Bio-Science Research Bulletin EDITORIAL BOARD Editor-in-chief Prof. M .U. Charaya, Dept. of Botany, C. C. S. University, Meerut (U.P.), India National Editorial Advisory Board Dr. R.C. Patil, Dept. of Microbiology, Bhavan’s College, Andheri (West), Mumbai, Maharastra. D r. Raj Singh, Dept. of Botany, Swami Vivekanand Subharti University, Meerut, UP, India. Dr. S. Lakshmi, Dept. of Math., KN Govt. Arts College for Women, Thanjavur, Tamil Nadu. Prof. Adeel, Bio-physics Lab., Dept. of Physics, Nizam College, Hyderabad, Andhra Pradesh. Prof. D. Subramanyam, Dept. of Botany, Annamalai University, A nnamalai Nagar, Tamil Nadu. Prof. M. Rajeshwara Rao, Dept. of Zoology, S.V. University, Tirupati, Andhra Pradesh. Prof. M.K. Reddy, Dept. of Zoology, Kakatiya University, Warangal, Andhra Pradesh. Prof. M.S. Sastry, Dept. of Zoology, Nagpur University, Nagpur, Maharastra. Prof. R. Nazeer Ahmed, Dept. of Zoology, Karnatak University, Dharwad, Andhra Pradesh. Prof. Ravi Prakash, Dept. of Bio-Science, M.D. University, Rohatak, Haryana. International Editorial A dvisory Board Prof. Japar Sidik Bujang, Dept. of Biology, Putra University, Malaysia. Prof. Barbaros Nalbantoglu, Ataturk Universitesi, Fen-Edibiyat Fak, Biyo Kimya B., Erzurum, Turkey Prof. V ahdettin Bayazit , Dumlu Pinar Universitesi, Biyoloji Bolumu, Zoology Kutahya Turkey. Prof. Imtiaz A hmad, Dept. of Zoology, University of Karachi, Karachi-75270, Pakistan Prof. Ekrem Ataln, Dept. of Biology, Yuzuncu Yil University, Turkey D r. W adlah Backer , P.O.Box 42737, Jaddah, Saudi Arabia Prof. Hasan Ozcelik, Dept. of Biology, Suleyman Demirel University, Isparta, Turkey Prof. Khaled Mohd.Ghanen, Dept. of Botany, Fac. of Sc., Alexandriya University, Alexandriya, Egypt. Dr. Joshue Kayode, Dept. of Plant Science and Technology, Ekiti State University, Ado-Ekii, Nigeria Prof. M.A. Belewu, Dept. of A nimal Production, University of Illorin, Nigeria Dr. Laila A . Hummdi, Dept. of Biology, Science Faculty for Girls, King Abdulaziz University, S.A. M anaging Editor Publication Editor A K Sharma Manoj Kumar Singh Bio-Science Research Bulletin is devoted to the international advancement of organized knowledge on all aspects of Bio-Sciences. It provides a forum for comments by publishing original research contributions, scientific survey, case studies, book review and letter to the Editor-in-Chief. Bio-Science Research Bulletin is issued six monthly, i.e. June and December of every year. The Editor-in- Chief/ Managing Editor/ Editorial Board etc. assumes no responsibility for the statements and opinions advanced by the contributors. The editorial staff in its work of examining papers, received for possible publication is assisted, in an honorary capacity, by a large number of distinguished scientists working in various parts of the world. Bio-Science Research Bulletin is copy-righted. Manuscripts published in this Bulletin should not be reproduced without the written permission of the Editor-in-Chief. Annual Subscription Rates Print version - India Rs. 1500 U.S. $ 80 (For 2017) (visit; www.bpaspublications.com) Print version - India Rs. 2000 U.S. $ 80 (For 2018) (visit; www.bpaspublications.com) Online version (visit; www.indianjournals.com) W ebsite: www.bpaspublications.com; www.indianjournals.com