Xenia effect was first observed in
In the grass family, the cotyledon is called
The structure of flower which forms pericarp in true fruit is
Who discovered effect of foreign pollen on somatic tissue present outside the endosperm ?
After double fertilization, most zygotes divide only after certain amount of endosperm is formed. One of the importance of this adaption is
Which among the following plant has diploid endosperm ?
Which of the following conditions show that the embryo of a seed is entering the state of dormancy?
(a) Dry weight of seed is increasing
(b) Water content is reducing
(c) The general metabolic activity of embryo is slowing down.
(d) Oxygen consumption of seed is increasing
In dicotyledonous embryo, the cylindrical portion below the level of cotyledons which terminates into root tip is
One of the examples of seeds in which the endosperm is completely consumed during embryo development is
Plants developed from apomictic embryos of a plant are