Saturday, July 24, 2010

Q the general term for the study of the internal structure of plants.

Q 2:A Swiss physician and botanist, ..................., introduced binomial nomenclature into plant taxonomy. He published Pinax theatri botanici in 1596, which was the first to use this convention for naming of species. His criteria for classification included natural relationships, or 'affinities', which in many cases were structural.

Gaspard Bauhin
Marcello Malpighi

Q 3:Click the wrong pair.
Actinomorphic — parts of plants that are radially symmetrical in arrangement.
Assurgent — growth descending.
Caducous — falling away early.

Q 4:Click the wrong pair.
Vernation — the arrangement of leaves, petals or sepals in an opened bud.
Monocarpic — plants that live for a number of years then after flowering and seed set die.
Herbaceous — plants with shoot systems that die back to ground each year — both annual and non-woody perennial plants.

Q 5:Click the wrong pair.
Crown — the place where the roots and stem meet, which may or may not be clearly visible.
Tap — a secondary root that more or less enlarges and grows downward into the soil.
Haustorial — specialized roots that invade other plants and absorb nutrients from those plants.

Q 6:Click the wrong pair.
Acrocarpous — produced at the end of a branch.
Caudex — the hard base produced by herbaceous perennials used to overwinter the plant.
Epidermis-simple tissue

Q 7:Branch of Biology which is concerned with the inter-relationship between plants and animals is called :

Q 8:Click the wrong option.
Corolla is the collective term for petals of a flower taken as a group within the calyx.
The corolla extends from the calyx inwards.
The concept of corolla description is widely used in botany as a primary way to identify vascular plants.

Q 9:Click the wrong option.
Typical flowers have six stamens inside a perianth
The anthers are bilocular, i.e. they have two locules. Each locule contains a microsporangium.
Collectively, the stamens are called an gynoecium

Q 10:Click the wrong option.
The gynoecium forms the mesocarp of fruit.
The structure from which the gynoecium is fashioned is the carpel.
Gynoecia give rise to and protect ovules


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