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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Prothallus of fern hasA. antheridia and archegonia on lower surfaceB. antheridia and archegonia on upper surfaceC. antheridia on upper surface and archegonia on lower surfaceD. antheridia on lower surface and archegonia on upper surface |
| Answer» Correct Answer - D | |
| 2. |
Marchantia is considered heterothallic because it isA. heterogameticB. bisexualC. monoeciousD. dioecious |
| Answer» Correct Answer - D | |
| 3. |
Match the following Columns. `{:("Column I","Column II"),("A. Liverworts","1. Funaria"),("B. Hornworts","2. Anthoceros"),("C. Mosses","3. Riccia"),("D. Gnetales","4. Ephedra"):}`A. `{:(A,B,C,D),(4,1,2,3):}`B. `{:(A,B,C,D),(3,1,2,4):}`C. `{:(A,B,C,D),(3,2,1,4):}`D. `{:(A,B,C,D),(2,1,3,4):}` |
| Answer» Correct Answer - C | |
| 4. |
Consider the following statements. I. The sporophyte in liverworts is more elaborate than that in mosses. II. Funaria is heterosporous. III. The life cycle in all seed bearing plants is diplotic. IV. In Pinus male and female cones are borne on different trees. Which two statements are incorrect ?A. I and IIIB. I and IVC. II and IIID. only I |
| Answer» Correct Answer - D | |
| 5. |
Mosses and liverworts are members ofA. gametophytesB. chlorophytesC. bryophytesD. pteridophytes |
| Answer» Correct Answer - C | |
| 6. |
Which one of the following is the major difference between mosses and ferns ?A. Ferns lack alternation of generation, while mosses show the sameB. Mosses are facultative aerobes, while ferns are obligate aerobesC. Vascular bundles of ferns show xylem vessels, while those of mosses lack itD. Mosses require water for fertilisation while ferns does not require water |
| Answer» Correct Answer - C | |
| 7. |
How many of these groups show zooidogamy ? Algae, Liverworts, Mosses, Ferns, Lycopods, Ginkgoales, Conifers, Monocotyledonae, DicotyledonaeA. SixB. twoC. FiveD. Seven |
| Answer» Correct Answer - A | |
| 8. |
How many of these feature are correct for gymnosperms ? Heterosporous, Homosporous, Bisporangiate, Zooidogamy, Entomophily, Siphonogamy, Roots with Mycorrhizae, Ramenta, Circinate, VernationA. SevenB. FiveC. SixD. Three |
| Answer» Correct Answer - C | |
| 9. |
Which class of algae has mannitol and laminarian as reserve food material ?A. RhodophyceaeB. ChlorophyceaeC. CyanophyceaeD. Phaeophyceae |
| Answer» Correct Answer - D | |
| 10. |
Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given (A) In chlorophyceae the stored food material is starch and the major pigments are chlorophyll-a and d (B) In phaeopphyceae, laminarin is the stored food and major pigments are chlorophyll-a and b (C) In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoeythrin.A. Only IIB. I and IIIC. I and IID. Only III |
| Answer» Correct Answer - D | |
| 11. |
Fruits are not found in gymnosperms plants becauseA. they are seedlessB. they are not pollinatedC. they have no ovaryD. fertilisation does not takes place |
| Answer» Correct Answer - C | |
| 12. |
Food is stored in the form of mannitol in the class of algaeA. RhodophyceaeB. PhaeophyceaeC. ChlorophyceaeD. Poaceae |
| Answer» Correct Answer - B | |
| 13. |
Select the correctly matched ones. `{:(I.,"Phaeophyceae",-,"Mannitol"),(II.,"Rhodophyceae",-,"Dictyota"),(III.,"Chlorophyceae",-,"Non-motile gametes"),(IV.,"Rhodophyceae",-,"r-phycoerythein"):}`A. I, II and IIIB. II, III and IVC. I and IIID. I and IV |
| Answer» Correct Answer - D | |
| 14. |
In which of the following groups would you place a plant which procues spores and embryos but lacks seeds and vascular tissue.A. BryophyteB. PteridophytesC. FernsD. Algal |
| Answer» Correct Answer - A | |
| 15. |
Columella in moss capsule isA. upper sterile partB. middle sterile partC. lower sterile partD. lower fertile part |
| Answer» Correct Answer - B | |
| 16. |
The columella in Funaria acts as aA. Generative tissueB. conducting tissueC. protecting tissueD. fertile tissue |
| Answer» Correct Answer - B | |
| 17. |
In Funaria, the stomata are found inA. footB. setaC. capsuleD. All of these |
|
Answer» Correct Answer - C The sporophyte of Funaria consists of a foot, a long slender seta and a capsule. The capsule wall is several layers thick and is highly differentiated. The outermost layer is the epidermis, which contains numerous ftomata in the apophysis region, fever in the theca region and none in the opercular region. |
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| 18. |
Which of the following are correct for conifers ? I. Needle - like leaves to reduce surface area. II. Thick cuticle on leaves. III. Sunken stomata to reduce water loss. IV. The main plant body is gametophyte.A. II and IIIB. Only IVC. Only ID. I, II and III |
| Answer» Correct Answer - D | |
| 19. |
Bentham and Hooker classified dicots intoA. 7 seriesB. 14 seriesC. 16 seriesD. 35 series |
| Answer» Correct Answer - B | |
| 20. |
Classification proposed by Bentham and Hooker is mainly based onA. genetical charactersB. external visible charactersC. phylogenetic charactersD. None of the above |
| Answer» Correct Answer - B | |
| 21. |
Botanical name of peat moss isA. SphagnumB. FunariaC. AnthocerosD. Polytrichum |
|
Answer» Correct Answer - A Sphagnum is known as peat moss. The partially decomposed Sphagnum accumulates to from compressed mass called peat. |
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| 22. |
Moss protonema resembles an algal filament but can be distinguished from the later in havingA. lacking chloroplastB. oblique septaC. cellulosic cell wallD. coenocytic |
| Answer» Correct Answer - B | |
| 23. |
Agar-Agar is obtained fromA. ChlorellaB. SpirogyraC. UlothrixD. Gelidium |
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Answer» Correct Answer - D Gelidium, Gracilaria, Pterocladia are red algae having industrial importance. They produce a jelly- like substance agar agar, used as culture medium. |
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| 24. |
In algae, aplanospores are produced duringA. favourable conditionsB. unfavourable conditionsC. Mild conditionsD. Both (a) and (b) |
| Answer» Correct Answer - B | |
| 25. |
Fusion of two gametes which are dissimilar in size is termed asA. OoogamyB. IsogamyC. AnisogamyD. Zoogamy |
| Answer» Correct Answer - C | |
| 26. |
Redness of red sea is due toA. red colour present in the seaB. Chlamydomonas nivalis in sea waterC. red algaeD. All of the above |
| Answer» Correct Answer - B | |
| 27. |
Chlorellin is obtained fromA. ChlorellaB. fucusC. cladophoraD. charales |
| Answer» Correct Answer - A | |
| 28. |
An alga used as food by astronauts isA. AnabaenaB. NostocC. SynechococusD. Chlamydomonas |
| Answer» Correct Answer - C | |
| 29. |
The body of brown algae is differentiated intoA. holdfastB. stipeC. frondD. All of these |
| Answer» Correct Answer - D | |
| 30. |
Macrozoospores of Ulothrix are notA. quadriflagellateB. uninucleateC. sphericalD. pear-shaped |
| Answer» Correct Answer - C | |
| 31. |
Spirogyra and Ulothrix are found inA. marine waterB. both in sea and freshwaterC. freshwaterD. on soil |
| Answer» Correct Answer - A | |
| 32. |
Holdfast, stipe and frond constitute the plant body in case ofA. RhodophyceaeB. ChlorophyceaeC. PhaeophyceaeD. All of these |
| Answer» Correct Answer - C | |
| 33. |
One of the distinctive feature of Spirogyra is itsA. uninucleate conditionB. green colourC. spiral chlorophastsD. presence of pyrenoids |
| Answer» Correct Answer - C | |