Sunday, March 18, 2012

FUNARIA AND PTERIS ASSIGNMENT

1 [A]: Funaria is commonly called as Cord moss
[R]: It has cord like twisted gametophore





Ans:A is true but R is false
2 Funaria is best described as




Ans:Sciophyte
3 Study the following table related to Funaria gametophore and choose the correct combination





Ans:I and II
4 Apical cell of Funaria gametophore
I. Pyramidal in shape
II. Has three cutting faces
III. Present at the apex of leaf
IV. Haploid





Ans:All except III are correct
5 Choose the correct statement




Ans:All epidermal cells of Funaria stem have chloroplsts
6 [A]: Funaria is commonly called as Myxohydric moss
[R]: Conduction in Funaria takes place within stem as well as in between the adjacent gametophores





Ans:Both A and R are true and R is the correct explanation of A
7 Leaves and stem of Funaria are not true leaves and stem because
I. They belong to gametophytic generation
II. They lack complex tissues
III. They lack buds





Ans:I and II are correct
8 [A]: Funaria is commonly called as Fire moss
[R]: Gametophores of Funaria are burnt by themselves in dry weather after discharge of spores from capsule





Ans:A is true but R is false
9 The abiotic factor which influences the formation of secondary protonema in Funaria is




Ans:Atmospheric humidity
10 During the following type of reproduction, gametophores are not developed from buds




Ans:Gemmae
11 Choose the correct statement




Ans:Rhizoids are involved in all types of Vegetative reproductions.
12 Match the following with respect to Funaria





Ans:A - V, B - III, C - I, D - II
13 Study the following table and choose the correct combination





Ans:II and III
14 [A]: Protonema is multicellular
[R]: It is always formed from multicellular reproducing structures





Ans:A is true but R is false
15 Apex of main axis of gametophore of Funaria does not form
I. Antheridia
II. Archegonia
III. Gemmae
IV. Tubers





Ans:II and IV
16 Moss flower is




Ans:Main stem with antheridia and spread perichaetial leves
17 [A]: Funaria is monoecious
[R]: A given branch of Funaria is unisexual





Ans:Both A and R are true but R is not the correct explanation of A
18 Arrange the following in descending order
I. No. of cells in Archegonial cap
II. No. of male gametes formed from and androcyte mother cell.
III. No. of neck canal cells in the archegonium
IV. No. of cover cells in the Antheridium





Ans:III, I, II, IV
19 The following structure of archegonium exhibits dedifferentiation




Ans:Venter jacket of archegonium
20 Male gametes of Funaria are




Ans:Sickle shaped, biflagellated
21 The functions of paraphyses of male branch are
I. Photosynthesis
II. Moisture maintenance around the antheridia
III. Protection to antheridia
IV. Aiding in male gametes discharge





Ans:All
22 Mucilage secreting structures of Funaria are




Ans:Paraphyses
23 [A]: Funaria is autoicous
[R]: A branch of gametophore of Funaria has one type of sex organs and its main axis has another type of sex organs





Ans:Both A and R are true and R is the correct explanation of A
24 Sub-spherical cell is seen in




Ans:Paraphyses of Moss flower
25 Choose the incorrect statement




Ans:All cells of antheridial jacket are morphologically similar
26 Archogonial secretion of Funaria is rich in




Ans:Sugars
27 Oblique walls are formed in the following structures of Funaria
I. Androcyte mother cells
II. Paraphyses
III. Rhizoids
IV. Antheridial jacket





Ans:I and III
28 Mucilage forming cells are
I. Androcytes
II. Neck cells
III. Neck canal cells
IV. Ventral canal cell





Ans:III and IV
29 Perforated structure of Funaria is




Ans:Antheridium at maturity
30 [A]: Funaria is commonly called as Fire Moss
[R]: Gametophores of Funaria are used as Fire extinguishers.





Ans:A is true but R is false
31 Moss flower is




Ans:Male branch
32 Photosynthetic structure of Funaria is




Ans:Spore
33 Minimum number of cells of Funaria archegonium that show degeneration at the time of maturation is




Ans:7
34 Twisted structures of Funaria are
i) Rhizoids
ii) Seta
iii) Archegonial neck
iv) Chloronemal branches





Ans:ii and iii
35 Meiocytes of Funaria are present in




Ans:Theca
36 Study the following and identify the correct match with respect to Funaria
A. Capitate structure          I) Operculum
B. Stomatal region          II) Antherozoid
C. Stomatal region          III) Spore sac
D. Sickel shape                IV) Paraphyses
                                V)Apophysis





Ans:A - IV, B - I, C - III, D - II
37 Male gametes of Funaria show




Ans:Tactic movement
38 Choose the correct statement




Ans:Paraphyses of Funaria male branch help in discharge of male gametes
39 Peristome of Funaria is articulated to




Ans:Rim
40 Choose the correct item groups with respect to Funaria





Ans:i and iii
41 Arrange the following with gradual increase in the number of series of cells that they have
i) Archegonial neck
ii) Antheridial stalk
iii) Paraphyses
iv) Archegonial venter





Ans:iii, ii, i, iv
42 [A] : Funaria is autoicous.
[R] : Male and female sex organs are developed on separate branches of same protonema.





Ans:A is true but R is false
43 No of vertical rows of cells seen in the jacket of arechegonial neck of Funaria is




Ans:6
44 [A] : Funaria is self incompatible.
[R] : It is protandrous.





Ans:A is true but R is false
45 Study the following and choose the correct match
A. Present in Seta and Apophysis I) Columella
B. Present in Apophysis and Theca II) Trabeculae
C. Present in Theca and Operculum III) Peristome
D. Present only in operculum IV) Stomata
                         V) Central strand





Ans:A - V, B - II, C - III, D - IV
46 The structures not seen in/on the sporophyte of Funaria at the time of spore dispersal is/are
i) Operculum
ii) Calyptra
iii) Columella
iv) Seta





Ans:i, ii, iii
47 Gametic union of Funaria is best described as




Ans:Zooidogamy
48 In the mode of nutrition shown by sporophyte of Funaria, the sporophyte can be compared with




Ans:Viscum
49 Arrange the following ranks of Pteridophyte that you have studied in correct hierarchial order

I. Filicales
II. Pteris
III. Leptosporangiopsida
IV. Polypodiaceae





Ans:III, I, IV, II
50 In India, Pteris occurs naturally in
I. Eastern Himalayas
II. North-Eastern Himalayas
III. North-Western Himalyas
IV. Western Himalayas





Ans:III and IV
51 Choose the correct statement




Ans:Pteris has modified stem
52 Venation in Pteris is




Ans:Open dichotomous
53 [A]: Pteris is a fern
[R]: Unipinnate compound leaves of Pteris show circinate vernation





Ans:Both A and R are true and R is the correct explanation of A
54 Choose the incorrect statement




Ans:All leaflets of Pteris leaf are arranged in pairs
55 Hypodermis of Pteris Rhizome is




Ans:4-5 layered and sclerenchymatous
56 Meristele of Pteris Rhizome shows the following condition




Ans:Mesarch
57 Match the following with respect to Pteris





Ans:A - II, B - IV, C - III, D - I
58 Study the following table with respect to Pteris and choose the correct combination





Ans:III and IV
59 [A]: Stele of Pteris Rhizome is dictyostele
[R]: Its stellar region has a net work of vascular strands





Ans:Both A and R are true and R is the correct explanation of A
60 Phloem of Pteris lacks




Ans:Sieve plates
61 Meristele of Pteris Rhizome is dovoid of




Ans:Sclerenchyma
62 Choose the wrong statements




Ans:A Pteris sporophyll has 52 sori
63 [A]: Sorus of Pteris is described as Coenosorus
[R]: Each sorus has several sporangia





Ans:Both A and R are true and R is the correct explanation of A
64 [A]: Indusium of Pteris sorus is described as false indusium
[R]: It is part of leaflet of sporophyll of Pteris.





Ans:Both A and R are true but R is not the correct explanation of A
65 Special tissue of leaf from which sorus of Pteris is developed is called as




Ans:Receptacle
66 Sorus of Pteris is described as




Ans:Abaxial, Intermarginal, Superficial
67 Pteris belongs to the family




Ans:Polypodiaceae
68 Species of Pteris are naturally found




Ans:Himalayas
69 Pteris cretica can grow at altitudes of
I. 1600 m
II. 1000 m
III. 2000 m
IV. 1100 m





Ans:I and III are correct

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