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Tag Archives: Biology Class 11

Old Question Paper of Biology 2069 (2012) | Science Grade XI

Evolution and Homology of Man – Zoology | Biology Grade XI

Nervous system of Earthworm (Pheretima posthuma)

External Features (Morphology) of Frog (Rana tigrina)

Digestive system of Frog (Rana tigrina) – Biology

Respiratory System of Frog (Rana tigrina) – Biology

Circulatory, Arterial and Venous System of Frog (Rana tigrina)

Male And Female Urinogenital System of Frog (Rana tigrina)

Sexual and Asexual Reproduction of Paramecium

Mechanism of Reflex Action and Explanation of Taxis

Sources and Effects of Air Pollution

Fifty Important Questions for HSEB Examination form Biodiversity

Structural, Paleontological and Anatomical Evidences of Evolution