FERTILIZATION AND FRUIT ASSIGNMENT

1	Pollen tube entry into the ovule where the integuments and Nucellus meet at the posterior region was first discovered in a plant Which is Aquatic That has Herkogamous flowers Whose stamens are fused among themselves along their entire length that has Pendent inflorescence consisting of acropetally arranged sessile unisexual flowers Ans:that has Pendent inflorescence consisting of acropetally arranged sessile unisexual flowers
2	The pollen tube usually releases the male gametes into the following structures of Embryosac Egg cell Synergid Antipodals Central cell Ans:Synergid
3	Plant in which pollen tube enters into the ovule through integuments or Funiculus has I. Parietal placentation II. Polysiphonous pollen grains III. Campylotropous ovules I and III II and III I and II II alone Ans:I and II
4	The growth of pollen tube towards the embryosac is best described as Chemotaxy Chemonasty Chemotropism Intercalary Ans:Chemotropism
5	The total number of Nuclei involved in double fertilization of Lilium is 2 4 5 3 Ans:4
6	The following structures of flower are not completely shedded off after fertilization in the plants of Asteraceae I. Corolla II. Calyx III. Gynoeciumv IV. Bracteoles II and IV III only I, II, III II and III Ans:II and III
7	The common feature between the endosperm of Gymnosperms and Angiowperms is Similar ploidy Both are post fertilized products Nourished by embryo Nourish the embryo Ans:Nourish the embryo
8	Match the following Character of the plant Seed nature A)Polyarch roots with multiple epidermis I)Perispermic B)Pentarch roots II)Endospermic C)Stems with bicollateral vascular bundles III)Arillate D)Ovary with superficial placentation IV)Single fertilization V)Caruncle A-IV, B-V, C-II, D-III A-V, B-IV, C-I, D-III A-IV, B-I, C-V, D-II A-IV, B-V, C-I, D-III Ans:A-IV, B-V, C-II, D-III
9	Study the following table and choose the correct combination Plant Character I Character II I)Dolichos Pollen prepotency Exalbuminous seeds II)Cocos Dicliny Arillate seeds III)Piper nigrum Perispermic Endospermic IV)Podostemon Double fertilization Perispermic I and II II and III III and IV I and III Ans:I and III
10	[A]: Double fertilization was first discovered by Nawaschin [R]: Nawaschin first observed the formation of diploid zygote due to Amphimixis Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
11	Soil water is not absorbed for seed germination in Allium Rhizophora Pisum Cocos Ans:Rhizophora
12	Arrange the following structures of Embryo of Maize seed in a sequence from one end other end with respect to their place or point of attachment on the Tigellum. I. Coleoptyle II. Plumule III. Mesocotyl IV. Coleorhiza V. Radicle IV. Scutellum I, III, II, V, IV, VI V, IV, VI, III, I, II II, I, IV, III, VI, V V, IV, III, VI, I, II Ans:V, IV, VI, III, I, II
13	Study the following table and choose the correct combination I and II III and I II and III I and IV Ans:III and I
14	The third integument of the seed is formed from outer integument of ovule Inner integument of ovule Between outer and inner integuments of ovule Funiculus Ans:Funiculus
15	Mace is morphologically Outgrowth of outer integument Outgrowth of Nucellar beak Integumentary outgrowth of Micropylar region Outgrowth of Funiculus Ans:Integumentary outgrowth of Micropylar region
16	[A]: Seeds of Capsella are non-endospermic [R]: It shows Syngamy and Triple fusion Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true but R is not the correct explanation of A
17	Assertion : Mango has Drupe. Reason : Endocarp of Mangifera fruit is hard and stony. A and R are correct, R explains A A and R are correct, R does not explain A A is correct, R is wrong A is wrong, R is correct Ans:A and R are correct, R explains A
18	Most advanced fruit is present in Tridax Rubus Citrus Ananas Ans:Ananas
19	Edible part of Hesperidium is developed from Pedicel Thalamus Ovary Ovule Ans:Ovary
20	Identify the wrong pair Coconut - Nut Cashewnut - Nut Coconut - Fleshy fruit Cashewnut - False fruit Ans:Coconut - Nut
21	Leathery epicarp is seen in i) Citrus ii) Mangifera iii) Cocos i and ii ii and iii i and iii i, ii and iii Ans:i, ii and iii
22	Usual time taken for the development of fruit is few days few weeks few months few years Ans:few months
23	Berry is more common in Solanaceae Liliaceae Malvaceae Fabaceae Ans:Solanaceae
24	These fleshy fruits are always developed from inferior ovaries I. Pepo II. Berry III. Pome IV. Drupe I and II II and III I and III II and IV Ans:I and III
25	One seeded condition is never seen in the following freshy fruits I. Berry II. Pome III. Drupe IV. Hesperidium I, II, III II, III, IV I,III,IV II, IV Ans:II, IV
26	Pericarp has Lysigenous cavities in Hesperidium Drupe Berry Pepo Ans:Hesperidium
27	Ediblel part of this fruit varies from plant to plant Berry Pepo Pome Drupe Ans:Drupe
28	Match the following Plant Main Edible part A)Pyrus malus I)Mesocarp, endocarp B)Citrus II)Mesocarp C)Musa III)Outgrowths of endocarp D)Mangifera IV)Pedicel V)Torus A-IV, B-III, C-I, D-II A-V, B-III, C-I, D-II A-IV, B-II, C-III, D-I A-V, B-III, C-II, D-III Ans:A-V, B-III, C-I, D-II
29	Study the following table and choose the correct combination Fruit of the plant No. of locules No. of carpels I)Capsicum 1 2 II)Cucumis 3 1 III)Citrus Many many IV)Pyrus One Many I and III II and III II and IV I and IV Ans:I and III
30	These fruits are developed from monocarpellary ovaries Legume, Cypsela caryopsis, Cypsela legume, lomentum Nut, caryopsis Ans:legume, lomentum
31	The following fruit always has persistant calyx cypsela Loculicidal capsule Septifragal capsule Septicidal capsule Ans:cypsela
32	An aggregate fruit is never developed from bicarpellary gynoecium Tricarpellary gynoecium Syncarpous gynoecium with fused ovaries Pentacarpellary gynoecium Ans:Syncarpous gynoecium with fused ovaries
33	The fruits of the following plants are developed from inferior ovaries I. Helianthus II. Oryza III. Ariistolochia I and II II and III I, II, III Only I Ans:Only I
34	Single seeded mericarps are formed in I. Abutilon II. Sida III. Acacia I and II II and III I, II, III only I Ans:II and III
35	Spadix develops into Sorosis in Ananas Artocarpus Morus Casuarina Ans:Artocarpus
36	An achene is Dry dehiscent fruit developed from bicarpellary ovary Dry indehiscent fruit developed from monocarpellary ovary schizocarpic fruit developed from multicarpellary ovary Dry indehiscent fruit developed from bicarpellary syncarpous ovary Ans:Dry indehiscent fruit developed from monocarpellary ovary
37	Match the following List – I List – II A)Etaerio of berries I)Nelumbo B)Etaerio of follicles II)Acer C)Etaerio of Drupes III)Artabotrys D)Etaerio of Achenes IV)Magnolia V)Rubus A-III, B-IV, C-V, D-I A-IV, B-III, C-II, D-I A-V, B-IV, C-I, D-II A-III, B-IV, C-II, D-I Ans:A-III, B-IV, C-V, D-I
38	Study the following table and choose the correct combination Plant Type of fruit Ovary from which it is developed I)Cochicum Septicidal capsule Tricarpellary superior ovary II)Abutilon Schizocarp Pentacarpellary superior ovary III)Datura Septifragal capsule Bicarpellary bilocular inferior ovary IV)Anacardium Nut Multicarpellary superior ovary II and III I and IV II and IV I and III Ans:I and IV
39	[A]: All Composite fruits are developed from inflorescences with sessile flowers [R]: All inflorescences with sessile flowers form Compound fruits Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
40	Aggregate fruit looks like simple fruit in Polyalthia Artabotrys Nelumbo Annona Ans:Annona
41	For the formation of a fruit in Sida the minimum number of meiotic divisions required is 15. what is the number of carpels present in its gynoecium 15 10 12 Many Ans:12
42	The dehiscent fruit that is not broken along the dorsal sutures is Gossypium Dolichos Aristolochia Lilium Ans:Aristolochia