-
question_answer1)
Diploxylic or polyxylic vascular bundles are found in [JIPMER 1985; AFMC 1995]
A)
Pinus done
clear
B)
Dryopteris done
clear
C)
Cycas done
clear
D)
Funaria done
clear
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question_answer2)
In which plant largest sperms are found [CBSE PMT 1998; CPMT 1998; MHCET 2000]
A)
Cycas done
clear
B)
Pinus done
clear
C)
Mango done
clear
D)
Sunflower done
clear
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question_answer3)
Fern character in Cycas is [AFMC 2001]
A)
Coralloid roots done
clear
B)
Tap root system done
clear
C)
Circinate venation done
clear
D)
Reticulate venation done
clear
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question_answer4)
Coralloid roots of Cycas are useful in [MHCET 2004]
A)
N2-fixation done
clear
B)
Absorption done
clear
C)
Transpiration done
clear
D)
Fixation done
clear
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question_answer5)
Cycas circinalis is a source of [BVP 2004; CPMT 2005]
A)
Resin done
clear
B)
Timber done
clear
C)
Essential oil done
clear
D)
Starch (Sago) done
clear
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question_answer6)
The stem of female Cycas plant is a [MHCET 2002]
A)
Monopodium done
clear
B)
Sympodium done
clear
C)
Rhizomatous done
clear
D)
Dichotomous done
clear
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question_answer7)
Sterile part of Cycas microsporophyll is [MHCET 2004]
A)
Apophysis done
clear
B)
Sporophore done
clear
C)
Middle part done
clear
D)
Lower part done
clear
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question_answer8)
Megasporophylls are found in [MHCET 2000]
A)
Male Cycas done
clear
B)
Female Cycas done
clear
C)
Male Pinus done
clear
D)
Female Pinus done
clear
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question_answer9)
Cycas leaflets are [MHCET 2004]
A)
Sessile, straight, oval done
clear
B)
Sessile, straight, linear-lanceolate done
clear
C)
Sessile, straight, spiny done
clear
D)
Sessile, smooth, twisted done
clear
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question_answer10)
Cycas is a .... plant [MHCET 2001]
A)
Unisexual done
clear
B)
Bisexual done
clear
C)
Hermaphrodite done
clear
D)
Gynandrous done
clear
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question_answer11)
Which one of the following is a living fossil [CBSE PMT 2004]
A)
Saccharomyces done
clear
B)
Spirogyra done
clear
C)
Cycas done
clear
D)
Moss done
clear
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question_answer12)
Top-shaped multiciliate male gametes, and the mature seed which bears only one embryo with two cotyledons, are characteristic features of [CBSE PMT 2005]
A)
Polypetalous angiosperms done
clear
B)
Gamopetalous angiosperms done
clear
C)
Conifers done
clear
D)
Cycads done
clear
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question_answer13)
Cycas occurs commonly in [AMU 1999]
A)
South America done
clear
B)
North America done
clear
C)
South East Asia done
clear
D)
Europe done
clear
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question_answer14)
Spermatozoid of Cycas is [CPMT 1991, APMEE 1995; JIPMER 2000]
A)
Biflagellate done
clear
B)
Nonflagellate done
clear
C)
Uniflagellate done
clear
D)
Multiciliated done
clear
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question_answer15)
Which is not a characteristic feature of Cycas [CPMT 1986]
A)
Naked ovules done
clear
B)
Circinate vernation done
clear
C)
Vessels done
clear
D)
Girdling leaf traces done
clear
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question_answer16)
Cycas has the largest [CPMT 1991]
A)
Ovule done
clear
B)
Egg done
clear
C)
Sperm done
clear
D)
All of these done
clear
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question_answer17)
Cycas is [CPMT 1991]
A)
Hermaphrodite done
clear
B)
Dioecious done
clear
C)
Monoecious done
clear
D)
None of these done
clear
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question_answer18)
Cycas revoluta is [RPMT 1985, Pb. PMT 1997, CET Chd. 1999, CPMT 2002]
A)
Date Palm done
clear
B)
Sea Palm done
clear
C)
Royal Palm done
clear
D)
Sago Palm done
clear
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question_answer19)
Wood of Cycas is [RPMT 1985; APMEE 1996; Wardha 2002; DPMT 2004]
A)
Monoxylic and manoxylic done
clear
B)
Manoxylic and polyxylic done
clear
C)
Diploxylic done
clear
D)
Monoxylic done
clear
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question_answer20)
Cycas contains [CPMT 1987; MP PMT 1988]
A)
Mucilage ducts done
clear
B)
Laticiferous vessels done
clear
C)
Resin ducts done
clear
D)
Oil ducts done
clear
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question_answer21)
In Cycas, pollination is by [MP PMT 1984; BHU 1986; CPMT 1990; DPMT 1999]
A)
Wind done
clear
B)
Insect done
clear
C)
Water done
clear
D)
Both (a) and (b) done
clear
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question_answer22)
In Cycas, the ovules are attached to megasporophyll [CPMT 1989]
A)
Laterally done
clear
B)
Dorsally done
clear
C)
Ventrally done
clear
D)
Apically done
clear
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question_answer23)
Cycas resembles angiosperms in having [MP PMT 1996]
A)
Circinate vernation in leaves done
clear
B)
Vessels done
clear
C)
Motile sperms done
clear
D)
Ovules done
clear
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question_answer24)
Pollen grain of Cycas are shed at stage [MP PMT 1984; CPMT 1990, 93]
A)
One - celled done
clear
B)
Two - celled done
clear
C)
Three - celled done
clear
D)
Four - celled done
clear
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question_answer25)
In Cycas, the endosperm is [CPMT 1989, 91]
A)
Sporophytic structure done
clear
B)
Gametophytic structure done
clear
C)
New structure done
clear
D)
Formed after fertilization done
clear
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question_answer26)
Male gametes of cycads are [CPMT 1992]
A)
Rounded and nonciliate done
clear
B)
Sickle - shaped biflagellate done
clear
C)
Boat ? shaped nonciliate done
clear
D)
Large, top-like, spirally twisted with cilia done
clear
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question_answer27)
Coralloid roots of Cycas possess a symbiotic alga [CPMT 1991, 93; Bihar PMT 1996; BHU 1998; Pb. PMT 1999]
A)
Aulosira done
clear
B)
Spirogyra done
clear
C)
Ulothrix done
clear
D)
Anabaena done
clear
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question_answer28)
Coralloid roots help Cycas in [CPMT 1992]
A)
Fixation and absorption of nitrogen done
clear
B)
Absorption of water done
clear
C)
Absorption of minerals done
clear
D)
Respiration done
clear
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question_answer29)
Cycas and ferns resemble in possessing [CPMT 1991]
A)
Circinate venation done
clear
B)
Pollen tube done
clear
C)
Ovule done
clear
D)
Seeds done
clear
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question_answer30)
Sago of Cycas is given to patients with stomach disorders because it is [AIIMS 1997]
A)
Cheap done
clear
B)
Easily digestible with less starch done
clear
C)
Tastier done
clear
D)
With high nutritive value done
clear
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question_answer31)
Which is incorrect about Cycas [CBSE PMT 1998]
A)
Its xylem has vessels done
clear
B)
It has circinate venation done
clear
C)
It does not have well organised female flower done
clear
D)
Its roots possess some blue?green algae done
clear
View Solution play_arrow
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question_answer32)
Vegetative reproduction in Cycas occurs by [RPMT 1998]
A)
Scale leaves done
clear
B)
Sporophylls done
clear
C)
Bulbils done
clear
D)
Fragmentation done
clear
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question_answer33)
Megasporophyll of Cycas is homologous to [AIIMS 2002]
A)
Carpel done
clear
B)
Stamen done
clear
C)
Petal done
clear
D)
Sepal done
clear
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question_answer34)
What is true about foliage of Cycas [AMU 2002]
A)
Palmate and pinnate foliage leaves done
clear
B)
Brown scales and unpinnately green foliage leaves done
clear
C)
Oblong and long leaves done
clear
D)
Green and scaly leaves done
clear
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question_answer35)
Diploxylic condition occurs in Cycas in [APMEE 2002]
A)
Root done
clear
B)
Stem done
clear
C)
Coralloid root done
clear
D)
Leaflet done
clear
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question_answer36)
Microsporangia of Cycas occur over microsporophyll [AIIMS 1996; RPMT 2000]
A)
Adaxially done
clear
B)
Abaxially done
clear
C)
Laterally done
clear
D)
Marginally done
clear
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question_answer37)
The microsporophyll of Cycas represents a
A)
Male gamete done
clear
B)
Stamen done
clear
C)
Pollen grain done
clear
D)
Pollinium done
clear
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question_answer38)
Cycas trunk is covered with
A)
Leaves done
clear
B)
Leaf bases done
clear
C)
Scale leaves done
clear
D)
Both (a) and (b) done
clear
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question_answer39)
Ptyxis in Cycas is
A)
Simple done
clear
B)
Circular done
clear
C)
Circinate done
clear
D)
None of these done
clear
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question_answer40)
Inverted 'Omega' shaped arrangement of vascular bundles is found in
A)
Cycas leaflet done
clear
B)
Cycas rachis done
clear
C)
Cycas stem done
clear
D)
Cycas root done
clear
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question_answer41)
Transfusion tissue is found in
A)
Cycas leaf done
clear
B)
Cycas leaflet done
clear
C)
Cycas petiole done
clear
D)
Cycas root done
clear
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question_answer42)
The number of prothallial cells in male gametophyte of Cycas is
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
0 done
clear
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question_answer43)
Cycas ovule is
A)
Orthotropous and unitegmic done
clear
B)
Orthotropous and bitegmic done
clear
C)
Anatropous and unitegmic done
clear
D)
None of these done
clear
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question_answer44)
How many archegonia develop on one gametophyte of Cycas
A)
1 done
clear
B)
2 done
clear
C)
\[15\] done
clear
D)
\[36\] done
clear
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question_answer45)
Germination of Cycas seed is
A)
Epigeal done
clear
B)
Hypogeal done
clear
C)
Both (a) and (b) done
clear
D)
None of these done
clear
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question_answer46)
The number of neck canal cells in archegonium of Cycas is
A)
2 done
clear
B)
4 done
clear
C)
6 done
clear
D)
0 done
clear
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question_answer47)
The number of cotyledons in seed of Cycas is [CPMT 1990]
A)
1 done
clear
B)
2 done
clear
C)
Many done
clear
D)
All of these done
clear
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question_answer48)
Cycas plant is like ............. in appearance
A)
Mango done
clear
B)
Acacia done
clear
C)
Date palm done
clear
D)
Ficus done
clear
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question_answer49)
Vascular bundles of Cycas stem are
A)
Conjoint done
clear
B)
Collateral and closed done
clear
C)
Conjoint, collateral and open done
clear
D)
Conjoint, collateral and closed done
clear
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question_answer50)
Leaves in Cycas show
A)
Hydrophobic characters done
clear
B)
Xerophytic characters done
clear
C)
Mesophytic characters done
clear
D)
Lithophytic characters done
clear
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question_answer51)
Number of ovules present on megasporophyll of Cycas is
A)
Only one done
clear
B)
One pair done
clear
C)
1 ? 6 pairs done
clear
D)
Absent done
clear
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question_answer52)
In Cycas
A)
Male strobilus and megasporophylls occurs on the same individual done
clear
B)
The same cone consists of both micro and megasporophylls done
clear
C)
The same sporophyll bears microsporangia and ovules done
clear
D)
Male strobilus (cone) and megasporophylls occur on separate individuals done
clear
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question_answer53)
Secondary wood of Cycas is devoid of
A)
Tracheids done
clear
B)
Vessels done
clear
C)
Protoxylem done
clear
D)
Metaxylem done
clear
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question_answer54)
Polyembryony seen in Cycas is
A)
Potential true polyembryony done
clear
B)
Potential true polyembryony and cleavage polyembryony done
clear
C)
Adventive polyembryony done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer55)
The secondary growth in stem of Cycas is brought about by [CPMT 1990]
A)
Persistant cambium done
clear
B)
Short lived cambium done
clear
C)
Number of cambia produced in succession done
clear
D)
Isolated strips of cambium done
clear
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question_answer56)
Which species of Cycas is having largest male cones
A)
Cycas revoluta done
clear
B)
C. rumphii done
clear
C)
C. circinalis done
clear
D)
C. beddomei done
clear
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question_answer57)
Male and female Cycas plants show which type of growth
A)
Monopodial in both done
clear
B)
Sympodial in both done
clear
C)
Monopodial in male and sympodial in female plant done
clear
D)
Sympodial in male and monopodial in female plant done
clear
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question_answer58)
Negatively geotropic roots are found in [Orissa 2005]
A)
Colocasia done
clear
B)
Cycas done
clear
C)
Cactus done
clear
D)
Coleus done
clear
View Solution play_arrow
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question_answer59)
Cycas is living fossil as it has [BHU 1992]
A)
Ciliated sperms done
clear
B)
Structure like that of Tree Fern done
clear
C)
Restricted occurrence in certain areas done
clear
D)
Been found in fossil state also done
clear
View Solution play_arrow
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question_answer60)
Cycas has two cotyledons but is not included under angiosperms because it has [CBSE PMT 2001]
A)
Circinate ptyxis done
clear
B)
Compound leaves done
clear
C)
Monocot like stem done
clear
D)
Naked seeds done
clear
View Solution play_arrow
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question_answer61)
Early embryogeny in Cycas is characterized by [CPMT 1991]
A)
Absence of suspensor cell done
clear
B)
Presence of expanded free nuclear division done
clear
C)
Reduced free nuclear division done
clear
D)
Many cotyledons done
clear
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question_answer62)
Algal zone is characteristic of [CPMT 1994]
A)
Normal root of Cycas done
clear
B)
Root of Pinus done
clear
C)
Coralloid roots of Cycas done
clear
D)
Stem of Cycas done
clear
View Solution play_arrow
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question_answer63)
Transfusion tissue is found in [Manipal 2005]
A)
Cycas done
clear
B)
Ginkgo done
clear
C)
Pinus done
clear
D)
Both (a) and (b) done
clear
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question_answer64)
In Cycas Pollination takes place in [BHU 2005]
A)
3-celled stage done
clear
B)
4-celled stage done
clear
C)
2-celled stage done
clear
D)
1-celled stage done
clear
View Solution play_arrow
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question_answer65)
Coralloid roots is the feature of [BHU 2005]
A)
Cycas done
clear
B)
Mosses done
clear
C)
Pinus done
clear
D)
Selaginella done
clear
View Solution play_arrow