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Cockroach Comparative Study

December 18, 2018 MADHAVAKRISHNA ACADEMY 0

Cockroach show characteristic features in segmentation, symmentry and body organization. Itsscientific name is Periplaneta americana.Morphology – Body is covered with hard chitinous exoskeleton. Size about 25 to 45 mm long cmand 8 to 12 broad found all over the world colour varies. Body is divisible into three regions. Head,thorax, abdomen. […]

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Morphology of Plants

December 18, 2018 MADHAVAKRISHNA ACADEMY 0

Flowering plants are the most dominant plants of the earth, exhibit some variations inmorphology, possess well-developed shoot and root systems, which is positively geotropic andhydrotropic and negatively phototropic, and develops from radical. Dicot plants have tap root systemand monocots have fibrous root system. Roots help in fixation of plant in […]

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Animal Tissue

December 18, 2018 MADHAVAKRISHNA ACADEMY 0

Tissue is the group of cells having similar structure & function. Animals contain 4 basic types oftissues which are :- epithelial tissue, connective tissue, muscular tissue and nervous tissue. Epithelialtissue can be derived from any of the three germinal layers. Epithelial tissues are of different types suchas : Squamous, cuboidal, […]

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Plant Anatomy Plant Tissues

December 18, 2018 MADHAVAKRISHNA ACADEMY 0

The plant body is made up of cells.cells are organized to form tissues,tissue system and organs in a seqential organization. Study of the internal strctural organization of plant organs is known as plant anatomy. Two groups of the angiosperms i.e.Dicot and monocot show different anatomical composition. Tissue : Tissue is […]