NEET Biology Organisms and population Question Bank

done Ecological Plant Groups and Succession Total Questions - 63

• question_answer1)
  Succession is
  A)
  Series of physical changes that occur in an area done clear
  B)
  Development of biotic communities on a bare area done clear
  C)
  Series of biotic communities that appear in a previously bare area done clear
  D)
  Both a and b done clear
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• question_answer2)
  In succession the serial forms are
  A)
  Large sized done clear
  B)
  Long lived done clear
  C)
  Small sized done clear
  D)
  Slow growing done clear
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• question_answer3)
  Succession on secondary bare area is
  A)
  Primosere done clear
  B)
  Xerosere done clear
  C)
  Subsere done clear
  D)
  None above done clear
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• question_answer4)
  Secondary succession occurs on
  A)
  Burnt lands done clear
  B)
  Lumbered lands done clear
  C)
  Cut wood lands done clear
  D)
  All of these done clear
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• question_answer5)
  Plant succession is a ............. process
  A)
  Definite done clear
  B)
  Haphazard done clear
  C)
  Unimportant done clear
  D)
  None of these done clear
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• question_answer6)
  In submerged plants
  A)
  Anaerobic respiration is a rule done clear
  B)
  Aerobic respiration occurs by utilizing dissolved oxygen of water done clear
  C)
  Anaerobic and aerobic respiration take place simultaneously done clear
  D)
  None of the above done clear
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• question_answer7)
  Mangrove forests are found in
  A)
  Uttar Pradesh done clear
  B)
  Madhya Pradesh done clear
  C)
  West Bengal done clear
  D)
  Himachal Pradesh done clear
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• question_answer8)
  Water plants provide ....... to water animals
  A)
  \[{{O}_{2}}\]and food done clear
  B)
  Water and \[C{{O}_{2}}\] done clear
  C)
  Food and water done clear
  D)
  Shelter and shade done clear
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• question_answer9)
  The early settlers on a barren area are [NCERT 1980]
  A)
  Ferns done clear
  B)
  Mosses done clear
  C)
  Lichens done clear
  D)
  Diatoms done clear
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• question_answer10)
  A community which starts succession in a habitat is  [AMU 1983, 89, 98; Manipal 1997]
  A)
  Pioneer community done clear
  B)
  Seral community done clear
  C)
  Biotic community done clear
  D)
  Ecosere done clear
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• question_answer11)
  Mangrove vegetation is found in [BHU 1986; Haryana PMT 2005]
  A)
  Dehradoon valley done clear
  B)
  Kullu valley done clear
  C)
  Western ghats done clear
  D)
  Sundervans done clear
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• question_answer12)
  Alpine plants which are commonly found at the top of mountains show [MP PMT 1988]
  A)
  Xerophytism done clear
  B)
  Hydrophytism done clear
  C)
  Semitism done clear
  D)
  None of the above done clear
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• question_answer13)
  Ephemerals are xerophytes that are [BHU 1990]
  A)
  Drought enduring done clear
  B)
  Drought escaping done clear
  C)
  Drought resisting done clear
  D)
  None of the above done clear
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• question_answer14)
  Plants growing in saline and marshy conditions are called [BHU 1990, 91; AFMC 1987, 90; CPMT 2002]
  A)
  Lithophytes done clear
  B)
  Mesophytes done clear
  C)
  Halophytes done clear
  D)
  Psammophytes done clear
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• question_answer15)
  The vegetation of Delhi is chiefly [CPMT 1991]
  A)
  Hydrophytic done clear
  B)
  Xerophytic done clear
  C)
  Mesophytic done clear
  D)
  Halophytic done clear
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• question_answer16)
  Extreme xerophytic condition is shown by [CPMT 1991]
  A)
  Brassica done clear
  B)
  Capparis done clear
  C)
  Cactus done clear
  D)
  Nerium done clear
  View Solution play_arrow

• question_answer17)
  Desert can be converted into greenland by [MP PMT 1994; AIIMS 2001]
  A)
  Oxylophytes done clear
  B)
  Psammophytes done clear
  C)
  Halophytes done clear
  D)
  Tropical trees done clear
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• question_answer18)
  In halophytes, pneumatophores are helpful in [CPMT 1993]
  A)
  Protein synthesis done clear
  B)
  Respiration done clear
  C)
  Transpiration done clear
  D)
  Carbohydrate etabolism done clear
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• question_answer19)
  Rhizophora is an example of [RPMT 1995]
  A)
  Hydrophytes done clear
  B)
  Lithophytes done clear
  C)
  Mesophytes done clear
  D)
  Halophytes done clear
  View Solution play_arrow

• question_answer20)
  Acacia arabica is a [AFMC 1997; BVP 2000]
  A)
  Mesophyte done clear
  B)
  Hydrophyte done clear
  C)
  Xerophyte done clear
  D)
  Halophyte done clear
  View Solution play_arrow

• question_answer21)
  Casuarina equisetifolia is a [EAMCET 1995]
  A)
  Mesophyte done clear
  B)
  Xerophyte done clear
  C)
  Halophyte done clear
  D)
  Forest epiphyte done clear
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• question_answer22)
  The plants in which vascular tissues are absent and well developed aerenchyma is present, are [CPMT 1995]
  A)
  Xerophytes done clear
  B)
  Halophytes done clear
  C)
  Hydrophytes done clear
  D)
  Mesophytes done clear
  View Solution play_arrow

• question_answer23)
  Eichornia crassipes is a [MP PMT 1996]
  A)
  Desert plant done clear
  B)
  Parasite done clear
  C)
  Water plant done clear
  D)
  Terrestrial plant done clear
  View Solution play_arrow

• question_answer24)
  Plants of salty seashore wet-lands are called [MP PMT 1996]
  A)
  Halophytes done clear
  B)
  Heliophytes done clear
  C)
  Hydrophytes done clear
  D)
  Saprophytes done clear
  View Solution play_arrow

• question_answer25)
  Pneumatophores plants are found [CPMT 1999; JIPMER 2001]
  A)
  In desert done clear
  B)
  Near river banks done clear
  C)
  In grasslands done clear
  D)
  On mountains done clear
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• question_answer26)
  Excessive aerenchyma is characteristic of [CPMT 1999]
  A)
  Hydrophytes done clear
  B)
  Xerophytes done clear
  C)
  Mesophytes done clear
  D)
  Heliophytes done clear
  View Solution play_arrow

• question_answer27)
  Mark the correct pair [KCET 1998]
  A)
  Plants growing in shady places - Heliophytes done clear
  B)
  Plants growing in light - Sciophytes done clear
  C)
  Plants growing in saline soil - Halophytes done clear
  D)
  Roots are absent - Xerophytes done clear
  View Solution play_arrow

• question_answer28)
  Pneumatophore roots are present in [Pb. PMT 1999; RPMT 1999]
  A)
  Mesophytes done clear
  B)
  Xerophytes done clear
  C)
  Hydrophytes done clear
  D)
  Halophytes done clear
  View Solution play_arrow

• question_answer29)
  Which is adapted for aquatic habit [Pb. PMT 1999; RPMT 1999]
  A)
  Aldrovenda done clear
  B)
  Vallisneria done clear
  C)
  Sancatia done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer30)
  The first plants to reappear in a badly burned forest area will most probably be [CPMT 1988]
  A)
  Mosses done clear
  B)
  Liverworts done clear
  C)
  Ferns done clear
  D)
  Grasses done clear
  View Solution play_arrow

• question_answer31)
  Last stabilised community in a plant succession is known as [CPMT 1984; DPMT 2004]
  A)
  Seral Community done clear
  B)
  Pioneer Community done clear
  C)
  Ecosere done clear
  D)
  Climax Community done clear
  View Solution play_arrow

• question_answer32)
  Intermediate community between pioneer and climax communities is called [AMU 1983]
  A)
  Serial Community done clear
  B)
  Biotic Community done clear
  C)
  Temporary Community done clear
  D)
  Ecosere done clear
  View Solution play_arrow

• question_answer33)
  Climax vegetation of a region is generally [CPMT 1987]
  A)
  Xerophytic done clear
  B)
  Hydrophytic done clear
  C)
  Mesophytic done clear
  D)
  Depends upon the climate done clear
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• question_answer34)
  Primary succession is development of communities on [CBSE PMT 1995]
  A)
  Newly exposed habitat done clear
  B)
  Cleared forest area done clear
  C)
  Freshly harvested crop field done clear
  D)
  Pond filled after a dry season done clear
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• question_answer35)
  Succession showing changes in communities at a place is called [AMU 1997]
  A)
  Geographical succession done clear
  B)
  Biotic succession done clear
  C)
  Physiographic succession done clear
  D)
  Climatic succession done clear
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• question_answer36)
  Xeric environment is characterised by [CBSE PMT 1994]
  A)
  Precipitation done clear
  B)
  Low atmospheric humidity done clear
  C)
  Extremes of temperature done clear
  D)
  High rate of vapourisation done clear
  View Solution play_arrow

• question_answer37)
  What is wrong about xerophytes [CPMT 1994]
  A)
  Sunken stomata done clear
  B)
  Small spiny leaves done clear
  C)
  Thick Cuticle done clear
  D)
  Larger number of stomata done clear
  View Solution play_arrow

• question_answer38)
  Which one is not a trait of xerophytes [Bih. PMT 1995]
  A)
  Thick cuticle done clear
  B)
  Sunken stomata done clear
  C)
  Aerenchyma done clear
  D)
  Well developed mechanical tissue done clear
  View Solution play_arrow

• question_answer39)
  Which one lacks both roots and stomata [RPMT 1996]
  A)
  Hydrophytes done clear
  B)
  Mesophytes done clear
  C)
  Hygrophytes done clear
  D)
  Halophytes done clear
  View Solution play_arrow

• question_answer40)
  The vegetation of Rajasthan is [CPMT 1996; Pb. PMT 2000; MHCET 2001, 03]
  A)
  Arctic done clear
  B)
  Alpine done clear
  C)
  Deciduous done clear
  D)
  Xerophytic done clear
  View Solution play_arrow

• question_answer41)
  Submerged hydrophytes exchange gases through [AIIMS 1997; Pb. PMT 2000; CPMT 2001, Bihar PMT 2001]
  A)
  Stomata done clear
  B)
  Hydathodes done clear
  C)
  Lenticels done clear
  D)
  General surface done clear
  View Solution play_arrow

• question_answer42)
  Type of plants having adaptations to check transpiration is [JIPMER 1998]
  A)
  Xerophytes done clear
  B)
  Lithophytes done clear
  C)
  Halophytes done clear
  D)
  Epiphytes done clear
  View Solution play_arrow

• question_answer43)
  The primary succession in a sere is [AMU 1998]
  A)
  Sub sere done clear
  B)
  Meso sere done clear
  C)
  Pioneer sere done clear
  D)
  None above done clear
  View Solution play_arrow

• question_answer44)
  One of them is a submerged hydrophyte [CPMT 1998]
  A)
  Ceratophyllum done clear
  B)
  Utricularia done clear
  C)
  Vallisneria and Hydrilla done clear
  D)
  Lemna done clear
  View Solution play_arrow

• question_answer45)
  Plants growing on sandstone are [RPMT 2000]
  A)
  Psammophytes done clear
  B)
  Oxylophytes done clear
  C)
  Lithophytes done clear
  D)
  Phanerophytes done clear
  View Solution play_arrow

• question_answer46)
  Plants like Rhizophora and Avecennia grow on the sea shores under saline condition. For this they have special roots for respiration which are called [CPMT 2000]
  A)
  Prop roots done clear
  B)
  Climbing roots done clear
  C)
  Floating roots done clear
  D)
  Pneumatophores done clear
  View Solution play_arrow

• question_answer47)
  Last stage of plant succession is [RPMT 2000]
  A)
  Ecotype done clear
  B)
  Seral community done clear
  C)
  Climax community done clear
  D)
  Ecotone done clear
  View Solution play_arrow

• question_answer48)
  Plants growing in acidic soils are known as [JIPMER 2002]
  A)
  Psammophytes done clear
  B)
  Oxalophytes done clear
  C)
  Lithophytes done clear
  D)
  Halophytes done clear
  View Solution play_arrow

• question_answer49)
  A physiological xerophyte is [APMEE 2002]
  A)
  Salicornia done clear
  B)
  Euphorbia done clear
  C)
  Salvia done clear
  D)
  Agave done clear
  View Solution play_arrow

• question_answer50)
  Root cap is absent in [RPMT 2002; Manipal 2005]
  A)
  Halophytes done clear
  B)
  Hydrophytes done clear
  C)
  Xerophytes done clear
  D)
  Homophytes done clear
  View Solution play_arrow

• question_answer51)
  Plants growing in saline soil/high concentration of salts are     [CPMT 2002; RPMT 2002]
  A)
  Xerophytes done clear
  B)
  Halophytes done clear
  C)
  Heliophytes done clear
  D)
  Hydrophytes done clear
  View Solution play_arrow

• question_answer52)
  Which is not true of hydrophytes [Orissa 2002]
  A)
  Poorly developed root system done clear
  B)
  Thin membranous leaves done clear
  C)
  Poorly developed large air spaces done clear
  D)
  Poorly developed vascular bundles done clear
  View Solution play_arrow

• question_answer53)
  A succulent xerophyte is [DPMT 2002]
  A)
  Capparis done clear
  B)
  Calotropis done clear
  C)
  Agave done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer54)
  Hydrophytes are characterised by [MP PMT 2003]
  A)
  Thick and large leaf done clear
  B)
  Delicate and mucilagenous stem done clear
  C)
  Short spinous stem done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer55)
  Mechanical tissue is best developed in [CPMT 2003]
  A)
  Hydrophytes done clear
  B)
  Halophytes done clear
  C)
  Xerophytes done clear
  D)
  Mesophytes done clear
  View Solution play_arrow

• question_answer56)
  Plants adapted to grow in shade are [CMC 2003]
  A)
  Psammophytes done clear
  B)
  Sciophytes done clear
  C)
  Mesophytes done clear
  D)
  Xerophytes done clear
  View Solution play_arrow

• question_answer57)
  Halophytes are [Orissa JEE 2004]
  A)
  Salt resistant done clear
  B)
  Fire resistant done clear
  C)
  Cold resistant done clear
  D)
  Sand loving done clear
  View Solution play_arrow

• question_answer58)
  Rhizophora is a characteristic component of [CPMT 1982; BHU 1984; MP PMT 2004; Orissa JEE 2004]
  A)
  Marsh plants done clear
  B)
  Swamp forests done clear
  C)
  Mangrove vegetation done clear
  D)
  Salt Swamp done clear
  View Solution play_arrow

• question_answer59)
  Characteristic feature of mangrove plants is [HP PMT 2005]
  A)
  Vivipary done clear
  B)
  Heterospory done clear
  C)
  Parthenocarpy done clear
  D)
    Apospory done clear
  View Solution play_arrow

• question_answer60)
  Plants near seashore is an example of [Bihar 2005]
  A)
  Halophyte done clear
  B)
  Mesophyte done clear
  C)
  Hydrophyte done clear
  D)
  Submerged plant done clear
  View Solution play_arrow

• question_answer61)
  In succession complexicities in structure[Haryana PMT 2005]
  A)
  Drastically increasing done clear
  B)
  Slowly increasing done clear
  C)
  Does not increasing done clear
  D)
  Constant done clear
  View Solution play_arrow

• question_answer62)
  Mangroves are [MP PMT 2005]
  A)
  Xerophytes done clear
  B)
  Hydrophytes done clear
  C)
  Halophytes done clear
  D)
  Glycophtes done clear
  View Solution play_arrow

• question_answer63)
  The waxy surface of the floating leaves of the hydrophytes prevents [Orissa JEE 2005]
  A)
  Respiration done clear
  B)
  Photosynthesis done clear
  C)
  Transpiration done clear
  D)
  Clogging of stomata done clear
  View Solution play_arrow