TISSUE ORGANISATION

DIPLOBLASTIC & TRIPTOBLASTIC ORGANISATION

Body Organisation|Organisation In Plants And Animals |What Are Tissues?|Animal VS Tissue Tissues|Meristematic Tissues|OMR

Read the given statements: Statement A: Aristotle classified plants on the basis of habit and habitat. Statement B: Organisms with loose tissue body organisation where placed in Mychota by Copeland.

Assertion : Sponges are multicellular. Reason : Sponges have tissue level of organisation.

Scypha belongs in a group of animals which are best described as I. multicellular without any tissue organisation. II. Mostly marine and having collared cells. IV. Circulatory system constitued by intercommunicating cavities in the body.

Which of the following are correct ? (i) Sponges : Cellular level of organisation (ii) Cnidaria : Tissue level of organisation (iii) Platyheminthes : Organ level of organisation (iv) Annelids, Arthropods, Molluscs, Echinoderms and Chordates : Organ system level of organisation

Assertion :- Coelenterates have tissue grade of organisation. Reason :- In coelenterates the cells performing the same function are arranged into group.

Assertion: For a better understanding of tissue organisation ofroots stems and leaves it is convenient to study the tansverse sections of the matures zones of these organs Reason: The vertical section of a dorisventral leaf through the lamina shows three main parts , namely epidermis, mesophyll and vascular system

Organisation In Plants|Introduction|Plant Tissue - Meristematic And Permanent|Meristematic Tissue - Properties|Meristematic Tissue