“Only two things are infinite, the universe and human stupidity, and I’m not sure about the former…” Albert Einstein What is science? Ø Definition of science: Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the world. Ø The word ‘science’ is […]
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Polysiphonia: Thallus Structure, Reproduction, Post Fertilization Changes and Life Cycle
Polysiphonia Polysiphonia- Systematic Position Division: Rhodophyta Class: Rhodophyceae Order: Ceramiales Family: Ceramiaceae Distribution of Polysiphonia Ø Polysiphonia is marine red algae belongs to the class Rhodophyceae. Ø They are abundantly present in the Atlantic Coasts of America. Ø Polysiphonia platycarpa is present in the Indian coastal regions. Ø Polysiphonia violacea is […]
Continue ReadingIntroduction to Genetics: Glossary of Genetics Terminologies (Short Notes with PPT)
Genetics Terminologies What is genetics? Ø Genetics: Genetics is the study of Heredity and Variation of Inherited Characters. Ø Heredity: The tendency offspring to resemble their parents is called heredity. Ø Variation: The tendency of offspring to vary from their parents is called variation. Ø The term ‘Genetics’ was coined […]
Continue ReadingICMR JRF Model Question Paper with Answer Key (Part-07)
(1). Which of the following characteristic differentiate lysosome from other cell organelles? a. Lysosome is a micro organelle b. Lysosome is a single membrane bounded organelle c. Lysosomes present only in plants d. All the above (2). The main function of carotenoid in photosynthesis is: a. Light absorption b. Prevention […]
Continue ReadingMendelian Genetics: Monohybrid Inheritance (Example: Plant Height in Pisum sativum)
Monohybrid Cross Monohybrid cross is a type of hybridization experiment which involves the study of the inheritance of one pair of contrasting character. The alleles of contrasting characters selected in the monohybrid cross will show exact Dominance and Recessive relationships. In Mendel’s classical experiment, he studied seven pairs of contrasting […]
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