-
question_answer1)
Water is absorbed by
A)
Root hairs done
clear
B)
Root cap done
clear
C)
Root done
clear
D)
Root apex done
clear
View Solution play_arrow
-
question_answer2)
Pneumatophores occur in plants of [CBSE PMT 2000]
A)
Sandy soil done
clear
B)
Saline marshy soil done
clear
C)
Marshy soil done
clear
D)
Water done
clear
View Solution play_arrow
-
question_answer3)
Roots developing from plant parts other than radicle are [AFMC 1994; CET Chd. 1997; Haryana PMT 2005]
A)
Epiphyllous done
clear
B)
Epicaulous done
clear
C)
Adventitious done
clear
D)
Fibrous done
clear
View Solution play_arrow
-
question_answer4)
Roots are feebly developed in
A)
Hydrophytes done
clear
B)
Mesophytes done
clear
C)
Xerophytes done
clear
D)
Halophytes done
clear
View Solution play_arrow
-
question_answer5)
Nodulated roots occur in
A)
Pea done
clear
B)
Wheat done
clear
C)
Mustard done
clear
D)
Rice done
clear
View Solution play_arrow
-
question_answer6)
Root cap takes part in
A)
Formation of new cells done
clear
B)
Absorption of water and minerals done
clear
C)
Protection of root meristem done
clear
D)
Storage of food done
clear
View Solution play_arrow
-
question_answer7)
Conical fleshy roots occur in
A)
Sweet potato done
clear
B)
Dahlia done
clear
C)
Asparagus done
clear
D)
Carrot done
clear
View Solution play_arrow
-
question_answer8)
Napiform roots are recorded from
A)
Radish done
clear
B)
Carrot done
clear
C)
Beet done
clear
D)
Sweet potato done
clear
View Solution play_arrow
-
question_answer9)
Fusiform roots are found in [BHU 1996]
A)
Solanum tuberosum done
clear
B)
Calocasia done
clear
C)
Daucus carota done
clear
D)
Raphanus sativus done
clear
View Solution play_arrow
-
question_answer10)
Primary root and its branches constitute
A)
Adventitious root system done
clear
B)
Tap root system done
clear
C)
Fibrous roots done
clear
D)
Seminal roots done
clear
View Solution play_arrow
-
question_answer11)
Stilt roots are reported from [Bihar PMT 1994; BHU 1996; Orissa JEE 1997]
A)
Pandanus done
clear
B)
Radish done
clear
C)
Mango-ginger done
clear
D)
Bryophyllum done
clear
View Solution play_arrow
-
question_answer12)
Assimilatory (Photosynthetic) roots a characteristic of [Kerala CET 2000]
A)
Trapa and Tinospora done
clear
B)
Taeniophyllum and Podostemon done
clear
C)
Both correct done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer13)
Root bears
A)
Nodes only done
clear
B)
Internodes only done
clear
C)
Both nodes and internodes done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer14)
Root pockets act as balancers and found in
A)
Hydrophytes done
clear
B)
Free floating hydrophytes done
clear
C)
Fixed floating hydrophytes done
clear
D)
Submerged hydrophytes done
clear
View Solution play_arrow
-
question_answer15)
The root that never does primary function is
A)
Nodulated root of gram done
clear
B)
Conical roots of carrot done
clear
C)
Buttress roots of Ficus done
clear
D)
Stilt root of maize done
clear
View Solution play_arrow
-
question_answer16)
Monocot plants are characterised by the presence of [J & K CET 2005]
A)
Tap roots done
clear
B)
Fibrous roots done
clear
C)
Annulated roots done
clear
D)
Stilt roots done
clear
View Solution play_arrow
-
question_answer17)
Nodulated roots bearing family is [RPMT 1993, 95, 96]
A)
Mimosoideae done
clear
B)
Caesalpinoideae done
clear
C)
Papilionatae done
clear
D)
Solanaceae done
clear
View Solution play_arrow
-
question_answer18)
Clinging and epiphytic roots are found in [RPMT 1991; CBSE PMT 1999]
A)
Orchid done
clear
B)
Tinospora / Trapa done
clear
C)
Rhizophora / Pandanus done
clear
D)
Pothos / Podostemon done
clear
View Solution play_arrow
-
question_answer19)
Bacteria found in root nodules of legumes are [CPMT 1998; DPMT 2002]
A)
Nitrobacter done
clear
B)
Nitrosomonas done
clear
C)
Rhizobium done
clear
D)
Azotobacter done
clear
View Solution play_arrow
-
question_answer20)
In Pandanus (Screw pine) stilt roots arise from
A)
Basal nodes done
clear
B)
Upper surface of oblique stem done
clear
C)
Lower side of oblique stem done
clear
D)
Anywhere done
clear
View Solution play_arrow
-
question_answer21)
In Ipomoea batatas/Sweet potato the food is stored in [CPMT 1983; BHU 1986, 89; Bihar PMT 1994; JKCMEE 2002]
A)
Root tuber done
clear
B)
Stem tuber done
clear
C)
Bud done
clear
D)
Leaves done
clear
View Solution play_arrow
-
question_answer22)
In maize, the fibrous roots develop from [AFMC 1981, 89; JIPMER 1986]
A)
Lower nodes done
clear
B)
Upper nodes done
clear
C)
Upper internodes done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer23)
Prolongation of radicle gives rise to [Bihar PMT 1980; AMU 1986]
A)
Fibrous root system done
clear
B)
Primary root done
clear
C)
Stilt root done
clear
D)
Pillar root done
clear
View Solution play_arrow
-
question_answer24)
Edible part of Sweet potato is
A)
Stem tuber done
clear
B)
Unripe fruit done
clear
C)
Adventitious root tuber done
clear
D)
Rhizome done
clear
View Solution play_arrow
-
question_answer25)
Leguminous plants possess [RPMT 1993]
A)
Napiform roots done
clear
B)
Nodulated roots done
clear
C)
Tuberous roots done
clear
D)
Fusiform roots done
clear
View Solution play_arrow
-
question_answer26)
Roots are used in vegetative propagation in [AMU 1989]
A)
Potato done
clear
B)
Sweet potato done
clear
C)
Ginger done
clear
D)
Onion done
clear
View Solution play_arrow
-
question_answer27)
Which modification of root does not store food [AMU 1987]
A)
Tuberous done
clear
B)
Napiform done
clear
C)
Conical done
clear
D)
Stilt done
clear
View Solution play_arrow
-
question_answer28)
Epiphytic roots occur in [NCERT 1982]
A)
Rhizophora done
clear
B)
Trapa done
clear
C)
Vanda done
clear
D)
Asparagus done
clear
View Solution play_arrow
-
question_answer29)
Climbing roots are present in [NCERT 1983]
A)
Loranthus done
clear
B)
Curcuma amada done
clear
C)
Rose done
clear
D)
Piper betle done
clear
View Solution play_arrow
-
question_answer30)
Sweet potato is modification of [CPMT 1978, 80; AIIMS 1984; J & K CET 2005]
A)
Leaf done
clear
B)
Root done
clear
C)
Stem done
clear
D)
Flowering axis done
clear
View Solution play_arrow
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question_answer31)
Which is not a product of root [CPMT 1993]
A)
Sugarbeet done
clear
B)
Carrot done
clear
C)
Radish done
clear
D)
Potato done
clear
View Solution play_arrow
-
question_answer32)
Aerial absorptive roots occur in [Orissa JEE 1995]
A)
Epiphytes done
clear
B)
Mesophytes done
clear
C)
Hydrophytes done
clear
D)
Xerophytes done
clear
View Solution play_arrow
-
question_answer33)
Balancing roots occur in
A)
Hydrilla done
clear
B)
Vallisneria done
clear
C)
Lemna done
clear
D)
Lotus done
clear
View Solution play_arrow
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question_answer34)
Climbing roots occur in [APMEE 1996; CBSE PMT 1999]
A)
Vanilla done
clear
B)
Vanda done
clear
C)
Pongamia done
clear
D)
Taeniophyllum done
clear
View Solution play_arrow
-
question_answer35)
A rootless angiosperm is
A)
Cuscuta done
clear
B)
Balanosphora done
clear
C)
Utricularia done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer36)
Choose the correct statement about haustorial (Parasitic) roots of Cuscuta
A)
These roots develop contact with xylem of host done
clear
B)
These develop contact with xylem and phloem of host done
clear
C)
These develop contact with phloem of host to get food done
clear
D)
These develop contact with pericycle and lateral roots of host done
clear
View Solution play_arrow
-
question_answer37)
Respiratory roots are found in
A)
Sonneratia and Heritiera done
clear
B)
Trapa done
clear
C)
Rhizophores done
clear
D)
Eichhornia done
clear
View Solution play_arrow
-
question_answer38)
A modification of the following is a sucking structure
A)
Pneumatophores done
clear
B)
Climbing roots done
clear
C)
Assimilatory roots done
clear
D)
Haustorial roots done
clear
View Solution play_arrow
-
question_answer39)
In orchids which of the following types of roots are found [AMU 1991]
A)
Tuberous roots done
clear
B)
Assimilatory roots done
clear
C)
Respiratory roots done
clear
D)
Pneumatophores done
clear
View Solution play_arrow
-
question_answer40)
Epiphyllous roots in Begonia and Bryophyllum are
A)
Green roots done
clear
B)
Modified leaves done
clear
C)
Roots bearing stem done
clear
D)
Roots arising from leaves done
clear
View Solution play_arrow
-
question_answer41)
Pneumatophores are characteristics of family [MP PMT 1987; Bihar PMT 2001]
A)
Loranthaceae done
clear
B)
Hydrocharitaceae done
clear
C)
Rhizophoraceae done
clear
D)
Orchidaceae done
clear
View Solution play_arrow
-
question_answer42)
There is maximum growth in root [CPMT 1998; AFMC 1993]
A)
In the dark done
clear
B)
In the light done
clear
C)
At the root apex done
clear
D)
Just behind the root apex done
clear
View Solution play_arrow
-
question_answer43)
Prop roots of Banyan tree are meant for [CPMT 1983]
A)
Respiration done
clear
B)
Absorption of water from soil done
clear
C)
Retention of water in soil done
clear
D)
Providing support to big tree done
clear
View Solution play_arrow
-
question_answer44)
Roots have thorny branches in [BHU 1989]
A)
Vanilla done
clear
B)
Asparagus done
clear
C)
Acanthorhiza done
clear
D)
Pothos done
clear
View Solution play_arrow
-
question_answer45)
Root cap is absent in [BHU 1994, 2000]
A)
Hydrophytes done
clear
B)
Lithophytes done
clear
C)
Xerophytes done
clear
D)
Mesophytes done
clear
View Solution play_arrow
-
question_answer46)
Sucking roots occur in [NCERT 1983]
A)
Ficus done
clear
B)
Vanda done
clear
C)
Carrot done
clear
D)
Mistletoe done
clear
View Solution play_arrow
-
question_answer47)
Which is not a stem modification [AFMC 1990]
A)
Ginger done
clear
B)
Mango-ginger done
clear
C)
Potato done
clear
D)
Garlic done
clear
View Solution play_arrow
-
question_answer48)
Food is stored in one of the following [AFMC 1980; Kerala CET 2001]
A)
Respiratory root done
clear
B)
Fibrous root done
clear
C)
Fasciculated root done
clear
D)
Nodulated root done
clear
View Solution play_arrow
-
question_answer49)
White spongy floating roots occur in [MP PMT 1984, 86]
A)
Trapa done
clear
B)
Nymphaea done
clear
C)
Eichhornia done
clear
D)
Jussiaea done
clear
View Solution play_arrow
-
question_answer50)
Prop or pillar roots are [CPMT 1983; JIPMER 1983]
A)
Fasciculated roots done
clear
B)
Tap roots done
clear
C)
Adventitious roots done
clear
D)
Secondary roots done
clear
View Solution play_arrow
-
question_answer51)
Photosynthetic roots are recorded from
A)
Jussiaea done
clear
B)
Rhizophora done
clear
C)
Bryophyllum done
clear
D)
Tinospora done
clear
View Solution play_arrow
-
question_answer52)
Root pocket occurs in
A)
Maize done
clear
B)
Pandanus done
clear
C)
Banyan done
clear
D)
Water Hyacinth done
clear
View Solution play_arrow
-
question_answer53)
Pneumatophores occur in [APMEE 1995]
A)
Vanda done
clear
B)
Avicennia done
clear
C)
Banyan done
clear
D)
Mirabilis done
clear
View Solution play_arrow
-
question_answer54)
Nodulated roots make the plant rich in
A)
Food done
clear
B)
Proteins done
clear
C)
Carbohydrates done
clear
D)
Fats done
clear
View Solution play_arrow
-
question_answer55)
In Turnip, 2/3 part of swollen area is derived from
A)
Hypophysis done
clear
B)
Hypocotyl done
clear
C)
Epicotyl done
clear
D)
Radicle done
clear
View Solution play_arrow
-
question_answer56)
A root hair is
A)
Always unicellular done
clear
B)
May be unicellular or multicellular done
clear
C)
Unicellular but branched done
clear
D)
Multicellular and branched done
clear
View Solution play_arrow
-
question_answer57)
A tap root is always
A)
+vely geotropic and +vely hydrotropic done
clear
B)
+vely phototropic and +vely hydrotropic done
clear
C)
-vely geotropic and +vely hydrotropic done
clear
D)
-vely hydrotropic and -vely geotropic done
clear
View Solution play_arrow
-
question_answer58)
Roots help in clinging and climbing in
A)
Pothos and Tecoma done
clear
B)
Hedera (Ivy) and Piper (Betel) done
clear
C)
Black pepper done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer59)
Stilt roots which grow obliquely from basal nodes of culm stem and acting as brace are found in [MP PMT 1993; DPMT 1999]
A)
Sorghum done
clear
B)
Maize done
clear
C)
Sugarcane done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer60)
In roots, branches (Secondary roots) are
A)
Stellar in origin done
clear
B)
Cortical in origin done
clear
C)
Stellar and endogenous done
clear
D)
Cortical and exogenous done
clear
View Solution play_arrow
-
question_answer61)
In Pandanus (Screw Pine) root cap is
A)
Simple, multicellular done
clear
B)
Multiple, multicellular done
clear
C)
Absent done
clear
D)
Replaced by root pocket done
clear
View Solution play_arrow
-
question_answer62)
Root cap is largest in
A)
Banyan done
clear
B)
Pandanus done
clear
C)
Jussiaea done
clear
D)
Maize done
clear
View Solution play_arrow
-
question_answer63)
Which one is a fleshy root
A)
Ficus benghalensis and Solanum tuberosum done
clear
B)
Raphanus sativus and Daucus carota done
clear
C)
Colocasia and Allium done
clear
D)
Chrysanthemum and Musa done
clear
View Solution play_arrow
-
question_answer64)
Roots are absent in
A)
Myriophyllum done
clear
B)
Ceratophyllum done
clear
C)
Utricularia and Wolffia done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer65)
In which, fleshy tap root, hypocotyl does not form root [CPMT 1988]
A)
Conical of carrot done
clear
B)
Fusiform of radish done
clear
C)
Napiform of radish done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer66)
Haustoria are
A)
Epiphytic roots done
clear
B)
Hygroscopic roots done
clear
C)
Reproductive roots done
clear
D)
Parasitic roots done
clear
View Solution play_arrow
-
question_answer67)
Root is distinguishable from stem in [NCERT 1980]
A)
Having a root cap done
clear
B)
Having root hairs done
clear
C)
Absence of nodes and internodes done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer68)
A root that never develops from radicle is
A)
Fibrous roots of grasses done
clear
B)
Stilt roots of maize done
clear
C)
Sucking roots of Cuscuta done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer69)
Seminal roots are found in
A)
Dicots done
clear
B)
Monocots done
clear
C)
Gymnosperms done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer70)
A root cap is absent in the root of
A)
Hanging prop root of Banyan done
clear
B)
Stilt root of Pandanus done
clear
C)
Epiphytic roots done
clear
D)
Seminal roots done
clear
View Solution play_arrow
-
question_answer71)
Velamen takes part in [MP PMT 1986; CPMT 1989, 91; Bihar PMT 1994]
A)
Absorption of moisture from air done
clear
B)
Absorption of water from soil done
clear
C)
Exchange of gases done
clear
D)
Transpiration done
clear
View Solution play_arrow
-
question_answer72)
Adventitious roots are adventitious in their
A)
Function done
clear
B)
Position done
clear
C)
Place of origin done
clear
D)
Internal structure done
clear
View Solution play_arrow
-
question_answer73)
In Dahlia, the roots are [MP PMT 1987]
A)
Fibrous done
clear
B)
Stilt done
clear
C)
Moniliform done
clear
D)
Fasciculated tuberous done
clear
View Solution play_arrow
-
question_answer74)
Pneumatophores are useful in [CPMT 1986, 96; BHU 1990]
A)
Respiration done
clear
B)
Transpiration done
clear
C)
Guttation done
clear
D)
Protein synthesis done
clear
View Solution play_arrow
-
question_answer75)
Pneumatophores or breathing roots occur in [CPMT 1984, 93; BHU 1984, 90; RPMT 1985; AIIMS 1985; APMEE 1999]
A)
Hydrophytes done
clear
B)
Epiphytes done
clear
C)
Xerophytes done
clear
D)
Mangrove plants done
clear
View Solution play_arrow
-
question_answer76)
Root hairs develop from [CPMT 1984]
A)
Region of maturation done
clear
B)
Zone of elongation done
clear
C)
Meristematic region done
clear
D)
Region of mature cells done
clear
View Solution play_arrow
-
question_answer77)
Haustoria or sucking roots occur in [CPMT 1978; BHU 1996; DPMT 1999; JIPMER 1999; Pb. PMT 1999]
A)
Betel done
clear
B)
Orchids done
clear
C)
Cuscuta done
clear
D)
Tinospora done
clear
View Solution play_arrow
-
question_answer78)
Relation between bacteria and legume having nodulated roots is that of
A)
Host-parasitism done
clear
B)
Commensalism done
clear
C)
Symbiosis done
clear
D)
Epiphytism done
clear
View Solution play_arrow
-
question_answer79)
Buttress roots are
A)
Aerial done
clear
B)
Underground done
clear
C)
Aquatic done
clear
D)
Horizontal done
clear
View Solution play_arrow
-
question_answer80)
Velamen is present in [CPMT 1988, 2001]
A)
Tuberous roots done
clear
B)
Epiphytic roots of orchids done
clear
C)
Breathing roots done
clear
D)
Parasitic roots done
clear
View Solution play_arrow
-
question_answer81)
'Pneumatophores' are present/common in [BHU 2005]
A)
Xerophytes done
clear
B)
Hygrophytes done
clear
C)
Mesophytes done
clear
D)
Halophytes done
clear
View Solution play_arrow
-
question_answer82)
Reproductive roots taking part in reproduction are found in
A)
Dalbergia (Shisham) done
clear
B)
Dahlia done
clear
C)
Sweet Potato (Ipomoea) done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer83)
Which of the following pairs are correctly matched (1) Assimilatory roots - Photosynthesis (2) Fasciculated roots - Food storage (3) Stilt root - Mechanical support (4) Sucking root - Absorption of moisture from the air Select the correct answer -
A)
2, 3 and 4 done
clear
B)
1, 2 and 4 done
clear
C)
1, 3 and 4 done
clear
D)
1, 2 and 3 done
clear
View Solution play_arrow
-
question_answer84)
Epiphytes like Vanda develop special layer of absorptive tissue velamen consiting of 4 or 5 layers of long polygonal cells. Velamen is formed by [BHU 1996; AIIMS 2001]
A)
Absorbing roots done
clear
B)
Stem done
clear
C)
Clinging roots done
clear
D)
Hanging roots done
clear
View Solution play_arrow
-
question_answer85)
Lateral roots arise from primordia developed by division of
A)
Pericycle cells in between two protoxylem points done
clear
B)
Pericycle cells opposite protoxylem points done
clear
C)
Endodermis cells in between two protoxylem points done
clear
D)
Endodermis opposite protoxylem points done
clear
View Solution play_arrow
-
question_answer86)
Regions of root from base to root tip are [AMU 2001]
A)
Maturation zone - Cell division zone - Elongation zone done
clear
B)
Maturation zone - Elongation zone - Cell division zone done
clear
C)
Cell division zone - Elongation zone - Maturation zone done
clear
D)
Elongation zone - Cell division zone - Maturation zone done
clear
View Solution play_arrow
-
question_answer87)
A plant with epidermis specialised to absorb moisture from air is [APMEE 2002]
A)
Avicennia done
clear
B)
Vanda done
clear
C)
Rhizophora done
clear
D)
Jussiaea done
clear
View Solution play_arrow
-
question_answer88)
Hygroscopic roots occur in [AMU 2002]
A)
Vanda done
clear
B)
Rhizophora done
clear
C)
Bryophyllum done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer89)
A root is adventitious when it is [CPMT 2002]
A)
Swollen done
clear
B)
Growing in marshy places done
clear
C)
Formed from plumule done
clear
D)
Modified for storage done
clear
View Solution play_arrow
-
question_answer90)
Soil binding roots are found in
A)
Sugarcanes done
clear
B)
Maize done
clear
C)
Grasses done
clear
D)
Dicots done
clear
View Solution play_arrow
-
question_answer91)
Which type of root is found in Mirabilis jalapa
A)
Respiratory done
clear
B)
Tuberous done
clear
C)
Reproductive done
clear
D)
Fasciculated done
clear
View Solution play_arrow
-
question_answer92)
A fleshy root tapering at both ends is [AMU 2001]
A)
Fusiform done
clear
B)
Conical done
clear
C)
Napiform done
clear
D)
Tuberous done
clear
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question_answer93)
A fibrous root system is better adapted than tap root system for [BHU 1993, 2001; AMU 2001]
A)
Storage of food done
clear
B)
Anchorage of plant to soil done
clear
C)
Absorption of water and minerals done
clear
D)
Transport of water and organic food done
clear
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question_answer94)
In angiosperms, lateral roots arise from [BHU 2000; 04; MHCET 2001]
A)
Endodermis done
clear
B)
Cortex done
clear
C)
Pericycle done
clear
D)
Epiblemma done
clear
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question_answer95)
Which of the following is absent in root hair [BVP 2001]
A)
Cell wall done
clear
B)
Vacuole done
clear
C)
Nucleus done
clear
D)
Chloroplast done
clear
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question_answer96)
In which the pneumatophores are found [BVP 2001]
A)
Tinospora done
clear
B)
Pinus done
clear
C)
Rhizophora done
clear
D)
None of these done
clear
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question_answer97)
Root which grow from branches of Banyan tree are [Orissa JEE 2005]
A)
Breathing roots done
clear
B)
Climbing roots done
clear
C)
Hanging roots done
clear
D)
Prop roots done
clear
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question_answer98)
Outer covering of epiphytic root is [Orissa JEE 2005]
A)
Osmophore done
clear
B)
Rhizophore done
clear
C)
Velamen done
clear
D)
Pneumatophore done
clear
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