Wind pollination is common in
legumes
lilies
grasses
orchids.
Cotton plug like tissue present at the mouth of the micropyle responsible for directing the pollen tube is called
The arrangement of the nuclei in a normal embryo sac in the dicot plants is
In which one of the following combinations $(a - d)$ the number of chromosomes of the present day hexaploid wheat is correctly represented?
Double fertilization was discovered by
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle isAn ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is