1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Spore dissemination in some liverworts is added by
A
indusium
B
calyptra
C
peristome teeth
D
elaters.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
In gymnosperms, the pollen chamber represents
A
a cavity in the ovule in which pollen grains are stored after pollination
B
an opening in the megagametophyte through which the pollen tube approaches the egg
C
the microsporangium in which pollen grains develop
D
a cell in the pollen grain in which the sperms are formed.
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
A
Nature of stored food materials in the cell
B
Structural organization of thallus
C
Chemical composition of the cell wall
D
Types of pigments present in the cell
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Conifers differ from grasses in the
A
formation of endosperm before fertilization
B
production of seeds from ovules
C
lack of xylem tracheids
D
absence of pollen tubes.
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