What are Caytoniales? Ø Caytoniales were a small group of extinct Gymnospermic plants. Ø First described by Hamshaw Thomas in 1925 from the late Triassic period. Ø Caytonia is a berry-like cupules with numerous small seeds. Examples of Caytoniales Ø Leaves: Sagenopteris Ø Microsporophylls: Caytonanthus Ø Megasporophylls: Caytonia and Gristhorpia […]
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Glossopteridales and Glossopteris- General Characteristics
Glossopteridales and Glossopteris Ø Glossopteridales included an extinct group of seed plants (Gymnosperms). Ø They were originated during the Permian period on the Gondwana Continent. Ø They became the dominant vegetation in the Permian period. Ø They extinct completely by the end of the Triassic period. Ø The order name […]
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Life Sciences JRF NET Model Question Paper (Mock Test 25)
Welcome to CSIR NET Online Mock Test 25. 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 […]
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MCQ on Molecular Biology Techniques
Dear Students, Welcome to Biophysics MCQ-02 (MCQ on Molecular Biology Techniques). This MCQ set consists of Biophysics and Instrumentation Multiple Choice Questions from the topic Biological Techniques and Instrumentation. These questions can be used for the preparation of all the competitive examinations in Biology / Life Sciences such as NEET, […]
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