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XII Biology Botany New Chapter-3 Plant Kingdom [True or False Statement Questions]
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XII Biology Botany New Chapter-3 Plant Kingdom [True or False Statement Questions]
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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
1 Agar is commercially obtained from green algae. FALSE
2 Agar is commercially obtained from red algae, not green algae. FALSE
3 Agar is derived from Gracilaria and used in the preparation of ice-creams and jellies. TRUE
4 Agar is derived from red algae and used in the preparation of ice-creams. TRUE
5 Agar, obtained from algae, is used to grow microbes and in the preparation of ice-creams. TRUE
6 Agar, obtained from Gelidium and Gracilaria, has no use in microbiology. FALSE
7 Agar, obtained from Gelidium and Gracilaria, is used in food preparation and microbiology. TRUE
Agar, obtained from Gelidium and Gracilaria, is used in food preparation and to grow
8 TRUE
microbes.
9 Algae are autotrophic and possess chlorophyll, making them photosynthetic. TRUE
10 Algae are autotrophic organisms capable of photosynthesis. TRUE
11 Algae are chlorophyll-bearing and largely aquatic organisms. TRUE
Algae are classified into three main classes: Chlorophyceae, Phaeophyceae, and
12 TRUE
Rhodophyceae.
13 Algae are classified under the Plant Kingdom as chlorophyll-bearing organisms. TRUE
Algae are commonly found in aquatic habitats, including both freshwater and marine
14 TRUE
environments.
15 Algae are commonly found in both freshwater and marine habitats. FALSE
16 Algae are commonly found in freshwater habitats, not exclusively marine environments. FALSE
17 Algae are commonly found in freshwater habitats. FALSE
Algae are divided into five main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae,
18 FALSE
Alorophyreae, and Cyanophyceae.
Algae are divided into four main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae, and
19 FALSE
Alorophyreae.
Algae are divided into four main classes: Chlorophyceae, Phaeophyceae, Rhodophyceae, and
20 FALSE
Polysiphonia.
21 Algae are divided into three main classes: Chlorophyceae, Phaeophyceae, and Rhodophyceae. TRUE
22 Algae are divided into two main classes: Chlorophyceae and Rhodophyceae. FALSE
23 Algae are found in both freshwater and marine habitats, making them ecologically diverse. TRUE
24 Algae are mainly found in freshwater habitats, such as rivers and lakes. FALSE
25 Algae are not involved in carbon dioxide fixation on Earth. FALSE
26 Algae are not involved in the food cycles of aquatic animals. FALSE
27 Algae are not useful to humans in any way. FALSE
28 Algae are only found in marine habitats. FALSE
Algae are photosynthetic organisms and play a significant role in carbon dioxide fixation on
29 TRUE
Earth.
Algae are photosynthetic organisms found in various habitats, including aquatic
30 TRUE
environments.
31 Algae are predominantly found in terrestrial habitats. FALSE
32 Algae are primarily terrestrial organisms, occurring only in dry, arid regions. FALSE
33 Algae are primary producers of energy-rich compounds in aquatic ecosystems. TRUE
Algae are responsible for at least half of the total carbon dioxide fixation through
34 TRUE
photosynthesis on Earth.
Algae are significant primary producers in aquatic food cycles, providing energy-rich
35 TRUE
compounds for various aquatic animals.
36 Algae are simple, thalloid, autotrophic, and primarily terrestrial organisms. FALSE
1 OF 43 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
37 Algae can occur in association with fungi (lichen) and animals (e.g., on sloth bear). TRUE
38 Algae can only be found in marine habitats, such as oceans and seas. FALSE
39 Algae can only reproduce asexually through spore production. FALSE
40 Algae can reproduce asexually through the production of flagellated zoospores. TRUE
41 Algae can reproduce sexually by the fusion of two gametes. TRUE
42 Algae can reproduce through vegetative, asexual, and sexual methods. TRUE
43 Algae cannot occur in association with fungi or animals. FALSE
44 Algae contribute significantly to oxygen production through photosynthesis. TRUE
45 Algae do not occur in association with other organisms such as fungi or animals. FALSE
46 Algae do not play a significant role in carbon dioxide fixation on Earth. FALSE
47 Algae do not play a significant role in the oxygen production on Earth. FALSE
48 Algae have a fixed and uniform form and size. FALSE
Algae have no significant ecological importance and do not contribute to carbon dioxide
49 FALSE
fixation.
50 Algae have rigid cell walls composed of cellulose and pectose. TRUE
51 Algae increase the level of dissolved oxygen in their environment through photosynthesis. TRUE
52 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
53 TRUE
environments.
54 Algae occur in both well-lighted regions and deep oceans, where little light penetrates. TRUE
55 Algae occur in various aquatic habitats, including both freshwater and marine environments. TRUE
56 Algae play a crucial role as primary producers in aquatic food chains. TRUE
57 Algae play a crucial role in increasing the level of dissolved oxygen in their environment. TRUE
58 Algae play a minor role in carbon dioxide fixation through photosynthesis. FALSE
59 Algae play a minor role in the food cycles of aquatic animals. FALSE
60 Algae play a significant role in providing food to aquatic animals. TRUE
61 Algae play a vital role in carbon dioxide fixation on Earth. TRUE
Algae play a vital role in carbon dioxide fixation through photosynthesis, contributing
62 TRUE
significantly to oxygen production.
63 Algae reproduce asexually by producing motile zoospores. TRUE
64 Algae reproduce by vegetative, asexual, and sexual methods. TRUE
65 Algae reproduce only through vegetative methods such as fragmentation. FALSE
66 Algae reproduce sexually by the fusion of two gametes in all species. FALSE
67 Algae reproduce sexually through the fusion of two gametes. TRUE
Algae reproduce through sexual and asexual methods, including fragmentation and
68 TRUE
zoospores.
69 Algae reproduction can be both isogamous and anisogamous. TRUE
70 Algae serve as primary consumers in aquatic food cycles. FALSE
71 Algae serve as primary consumers of energy-rich compounds in aquatic food cycles. FALSE
72 Algae serve as primary producers of energy-rich compounds in aquatic food cycles. TRUE
73 Algae store food as complex carbohydrates, including laminarin or mannitol. TRUE
74 Algae store food in the form of laminarin or mannitol. TRUE
75 Algae that reproduce by fragmentation develop into new thalli. TRUE
76 Algae use chlorophyll a and c as their major photosynthetic pigments. FALSE
77 Algae use isogamous reproduction, where gametes are similar in size. TRUE
Algae, Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms are five groups classified
78 TRUE
under Kingdom Plantae.
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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
79 Algae's photosynthetic activity increases the level of dissolved oxygen in their environment. TRUE
80 Algae's sexual reproduction can be isogamous, anisogamous, or oogamous. TRUE
81 Algae's sexual reproduction involves the fusion of two similar-sized gametes. TRUE
82 Algae's sexual reproduction is always isogamous, with gametes of equal size. FALSE
83 Algae's sexual reproduction is always oogamous, with one large, non-motile female gamete. FALSE
84 Algin and carrageen are hydrocolloids produced by brown and red algae, respectively. TRUE
85 Algin and carrageen are hydrocolloids produced by marine brown and red algae, respectively. TRUE
86 Algin is a complex carbohydrate found in brown algae, not green algae. FALSE
87 Algin is a complex carbohydrate found in green algae. FALSE
88 Algin is obtained from green algae and used in commercial products. FALSE
89 Algin, a hydrocolloid, is primarily obtained from red algae and used commercially. FALSE
90 All algae possess chlorophyll a and b. FALSE
91 All algae possess chlorophyll a, while chlorophyll b is found in green algae. FALSE
92 Angiosperms are characterized by the presence of vascular tissues. TRUE
93 Angiosperms are seed-bearing plants with flowers and fruits. TRUE
94 Angiosperms are seedless plants that reproduce by spores. FALSE
95 Artificial classification systems are based on natural affinities among organisms. FALSE
96 Asexual reproduction in brown algae involves the production of non-motile spores. FALSE
97 Asexual reproduction in brown algae occurs through biflagellate zoospores. TRUE
98 Asexual reproduction in brown algae occurs through non-motile spores. FALSE
99 Asexual reproduction in green algae occurs through flagellated zoospores. TRUE
100 Asexual reproduction in green algae occurs through fragmentation. FALSE
101 Brown algae are characterized by the dominance of chlorophyll a and c. FALSE
102 Brown algae are characterized by the predominance of chlorophyll c. TRUE
103 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
104 FALSE
habitats.
105 Brown algae are mainly found in marine habitats. TRUE
106 Brown algae are predominantly found in freshwater habitats. FALSE
107 Brown algae are predominantly found in marine habitats. TRUE
108 Brown algae are predominantly marine organisms. TRUE
109 Brown algae are primarily found in freshwater habitats. FALSE
110 Brown algae can grow to towering heights, with some kelps reaching up to 100 meters. TRUE
111 Brown algae can reproduce sexually through isogamy. FALSE
112 Brown algae contain chlorophyll a and c as dominant pigments. TRUE
Brown algae exhibit considerable variation in size and form, from simple branched forms to
113 TRUE
towering kelps.
114 Brown algae have a gelatinous coating of cellulose on their outer cell wall. FALSE
115 Brown algae have a green color due to the dominance of chlorophyll b. FALSE
116 Brown algae have a rigid cell wall made of cellulose and algin. TRUE
117 Brown algae have chlorophyll a and b as dominant pigments. FALSE
118 Brown algae have chlorophyll a, c, and fucoxanthin, giving them a brown color. TRUE
119 Brown algae have flagellated zoospores for asexual reproduction. TRUE
120 Brown algae have non-flagellated spores for asexual reproduction. FALSE
121 Brown algae have only one type of reproductive spores. FALSE
122 Brown algae may reach a height of up to 100 meters. TRUE
123 Brown algae possess a cellulosic wall covered by a gelatinous coating of algin. TRUE
3 OF 43 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
124Brown algae possess cellulose and algin in their cell walls. TRUE
125Brown algae possess chlorophyll a, b, and c as their main pigments. FALSE
126Brown algae possess chlorophyll a, c, and fucoxanthin as major pigments. TRUE
127Brown algae possess chlorophyll a, c, and fucoxanthin pigments. TRUE
128Brown algae possess chlorophyll a, c, and fucoxanthin, giving them an olive-green color. FALSE
Brown algae possess chlorophyll a, c, and fucoxanthin, giving them various shades of brown
129 TRUE
color.
130 Brown algae possess chlorophyll a, c, and fucoxanthin, which contribute to their brown color. TRUE
131 Brown algae possess chlorophyll a, c, and fucoxanthin. TRUE
132 Brown algae possess pyrenoids within their chloroplasts. FALSE
133 Brown algae possess various pigments, including chlorophyll a and b. FALSE
134 Brown algae primarily store food as laminarin. FALSE
135 Brown algae reproduce asexually by non-motile spores. TRUE
136 Brown algae reproduce asexually by producing biflagellate zoospores. TRUE
137 Brown algae reproduce asexually through motile zoospores. TRUE
138 Brown algae reproduce asexually through non-flagellated spores. FALSE
139 Brown algae reproduce asexually through non-motile spores. FALSE
140 Brown algae reproduce by fragmentation. TRUE
141 Brown algae reproduce only through the production of non-motile spores. FALSE
142 Brown algae reproduce primarily through biflagellate zoospores, not non-motile spores. TRUE
143 Brown algae reproduce primarily through non-motile spores, not biflagellate zoospores. FALSE
144 Brown algae reproduce sexually through isogamous, anisogamous, or oogamous fusion. TRUE
145 Brown algae reproduce sexually through non-motile spores. FALSE
146 Brown algae reproduce sexually through the fusion of two gametes. TRUE
147 Brown algae reproduce through biflagellate zoospores, not non-motile spores. TRUE
148 Brown algae reproduce through the production of biflagellate zoospores. TRUE
149 Brown algae store food as complex carbohydrates, including laminarin and mannitol. TRUE
150 Brown algae store food as laminarin or mannitol. TRUE
151 Brown algae store food in the form of laminarin or mannitol. TRUE
152 Brown algae store their food as complex carbohydrates, mainly in the form of cellulose. FALSE
153 Brown algae usually have a simple, unbranched form. FALSE
154 Brown algae usually reproduce sexually through anisogamous fusion. TRUE
155 Brown algae's asexual reproduction is primarily through non-flagellated spores. FALSE
156 Bryophytes are plants that do not produce seeds but reproduce by spores. TRUE
157 Bryophytes have roots, stems, and leaves like vascular plants. FALSE
158 Bryophytes possess true vascular tissues for conducting water and nutrients. FALSE
159 Carbon dioxide fixation on Earth is significantly influenced by algae through photosynthesis. TRUE
160 Chlamydomonas, Volvox, and Ulothrix are examples of green algae. TRUE
161 Chlorella is a multicellular alga rich in proteins. FALSE
162 Chlorella is a multicellular alga that is used as a food supplement by space travelers. FALSE
163 Chlorella is a multicellular alga used as a food supplement by space travelers. FALSE
164 Chlorella is a multicellular alga used as a supplement for astronauts. FALSE
165 Chlorella is a unicellular alga used as a food supplement by space travelers. TRUE
166 Chlorella, a unicellular alga, is a rich source of proteins and used as a food supplement. TRUE
167 Chlorella, a unicellular alga, is used as a food supplement by astronauts. TRUE
168 Chlorella, a unicellular alga, is used as a supplement for astronauts. TRUE
169 Chlorophyceae and Phaeophyceae are two classes of algae. TRUE
170 Chlorophyceae are commonly found in marine habitats. FALSE
4 OF 43 RI_Best Wishes
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