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XI_Biology_Botany_New_Chapter_3_Plant_Kingdom_Challenging_&_Impactful
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XI_Biology_Botany_New_Chapter_3_Plant_Kingdom_Challenging_&_Impactful
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XII Biology_Botany_New Chapter-3_Plant Kingdom [True or False Statement Questions]Sl # Statement [Intro & 3.1 Algae (Chlorophyceae, Phaeophyceae, Rhodophyceae)] True/False
163 Agar is commercially obtained from green algae. FALSE
116 Agar is commercially obtained from red algae, not green algae. FALSE
1 Agar is derived from Gracilaria and used in the preparation of ice-creams and jellies. TRUE
Agar, obtained from algae, is used to grow microbes and in the preparation of ice-creams.
2 TRUE
164 Agar, obtained from Gelidium and Gracilaria, has no use in microbiology. FALSE
Agar, obtained from Gelidium and Gracilaria, is used in food preparation and microbiology.
3 TRUE
4 Algae are autotrophic and possess chlorophyll, making them photosynthetic. TRUE
5 Algae are autotrophic organisms capable of photosynthesis. TRUE
6 Algae are chlorophyll-bearing and largely aquatic organisms. TRUE
Algae are classified into three main classes: Chlorophyceae, Phaeophyceae, and
7 TRUE
Rhodophyceae.
Algae are commonly found in aquatic habitats, including both freshwater and marine
8 TRUE
environments.
117 Algae are commonly found in both freshwater and marine habitats. FALSE
Algae are divided into five main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae,
118 FALSE
Alorophyreae, and Cyanophyceae.
Algae are divided into four main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae, and
119 FALSE
Alorophyreae.
Algae are divided into four main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae, and
196 FALSE
Cyanophyceae.
Algae are divided into four main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae, and
120 FALSE
Polysiphonia.
Algae are divided into three main classes: Chlorophyceae, Phaeophyceae, and Rhodophyceae.
9 TRUE
121 Algae are divided into two main classes: Chlorophyceae and Rhodophyceae. FALSE
Algae are found in both freshwater and marine habitats, making them ecologically diverse.
10 TRUE
125 Algae are mainly found in freshwater habitats, such as rivers and lakes. FALSE
122 Algae are not involved in carbon dioxide fixation on Earth. FALSE
123 Algae are not involved in the food cycles of aquatic animals. FALSE
124 Algae are not useful to humans in any way. FALSE
126 Algae are only found in marine habitats. FALSE
Algae are photosynthetic organisms and play a significant role in carbon dioxide fixation on
11 TRUE
Earth.
Algae are photosynthetic organisms found in various habitats, including aquatic
12 TRUE
environments.
127 Algae are predominantly found in terrestrial habitats. FALSE
193 Algae are primarily terrestrial organisms, occurring only in dry, arid regions. FALSE
13 Algae are primary producers of energy-rich compounds in aquatic ecosystems. TRUE
Algae are significant primary producers in aquatic food cycles, providing energy-rich
14 TRUE
compounds for various aquatic animals.
194 Algae are simple, thalloid, autotrophic, and primarily terrestrial organisms. FALSE
15 Algae can occur in association with fungi (lichen) and animals (e.g., on sloth bear). TRUE
128 Algae can only be found in marine habitats, such as oceans and seas. FALSE
129 Algae can only reproduce asexually through spore production. FALSE
16 Algae can reproduce asexually through the production of flagellated zoospores. TRUE
17 Algae can reproduce sexually by the fusion of two gametes. TRUE
18 Algae can reproduce through vegetative, asexual, and sexual methods. TRUE
1 OF 17 RI_Best Wishes
, XII Biology_Botany_New Chapter-3_Plant Kingdom [True or False Statement Questions]
Sl #Statement [Intro & 3.1 Algae (Chlorophyceae, Phaeophyceae, Rhodophyceae)] True/False
130Algae cannot occur in association with fungi or animals. FALSE
19Algae contribute significantly to oxygen production through photosynthesis. TRUE
165Algae do not occur in association with other organisms such as fungi or animals. FALSE
131Algae do not play a significant role in carbon dioxide fixation on Earth. FALSE
132Algae do not play a significant role in the oxygen production on Earth. FALSE
133Algae have a fixed and uniform form and size. FALSE
Algae have no significant ecological importance and do not contribute to carbon dioxide
134 FALSE
fixation.
20 Algae have rigid cell walls composed of cellulose and pectose. TRUE
Algae increase the level of dissolved oxygen in their environment through photosynthesis.
21 TRUE
22 Algae occur in a variety of habitats, including moist stones, soils, and wood. TRUE
Algae occur in a wide range of habitats, including freshwater, brackish water, and saltwater
23 TRUE
environments.
24 Algae occur in both well-lighted regions and deep oceans, where little light penetrates. TRUE
Algae occur in various aquatic habitats, including both freshwater and marine environments.
25 TRUE
26 Algae play a crucial role as primary producers in aquatic food chains. TRUE
27 Algae play a crucial role in increasing the level of dissolved oxygen in their environment. TRUE
135 Algae play a minor role in carbon dioxide fixation through photosynthesis. FALSE
136 Algae play a minor role in the food cycles of aquatic animals. FALSE
28 Algae play a significant role in providing food to aquatic animals. TRUE
29 Algae play a vital role in carbon dioxide fixation on Earth. TRUE
Algae play a vital role in carbon dioxide fixation through photosynthesis, contributing
30 TRUE
significantly to oxygen production.
31 Algae reproduce asexually by producing motile zoospores. TRUE
Algae reproduce by vegetative, asexual, and sexual methods, including fragmentation and
32 TRUE
zoospores.
137 Algae reproduce only through vegetative methods such as fragmentation. FALSE
138 Algae reproduce sexually by the fusion of two gametes in all species. FALSE
83 Algae reproduce sexually through the fusion of two gametes. TRUE
Algae reproduce through sexual and asexual methods, including fragmentation and
84 TRUE
zoospores.
33 Algae reproduction can be both isogamous and anisogamous. TRUE
139 Algae serve as primary consumers in aquatic food cycles. FALSE
140 Algae serve as primary consumers of energy-rich compounds in aquatic food cycles. FALSE
34 Algae serve as primary producers of energy-rich compounds in aquatic food cycles. TRUE
35 Algae store food as complex carbohydrates, including laminarin or mannitol. TRUE
36 Algae store food in the form of laminarin or mannitol. TRUE
179 Algae store food primarily as mannitol. FALSE
37 Algae that reproduce by fragmentation develop into new thalli. TRUE
141 Algae use chlorophyll a and c as their major photosynthetic pigments. FALSE
38 Algae use isogamous reproduction, where gametes are similar in size. TRUE
Algae, Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms are five groups classified
39 TRUE
under Kingdom Plantae.
Algae's photosynthetic activity increases the level of dissolved oxygen in their environment.
40 TRUE
41 Algae's sexual reproduction can be isogamous, anisogamous, or oogamous. TRUE
42 Algae's sexual reproduction involves the fusion of two similar-sized gametes. TRUE
142 Algae's sexual reproduction is always isogamous, with gametes of equal size. FALSE
2 OF 17 RI_Best Wishes
, XII Biology_Botany_New Chapter-3_Plant Kingdom [True or False Statement Questions]
Sl # Statement [Intro & 3.1 Algae (Chlorophyceae, Phaeophyceae, Rhodophyceae)] True/False
43 Algin and carrageen are hydrocolloids produced by brown and red algae, respectively. TRUE
Algin and carrageen are hydrocolloids produced by marine brown and red algae, respectively.
44 TRUE
143 Algin is a complex carbohydrate found in brown algae, not green algae. FALSE
144 Algin is obtained from green algae and used in commercial products. FALSE
166 Algin, a hydrocolloid, is primarily obtained from red algae and used commercially. FALSE
145 All algae possess chlorophyll a and b. FALSE
146 All algae possess chlorophyll a, while chlorophyll b is found in green algae. FALSE
45 Angiosperms are characterized by the presence of vascular tissues. TRUE
46 Angiosperms are seed-bearing plants with flowers and fruits. TRUE
195 Angiosperms are seedless plants that reproduce by spores. FALSE
147 Artificial classification systems are based on natural affinities among organisms. FALSE
148 Asexual reproduction in brown algae involves the production of non-motile spores. FALSE
47 Asexual reproduction in brown algae occurs through biflagellate zoospores. TRUE
149 Asexual reproduction in brown algae occurs through non-motile spores. FALSE
48 Asexual reproduction in green algae occurs through flagellated zoospores. TRUE
150 Asexual reproduction in green algae occurs through fragmentation. FALSE
49 Brown algae are characterized by the predominance of chlorophyll c. TRUE
151 Brown algae are commonly called red algae due to the presence of r-phycoerythrin. FALSE
Brown algae are commonly known as Phaeophyceae and are primarily found in freshwater
167 FALSE
habitats.
85 Brown algae are mainly found in marine habitats. TRUE
152 Brown algae are predominantly found in freshwater habitats. FALSE
50 Brown algae are predominantly found in marine habitats. TRUE
153 Brown algae are primarily found in freshwater habitats. FALSE
51 Brown algae can grow to towering heights, with some kelps reaching up to 100 meters. TRUE
154 Brown algae can reproduce sexually through isogamy. FALSE
155 Brown algae have a gelatinous coating of cellulose on their outer cell wall. FALSE
156 Brown algae have a green color due to the dominance of chlorophyll b. FALSE
157 Brown algae have chlorophyll a and b as dominant pigments. FALSE
52 Brown algae have chlorophyll a, c, and fucoxanthin, giving them a brown color. TRUE
53 Brown algae have flagellated zoospores for asexual reproduction. TRUE
158 Brown algae have non-flagellated spores for asexual reproduction. FALSE
159 Brown algae have only one type of reproductive spores. FALSE
54 Brown algae may reach a height of up to 100 meters. TRUE
55 Brown algae possess a cellulosic wall covered by a gelatinous coating of algin. TRUE
160 Brown algae possess chlorophyll a, b, and c as their main pigments. FALSE
161 Brown algae possess chlorophyll a, c, and fucoxanthin, giving them an olive-green color. FALSE
162 Brown algae possess pyrenoids within their chloroplasts. FALSE
197 Brown algae possess various pigments, including chlorophyll a and b. FALSE
56 Brown algae reproduce asexually by non-motile spores. TRUE
86 Brown algae reproduce asexually through motile zoospores. TRUE
168 Brown algae reproduce asexually through non-flagellated spores. FALSE
169 Brown algae reproduce asexually through non-motile spores. FALSE
170 Brown algae reproduce only through the production of non-motile spores. FALSE
57 Brown algae reproduce primarily through biflagellate zoospores, not non-motile spores. TRUE
87 Brown algae reproduce sexually through isogamous, anisogamous, or oogamous fusion. TRUE
171 Brown algae reproduce sexually through non-motile spores. FALSE
58 Brown algae reproduce through the production of biflagellate zoospores. TRUE
3 OF 17 RI_Best Wishes
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