InterviewSolution
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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.
| 1051. |
Choose the correct statement in Spirogyra.A. Filaments showing scalariform conjugation are always dioeciousB. Filaments showing lateral conjugation are always monoeciousC. Filaments showing lateral conjugation may be monoeciousD. Asexual reproduction occurs by zosspores. |
| Answer» Correct Answer - B | |
| 1052. |
Independent alternation of generation is found in :-A. FernB. CycasC. OnionD. Lotus |
| Answer» Correct Answer - A | |
| 1053. |
Which of the following is true about bryophytesA. They are thalloidB. They possess archegoniaC. They contain chloroplastD. All of these |
| Answer» Correct Answer - D | |
| 1054. |
Assertion. Life history of Funaria is completed only when it is growing in humid conditions. Reason. The plant body is very delicate and cannot withstand dry condition.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - B | |
| 1055. |
In archaegonium of moss (Funaria) plant, the number of neck canal cells isA. 2B. 3C. 5D. 6 to 18 |
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Answer» Correct Answer - d The neck is several cells high and is made up of six vertical rows of cells. It contains six or more elongated uniculeate nect canal cells. |
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| 1056. |
Plant body of funaria isA. Completely sporophyteB. Predominantly gametophyte with sporophyteC. Completely gametophyteD. Predominantly sporophyte with gametophyte |
| Answer» Correct Answer - A | |
| 1057. |
Assertion: Chlorella, a green alga, is commonly known as space alga. Reason: It is used by exobiologists for oxygen and disposal of nitrogen in prolonged space flight.A. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, but Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - C | |
| 1058. |
Assertion: Bryophytes are called asterrestrial amphibians. Reason: Bryophytes require an external layer of water on the soil surface for their existence.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. if both assertion and reason are true but reason is not the correct explanation of assertionC. if assertion is true but reason is false.D. if both assertion and reason are false. |
| Answer» Correct Answer - A | |
| 1059. |
Bryophytes compriseA. sporophyte of longer durationB. dominant phase of sporophyte which is parasiticC. dominant phase of gametophyte which produces sporesD. small sporophyte phase generally parasitic on gametophyte |
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Answer» Correct Answer - D (d) Bryophyta is a group of thalloid, non-vascular, cryptogams which have gametophytic (haploid phase) as dominant phase. It bears diploid sporophytic phase which takes food from gametophytic phase, thus behaves as parasite on gametophyte. |
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| 1060. |
The antherozoids of Funaria areA. MulticiliatedB. MonociliatedC. AciliatedD. Biciliated |
| Answer» Correct Answer - D | |
| 1061. |
Bryophytes called amphibians of plant king-dom asA. they inhabits damp placesB. they have tracheidsC. their sex organs are multicellular and jacketedD. their reproductive phase requires water. |
| Answer» Correct Answer - D | |
| 1062. |
Bryophytes compriseA. Dominant phase of gamet6ophyte which produces sporesB. Small sporophyte phase and generally parasitic on gametophyteC. Sporophyte is of longer durationD. Dominant phase ofsporophyte which is parasitic |
| Answer» Correct Answer - B | |
| 1063. |
Assertion: Bryophytes are called asterrestrial amphibians. Reason: Bryophytes require an external layer of water on the soil surface for their existence.A. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, but Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - D | |
| 1064. |
Bryophytes are dependent on water becauseA. Water is essential for their vegetative propagationB. The sperms can easily reach upto egg in the archegoniumC. Archegonium has to remain filled with water for fertilizationD. Water is essential for fertilization for their homosporous nature |
| Answer» Correct Answer - B | |
| 1065. |
Bryophytes can be compared with amphibians since both are (i) Autotrophic (ii) Dependent on water for reproduction (iii) Without endoskeleton (iv) Devoid of impervious body surface (v) With separate sexesA. ii,ivB. i,ii,ivC. ii,iii,ivD. i,iii,iv |
| Answer» Correct Answer - A | |
| 1066. |
Bryophytes are dependent on water becauseA. water is essential for fertilisation for their homosporous natureB. water is essential for their vegetative propagationC. the sperms can easily reach up to egg in the archegoniumD. archegonium has to remain filled with water for fertilisation |
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Answer» Correct Answer - C (c) The antherozoids (sperms) of bryophytes are flagellated (motile) and need a film of water to swim through for reaching th archegonium. Bryophyta is a group of cryptogams. Main plant body of bryophytes is gametophytic (haploid). It bearing male and female sex organs. |
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| 1067. |
Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - a In some species of red algae called coralline algae, the cell walls become hardened with calcium carbonate. These algae hence important for the formation of coral reefs. Coral reefs are formed through the accumulation of calcareous exoskeletons of coral animals, cacareous red algae and molluscs. they form the foundation of reefs by secreting a calcium carbonate skeleton and provides protection for the coral polyps. Calcium carbonate is secreted continously by the coral colony. |
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| 1068. |
Bryophytes are dependent on water becauseA. Archegonium has to remain filled with water for fertilizationB. Water is essential for fertilization for their homosporous natureC. Water is essential for their vegetative propagationD. The sperms can easily reach upto egg in the archegonium |
| Answer» Correct Answer - d | |
| 1069. |
In bryophytesA. sporophytes are dependent upon gametophytesB. sporophyte and gametophyte generation are independentC. sporophyte in itself completes the life cycleD. gametophytes are dependent upon sporophyte. |
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Answer» Correct Answer - A In bryophytes, sporophyte is parasitic (partially of wholly) on the gametophyte as it is organically attached and is nutritionally dependent upon the gametopyte. |
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| 1070. |
Which place in India is called "The Golden Mine of Liverworts"A. Eastern HimalayasB. Western HimalayasC. Western GhatasD. Eastern Ghats |
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Answer» Correct Answer - b Bryophyta grow in moist and shady places. More humid conditions are found in Western Himalayas. |
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| 1071. |
Asexual reproduction in liverworts takes place byA. fragmentation of thalli and gemmae formationB. gemmae formation and diploid spore formationC. spores formation and isogamyD. fragmentation and zoospore formation |
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Answer» Correct Answer - A Asexual reproduction in loverworts takesplace by fragmentation of thalli, or by the formation of specialised structures called gemmae |
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| 1072. |
Angiosperms (dicotyledons) were distinguished into Archichlamydeae and Metachlamydeae byA. CandolleB. CronquistC. HutchinsonD. Engler and Prantl |
| Answer» Correct Answer - D | |
| 1073. |
Which of the following statement is correctA. Ovules are not enclosed by ovary wall in gymnospermsB. Selaginella is heterosporous,, while Salvinia is homosporousC. Horsetails are gymnospermsD. Stems are usually unbranched in both Cycas and Cedrus. |
| Answer» Correct Answer - a | |
| 1074. |
Conifers differ from grasses in theA. Formation of endosperm before fertilizationB. Production of seeds from ovulesC. Lack of xylem tracheidsD. Absence of pollen tubes |
| Answer» Correct Answer - D | |
| 1075. |
In Liverworts, the specialized asexual reproductive structures are calledA. ConesB. StrobiliC. GemmaeD. Protonema |
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Answer» Correct Answer - C In Liverworts, the specialised asexual reproductive structures are called Gemmae. |
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| 1076. |
Which of the following statements are true/false? (a) Trimerous condition of floral whorl is characteristic of dicotyledons. (b) Adiantum is also called walking fem. ( c) In gymnosperms, the vascular system consists of xylem without vessels and phloem without companion cells.A. (a) and (b) are true and (c) and (d) are false.B. (a) and (c) are true and (b) and (d) are false.C. (a) and (d) are true and (b) and (c) are false.D. (b), (c), and (d) are true and (a) is false. |
| Answer» Correct Answer - D | |
| 1077. |
Conifers differ from grasses in theA. Absence of pollen tubesB. Formation of endosperm before fertilizationC. Production of seeds fromovulesD. Lack of xylem tracheids |
| Answer» Correct Answer - b | |
| 1078. |
What represents the gametophytic generation in pteridophytes?A. Main plant bodyB. Heart shaped prothallusC. IndusiumD. Stomium |
| Answer» Correct Answer - B | |
| 1079. |
Conifers differ from grasses in theA. lack of xylem tracheidsB. absence of pollen tubesC. formation of endosperm before fertilisationD. production of seeds from ovules |
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Answer» Correct Answer - C (c) The conifers (gymnosperm) differ from the grasses (angiosperm) in the formation of endosperm before fertilisation. Infact, in gymnosperms, the endosperm is a haploid tissue as it formed before fertilisation, while in angiosperms, endosperm is formed after fertilisation as a result of triple fusionn of double fertilisation, thus, it is a triploid tissue. In both conifers and grasses seeds are produced from ovules. Xylem tracheids are present in both conifers and grasses. Pollen tubes are also formed in both conifers and grasses. |
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| 1080. |
Pinus seeds areA. Naked and campylotropusB. Naked and anatopusC. Naked and orthotropusD. Covered and othotropus |
| Answer» Correct Answer - C | |
| 1081. |
Pinus seeds areA. Naked and campylotropousB. Naked and anatropousC. Naked and orthotropousD. Covered and othotropous |
| Answer» Correct Answer - C | |
| 1082. |
Examine the figure given below and select the right option given all the four parts (a,b,c,d) correctly identified. A. `{:(a,b,c,d),("Archegonia","Female thallus","Gemmacup","Rhizoids"):}`B. `{:(a,b,c,d),("Archegoniphore","Female thallus","Bud","Foot"):}`C. `{:(a,b,c,d),("Seta","Sporophyte","Protonema","Rhizoids"):}`D. `{:(a,b,c,d),("Anteridiophore","Male thallus","Globule","Roots"):}` |
| Answer» Correct Answer - A | |
| 1083. |
Last stage of gametophytic generation isA. GametesB. ZygoteC. Spore mother cellsD. Spores |
| Answer» Correct Answer - a | |
| 1084. |
Syngamy can occur outside the body of the organism inA. MossesB. AlgaeC. FermsD. Fungi |
| Answer» Correct Answer - b | |
| 1085. |
Leaves of ferns areA. MicrophyllsB. MacrophyllsC. SporangiaD. Sporophylls |
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Answer» Correct Answer - B Leaves of ferns are macrophylls. |
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| 1086. |
Seeds of Pinus areA. adaxial, endospermic and potycotyledonousB. abaxial,monocotyledonous and endospermicC. hypogeal,endospermic and monocotD. monocotyledonous,epigeal. |
| Answer» Correct Answer - A | |
| 1087. |
Observe the diagram A,B,C,D in which one of the four options all the items are correct. A. `{:(A,B,C,D),("Chalmydo-monas","Chara","Laminaria","Volvox"):}`B. `{:(A,B,C,D),("Laminaria","Volvox","Chlamydomonas","Chara"):}`C. `{:(A,B,C,D),("Chara","Laminaria","Volvox","Chlamydo-monas"):}`D. `{:(A,B,C,D),("Volvox","Chlamydo-monas","Laminaria","Chara"):}` |
| Answer» Correct Answer - d | |
| 1088. |
Fertile leaves of ferns are calledA. SporophyllsB. PosophyllsC. MesophyllsD. Cataphylls |
| Answer» Correct Answer - A | |
| 1089. |
Match items in Column I with those in Column II: A. (a) `rarr` (k), (b) `rarr` (j), (c) `rarr` (I), (d) `rarr` (m), (e) `rarr` (n)B. (a) `rarr` (n), (b) `rarr` (I), (c) `rarr` (k), (d) `rarr` (n), (e) `rarr` (j)C. (a) `rarr` (j), (b) `rarr` (k), (c) `rarr` (n), (d) `rarr` (I), (e) `rarr` (k)D. (a) `rarr` (I), (b) `rarr` (j), (c) `rarr` (m), (d) `rarr` (n), (e) `rarr` (k) |
| Answer» Correct Answer - D | |
| 1090. |
Leaflet in Cycas isA. Sessile and linearB. Sessile and lanceolateC. Sessile and oblongD. Sessile and obturate |
| Answer» Correct Answer - B | |
| 1091. |
Which of the following is not a correct match?A. Maiden hari fern: GinkgoB. Bog Moss : SphagnumC. Cord/green moss: FunariaD. Walking fern : Adiantum |
| Answer» Correct Answer - A | |
| 1092. |
Following are are given some trends in the evolution of plantsA. origin of vascular systemB. origin of rhizoidsC. origin of seedsD. origin of flowers. |
| Answer» Correct Answer - C | |
| 1093. |
In which of the following the angiosperms resemble the GymnospermsA. nature of endospermB. presence of vesselsC. siphonogamyD. double fertilization. |
| Answer» Correct Answer - C | |
| 1094. |
The phanerogams with ovary areA. AngiospermsB. GymnospermsC. BryophytesD. Pteridophytes |
| Answer» Correct Answer - A | |
| 1095. |
Fruits are not produced in gymnosperms because they areA. Without pollinationB. Without fertilizationC. Seedless plantsD. Without any ovary |
| Answer» Correct Answer - D | |
| 1096. |
Characteristic of Angiosperms which distinguish them from gymnospermsA. presence of fruits and flowersB. double fertilization and triploid endosperm formed after double fertilizationC. companion cells in phloem and vessels in xylemD. all of the above. |
| Answer» Correct Answer - D | |
| 1097. |
Phanerogams without womb areA. AngiospermsB. BryophytesC. FernsD. Gymnosperms |
| Answer» Correct Answer - D | |
| 1098. |
Which one of the following groups acts as the connecting link between gymnosperms and angiosperms?A. GinkgoalesB. CycadalesC. ConiferalesD. Gnetales |
| Answer» Correct Answer - D | |
| 1099. |
Find the correct match. A. (a) `rarr` (i), (b) `rarr` (ii), (c) `rarr` (iii), (d) `rarr` (iv)B. (a) `rarr` (iii), (b) `rarr` (ii), (c) `rarr` (iv), (d) `rarr` (i)C. (a) `rarr` (iii), (b) `rarr` (i), (c) `rarr` (ii), (d) `rarr` (iv)D. (a) `rarr` (iii), (b) `rarr` (i), (c) `rarr` (iv), (d) `rarr` (ii) |
| Answer» Correct Answer - D | |
| 1100. |
Find the correct match. A. (a) `rarr` (i), (b) `rarr` (ii), (c) `rarr` (iii), (d) `rarr` (iv)B. (a) `rarr` (iii), (b) `rarr` (ii), (c) `rarr` (iv), (d) `rarr` (i)C. (a) `rarr` (iii), (b) `rarr` (i), (c) `rarr` (ii), (d) `rarr` (iv)D. (a) `rarr` (iii), (b) `rarr` (i), (c) `rarr` (iv), (d) `rarr` (ii) |
| Answer» Correct Answer - D | |