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AARI Institutional Day & World Oceans Day Quiz 2025

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  The Annakkili Amma Research Institute (AARI) was established on June 8, 2016, and inaugurated by Honorable T. Ulagalantha Perumal, father of our Proprietor. Since its inception, AARI has been committed to providing valuable services to students and the research community. Today, as we proudly step into our tenth year of service, we extend our heartfelt gratitude to all who have been part of our journey. Thank you for your continued support! As part of our Institutional Day celebrations & World Ocean Day, we are excited to present the AARI Institutional Day Quiz, 2025. We hope this initiative enhances your understanding and curiosity... All participants who secure more than a 50% score will receive the e-certificate. Your certificate will be shared via google drive after finishing the quiz kindly check your google drive for the certificate, for more query contact - aari2siva@gmail.com... Good Luck Loading… <<<<<< >>>>>>> Link to Q...

The comparison of various types of Woods (Porous Wood Vs Non-Porous Wood; Heartwood Vs Sap Wood ; Springwood Vs Autumn Wood)

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The comparison of various types of Woods Porous wood (Hardwood) Vs Non-porous wood (Softwood) Porous wood (Hardwood) Non-porous wood (Softwood) (i) This wood is found in angiosperms It is found in Gymnosperms. (ii) Vessels are present. Vessels do not present. (iii) This wood is hard. It is soft. (iv) Xylem fibers are present. Xylem fibers are rarely present. (v) Vessels are more in porous wood. Xylem tracheids are dense. (vi) It is also called heteroxylous wood It is called homozygous wood   Duramen (Heart-wood) Vs Alburnum (Sap wood) Duramen (Heart-wood) Alburnum (Sap wood) (i) Duramen wood dark in colour. Alburnum wood light in colour. (ii) This wood does not conduct water. Alburnum wood conducts the entire water. (iii) In this wood, Tyloses are p...

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