Pteridospermales PPT: What are Pteridospermales or Cycadofilicales? Geological Horizon / Origin of Pteridospermales, Who Discovered Pteridospermales? What are the Characteristics of Pteridospermales, Morphology of Pteridospermales, Anatomy of Pteridospermales, Reproduction of Pteridospermales, Classification of Pteridospermales, Affinities of Pteridospermales, Examples of Pteridospermales, Similarities between Pteridospermales and Pteridophytes (Ferns), Similarities between Pteridospermales and Cycadales. Learn more: Note on […]
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Pteridospermales (Cycadofilicales) Characters, Classification and Affinities
Cycadofilicales / Pteridospermales Ø Pteridospermales are a group of Fossil Gymnosperms. Ø They are also called as Cycadofilicales (Chamberlain used the term). Ø As the name suggests, they are the ‘Seed Ferns’. Ø They are Gymnosperms with ‘Fern-like’ leaves which produce ‘Seeds’. The Reconstruction of a Pteridospermales Member. Note the Erect Stem, Fern Like Leaves, […]
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MCQ on Cell Organelles
Dear Students, Welcome to Cell Biology / Cytology MCQ-04 (MCQ on Cell Organelles). This MCQ set consists of Cell Biology / Cytology Multiple Choice Questions from the topic Cell Organelles: Structure and Functions with Answer Key. These questions can be used for the preparation of all the competitive examinations in Biology / Life Sciences such […]
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Difference between Pteridophytes and Gymnosperms
Pteridophytes vs Gymnosperms Pteridophytes Pteridophytes are a group of primitive land plants belongs to Cryptogams. They are the first plant group with vascular tissue for the conduction of water and food materials and hence they are called as Vascular Cryptogams. Gymnosperms Gymnosperms are a group of primitive seed-producing plants of Spermatophytes (Phanerogams). They are ‘Naked-Seed’ […]
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NET Life Science Model Question Paper 21 (December)
Welcome to CSIR NET Online Mock Test 21. This test is for the preparation of CSIR NET Life Sciences Examination. It Consists of 15 MCQ Questions in Online Test format. Once you finish the test, please click ‘SUBMIT‘ button to see your ‘SCORE‘ and ‘CORRECT ANSWERS‘. You may contact Admin if you find any mistakes in […]
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