Microbes-friends & foes-Sanjib Roy for class 8

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3z −fË¡−V¡−S¡u¡ (HL−L¡n£ fË¡¢e)
4z Rœ¡L (HL−L¡n£ J hý−L¡n£)
5z −nšm¡ (HL−L¡n£ J hý−L¡n£)

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6z p¢cÑ-L¡¢n, CegÓ¥−u”¡, hp¿¹, −f¡¢mJ CaÉ¡¢c ¢h¢iæ −l¡N
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3z S£h −c−ql h¡C−l Ss h¡ ¢eÑS£h

1z i¡Cl¡p fË¡e£ J E¢á−cl A−eL j¡l¡aÈL −l¡−Nl SeÉ c¡u£z
2z Vaccinia J Variola i¡Cl¡p kb¡œ²−j Smhp¿¹ J
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