Secondary thickening in monocot plants is a rare phenomenon that occurs in only a few species, such as Dracaena, Yucca, and Agave. Unlike most monocots, which exhibit limited or no secondary growth, these plants have the ability to produce new vascular tissues and increase their stem girth over time. Interestingly, […]
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 […]
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 […]
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 […]
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, […]