Table of Contents Int. Res. J. Biological Sci., Volume 10, Issue (4), Pages 1-44, November (2021)
Research Paper
1.	Effect of seasons on the bacteriological quality of Iyifeyi stream in Ugwobi Abbi, Enugu State, Nigeria Onuorah Samuel,Ndumdi Dominic (2021). Int. Res. J. Biological Sci., 10(4), 1-11. Abstract
2.	A study on fish diversity in Pullazhi Kole Wetlands of Thrissur, India after the deluge of 2019 Sunil Kumar P.,Sneha A. (2021). Int. Res. J. Biological Sci., 10(4), 12-17. Abstract
3.	Study of maternal care in some spiders of Satlasana, North Gujarat, India B.M. Parmar (2021). Int. Res. J. Biological Sci., 10(4), 18-23. Abstract
4.	Decolourization of bromophenol blue and bromocresol green by laccase enzyme from Brassica oleraceae S. Revathi,Mohsin Taj,N.S. Shalini,Sarina P. Khabade (2021). Int. Res. J. Biological Sci., 10(4), 24-28. Abstract
5.	Optimization of operating conditions for biosorption of chromium by Aspergillus niger isolated from contaminated soil Shobha Shrivastava,Mayuri Gupta (2021). Int. Res. J. Biological Sci., 10(4), 29-33. Abstract
Review Paper
6.	Ethnobotanical studies of Sikkim: a review Bishnu K. Sharma,Ashok K Jain (2021). Int. Res. J. Biological Sci., 10(4), 34-44. Abstract