Vegetatively reproducting structure

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NEET • BIOLOGY • PLANT KINGDOM

Plant kingdom practice · Mixed difficulty

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331 Easy

331 of 401

Remembering +4 | -1

Which of the given is not true for members of Chlorophyceae?

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Correct option: D

Photosynthetic pigments are chlorophyll a and c

Option D is correct because Chlorophyceae members have chlorophyll a and b, not chlorophyll a and c.

332 Easy

332 of 401

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Assertion: Algae increases level of dissolved oxygen
in their immediate environment.
Reason: They show oxygenic photosynthesis

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Correct option: A

If both the assertion and the reason are true and the
reason is a correct explanation of the
assertion

Option A (If both the assertion and the reason are true and the reason is a correct explanation of the assertion) is correct because algae increase dissolved oxygen due to oxygenic photosynthesis.

333 Medium

333 of 401

Understanding +4 | -1

Which of the following statement is true about the sporophytic stage in plant life cycle?

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Correct option: C

Generation that produces the spores

Option C (Generation that produces the spores) is correct because the sporophytic stage is the diploid generation that produces spores through meiosis.

334 Medium

334 of 401

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Storage bodies, pyrenoids in the chloroplast contain

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Correct option: A

Protein and starch

Option A (Protein and starch) is correct because pyrenoids are organelles found in the chloroplasts of algae and contain both protein and starch.

335 Medium

335 of 401

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In Bryophtya, the adult plant body is

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Correct option: D

Gametophyte

Option D (Gametophyte) is correct because the dominant plant body in Bryophytes is the gametophyte, which is the haploid stage.

336 Easy

336 of 401

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Which was first photosynthetic organism?

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Correct option: C

Cyanobacteria

Option C (Cyanobacteria) is correct because cyanobacteria are considered to be the first photosynthetic organisms.

337 Hard

337 of 401

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Botanical name of sanjeevani is:

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Correct option: B

Selaginella bryopteris

Option B (Selaginella bryopteris) is correct because it is the scientifically recognized botanical name for Sanjeevani.

338 Hard

338 of 401

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Sporophytic generation is dominant phase in the life cycle of

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Correct option: B

Ferns

Option B (Ferns) is correct because ferns have a dominant sporophytic generation in their life cycle, with the gametophyte being a small, independent prothallus.

339 Easy

339 of 401

Understanding +4 | -1

Read the given explanation and select the correct option Explanation A: Thallus is simple Body of lower plants Explanation R: An embryo stage is present in thallophytes

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Correct option: A

Only explanation A is correct

Option A is correct because thallophytes are characterized by a simple thallus body, while they lack an embryo stage.

340 Easy

340 of 401

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Which of the following are called vascular cryptogams?

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Correct option: A

Pteridophytes

Option A (Pteridophytes) is correct because they are vascular plants that reproduce via spores (cryptogams).

341 Easy

341 of 401

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Species of Sphagnum, a moss, provides

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Correct option: B

Peat (fuel)

Option B (Peat (fuel)) is correct because Sphagnum moss is well known for forming peat, which is used as fuel.

342 Easy

342 of 401

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Protonema is the juvenile filamentous state in the life cycle of

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Correct option: B

Riccia

Option A (Funaria) is incorrect. The correct answer is Funaria because protonema is the juvenile filamentous state in the life cycle of mosses, and Funaria is a moss.

343 Easy

343 of 401

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Number of Male gametes released from pollen tube into the embryosac is

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Correct option: C

Option C (2) is correct because during fertilization in angiosperms, the pollen tube releases two male gametes into the embryo sac.

344 Hard

344 of 401

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[A]: Rhizophore is considered to be stem structure.

[R]: Rhizophore develops from angle meristem present between the two branches of stem.

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Correct option: A

Both A and R are true and R is the correct explanation of A

Option A (Both A and R are true and R is the correct explanation of A) is correct because Rhizophore is indeed considered a stem structure, and its origin from the angle meristem between stem branches supports this classification.

345 Medium

345 of 401

Understanding +4 | -1

Select the correct pattern of arrangement of reproductive structures of gymnosperms?

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Correct option: B

Spores

\to

Sporangia

\to

Sporophylls

\to

Strobilli

Option B (Spores

\to

Sporangia

\to

Sporophylls

\to

Strobilli) is correct because spores are produced inside sporangia, which are borne on sporophylls, and sporophylls are aggregated into strobili.

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ANIMAL KINGDOM 756 MCQs ANATOMY OF FLOWERING PLANTS 404 MCQs MOLECULAR BASIS OF INHERITANCE 404 MCQs CHEMICAL COORDINATION AND INTEGRATION 387 MCQs PRINCIPLE OF INHERITANCE AND VARIATION 374 MCQs EVOLUTION 362 MCQs

346 Medium

346 of 401

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In Funaria, stomata are present on the

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Correct option: D

Apophysis

Option D (Apophysis) is the correct answer because stomata in Funaria are located on the apophysis of the capsule.

347 Medium

347 of 401

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Which has vascular tissue, produces spores but does not have seeds?

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Correct option: B

Pteridophyta

Option B (Pteridophyta) is correct because pteridophytes possess vascular tissue and reproduce via spores, but lack seeds.

348 Hard

348 of 401

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Which of the following plants are completely Homosporous _______

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Correct option: D

Both 1 and 2

Option D (Both 1 and 2) is correct because both algae and bryophytes can exhibit homospory, where all spores are of the same type.

349 Medium

349 of 401

Understanding +4 | -1

In case of heteroporous pteridophyte the gametophyte is

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Correct option: A

Always dioecious

Option A (Always dioecious) is correct because in heterosporous pteridophytes, the gametophytes are either male or female, hence dioecious.

350 Easy

350 of 401

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Zoospore producing unicellular autotroph is

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Correct option: B

Chylamdomonas

Option B is correct because Chlamydomonas is a unicellular green alga that reproduces asexually by zoospores.

351 Medium

351 of 401

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Identify the Correctly matched pair

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Correct option: B

Diplontic life- Haploid phase is highly reduced cycle

Option B (Diplontic life- Haploid phase is highly reduced cycle) is correct because in a diplontic life cycle, the haploid phase is indeed highly reduced.

352 Medium

352 of 401

Understanding +4 | -1

Moss peat s used as a packing material for sending flowers and live plants to distant places because

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Correct option: B

It is hygroscopic

Option B (It is hygroscopic) is correct because moss peat has a high water-holding capacity (hygroscopic), making it suitable for packing materials to keep plants moist.

353 Easy

353 of 401

Remembering +4 | -1

Foot, seta and capsule are the parts of

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Correct option: C

Sporophyte in bryophytes

Option C is correct because foot, seta, and capsule are the three main parts of the sporophyte generation in bryophytes (mosses, liverworts, and hornworts).

354 Easy

354 of 401

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Chlorophyll-b is found

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Correct option: A

In higher plants and Chlorophyceae

Option A is correct because chlorophyll-b is present in higher plants and Chlorophyceae (green algae).

355 Medium

355 of 401

Understanding +4 | -1

Which of the statement is correct about Marchantia? I. Plant body is thallus-like structures closely attached to substrate II. Sporophyte is differentiated into foot, seta and capsule III. Gemma cup located on the thalli

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Correct option: D

I, II and III

The correct answer is D (I, II and III) because all three statements accurately describe characteristics of Marchantia: its thallus-like plant body, differentiated sporophyte, and gemma cups.

356 Medium

356 of 401

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Phylogenetic system of classification is based upon

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Correct option: A

Evolutionary relationship of organism

Option A (Evolutionary relationship of organism) is correct because phylogenetic classification is based on the evolutionary history and relationships among organisms.

357 Hard

357 of 401

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[A]: A phylogenetic system of classification is also a natural system.

[R]: In both types of classification, plants presumed to be related are grouped together.

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Correct option: A

Both A and R are true and R is the correct explanation of A

Option A (Both A and R are true and R is the correct explanation of A) is correct because a phylogenetic system is a natural system, and both group related plants together based on evolutionary history.

358 Easy

358 of 401

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Archegonium is

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Correct option: A

Female sex organ

Option A (Female sex organ) is correct because archegonium is the female sex organ in bryophytes, pteridophytes, and gymnosperms.

359 Medium

359 of 401

Understanding +4 | -1

In gymnosperm, the leaves are well-adapted to withstand extremes of temperature, humidity and wind. What are the xeric characters in conifers?

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Correct option: D

All of these

Option D (All of these) is correct because needle-like leaves, thick cuticle, and sunken stomata are all adaptations that help conifers survive in harsh environments.

360 Hard

360 of 401

Remembering +4 | -1

Non-flagellated isogamy seen in algae is ______

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Correct option: A

Spirogyra

Option A (Spirogyra) is correct because Spirogyra exhibits isogamy with non-flagellated gametes, where the fusing gametes are similar in size and lack flagella.

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Plant kingdom practice · Mixed difficulty

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