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NEET • BIOLOGY • PLANT KINGDOM
Plant kingdom practice · Mixed difficulty
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Showing 151-180 of 401 questions
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151
Hard
151 of 401
Remembering
+4 | -1
An edible rhodophyte is?
View answer and explanation
Correct option: C
Porphyra
Option C (Porphyra) is correct because Porphyra is a red alga that is widely cultivated and consumed as a food source, particularly in East Asia (e.g., nori in sushi).
152
Medium
152 of 401
Application
+4 | -1
How many of the given plants has/have archegonia and produce(s) seeds in their lifecycle? Marchantia, Cedrus, Ginkgo, Funaria, Pinus, Mustard, Sunflower
View answer and explanation
Correct option: B
Three
Option A (Two) is correct. Cedrus, Ginkgo and Pinus have archegonia and produce seeds.
153
Medium
153 of 401
Understanding
+4 | -1
Assertion: Pyrenoids are utilised during
starvation.
Reason: Pyrenoids are proteinaceous bodies.
starvation.
Reason: Pyrenoids are proteinaceous bodies.
View answer and explanation
Correct option: B
If both Assertion and Reason are true but Reason
is not the correct explanation of Assertion
is not the correct explanation of Assertion
Option B (If both Assertion and Reason are true but Reason is not the correct explanation of Assertion) is correct because pyrenoids are proteinaceous bodies that store starch, but their utilization during starvation is not directly explained by them being proteinaceous.
154
Hard
154 of 401
Understanding
+4 | -1
Select the odd one w.r.t. prothallus.
View answer and explanation
Correct option: A
Unicellular
Option A (Unicellular) is correct because prothallus is multicellular, photosynthetic, thalloid gametophyte and free living.
155
Medium
155 of 401
Analyzing
+4 | -1
One of the following is not functionally analogous with others in the group
View answer and explanation
Correct option: C
Antheridium
Option D (Ovule) is correct because oogonium, archegonium, and antheridium are all reproductive structures that produce gametes, while the ovule is the structure that contains the female gamete and develops into a seed.
156
Medium
156 of 401
Understanding
+4 | -1
Which of the following is correct for Cycas reproduction?
View answer and explanation
Correct option: B
Siphonogamy is followed by zooidogamy
Option D (Zooidogamy) is correct because Cycas exhibits zooidogamy, where motile sperm swim to the egg for fertilization. Siphonogamy is not followed by zooidogamy.
157
Easy
157 of 401
Understanding
+4 | -1
All of the following are evolved from progymnosperms except
View answer and explanation
Correct option: B
Conifers
Option D (Dicotyledons) is correct because dicotyledons are angiosperms, and angiosperms evolved separately from progymnosperms, while seed ferns, conifers, and cycads are all related to progymnosperms.
158
Hard
158 of 401
Remembering
+4 | -1
Male and female gametophytes are independent and free-living in
View answer and explanation
Correct option: D
Sphagnum
Option D (Sphagnum) is correct because Sphagnum (a moss) has independent and free-living male and female gametophytes.
159
Hard
159 of 401
Remembering
+4 | -1
Nostoc fixes dinitrogen in symbiotic association with the following
I. Alnus II. Gunnera
III. Anthoceros IV. Casuarina
I. Alnus II. Gunnera
III. Anthoceros IV. Casuarina
View answer and explanation
Correct option: B
II and III
Option B (II and III) is correct because Nostoc forms symbiotic associations with Gunnera and Anthoceros.
160
Easy
160 of 401
Understanding
+4 | -1
Statement I: Isogamous type reproduction present in Spirogyra.
Statement II: In Bryophyte antheridium produce biflagellated antherozoids.
In the light of the above statements, choose the correct answer from the options given below:
Statement II: In Bryophyte antheridium produce biflagellated antherozoids.
In the light of the above statements, choose the correct answer from the options given below:
View answer and explanation
Correct option: D
Both Statement I and Statement II are correct.
Option D (Both Statement I and Statement II are correct) is correct because Spirogyra exhibits isogamous reproduction, and bryophyte antheridia produce biflagellated antherozoids.
161
Easy
161 of 401
Remembering
+4 | -1
In Chlamydomonas, the meiosis occurs in
View answer and explanation
Correct option: B
Zygote
Option B is correct because Chlamydomonas exhibits a haplontic life cycle, where meiosis occurs in the zygote, which is the only diploid stage.
162
Medium
162 of 401
Remembering
+4 | -1
Which of the following plant does not have Rhizobium containing root nodules?
View answer and explanation
Correct option: B
Pinus
Option B (Pinus) is correct because Pinus, a gymnosperm, forms mycorrhizal associations with fungi instead of Rhizobium-containing root nodules.
163
Easy
163 of 401
Remembering
+4 | -1
Linnaean system of classification was based on
View answer and explanation
Correct option: A
Morphology
Option A (Morphology) is correct because the Linnaean system of classification was primarily based on morphological characteristics.
164
Medium
164 of 401
Remembering
+4 | -1
Acetabularia is a
View answer and explanation
Correct option: A
Single-celled marine green alga
Option A (Single-celled marine green alga) is correct because Acetabularia is a large, single-celled green alga found in marine environments.
165
Medium
165 of 401
Remembering
+4 | -1
Life cycle of Ectocarpus and Fucus respectively are
View answer and explanation
Correct option: C
Haplodiplontic, Diplontic
Option C (Haplodiplontic, Diplontic) is correct because Ectocarpus exhibits a haplodiplontic life cycle, while Fucus exhibits a diplontic life cycle.
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166
Medium
166 of 401
Remembering
+4 | -1
In gymnosperm the roots are generally
View answer and explanation
Correct option: C
Tap root
Option C (Tap root) is correct because gymnosperms typically have a well-developed tap root system for anchorage and water absorption.
167
Easy
167 of 401
Remembering
+4 | -1
In addition to chlorophyll a, brown algae posses
View answer and explanation
Correct option: B
chlorophyll c
Option B (chlorophyll c) is correct because brown algae possess chlorophyll a and chlorophyll c, along with fucoxanthin.
168
Medium
168 of 401
Remembering
+4 | -1
Which of the following is /are grouped under phanerogams?
View answer and explanation
Correct option: D
Both (a) and (b)
Option D (Both (a) and (b)) is correct because both angiosperms and gymnosperms are seed-bearing plants and are therefore grouped under phanerogams.
169
Medium
169 of 401
Remembering
+4 | -1
In Chlorophyceae, the mode of sexual reproduction is
View answer and explanation
Correct option: D
All of these
Option D is correct because Chlorophyceae (green algae) exhibit all three types of sexual reproduction: isogamy, anisogamy, and oogamy.
170
Hard
170 of 401
Remembering
+4 | -1
Dominant stage in bryophytes is
View answer and explanation
Correct option: B
Independent gametophyte
Option B (Independent gametophyte) is correct because the gametophyte is the dominant and independent phase in bryophytes.
171
Medium
171 of 401
Analyzing
+4 | -1
Identify the mismatched pair.
View answer and explanation
Correct option: C
Fucus - Floridean starch
Option C is the mismatched pair because Fucus is a brown alga and stores food as laminarin and mannitol, not floridean starch which is characteristic of red algae.
172
Hard
172 of 401
Remembering
+4 | -1
Largest gametophyte is found in
View answer and explanation
Correct option: B
Polytrichum
Option B (Polytrichum) is correct because Polytrichum, a moss, has a relatively large and well-developed gametophyte compared to other plants listed.
173
Medium
173 of 401
Remembering
+4 | -1
Pinus belong to the class
View answer and explanation
Correct option: C
Coniferopsida
Option C is correct because Pinus belongs to the class Coniferopsida, which includes cone-bearing gymnosperms.
174
Medium
174 of 401
Understanding
+4 | -1
Mosses occur in moist place because
View answer and explanation
Correct option: B
Their gamete fuses in water
Option B is correct because mosses require water for fertilization as their motile sperm (antherozoids) need water to swim to the egg (archegonium).
175
Medium
175 of 401
Analyzing
+4 | -1
Consider the following statements
I. Hydropterides are only plant among the heterosporous pteridophytes that are leptosporangiate
II. Heterosporous pteridophytes were the first land flora of earth
III. The difference in size between microspore and megaspore in Seleginella kraussiana is 1:200
IV. Female gametophyte of Seleginella mostly have single archenogium
Which of the above statement are correct?
I. Hydropterides are only plant among the heterosporous pteridophytes that are leptosporangiate
II. Heterosporous pteridophytes were the first land flora of earth
III. The difference in size between microspore and megaspore in Seleginella kraussiana is 1:200
IV. Female gametophyte of Seleginella mostly have single archenogium
Which of the above statement are correct?
View answer and explanation
Correct option: C
I, II and IV
Option C is correct because statements I, II, and IV are accurate descriptions of heterosporous pteridophytes and Selaginella.
176
Easy
176 of 401
Remembering
+4 | -1
The cell wall material is common in
View answer and explanation
Correct option: C
Bacterial & blue green algae
Option C (Bacterial & blue green algae) is correct because both bacteria and blue-green algae (cyanobacteria) have cell walls made of peptidoglycan.
177
Medium
177 of 401
Understanding
+4 | -1
In a moss, the sporophyte
View answer and explanation
Correct option: A
Is partially parasitic on the gametophyte
Option A (Is partially parasitic on the gametophyte) is correct because the sporophyte in mosses depends on the gametophyte for nutrition.
178
Medium
178 of 401
Understanding
+4 | -1
In comparition to pteridophyte, which one of the following algae exhibits diplontic life cycle?
View answer and explanation
Correct option: D
Focus
Option D (Focus) is correct because Focus (a brown alga) exhibits a diplontic life cycle, similar to seed-bearing plants.
179
Medium
179 of 401
Remembering
+4 | -1
In comparition to angiosperm, which one of the following algae exhibits haplo-diplontic life cycle
View answer and explanation
Correct option: C
Ectocarpus
Option C is correct because Ectocarpus, a brown alga, exhibits a haplo-diplontic life cycle, which is intermediate between the haplontic and diplontic life cycles seen in Volvox/Chlamydomonas and Fucus, respectively.
180
Medium
180 of 401
Understanding
+4 | -1
Which one of the following formed in Spirogyra is different based on its nucleus?
View answer and explanation
Correct option: A
Zygospore
Option A (Zygospore) is correct because a zygospore is formed by the fusion of two gametes, involving the fusion of their nuclei, whereas an azygospore develops from a single cell without nuclear fusion.
Revision notes and key takeaways
Review PLANT KINGDOM in your textbook or class notes, then use this set to check your understanding.
Showing 151-180 of 401 questions