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