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12th notes in hindi

Category: Biology

Posted onJuly 6, 2022inBiology, chemistry

A substance which can act both as an antiseptic and disinfectant is ____ ? (1) aspirin. (2) phenol. (3) analgin. (4) sodium pentothal.

Posted onJuly 6, 2022inBiology, chemistry

Which of the following is not an antipyretic ? (1) Aspirin (2) Paracetamol (3) Barbituric acid (4) Phenacetin

Posted onJuly 6, 2022inBiology, chemistry

Chemically heroin is ______ ? (1) morphinediacetate. (2) morphinemonoacetate. (3) morphinedibenzoate. (4) morphinemonobenzoate.

Posted onJuly 6, 2022inBiology, chemistry

The substances which affect the central nervous system and induce sleep are called _____?

Posted onJuly 6, 2022inBiology, chemistry

Penicillin was first discovered by ______ ? (1) A. Fleming. (2) L. Pasteur. (3) G. Thompson (4) A. Noble.

Posted onJuly 6, 2022inBiology

Antiseptic properties of iodoform are due to the decomposition of _____ ?

Posted onJuly 6, 2022inBiology

Paracetamol is _______ ? (1) both antipyretic and analgesic. (2) only analgesic. (3) only antipyretic. (4) antimicrobial.

Posted onJuly 6, 2022inBiology

पुरुष की सहायक नलिकाओं एवं ग्रन्थियों के प्रमुख कार्य क्या हैं ? male accessory ducts and glands in hindi

Posted onJuly 5, 2022inBiology

शुक्रीय प्रद्रव्य (सेमिनल प्लाज्मा) के प्रमुख संघटक क्या हैं ? Write the components of seminal plasma Class 12

Posted onJuly 5, 2022inBiology

शुक्राणुजनन एवं वीर्यसेचन (स्परमिएशन) की परिभाषा लिखिए। spermiogenesis and spermatogenesis definition in hindi

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