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.
| 301. |
Perisperm is found inA. Black pepperB. WheatC. MaizeD. Groundnut |
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Answer» Correct Answer - A Perisperm is found in black pepper/beet. |
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| 302. |
Viabilityof seeds can be tested by:A. Embryo cultureB. TTC testC. Imbition testD. Both a and b |
| Answer» Correct Answer - D | |
| 303. |
Albuminous seeds are found inA. Wheat, maize and barleyB. Castor and riceC. Orchid and podostemonD. Both A and B |
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Answer» Correct Answer - D Albuminous seeds are found in wheat, maize, barley, castor and sunflower. |
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| 304. |
False fruits are found inA. Guava, pear and sapotaB. Black pepper and beetC. Apply, strawberry and cashewD. Banana and apple |
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Answer» Correct Answer - C False fruits are found in apply, strawberry and cashew. |
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| 305. |
Which of the following plant prduces false fruits ?A. appleB. strawberryC. cashewnutD. more than one option is correct |
| Answer» Correct Answer - D | |
| 306. |
Ovules are without integument in:A. SantalumB. PisumC. LitchiD. Mango |
| Answer» Correct Answer - A | |
| 307. |
Cotton fibres are surface outgrowthof:A. IntegumentB. NucellusC. EndospermD. Ovary wall |
| Answer» Correct Answer - A | |
| 308. |
In Castor and Maize plantsA. Autogamy is prevented but not geitonogamyB. Both autogamy and geitonogamy are preventedC. Male and female flowers are borne by different plantsD. Anthers and stigma are placed at different positions to encourage cross pollination |
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Answer» Correct Answer - A In Castor and Maize (monoecious plants) plants autogamy is prevented but not geitonogamy. |
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| 309. |
Common characteristic found in Cycas and angisperm isA. VesselsB. Motile spermsC. OvulesD. Circinate vernation |
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Answer» Correct Answer - C Common characteristic found in Cycas and angiosperms is ovules. |
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| 310. |
Formation of additional embryo from part of the same embryo or embryo sac isA. Simple polyembryonyB. Adventive polyembryonyC. Vegetative polyembryonyD. Cleavage polyembryony |
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Answer» Correct Answer - B Formation of an extra embryo from nucellus or integument is adventitive polyembryony. |
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| 311. |
Micropyle occurs isA. OvaryB. SeedsC. OvuleD. Both B and C |
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Answer» Correct Answer - D Micropyle occurs in seeds and ovule. |
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| 312. |
Epigeal germination is found seeds like:A. CastorB. MaizeC. GramD. Pea |
| Answer» Correct Answer - A | |
| 313. |
Scutellum isA. single cotyledon in monocotsB. radical sheath in monocotsC. plumule covering in monocotsD. cotyledons in dicots |
| Answer» Correct Answer - A | |
| 314. |
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledonsA. CotyledonB. endospermC. Aleurone layerD. plumule |
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Answer» Correct Answer - A In wheat or maize (family-Poaceae), the scutellum is thought to be a modified cotyledon or seed leaf. |
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| 315. |
Fill in the blanks : 1. The male and female gametes in angiosperms are produced in the ..a..and ..b.., respectively. 2. In angiosperms, both male and female gametes are ..c.., they have to be brought together for..d..to occur. The ..e..is the mechanism to achieve this objectiveA. a-pollen grain, b-embryo sac, c-motile, d-pollination, e-fertilisationB. a-generative cell, b-nucellus, c-non motile, d-pollination, e-fertilisationC. a-pollen grain, b-embryo sac, c-motile, d-fertilisation, e-pollinationD. a-pollen grain, b-embryo sac, c-non motile, d-fertilisation, e-pollination |
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Answer» Correct Answer - D 1. The male and female gametes in angiosperms are produced in the pollen grain and embryo sac, respectively. 2. In angiosperms, both male and female gametes are non-motile, they have to be brought together for fertillisation to occur. The pollination is the mechanism to achieve this objective. |
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| 316. |
During microgametogenesis, two male gametes are produced from:A. Tube cellB. Generative cellC. Prothallial cellD. Stalk cell |
| Answer» Correct Answer - B | |
| 317. |
Endothecium layer present below epidermis in anther bears fibrous thickings and helps inA. dehiscenece of anthersB. nutrition of sporesC. formation of sporopolleninD. absorption of water |
| Answer» Correct Answer - A | |
| 318. |
Pollen sac correponds to which partA. microsporangiumB. gametophyteC. megasporangiumD. microspore |
| Answer» Correct Answer - A | |
| 319. |
Pollen tube is made up ofA. cutinB. sporopolleninC. pectocelluloseD. pectin |
| Answer» Correct Answer - C | |
| 320. |
The intine of a pollen grain is mainly made up ofA. cellulose and pectinB. lipid and pectinC. pectin and ligninD. lignin and cutin |
| Answer» Correct Answer - A | |
| 321. |
Intine of pollen grain is made ofA. sporopolleninB. pecto cellusloseC. silica and celluloseD. only celluslose |
| Answer» Correct Answer - B | |
| 322. |
`alpha` cellulose fibrous thickening is present in/onA. epidermisB. tapeturnC. outer tangential wall of endotheciumD. ineer tangential wall of endothecium |
| Answer» Correct Answer - D | |
| 323. |
Cultivation of plants for their flowers is calledA. HorticultureB. AgricultureC. FloricultureD. Bonsai |
| Answer» Correct Answer - C | |
| 324. |
In angiosperms, the site of sexual reproduction isA. SeedB. FruitC. FlowerD. Embryo |
| Answer» Correct Answer - C | |
| 325. |
A typical dicotyledonous embryo consists ofA. Radical onlyB. embryo axis onlyC. cotyledons onlyD. radical , embryonal axis and cotyledons. |
| Answer» Correct Answer - D | |
| 326. |
The embryo sac of a typical dicotyledonous plant at the time of fertilization isA. 8 cellsB. 7 cellsC. 6 cellsD. 5 cells. |
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Answer» Correct Answer - B The embryo sac of a typical dicotyledonous plant at the time of fertilization is 7 called. |
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| 327. |
Pomato is produced as first man made vegetable by:A. Interspecific hybridizationB. Intergeneric hybridizationC. Somatic hybridizationD. Cybridization |
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Answer» Correct Answer - B::C Pomato was produced by fusion of potato and tomato protoplasts by Somatic Hybridization |
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| 328. |
Which one of the following statement is correct ?A. Endothecium produces the microsoresB. Tapetum nourishes the develping pollenC. Hard outer layer of pollen is called intineD. Sporogenous tissue is haploid |
| Answer» Correct Answer - B | |
| 329. |
What is the function of germ poreA. Emergence of radicleB. Emergence of pollen tubeC. Release of male gametesD. Absorption of water for seed germination |
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Answer» Correct Answer - B Pollen tube emerges through germ pore. |
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| 330. |
The coconut water and the edible part of coconut are equivalent to or the morphological nature of the edible part of coconut isA. EndospermB. EmbryoC. EndocarpD. Mesocarp |
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Answer» Correct Answer - A Coconut water and edible part of coconut represent edosperm. |
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| 331. |
Assertion. A flower is a modified shoot . Reason . All the floral parts are borne on the receptacle ( or thalamus).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 and but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - B | |
| 332. |
wind pollinated plants generally do not show the characterA. Feathery stigmasB. Single ovule in the ovaryC. Well exposed stamensD. Flowers are large and colourful |
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Answer» Correct Answer - D Anemophilous flowers are small, inconspicuous non-scented without -bright colours, nectar and fragrance. |
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| 333. |
If one can induce parthenocarpy through the application of growth substances, which fruits would you select to induce parthenocarpy and why? |
| Answer» Parthenocarpy is the process of developing fruits without involving the process of fertilization or seed formation. Therefore, the seedless varieties of economically important fruits such as orange, lemon, water melon etc. are produced using this technique. This technique involves inducing fruit formation by the application of plant growth hormones such as auxins. | |
| 334. |
Wind pollinated plants differ from insects pollinated plants in havingA. coloured petal alnd large pollenB. no coloured petals and light pollenC. small petals and sticky pollenD. small coloured petals and heavy pollen |
| Answer» Correct Answer - B | |
| 335. |
What are the characters of flowers pollinated by insects ? |
| Answer» Insect pollinated flowers ( entomophilous flowers ) are usually larger, brightly coloured, scented and produced nectar to attract insects. | |
| 336. |
Double fertilization and triple fusion were discovered byA. HofmeisterB. Nawaschin and GuignardC. LeeuwenhoekD. Strassburger |
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Answer» Correct Answer - B Double fertilization and triple fusion were discovered by Nawaschin and Guignard. |
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| 337. |
Double fertilization is a characteristic ofA. BryophytesB. PteridophytesC. GymnospermsD. Angiosperms |
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Answer» Correct Answer - D Double fertilization is characteristic of angiosperms. |
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| 338. |
Tallest flower of the world is ofA. RafflesiaB. AmorphophallusC. YuccaD. Fig |
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Answer» Correct Answer - B Tallest flower of the world is of Amorphophallus. |
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| 339. |
The flower height in Amorphophallus isA. 6 feetB. 6 meterC. 6 cmD. 12 meter |
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Answer» Correct Answer - A The flower height in Amarphophallus is 6 feet. |
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| 340. |
In angiosperms, all the four microspores of a tetrad are covered by a layer formed byA. celluloseB. sporopolleninC. pectoseD. callose |
| Answer» Correct Answer - D | |
| 341. |
Cleistogamous flowers areA. Wind pollinatedB. Insect pollinatedC. Bird pollinatedD. Self-pollinated. |
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Answer» Correct Answer - D Cleistogamous flowers are self pollinated. |
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| 342. |
Ubich granules are secretedA. pollen grainsB. tapetum celsC. OvulesD. insect legs |
| Answer» Correct Answer - B | |
| 343. |
The nuclei of the sperm and egg fuse as a result ofA. Base pairing of their DNA and RNAB. Formation of hydrogen bondsC. Mutual attraction due to difference in electrical chargesD. Attraction of their protoplasts |
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Answer» Correct Answer - D Sperm and egg nuclei fuse due to attraction of their protoplasts. |
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| 344. |
Cleistogamous flowers are found inA. Arachis hypogeaB. Solanum tuberosumC. Cucumis meloD. Allium cepa |
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Answer» Correct Answer - A Cleistogamous flowers are found in Arachis hypogea. |
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| 345. |
Ubich bodies are connected with the development ofA. exine of pollen grainB. endotheciumC. pollen tubeD. all of these |
| Answer» Correct Answer - A | |
| 346. |
Ubisch bodies are connected with the development ofA. sporogenous tissueB. tapetum just below endotheciumC. endotheciumD. exothecium |
| Answer» Correct Answer - B | |
| 347. |
Aleurone layer helps inA. Storage of food in endospermB. Protection of embryoC. Utilization of stored foodD. All of the above |
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Answer» Correct Answer - C Aleurone layer helps in utilization of stored food. |
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| 348. |
Aleurone layer is rich in:A. StarchB. ProteinsC. Lipids and FatsD. Vitamins |
| Answer» Correct Answer - B | |
| 349. |
What type of cell division takes place in the functional megaspore initially in angiosperms?A. Homeotypic without cytokinesisB. Reductional without cytokinesisC. somatic followed by cytokinesisD. Meiotic followed by cytokinesis |
| Answer» Correct Answer - A | |
| 350. |
Aleurone layer is part of:A. EndospermB. EmbryoC. TegmenD. Testa |
| Answer» Correct Answer - A | |