Veld Management Review Plant Parts Question Preview (ID: 36779)

Veld Management Covering Plant Seeds, Roots And Leaves.

Ricinus communis (Castor bean)
a) Endospermous seeds
b) non-endospermous seed
c) fleshy cotyledons
d) paper thin testa

the epicotyl elongates and forms the hook. In this type of germination, the cotyledons stay underground where they eventually decompose.
a) Epigeous germination
b) Hypogeous germination
c) Dicot germination
d) Monocot germination

A condition of plant seeds that prevents germinating under optimal environmental conditions.
a) Sleeping
b) Hibernating
c) Dormancy
d) Inhibation

Protective sheath surrounding the radicle of some Liliidae plants.
a) Chalaza
b) Curuncle
c) Coleoptile
d) Coleorhiza

The_________is an immature plant from which a new plant will grow under favorable conditions.
a) Embryo
b) Radicula
c) Plumula
d) Cotyledons

Sponge-like outgrowth or swelling of the testa. It protects the micropyle and absorbs water during germination (e.g. Ricinus communis).
a) Coleoptile
b) Caruncle
c) Choleorhiza
d) Embryo

The organ of a plant that typically lies below the surface of the soil.
a) root
b) leaves
c) seed
d) dicots

The growing tip of a root is protected by the __________
a) roots
b) apicle meristem
c) calyptra
d) testa

Trees growing in muddy swamps at the mouths of rivers, especially in salt water.
a) Thorn trees
b) Palm trees
c) Mangorves
d) Swamp plants

The most common type of root, the primary system, consists of a ____________ that grows vertically downward (positive geotropism).
a) tapedroot
b) taproot
c) secondary roots system
d) first root system

In this case the primary root usually has a limited lifespan and it is replaced by____________ ___________.
a) main root
b) side roots
c) adventitious roots
d) Dicot roots

Usually refers to a thin, multicellular, hair-like lateral root.
a) Hair root
b) Shallow roots
c) Deep roots
d) Root hair

These roots are fleshy and store organic nutrients and water. They usually have relatively limited growth in length.
a) Swollen water roots
b) Roots as storage organs
c) Root with extra minerals
d) Roots than have expanded vacuoles

These roots fulfill a specialized function above the soil surface. In general they develop from the above soil part of the plant and are thus adventitious roots.
a) aerial roots
b) air roots
c) hanging roots
d) side roots

Adventitious roots which develop from the stem above the soil surface. They grow downward, reach the soil and support the plant.
a) prop roots
b) support roots
c) buttres roots
d) crampons

Root growing away from the light.
a) positively phototropically
b) negative geometry
c) negatively phototropically
d) positive sunlight growth

They occur in aerial roots. The calyptra and/or the growing tip is hardened into a thorn-like structure.
a) Thorned roots
b) Root hairs
c) Hardened root adventitious buds
d) Root thorn

that side facing away from the central axis, dorsal side, underside of the leaf.
a) abaxial side
b) adaxial side
c) apical
d) non of the above

Foliage leaves, vegetative leaves; usually the green leaves of the plant.
a) Cataphyll
b) Hipsophyll
c) Diaphyll
d) Euphyll

When a bud is located at the tip a stem
a) terminal
b) axillary
c) adventitious
d) not on the plants

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