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Examination of Chordata

Biology

BIOLOGY PRACTICAL ACTIVITIES

BIOLOGY PRACTICAL ACTIVITIES To examine Bryophyta A mature moss plant is obtained. The specimen is observed using a hand -lens. A labelled drawing showing structures is made: rhizoids, set a capsule, gametophyte, sporophyte. To examine Pteridophyta A mature fern plant is obtained. It is observed using a hand lens. Sori can be seen on the lower side of fronds. A labelled drawing showing: frond, pinna, sorus, rhizome and adventitious roots. To examine Spermatophyta A mature twig of either cypress or pinus with cones is obtained. Observation of Male and female is made using a hand-lens. The naked seeds are noted. The leaves show xerophytic characteristics e.g. they are rolled, or needle-like.   A mature bean plant with pods is obtained, Observation of the leaves, stem and roots is made. Leaves are compound, broad arid have network of veins. The Ieaf-has a leaf stalk. They have a tap root system. Floral… Read More »BIOLOGY PRACTICAL ACTIVITIES

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