Wood is a vital component in many industries, and a comprehensive understanding of its characteristics is crucial for success in any related job. As such, it is not surprising that wood characteristics form a significant portion of job tests in fields such as forestry, carpentry, and wood science. Wood characteristics MCQs are multiple-choice questions that test an individual's knowledge of the properties and behavior of wood. These MCQs can include questions about the anatomy of wood, its physical and mechanical properties, and how it reacts to different environmental conditions. With continued study and practice on the platform of Examtry.com, you'll be on your way to becoming an expert in the wood characteristics in no time.
MCQs under the topic of Characteristics Of Wood covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
1 - _ is denser than __.
late wood, early wood.
2 - _ is used as aesthetic material.
Engineered wood
3 - _ is used as building structural material.
Engineered wood
4 - __ accumulates and form wood:
secondary xylem
5 - __ announced wood could be used to become bone substitute:
Italian scientists
6 - __ are important components of most papers:
wood fiber
7 - __ are mostly made of white willow:
cricket bat
8 - __ are mostly made up of ash wood or hickory:
baseball bat
9 - __ are the elements which give strength and toughness to wood:
fibre
10 - __ burns longer.
hardwood
11 - __ cells have have different morphology from the meristematic cells of the apical meristem:
cambial cells
12 - __ contains files of parenchyma cells:
horizontal/ray system
13 - __ creates less smoke.
hardwood
14 - __ form strip of interfascicular cambium in madullary rays:
parenchyma cell
15 - __ is a particular type of imperfection in a piece of wood.
knot
16 - __ is a wood that as a result of tylosis became more resistant to decay:
heart wood
17 - __ is almost invisible to the unaided eye.
diffuse porous
18 - __ is an important construction material.
wood
19 - __ is commonly used as shuttering material.
wood
20 - __ is excellent for fine furniture crafting.
mahogany
21 - __ is made up of ash wood
baseball bat
22 - __ is made up of hickory:
bseball bat
23 - __ is the outermost wood
sap wood
24 - __ is used as a component of some synthetic materials:
cellulose
25 - __ is used as carvings for millennia:
wood
26 - __ is used as sculptures:
wood
27 - __ is used in laminate flooring:
wood derivatives
28 - __ may be sharply distinct from the sapwood.
heart wood
29 - __ of the bundles is not continuous with adjacent bundles:
vascular cambium
30 - __ term is not derived from any vital importance to the tree.
heart wood
31 - ___ in dicots consists of an axial or vertical system and rays:
secondary xylem
32 - ___ is darker than living wood.
heart wood
33 - ___ is preferred over ___.
hardwood, softwood
34 - ___ is useful for model building .
mahogany
35 - ___ perform physiological activities like conduction of water and nutrients , storage of food etc
sap wood
36 - ___is derived from its position.
heart wood
37 - __are the source of weakness to wood:
vessel
38 - _are source of weakness and __ are source of strength to wood.
vessel, fibre
39 - A dramatic colour difference does not mean a dramatic difference in the __ properties of heartwood and sapwood.
mechanical
40 - A tree can thrive with its heart completely ___.
decayed
41 - A tree increase in diameter by formation of new woody layers between inner bark and existing wood this is called:
secondary growth
42 - A tree increase in diameter by formation of new woody layers between:
existing wood and inner bark
43 - Abnormal ___ of wood often denotes a diseased condition, indicating unsoundness.
discoloration
44 - Abnormal discoloration of wood often denotes a diseased condition, indicating ___.
unsoundness
45 - Adjacent __ cells migrate into the lumens of empty vessels and form outgrowth called tylosis.
parenchyma cell
46 - All are diffused porous wood except:
mulberry
47 - all are ring porous wood except:
willow
48 - All wood in a tree is first formed as:
sap wood
49 - All xylem tracheids and vessels have lost their cytoplasm and cells are functionally dead in:
sap wood
50 - Another major plant group is called wood are the__.
palms
51 - bamboo has considerable ___ importance.
economic
52 - bamboo is a member of __ family.
grass
53 - bamboo is an example of:
monocot
54 - baseball bats are made up of __
A and B both
55 - Black iron wood is the___ wood.
densest
56 - By cell division in the vascular cambium and subsequent expansion of new cells___ takes place:
secondary growth
57 - By formation of new woody layers between the existing wood and inner bark a tree:
increase in diameter
58 - cambial cells have different morphology from the ___ of apical meristem:
meristematic cells
59 - cambial cells have forms:
Two
60 - Cells of dense latewood have very __ cell cavities:
small
61 - cellulose fibres are:
strong
62 - cellulose fibres in wood embedded in:
lignin
63 - cellulose is used as a component of__ material:
synthetic
64 - certain types of musical instruments made up of:
wood
65 - Conduction of water and nutrients is performed by:
sap wood
66 - cricket bats are mostly made up of:
white willow
67 - early wood and late wood are in:
soft wood
68 - Early wood is called:
spring wood
69 - elements of ___ undergo certain morphological changes .
heart wood
70 - elements of heartwood undergo certain:
morphological changes
71 - elements of heartwood undergo deposition of ___ and lignification of their walls
tannins
72 - fascicular cambium is present between phloem and___:
xylem tissue
73 - fascicular cambium is present between xylem and___:
phloem tissue
74 - fat lighter are sold as:
kindling for fire
75 - fat lighter are very ___
flammable
76 - For every tree species there is a range of __ for the wood it yields.
density
77 - Fusiform initial and ray initial are forms of:
cambial cells
78 - greater the density and strength , greater the proportion of__.
late wood
79 - Greater the proportion of__ greater the density and strength.
late wood
80 - Growth can occur in a discrete annual or seasonal pattern, leading to growth __.
Growth rings
81 - Growth ring can be clearly seen on the end of:
Tree
82 - hard woods are not necessarily __.
hard
83 - heart wood is ___ in colour:
black
84 - heart wood is also called:
duramen
85 - Heart wood is filled up of all except:
xylem elements
86 - Horizontal/ray system run radically along the whole length of:
sec. xylem & sec. phloem
87 - If there is __ rapid growth or the wider the rings of growth,the heavier,harder, stronger,and stiffer the wood
more
88 - If there is more rapid growth or the wider the rings of growth,the heavier,harder, stronger,and stiffer the__.
wood
89 - In __ 2010 Italian scientist announced that wood could be used as a bone substitute:
January
90 - In __ Italian scientists announced that wood could be used as a bone substitute but It would take 5 years:
44571
91 - In __ woods the demarcation between rings is not always so clear.
diffuse porous
92 - In a living tree wood transfers water and nutrients to:
B and C
93 - In choosing a piece of pine the principal thing to observe is the comparative amounts of __.
late wood and early wood
94 - In growing tree it is living wood
sap wood
95 - In herbaceous dicots and monocots___ is absent:
secondary growth
96 - In January __ Italian scientists announced that wood could be used as a bone substitute:
2010
97 - In January 2010 Italian scientists announced that wood could be used as a bone substitute but It would take__ years:
5
98 - In reticulate _ thickening form network:
lignin
99 - In ring porous hardwood there is a relation between the rate of growth of timber and its___.
properties
100 - In ring-porous species,the __ are localized in the part of the growth ring formed in spring:
larger vessels
101 - In ring-porous species,the larger vessels or pores are localized in the part of the growth ring formed in:
spring
102 - knot affect the__ properties of a wood
technical
103 - knot is a particular type of __ in a piece of wood:
imperfection
104 - knots may be exploited for__.
artistic effect
105 - late wood is __ than early wood:
denser
106 - Late wood is also called:
summer wood
107 - lumber is also called as__
felled
108 - Mahogany is a medium -___ hardwood.
density
109 - Mahogany is a medium -dense ___.
hard wood
110 - Major central non functional part forms the:
heart wood
111 - Many types of sports equipment were constructed of:
wood
112 - Margins of multiseriate rays are always:
one cell wide
113 - Narrow peripheral part of secondary xylem is called
sap wood
114 - New domestic housing in many parts of the world today is commonly made from __ framed construction.
timber
115 - Of much__ importance are plants such as pandanus,Dracaena and Cordyline.
less
116 - On the basis of types of growth rings wood is divided into how many types:
2
117 - once heart wood formation is complete the heart wood is__.
dead
118 - Outer region of old trees is called:
sap wood
119 - pores are evenly sized in:
diffused porous wood
120 - pores are not small or large but are evenly sized in:
diffused porous wood
121 - Ray initials are found in:
vertical rows
122 - resins increases the strength when wood is__.
dry
123 - resins saturated heartwood is called __.
fat lighter
124 - Ring produced in summer composed of __ proportion of wood fibres:
greater
125 - sap wood consist of:
xylem elements
126 - sap wood is __ in colour:
light
127 - Sap wood is also called __.
alburnum
128 - sapwood is the __ wood.
younger
129 - secondary growth includes the formation of secondary vascular tissue and:
Periderm
130 - secondary growth includes the formation of ___:
secondary vascular tissue
131 - secondary growth increases the:
vascular tissue
132 - secondary growth is absent in:
A and B
133 - secondary growth is common in:
gymnosperms
134 - secondary growth takes place by cell division in subsequent expansion of new cells and____:
vascular cambium
135 - secondary growth takes place by cell division in vascular cambium and____:
subsequent expansion of new cell
136 - secondary growth takes place by:
cell division
137 - secondary xylem and phloem is formed by:
vascular cambium
138 - Secondary xylem are produced towards the___:
inner side
139 - soft woods are not necessarily __.
soft
140 - some experiments on very resinous longleaf pine specimens indicate an increase in strength due to__.
tannins
141 - some softwood(e.g. yew) are harder than many ___.
hardwood
142 - some species begin to form ___ very early in life so they have only a thin layer of live ____.
heart wood , sap wood
143 - some species begin to form ___ very early in life so they have only a thin layer of live sapwood
heart wood
144 - some species begin to form ___ very early in life.
heart wood
145 - some structural material roughly resembles ordinary,dicot or conifer wood.These are produced by a number of __ plants.
monocot
146 - some structural material roughly resembles ordinary,dicot or conifer wood.These are produced by a number of monocot plants.Also called _.
wood
147 - sometimes trees grown in the open may become of considerable size of __cm or more
30
148 - species which show distinct difference between heartwood and sapwood,have natural colour of ___ darker than that of ___.
heart wood, sapwood.
149 - Spring wood is called:
Early wood
150 - storage of food is performed by:
sap wood
151 - strip of fascicular and interfascicular cambium form __:
vascular cambium
152 - strip of fascicular and interfascicular cambium form vascular cambium which further form:
A and B
153 - structure build of fat lighter are not attacked by__.
termites
154 - Summer wood is also called:
Late wood
155 - The __ and nature of latewood in the ring is important but the width of ring is not important.
proportion
156 - The __ and nature of latewood in the ring is important.
proportion
157 - The __ cells of the medullary rays are present in between the fascicular cambium
parenchyma cell
158 - The __ contents make the wood softer.
water
159 - The __ of ring is not nearly important as the proportion and nature of the latewood in the ring
width
160 - The __ of ring is not nearly important:
width
161 - The ___ check inwestern hemlock is the result of insect attacks.
black
162 - The _dried wood also retains a small percentage of moisture.
oven
163 - The black check in western hemlock is the result of ___ attack
insect
164 - The cambial cells are highly__:
vacuolated
165 - The cells in wood are mostly of __ kinds, tracheids:
one kind
166 - The cells of __ latewood are thick walled:
dense
167 - The cells of dense latewood are __ walled:
thick
168 - The central region of the old trees is called:
heart wood
169 - The derivates of fusiform initials towards the inner side differentiate into:
secondary xylem
170 - The derivates of fusiform initials towards the outer side differentiate into:
secondary phloem
171 - The derivative of __ give rise to rays:
ray initial
172 - The greater the __ content,the greater its softening effects.
water
173 - The greater the water content,the greater its __effect.
softening
174 - The more leaves a tree bears and the more vigorous its growth, the larger the volume of ___ required:
sap wood
175 - The narrow peripheral functional part of secondary xylem is called:
sap wood
176 - The oven-dried wood also retains a small percentage of__.
moisture
177 - The principal functions are to conduct water from roots to the leaves.
sap wood
178 - The rest of ring, produced in summer, is made up of __ vessels:
smaller vessels
179 - The rest of ring, produced in___, is made up of smaller vessels:
summer
180 - The stem increases in thickness by:
secondary growth
181 - The strength is in the __ not the cavities:
walls, cavities
182 - The structure of__ is more complex.
hardwood
183 - The vascular cambium of the bundles is __ with adjacent bundles:
not continuous
184 - The water conducting capability is depends on __.
vessels
185 - The water contents make the wood _.
softer
186 - The well known balsa( a hardwood) is actually softer than any commercial ___.
softwood
187 - The wood formed first in the season have _ cavities:
large
188 - The wood formed first in the season have _ walls:
thin
189 - The wood from broad -leaved trees is called
hardwood
190 - The wood from conifers is called:
soft wood
191 - The wood from dicotyledons (usually broad -leaved trees e.g. oak is called _
hard wood
192 - The wood from dicotyledons is called:
hardwood
193 - The wood from oak is called:
hardwood
194 - The wood from pine is called:
soft wood
195 - There are no __ in coniferous wood .
vessels
196 - There are no vessels in __ wood but sees prominently in __
coniferous, ash
197 - There are no vessels or pores in __ wood:
coniferous wood
198 - There is a __ relationship between the properties of wood and the properties of particular tree that yielded it:
strong
199 - There is a__ correlation between density of a wood and its strength.
rough
200 - These xylems have vessels,some tracheids, fibres and axial parenchyma:
Axial/vertical system
201 - Thick sapwood is the characteristics of all except:
Osage -orange
202 - Thick sapwood is the characteristics of:
All
203 - thickness of stem increases by:
secondary growth
204 - Thin sap wood is the characteristics of species all except:
hickory
205 - Thin sap wood is the characteristics of species such as:
All
206 - totem poles carved by North American indigenous people from conifer trunk made up of:
wood
207 - Trees grown in open become of 30cm before the formation of __.
sap wood
208 - Trees making rapid growth in the open have thicker __ for their size than growing in dense forest.
sap wood
209 - Trees making rapid growth in the open have thicker __ for their size.
sap wood
210 - vascular tissue is increased by:
secondary growth
211 - vessels are not plugged with tyloses in:
sap wood
212 - Vessels are plugged with tyloses in:
heart wood
213 - vessels are quite large and distinct in:
oak
214 - vessels are quite large in all except:
willow
215 - vessels are small in all except:
chestnut
216 - vessels are too small in:
buckeye
217 - water conducting capability is not collected in a band or row:
diffused porous wood
218 - water conducting capability is scattered throughout the growth ring in:
diffused porous wood
219 - what is present between xylem and phloem tissues:
fascicular cambium
220 - when there is no seasonal difference growth rings may be:
absent
221 - which cambial cells are many times longer than broad and have narrow pointed ends:
fusiform initial
222 - which cambial cells are many times longer than broad?
fusiform initial
223 - which cells are nearly isodiametric?
ray initial
224 - which cells are rectangular in transverse section?
fusiform initial
225 - which gives the mechanical support to the stem:
heart wood
226 - which growth is common in gymnosperms and woody dicots:
secondary growth
227 - which growth is common in gymnosperms:
secondary growth
228 - which growth is common in woody dicots:
secondary growth
229 - which has a support function:
wood
230 - which is hard and durable:
heart wood
231 - which is not hard and durable:
sap wood
232 - which musical instruments are made up of wood:
all
233 - which of the following is in the composition of wood:
both
234 - which of the following is not the characteristic of wood:
soft
235 - which of the following is wedge like?
fusiform initial
236 - which one is diffused porous wood:
maple
237 - which one is hard wood:
balsa
238 - which one is not diffused porous wood:
catalpa
239 - which one is ring porous species:
ash
240 - which one is soft wood:
yew
241 - which one is uniseriate or multiseriate:
Ray system
242 - which one of the following is highly vacuolated:
cambial cells
243 - which pair is from intermediate group:
walnut and cherry
244 - within the knot the direction of grain is up to __ degrees:
90
245 - wood contains hemicellulose:
15-25%
246 - wood contains lignin:
15-30%
247 - wood contains microfibrils of cellulose:
40-50%
248 - wood deteriorate in the presence of certain __:
chemical
249 - wood fibres are important component of most__.
paper
250 - wood has a long history of being used as a__.
fuel
251 - wood has following uses:
All
252 - Wood has how many parts:
2
253 - wood helps woody plant in:
All
254 - wood is __ material.
hygroscopic
255 - wood is composed of:
natural cellulose composite
256 - wood is produced as:
secondary xylem
257 - wood is produced in:
stem
258 - wood is specially used in :
All
259 - wood is used extensively in:
all
260 - wood is used for:
both
261 - wood is used in:
all
262 - wood is used specially in __ construction.
roof
263 - wood is yielded by:
trees
264 - wood is:
cellular
265 - wood is__
heterogeneous
266 - wood show characters:
anisotropic
267 - wood that is thoroughly air-__ retains from 8-16% of water in the cell walls.
dried
268 - wood that is thoroughly air-dried retains from __% of water in the cell walls.
eight to sixteen
269 - wood to be used for construction work is commonly known as lumber in __ America:
North
270 - wood to be used for construction work is commonly known as:
lumber
271 - wood transfers nutrients in:
living tree
272 - wood transfers:
A and B
273 - wood unsuitable for construction is broken down into:
all
274 - wood unsuitable for construction is broken down __ into fibres and wood and __ into cellulose:
mechanically, chemically
275 - wood unsuitable for construction is broken down __.
mechanically
276 - wood will __ in the presence of certain chemicals.
not deteriorate
277 - woods are divided into __ large classes:
2
278 - woody plants reach larger size with the help of:
wood
279 - woody plants stand up for themselves with the help of:
wood
280 - xylophone and the marimba are made mostly entire of:
wood
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