Plant Kingdom
Question 1
In which one of the followings largest gametophyte is found?
A.Angiosperm
B.Cycas
C.Nephrolepis
ANS:D.Polytrichum
Question 2
Which one of the following plants is monoecious?
ANS:A.Pinus
B.Marchantia
C.Papaya
D.Cycas
Question 3
Male and female gametophytes are independent and free-living in
A.Castor
B.Mustard
ANS:C.Sphagnum
D.Pinus
Question 4
Iodine is found in
A.Spirogyra
ANS:B.Laminaria
C.Polysiphonia
D.Chlorella
Question 5
Chlorenchyma is found in:
ANS:A.Spore capsule of a moss
B.Mycelium of a green mould such as Aspergillus
C.Cytoplasm of Chlorella
D.Pollen tube of Pinus
Question 6
Floridian starch is found in
A.Phaeophyceae
B.Chlorophyceae
ANS:C.Rhodophyceae
D.Cyanophyceae
Question 7
Which of the followings plant material is an efficient water imbibant?
ANS:A.Agar
B.Cellulose
C.Lignin
D.Pectin
Question 8
External fertilization occurs in majority of
ANS:A.Algae
B.Fungi
C.Liverworts
D.Mosses
Question 9
Moss peat is used as a packing material for sending flowers and live plants to distant places because
A.It is easily available
ANS:B.It is hygroscopic
C.It reduces transpiration
D.It serves as a disinfectant
Question 10
Vascular cryptogams are
A.Fungi
ANS:B.Pteridophytes
C.Gymnosperms
D.Bryophytes
Question 11
In a monoecious plant
ANS:A.Male and female sex organs are on the same individual
B.Male and female gametes are of two morphologically distinct types
C.Male and female sex organs are on different individuals
D.All the stamens are fused to form one unit
Question 12
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms:
ANS:A.Presence of vessel elements and absence of archegonia
B.Absence of resin duct and leaf venation
C.Embryo development and apical meristem
D.Perianth and two integuments
Question 13
Flagellated male gametes are present in all the three of which one of the following sets?
A.Zygnema, Saprolegnia and Hydrilla
B.Anthoceros, Funaria and Spirogyra
ANS:C.Riccia, Dryopteris and Cycas
D.Fucus, Marsilea and Calotropis
Question 14
Conifers differ from grasses in the
A.Absence of pollen tubes
B.Lack of xylem tracheids
C.Production of seeds from ovules
ANS:D.Formation of endosperm before fertilization
Question 15
Vessels are found in:
A.All angiosperms, all gymnosperms and some pteridophyta
ANS:B.Most of the angiosperm and few gymnosperms