…
Fill In Blanks Of Bryophytes 1. The basal swollen portion of the archegonium is called the …………. Algae show isomorphic alternation of generation. But bryophytes show_______ alternation of generation. Asexual…
Multiple Choice Questions of Bryophytes Androcytes give rise to: (a) Androgonia (b) antherozoids (c) Androcytes (d) None Antherozoid mother cells are: (a) Androgonia (b) antherozoids (c) Androcytes (d) None The…
SHORT QUESTIONS OF BRYOPHYTES 1. Give occurrence of bryophytes. Ans: Bryophytes are terrestrial plants. They mostly grow in moist and cold habitats. Some species can grow in dry places. But…
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.…
MODEL SUBJECTIVE QUESTION Of BRYOPHYTES Describe general structure and life cycle of bryophytes. Give classification of bryophyte. Discuss affinities of bryophytes. Discuss different views about the origin of bryophytes. Describe…
abida 
saadia 
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