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.
| 251. |
The point at which funiculus touches the ovule isA. ChalazaB. HilumC. RapheD. Endothelium. |
| Answer» Correct Answer - B | |
| 252. |
A nutritive inner region of integument isA. AmphitheciumB. EndotheciumC. EndotheliumD. Endostomium. |
| Answer» Correct Answer - C | |
| 253. |
Secondary nucleus formed by the fusion of two polar nuclei is also calledA. Vegetative nucleusB. Definitive nucleusC. Generative nucleusD. Primary endosperm nucleus. |
| Answer» Correct Answer - A | |
| 254. |
Ovule is tritegumic inA. JuglansB. CasuarinaC. OpunitaD. Asphodelus. |
| Answer» Correct Answer - D | |
| 255. |
The tenuincellate ovule hasA. Larege amount of nucellusB. Small amount of nucellusC. Micropylar nucellusD. Chalazal nucellus. |
| Answer» Correct Answer - B | |
| 256. |
A primitive massive nucellus occurs in some ovules. The condition is calledA. CrassinucellateB. TenuinucellateC. Resupinate ovuleD. Protonucellate. |
| Answer» Correct Answer - A | |
| 257. |
A space occurs between nucellus and integument towards micropylar end. It is calledA. EndostomeB. EndotheciumC. EndotheliumD. Endosperm. |
| Answer» Correct Answer - A | |
| 258. |
In mesogamy, pollen tube enters the ovule throughA. Middle of integuments after piercing the tissuesB. Middle of integuments without piercing the tissuesC. ChalazaD. Middle of micropyle. |
| Answer» Correct Answer - A | |
| 259. |
Megasporangium is equivalent toA. OvuleB. Embryo sacC. FruitD. Nucellus. |
| Answer» Correct Answer - D | |
| 260. |
Which one of the following is resistant actionA. Pollen exineB. Leaf cuticleC. CorkD. Wood fibre. |
| Answer» Correct Answer - A | |
| 261. |
Which is correctA. Sporopollenin is made up of inorganic materialsB. Sporopollenin can withstand high temperature as well as strong acids and alkaliesC. Sporopollenin can withstand high temperatures but not strong acidsD. Sporopollenin can be degeraded by enzymes. |
| Answer» Correct Answer - B | |
| 262. |
Animal vectors are required for pollination inA. MulberryB. CucumberC. MaizeD. Vallisneria. |
| Answer» Correct Answer - B | |
| 263. |
Which is correctA. Tapetum nourishes the developing pollenB. Hard outer layer of pollen is called intineC. Sporogenous tissue is haploidD. Endothecium produces microspores. |
| Answer» Correct Answer - A | |
| 264. |
Seed coat is not thin, membranous inA. GramB. MaizeC. CoconutD. Groundnut. |
| Answer» Correct Answer - C | |
| 265. |
In pin - eyed flowers of PrimulaA. Stamens are longB. Style is longC. There are two series of long staments and one short styleD. There are two series of long styles and one short stamens. |
| Answer» Correct Answer - B | |
| 266. |
Type of divisions that occurs during formation of megaspore isA. MeiosisB. MitosisC. Meiosis followed by mitosisD. Mitosis followed by meiosis. |
| Answer» Correct Answer - A | |
| 267. |
Which condition is more advancedA. BitegmicB. UnitegmicC. TritegmicD. Ategmic. |
| Answer» Correct Answer - B | |
| 268. |
Multinucleate condition is present inA. Quiescent centreB. MaizeC. Meristematic tissueD. Liquid endosperm of Coconut. |
| Answer» Correct Answer - D | |
| 269. |
In a mautre angiospermic male gametophyte, the male gametes are present in theA. Pollen grain partB. Base of pollen tubeC. All over inside the male gametophyteD. Tip of the pollen tube. |
| Answer» Correct Answer - D | |
| 270. |
Growth of pollen tube isA. ApicalB. BasalC. IntercalaryD. Diffused. |
| Answer» Correct Answer - A | |
| 271. |
Polysiphonous condition is occasionally found inA. RanunculaceaeB. Malvaceae and CucurbitaceaeC. Ranunculaceae and BrassicaceaeD. Poaceae and Palmae. |
| Answer» Correct Answer - B | |
| 272. |
Match the ovules with plants .A. a-iii,b-iv,c-ii,d-vB. a-iv,b-v,c-I,d-iiiC. a-v,b-iv,c-iii,d-iiD. a-iii,b-iv,c-I,d-ii |
| Answer» Correct Answer - D | |
| 273. |
Pollinia are sacs havingA. Anther lobesB. Pollen grainsC. Glands for secreting pollenkitt.D. Air for making the pollen grains light. |
| Answer» Correct Answer - B | |
| 274. |
A plant produced 50 flowers. Ovary of each flower has 50 ovules. How many fruits and seeds are produced by that plant respectivelyA. 50, 50B. 50, 100C. 50, 2500D. 2500, 2500. |
| Answer» Correct Answer - C | |
| 275. |
Pollinia occur inA. Milkweeds and orchidsB. China RoseC. RadishD. Sunflower. |
| Answer» Correct Answer - A | |
| 276. |
Pollinia are found in the flowers oA. Calotropis/AsclepiadaceaeB. Vinca (= Catharanthus)C. Hibiscus/MalvaceaeD. Salvia/Labiatae. |
| Answer» Correct Answer - A | |
| 277. |
Megasporangium is equivalent toA. OvuleB. Embryo sacC. OvaryD. Egg apparatus. |
| Answer» Correct Answer - A | |
| 278. |
Cleistogamous flower is found inA. TobaccoB. MirabilisC. ViolaD. None of the above. |
| Answer» Correct Answer - C | |
| 279. |
In 82% of angiosperm families, ovule isA. AnatropousB. OrthotropousC. AmphitropousD. Circinotropous. |
| Answer» Correct Answer - A | |
| 280. |
Heterozygosity is produced followingA. XenogamyB. GeitonogamyC. AutogamyD. Cleistogamy. |
| Answer» Correct Answer - A | |
| 281. |
A plant pollinated by bats isA. OphrysB. SalviaC. KigelliaD. All the above. |
| Answer» Correct Answer - C | |
| 282. |
Consider the following statements with respect to pollen grains (a) Exine is thin, continuous layer made up of cellulose and pectin (b) Hard outer layer called exine is made of sporopollenin (c) Sporopollenin is present in germ pores (d) Exine exhibits a fascinating array of patterns and designs. Of the above statementsA. a and b alone are correctB. a and c alone are correctC. b and d alone are correctD. b and c alone are correct. |
| Answer» Correct Answer - C | |
| 283. |
Pollen grains have spiny exine to aid inA. EntomophilyB. AnemophilyC. OrnithophilyD. Cheiropterophily. |
| Answer» Correct Answer - A | |
| 284. |
Abundant occurrence of fossilised pollen grains is due to resistantA. LignocelluloseB. SporopolleninC. PectocelluloseD. Pectolignin. |
| Answer» Correct Answer - B | |
| 285. |
Despite high level of heterozygosity, the progeny derived from a seed of cross pollinated plant was found to be completely uniform. One reason can beA. Induced mutationB. PolyploidyC. ApomixisD. Parthenocarpy. |
| Answer» Correct Answer - C | |
| 286. |
Immature male gametophyte differs from a mature male gametophyte in that itA. Has not yet left pollen sacB. Has not yet germinated and its generative cell has not divided into two male gametesC. Is a microspore that has not yet divided by mitosisD. Still consists of microsporocyte. |
| Answer» Correct Answer - B | |
| 287. |
Female gametophyte of angiosperm is called:A. OvuleB. Megaspore mother cellC. Embryo sacD. Nucellus. |
| Answer» Correct Answer - C | |
| 288. |
Male gametophyte in angiosperms produces:A. Two sperms and a vegetative cellB. Single sperm and a vegetative cellC. Single sperm and two vegetative cellsD. Three sperms. |
| Answer» Correct Answer - A | |
| 289. |
Outer wall/exine of pollen grain is formed ofA. CelluloseB. PectocelluloseC. LigninD. Sporopollenin. |
| Answer» Correct Answer - D | |
| 290. |
Exine of pollen grain is formed ofA. CalloseB. Pecto - celluloseC. Ligno - celluloseD. Sporopollenin. |
| Answer» Correct Answer - D | |
| 291. |
How many meiotic divisions are necessary to produce 100 pollen grainsA. 125B. 100C. 50D. 25 |
| Answer» Correct Answer - D | |
| 292. |
In angiosperms the number of meiotic divisions required to produce 100 macrospores isA. 125B. 100C. 50D. 25 |
| Answer» Correct Answer - B | |
| 293. |
Number of meiotic divisions required to produce 200/400 seeds of Pea would beA. 200/400B. 400/800C. 300/600D. 250/500. |
| Answer» Correct Answer - D | |
| 294. |
Caruncle is derived fromA. PeduncleB. CotylendonC. Outer integumentD. Inner integument. |
| Answer» Correct Answer - C | |
| 295. |
Egg of female gametophyte is accompained byA. Antipodal cellB. SynergidsC. Definite nucleusD. Tube nucleus. |
| Answer» Correct Answer - B | |
| 296. |
One of the most resistant biological material present in the exine of pollen grain isA. LigninB. HemicelluloseC. LignocelluloseD. Sporopollenin. |
| Answer» Correct Answer - D | |
| 297. |
How many meiotic divisions are required to produce 1000 pollen grainsA. 200B. 250C. 500D. 1000 |
| Answer» Correct Answer - B | |
| 298. |
Function of embryonal suspensor in angiosperms is toA. Absorption of nourishmentB. Push the embryo into nutritive endosperm regionC. Formation of secondary embryosD. All the above. |
| Answer» Correct Answer - B | |
| 299. |
Suspensor of embryo is formed byA. Basal cellB. Apical cellC. Terminal cellD. Hypophysis. |
| Answer» Correct Answer - A | |
| 300. |
In which type of development in dicotyledoneae, basal cell forms suspensorA. Solanad typeB. Caryphylloid typeC. Crucifer typeD. Asterod type. |
| Answer» Correct Answer - A | |