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Veld Management Review Plant Parts
Test Description: Veld management covering plant seeds, roots and leaves
Instructions: Answer all questions to get your test result.
1) Sponge-like outgrowth or swelling of the testa. It protects the micropyle and absorbs water during germination (e.g. Ricinus communis).
A
Choleorhiza
B
Caruncle
C
Embryo
D
Coleoptile
2) Protective sheath surrounding the radicle of some Liliidae plants.
A
Chalaza
B
Coleorhiza
C
Curuncle
D
Coleoptile
3) The_________is an immature plant from which a new plant will grow under favorable conditions.
A
Plumula
B
Radicula
C
Cotyledons
D
Embryo
4) A condition of plant seeds that prevents germinating under optimal environmental conditions.
A
Dormancy
B
Hibernating
C
Sleeping
D
Inhibation
5) the epicotyl elongates and forms the hook. In this type of germination, the cotyledons stay underground where they eventually decompose.
A
Dicot germination
B
Monocot germination
C
Hypogeous germination
D
Epigeous germination
6) Ricinus communis (Castor bean)
A
non-endospermous seed
B
Endospermous seeds
C
paper thin testa
D
fleshy cotyledons
7) The organ of a plant that typically lies below the surface of the soil.
A
dicots
B
root
C
seed
D
leaves
8) The growing tip of a root is protected by the __________
A
apicle meristem
B
roots
C
testa
D
calyptra
9) Trees growing in muddy swamps at the mouths of rivers, especially in salt water.
A
Swamp plants
B
Palm trees
C
Thorn trees
D
Mangorves
10) The most common type of root, the primary system, consists of a ____________ that grows vertically downward (positive geotropism).
A
secondary roots system
B
taproot
C
first root system
D
tapedroot
11) In this case the primary root usually has a limited lifespan and it is replaced by____________ ___________.
A
Dicot roots
B
main root
C
side roots
D
adventitious roots
12) Usually refers to a thin, multicellular, hair-like lateral root.
A
Hair root
B
Deep roots
C
Shallow roots
D
Root hair
13) These roots are fleshy and store organic nutrients and water. They usually have relatively limited growth in length.
A
Swollen water roots
B
Root with extra minerals
C
Roots than have expanded vacuoles
D
Roots as storage organs
14) 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
15) Adventitious roots which develop from the stem above the soil surface. They grow downward, reach the soil and support the plant.
A
crampons
B
support roots
C
buttres roots
D
prop roots
16) Root growing away from the light.
A
negative geometry
B
negatively phototropically
C
positive sunlight growth
D
positively phototropically
17) They occur in aerial roots. The calyptra and/or the growing tip is hardened into a thorn-like structure.
A
Thorned roots
B
Root thorn
C
Hardened root adventitious buds
D
Root hairs
18) that side facing away from the central axis, dorsal side, underside of the leaf.
A
adaxial side
B
non of the above
C
apical
D
abaxial side
19) Foliage leaves, vegetative leaves; usually the green leaves of the plant.
A
Diaphyll
B
Cataphyll
C
Hipsophyll
D
Euphyll
20) When a bud is located at the tip a stem
A
adventitious
B
axillary
C
not on the plants
D
terminal
*select an answer for all questions
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