Hamad Biology Mcqs 21/12/2021 A. Primary wall B. Secondary wall C. Middle lamella D. all of the above Related Mcqs: According to modern system of taxonomy, living organisms have been classified into?A. Three Kingdoms B. Five Kingdoms C. Two Kingdoms D. Six Kingdoms... Single circuit heart is found in_________?A. Fishes B. Amphibians C. Reptiles D. Mammals... Production of pyrogens is a __________ phenomenon?A. Protective B. Destructive C. Constructive D. Aggressive... Sub- phylum vertebrate is also known as__________?A. Pisces B. Craniata C. Aves D. Amphibia... Chitin in cockroach is absent in____________?A. Epicuticle B. Exocuticle C. Endocuticle D. All of these...
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