1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is
A
tetraploidy
B
pentaploidy
C
diploidy
D
triploidy
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
A
hemitropous
B
campylotropous
C
anatropous
D
orthotropous.
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Anthesis is a phenomenon which refers to
A
reception of pollen by stigma
B
formation of pollen
C
development of anther
D
opening of flower bud.
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In a flowering plant, archesporium gives rise to
A
only the wall of the spoeangium
B
both wall and the sporogenous cells
C
wall and the tapetum
D
only tapetum and sporogenous cells.
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