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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 851. |
The sporophyte is attached to the gametophyte inA. algaeB. fungiC. bryophytesD. pteridophytes. |
| Answer» Correct Answer - C | |
| 852. |
Aquatic weed Salvinia, also called the sorrow of Kashmir, isA. Heterosporous water fernB. Homosporous water fernC. Memberof bryophyteD. Both (1) and (3) |
| Answer» Correct Answer - A | |
| 853. |
The sporophyte of the bryophyte is totally or partially dependent on the gametophyte for itsA. AnchorageB. NutritionC. ReproductionD. Both A and B |
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Answer» Correct Answer - D The sporophyte of the bryophyte is totally or partially dependent on the gametophyte for its anchorage and nutrition. |
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| 854. |
Mitospores are totally absent inA. ChlorophyceaeB. PhaeophyceaeC. FungiD. Bryophytes |
| Answer» Correct Answer - D | |
| 855. |
Mitospores are totally absent inA. Maiden hair mossB. Irish mossC. Reindeer mossD. All of these |
| Answer» Correct Answer - A | |
| 856. |
The life cycle of cord moss isA. HaplonticB. Haplo-diplonticC. DiplonticD. Haplo-haplontic |
| Answer» Correct Answer - B | |
| 857. |
In bryophytes and and pteridophytes, transport of male gametes requiresA. WindB. InsectsC. BirdsD. Water |
| Answer» Correct Answer - d | |
| 858. |
Which group of plantae represents gametophytic plant body with dependent sporophyte?A. Algae and bryophytesB. Bryophytes and pteridophytesC. Liverworts and mossesD. Ferns and cycades |
| Answer» Correct Answer - C | |
| 859. |
Name a plant which is commonly called "sago palm". |
| Answer» Cycas revoluta. | |
| 860. |
Cycas has two cotyledons but not included in angiosperms because ofA. naked ovulesB. seems like monocotC. circinate ptyxisD. compound leaves |
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Answer» Correct Answer - A (a) Gymnosperms (Gk. Gymnos-naked, sperma-seed e.g. Naked plants) is a group of phanerogams which have naked ovules, i.e. structure (ovules) that eventually become the seeds after fertilisationn and not completely enclosed by the tissues of the parent individual. |
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| 861. |
Meisis (reduction division) in Funaria occurs inA. EggB. ZygoteC. AntherozoidsD. Spore mother cells |
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Answer» Correct Answer - d Meiosis takes place in spore mother cells which results four haploid spores are formed. |
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| 862. |
Number of cotyledons in Zea, Cycas and Pinus respectively areA. 1,1, manyB. 1,2,1C. 1,1,1D. 1,2 many |
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Answer» Correct Answer - d Zea is monocoat, Cycac have two and Pinus have many cotyledons in their embryo |
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| 863. |
Each cell of volvox colony has a structure similar toA. ulothrixB. SpirogyraC. ChlamydomonasD. Nostoc. |
| Answer» Correct Answer - C | |
| 864. |
Name the group of plants is called vascular cryptogams |
| Answer» Pteridophytes. | |
| 865. |
Pteridophytes are called vascular cryptogams as they are non-seeded plants containingA. Only xylemB. Only phloemC. Neither xylem nor phloemD. Xylem and phloem |
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Answer» Correct Answer - D Pteridophytes are called vascular cryptogames as they are non-seeded plants containing xylem and phloem. |
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| 866. |
All algae have two photosynthetic pigments in commonA. Chlorophyll-a and chlorophyll-bB. Chlorophyll-b and carotenesC. Chlorophyll-a and carotenesD. Phycobilins and carotenes |
| Answer» Correct Answer - C | |
| 867. |
The "seaweeds" that for the under water forest areA. kelpsB. LaminariaC. MacrocysticD. all of these. |
| Answer» Correct Answer - D | |
| 868. |
In Ulothrix, the cell containsA. A chloroplast with many pyrenoidsB. A chloroplast with few pyrenoidsC. A few chloroplasta with few pyrenoidsD. Many chloroplasts with few pyrenoids |
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Answer» Correct Answer - b Chloroplast contains few pyrenoids (1-3) for starch storage. |
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| 869. |
Ulothrix isA. Attached unbrached filamentB. Attached branched filamentC. Colonial algaD. Free floating |
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Answer» Correct Answer - a Ulothrix is unbranched filament and attached to stone and submerged bodies (fixed floating). |
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| 870. |
Seaweeds are a source ofA. chlorineB. fluorineC. bromineD. iodine. |
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Answer» Correct Answer - D Seaweeds are rich in menerals such as iodine calcium sodium, magnesium,potassium, iron, zinc, copper. Seaweeds also provide fibre, vitamins, enzyme and high quality protein. |
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| 871. |
Major photosynthetic pigments in green algae areA. Chl and a and bB. Chl a,c and fucoxanthinC. Chl a,d and phycoerythrinD. Chl a and c. |
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Answer» Correct Answer - A Major photosynthetic pigments in green algae are chlorophyll a and b. |
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| 872. |
Brown hair found at the base of Pteris leaves areA. ModifiedB. Modified leadfletsC. RamentaD. Spines |
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Answer» Correct Answer - c Younger parts of leaves and rhizome are surrounded by brown hairy structures called scales (reamenta). |
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| 873. |
A dominant, independent, photosynthetic, thalloid or erect phase is represented by a haploid gametophyte and it alternates with the short-lived multicellular sporophyte totally or partially dependent on the gametophyte for its anchorage and nutrition. This type of pattern is present inA. Bryophytes (mosses and liverworts)B. Pteridophytes (ferns and horsetails)C. Gymnosperms (Cycas and Pinus)D. Most of the algae (Ulothrix and Spirogyra) |
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Answer» Correct Answer - A A dominant, independent, photosynthetic, thalloid or erect phase is represented by a haploid gametophyte and it alternates with the short-lived multicellular sporophyte totally or partially dependent on the gametophyte for its encourage and nutrition. This type of pattern is present in bryophytes (mosses, liverwords). |
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| 874. |
The cell wall of brown algae is made up ofA. Cellulose and chitinB. Cellulose and peptidoglycanC. Cellulose and alginD. Cellulose and starch |
| Answer» Correct Answer - C | |
| 875. |
Indian species of Spirogyra in which Prof. lyengar discovered direct lateral conjugation isA. Spirogyra sahniiB. Spirogyra indicaC. Spirogyra jogensisD. Spirogyra karnlae |
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Answer» Correct Answer - c Lyenger (1958) reported direct lateral conjugation in Spirogyra jogensis. |
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| 876. |
Hundred zygospores alternate with empty cells in Spirogyra in conjugation. The total number of daughter filaments formed will beA. Scalariform, 400B. Lateral, 100C. Lateral, 400D. Scalariform, 100 |
| Answer» Correct Answer - B | |
| 877. |
Pyrenoids are made up ofA. Proteinaceous centre and starchy sheathB. Core of nucleic acid surrounded by7 protein sheathC. Core protein surrounded by fatty sheathD. Core of starch surrounded by sheath of protein |
| Answer» Correct Answer - A | |
| 878. |
The product of conjugation of Spirogyra is calledA. ZoosporeB. AkineteC. ChlamydosporeD. Zygospore |
| Answer» Correct Answer - d | |
| 879. |
The archegonia of Funaria is distinguished from that of Pinus of the structure ofA. Long neckB. Several neck canal cellsC. Stalked venterD. All of the above |
| Answer» Correct Answer - d | |
| 880. |
Two adjacent filaments fo Spirogyra offnis having 10 cells each are particlipating in reproduction. How many new Spirogyra plants are produced during sexual reproduction.A. 5B. 10C. 20D. 40 |
| Answer» Correct Answer - b | |
| 881. |
In spriogyra lateral conjugation takes place in the cells ofA. Same filamentB. Two filaments of same speciesC. Two fillaments of different speciesD. Both a and b |
| Answer» Correct Answer - a | |
| 882. |
Brown algae is chaaracterised by the presence ofA. FucoxanthinB. HaemastochromeC. PhycocyaninD. Phycoerythrin |
| Answer» Correct Answer - A | |
| 883. |
Ulothrix can be described as aA. non-motile colonial alga lacking zoosporesB. filamentous alga lacking flagellatted reproductive stagesC. membranous alga producing zoosporesD. filamentous alga with flagellated reproductive stages |
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Answer» Correct Answer - D (d) Ulothrix is a freshwater, filamentous green algae, found in rather cold flowing water, Sexual reproduction in Ulothrix is isogamous type, i.e. it takes place between two morphological similar motile, flagellated male and female gametes which come from different filaments. |
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| 884. |
Ulothrix filaments produceA. isogametesB. anisogametesC. heterogametesD. basidiospores |
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Answer» Correct Answer - A (a) Ulothrix belongs to green algae. Sexual reproduction in Ulothrix takes place by the union of isogametes which are motile, biflagellate, morphologically similar gametes. Approximately 8-32 isogametes are produced from a mother cell. Two gametes come from two different filament, fuse and form a diploid zygote. |
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| 885. |
The plant body is thalloid inA. FunariaB. SphagnumC. SalviniaD. Marchantia |
| Answer» Correct Answer - D | |
| 886. |
When the sperms of Funaria and Pteris are put together near the archegonia of Pteris, only the sperms of Pteris readily enter the archegonia and reach the egg. The reason being thatA. Sperms of Funaria are killed when mixed with sperms of PterisB. Archegonia of Pteris secrete a substance with repels sperms of FunariaC. Archeagonia of Pteris secrete a chemical substance which attracts sperms of Pteris chemotacticallD. Sperms of Funaria are less motile. |
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Answer» Correct Answer - c Because archegonia of Pteris secrete a chemical malic acid which attracts only sperms of Pteris chemotacitally. |
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| 887. |
In Ulothrix, sexual reproduction is byA. IsogamyB. AnisogamyC. OogamyD. Conjugation |
| Answer» Correct Answer - s | |
| 888. |
Ulothrix filaments produceA. HeterogametesB. BasidiosporesC. IsogametesD. Anisogametes |
| Answer» Correct Answer - C | |
| 889. |
Ulothrix be described as aA. Filamentous alga lacking flagellated reproductive stagesB. Coenobial alga producing zoosporesC. Filamentous alga with flagellated reproductive stagesD. Non - motile colonial alga lacking zoospores |
| Answer» Correct Answer - C | |
| 890. |
The given figure shows to phases, A and B of a typical angiospermic life cycle. Select the correct option regarding it.A. `{:(A,B),("Gametophytic generration (n)","Sporophytic generation (2n)"):}`B. `{:(A,B),("Sporophytic generation (2n)","Gametophytic generation (n)"):}`C. `{:(A,B),("Sporophytic generation (2n)","Sporophytic generation (2n)"):}`D. `{:(A,B),("Gametophytic generration (n)","Gametophytic generation (n)"):}` |
| Answer» Correct Answer - A | |
| 891. |
Refer to the given showing life cycle patterns and identify them.A. `{:(A,B),("Diplontic","Haplontic"):}`B. `{:(A,B),("Haplontic","Diplontic"):}`C. `{:(A,B),("Haplo-diplontic","Haplontic"):}`D. `{:(A,B),("Haplo-Diplontic","Diplontic"):}` |
| Answer» Correct Answer - B | |
| 892. |
Which is not a characteristic feature of CycasA. Naked ovulesB. Circinate vermationC. VesselsD. Girdding leaf traces |
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Answer» Correct Answer - c Vessesl is a chracteristic feature of angiosperms. |
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| 893. |
Which of the following taxa shows zooidogamous oogamy (I) Spirogyra (II) Funaria (III) Pteris (IV) Cycas The correct answer isA. I,II,IIIB. I,III,IVC. I,II,IVD. II,III,IV |
| Answer» Correct Answer - d | |
| 894. |
A cell of Ulothrix has how many chlorophasts ?A. SingleB. ManyC. FewD. None |
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Answer» Correct Answer - A A cell of Ulothrix has single chloroplast |
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| 895. |
Match column I with Column II andselect the correct option from the codes given below `{:("Column I","Column II"),(A." Pteris",(i)." Bryophyte"),(B." Cedrus",(ii)." Pteridophyte"),(C." Sonchus",(iii)." Gymnosperms"),(D." Marchantia",(iv)." Angiosperm"):}`A. A-(ii),B-(iii),C-(iv),D-(i)B. A-(ii),B-(i),C-(iv),D-(iii)C. A-(i),B-(iii),C-(iv),D-(ii)D. A-(iii),B-(iv),C-(ii),D-(i) |
| Answer» Correct Answer - A | |
| 896. |
Cycas differs from Pteris in havingA. vessels and tracheidsB. motile spermsC. pollen tubeD. archegonia |
| Answer» Correct Answer - B | |
| 897. |
Pyrenoids are found in the chloroplast ofA. AlgaeB. PteridophytesC. GymnospermD. Angiosperm |
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Answer» Correct Answer - A Pyrenoids are found in the chloroplast of Algae. |
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| 898. |
Which of the following genera is associated with coralloid rootsA. CycasB. TaxusC. PinusD. Sequoia |
| Answer» Correct Answer - A | |
| 899. |
Cycas has the largestA. OvuleB. EggC. SpermD. None of these |
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Answer» Correct Answer - d Size of larger ovule-6cm (length)4cm (dia), size of largest-sperm-300`mu`.size of largest egg-0.5 mm in diameter. |
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| 900. |
Match the following and select the correct option `{:(,"Column-I",,"Column-II"),("A.","Pteris","(i)","Gymnosperm"),("B.","Cycas","(ii)","Bryophyte"),("C.","Sphagnum","(iii)","Algae"),("D.","Sargassum","(iv)","Pteridophyta"):}`A. A-(iv),B-(ii),C-(i),D-(iii)B. A-(iv),B-(i),C-(ii),D-(iii)C. A-(ii),B-(iii),C-(iv),D-(i)D. A-(i),B-(iv),C-(iii),D-(ii) |
| Answer» Correct Answer - B | |