Friday, June 7, 2013

PLANT KINGDOM

1.    In mosses meiosis occurs
    (a) during spore formation
    (b) in the zygote
    (c) in the gametangium
    (d) in the gametes
2.    In bryophytes
    (a) both sporophyte and gametophyte are independent
    (b) sporophyte is dependent on gametophyte
    (c) both sporophyte and gametophyte are dependent
    (d) both gametophyte is dependent on sporophyte
3.    Amphibians of the plant kingdom are
    (a) Pteridophytes    (b) Angiosperms
    (c) Gymnosperms    (d) Bryophytes
4.    Archegonium is
    (a) female sex organ
    (b) aggregation of sporophylls
    (c) vegetatively reproducing structure
    (d) male sex organ
5.    Foot, seta and capsule are the parts of
    (a) Gametophyte in bryophytes
    (b) Sporophyte in pteridophytes
    (c) Sporophyte in bryophytes
    (d) Gametophyte in angiosperms
6.    Mosses reproduce vegetatively by
    (a) Spores        (b) Fragmentation
    (c) Secondary protonema (d) (b) and (c)
7.    Plant body is a sporophyte with true root, stem and leaves but not flowers in
    (a) Bryophyta        (b) Gymnosperms
    (c) pteridophyta        (d) Algae
8.    Bryophytes that prevent soil erosion by forming dense mats on the soil are
    (a) Ferns        (b) Kelps
    (c)Horsetails        (d) Mosses
9.    Bryophytes are
    (a) First thallophytes (b) First spermatophytes
    (c) First embryophytes
    (d) First tracheophytes
10.    This product of bryophytes is used as fuel
    (a) Bryokenin        (b) Club moss
    (c) Peat            (d) Horn worts
11.    Irish Moss is
    (a) Chondrus        (b) Bryum
    (c) Funaria        (d) Selaginella
12.    The ‘stem and ‘leaves’ in Funaria are not real because
    (a) They are a part of gametophytic generation
    (b) They lack xylem and phloem
    (c) Both a and b
    (d) Neither of the two
13.    The juvenile stage of the gametophyte of moss is
    (a) Green, filamentous and branched structure called protonema
    (b) A tetraflagellate body
    (c) Dorsoventrally flattened plate like body
    (d) A colourless mass of tubular structures
14.    Sphagnum is also called ‘Peat Moss’ because it
    (a) Occurs in peat   
    (b) Grows in acidic marshes
    (c) Decays to form peat
    (d) Quickness fossilisation
15.    In bryophytes, embryo/sporophyte develops inside
    (a) Antheridium        (b) Aporangium
    (c) Archegonium    (D) Male branch
16.    Bryophytes are amphibians of the platn kingdom because
    (a) They require a layer of water for carrying out sexual reproduction
    (b) They occur in damp places
    (c) They are mostly aquatic
    (d) All the above
17.    Number of peristome teeth in Funaria capsule is                  ( NEET)
    (a) 16 in one whorl    (b) 16 in two whorls
    (c) 32 in two horls    (d) 32 in one whorl
18.    Elater mechanism of spore dispersal is found in
    (a) Riccia        (b) Marchantia
    (c) Funaria        (d) Fern
19.    All bryophytes are
    (a) Strictly homosporous
    (b) Strictly heterosporous
    (c) Strictly monocious
    (d) Strictly dieoecious
20.    Funaria differs from Marchantia in having;
    (a) Gametophyte    (b) Ventral canal cell
    (c) Foot            (d) Protonema
21.    (A) : Bryophytes and tracheophytes have an embryo stage in their life cycle.
    (R) : Embryophytes are terrestrial plants
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
22.    (A) : The bryophytes exist in two phasesgametophyte and sporophyte
    (R) : The sporophyte is nutritionally independent
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
23.    (A) : Bryophytes lack non-motile mitospores
    (R) : Fragmentation is a means of vegetative reproduction in bryophytes.
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
24.    (A) :  In marchantia, elaters are directly formed from the sporogenous cells.
    (R) : Elaters are haploid
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
25    (A) : Upper surface of Marchantia thallus shows formation of gemma cups.
    (R) : One gemma cup contains one gemma.
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
26.    (A) : Sphagnum is called peat moss.
    (R) : It is the major compinent of peat.
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
27.    (A) : Sphagnum is used for dressing wounds.
    (R) : Sphagnum cannot absorb water.
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
28.    (A): Members of class Hepaticopsida are called as Hornworts
    (R) : Riccia, Marchantia are important hornworts
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
29.    (A) : Bryophytes are not aquatic
    (R) : Bryophytes show heteromorphic alternation of generations in their life cycle.
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
30.    (A) : Sphagnum is the most economically important Bryophyte
    (R) : Sphagnum helps in flood control, as packing meterial and maintains acidity.
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong
31.    (A) : Some Bryophytes possess elaters in their sporophyte
    (R) : Elaters have hygroscopic spiral thickenings which help in spore dispersal
    (a) Both (A) and (R) are true and (R) is correct explanation of (A)
    (b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
    (c) (A) is true but (R) is false
    (d) Both (A) are (R) wrong


KEY
    1)a    2)b    3)d    4)a    5)c    6)d
    7)c    8)d    9)c    10)c    11)a    12)c
    13)a    14)c    15)c    16)a    17)c    18)b
    19)b    20)d    21)b    22)c    23)b    24)c
    25)c    26)a    27)c    28)d    29)b    30)a
    31)a

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