The morphological nature of the edible part of coconut is
(1) perisperm
(2) cotyledon
(3) endosperm
(4) pericarp
The coconut water from tender coconut represents
(1) fleshy mesocarp
(2) free-nuclear proembryo
(3) free-nuclear endosperm
(4) endocarp
The coconut water and the edible part of coconut are equivalent to
(1) endosperm
(2) endocarp
(3) mesocarp
(4) embryo
Coconut water from a tender coconut is
1. Immature embryo
2. Free nuclear endosperm
3. Innermost layers of the seed coat
4. degenerated nucellus
During formation of which of the following free nuclear division occurs?
(1) Flower
(2) Endosperm
(3) Gametes
(4) Fruit
Xenia and metaxenia terms are related with
(1) pollen culture
(2) xylem and phloem
(3) endosperm
(4) embryo
Primary endosperm nucleus (PEN) is formed by the fusion of
1. 2 polar nuclei + 1 synergid cell nucleus
2. 1 polar nucleus + 1 antipodal cell nucleus + 1 synergid cell nucleus
3. 2 polar nuclei + 1 male gamete nucleus
4. 2 antipodal cell nuclei + 1 male gamete nucleus
A homogamous tall pistillate plant (TT) is crossed with homogamous dwarf staminate plant (tt). What is the genotype of endosperm?
(1) TTT
(2) TTt
(3) Ttt
(4) ttt
Which of the following is false?
I. Endosperm formation starts prior to first division of zygote
II. Angiospermic endosperm is mostly 3N while gymnospermic one is N.
III. The most common type of endosperm is nuclear.
IV. Coconut has both liquid nuclear (multinucleate) and cellular endosperm.
V. Milky water of green tender coconut is liquid female gametophyte.
(1) I and II only
(2) III only
(3) V only
(4) II only