1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms.
A
Perianth and two integuments
B
Embryo development and apical meristem
C
Absence of resin duct and leaf venation
D
Presence of vessel elements and absence of archegonia
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which one of the following is heterosporous?
A
Adiantum
B
Equisetum
C
Dryopteris
D
Salvinia
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Flagellated male gametes are present in all the three of which one of the following sets?
A
Zygnema, Saprolegnia and Hydrilla
B
Fucas, Marsilea and Calotropis
C
Riccia, Dryopteris and Cycas
D
Anthoceros, Funaria and Spirogyra
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result
A
there is high degree of sterility
B
one can conclude that the plants is apomictic
C
self fertilization is prevented
D
there is no change in success rate of fertilization.
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