An individual unit of the calyx is ...........

An individual unit of the corolla is ............

The unit member of androecium is called ........

The region of elongated internode between petal and androecium is called .......

The lowermost swollen part of the gynoecium is called.........

The nutritive cells ................nourishes the developing microspores.

In orchids, the pollen grains forming pollen-masses are called ............

The stalk of the ovule is called .......

A typical embryo sac contains ............ nuclei.

In ............. ovule funicle, chalaza and micropyle lie in one verticle line.

The body of the ovule is completely inverted in ............. ovule.

In ......... ovule funicle is a very long forming circle around the ovule.

The process of transfer of pollen grains from the anther to the stigma of a flower is known as .........

Actual union of the male gamete with the female gamete

When the pollen grains are transferred from an anther to the stigma of the same flower, it is called is

In................. pollen grains are transferred from an anther of one flower to the stigma of another flower.

The pollination with the help of............ is called anemophily.

When pollination takes place with the help of insects, it is

called ........

Pollination with the help of water is called

During microsporogenesis spore mother cell undergoes

meiotic division and gives rise to.............microspores.

The pollen grain is the first cell of .........

................ is the first cell of the female gametophyte.

^{In monosporic embryo sac out of four megaspores only}

^{................remains functional and forms an embryo sac.}

In bisporic embryo sac.............megaspore nuclei take part

in the development of embryo sac

................ pollen tube enters through micropyle of the ovule

In ................... pollen tube enters through chalaza of the ovule.

In ................ both the male gametes take part in the fertilization i.e. the fertilization takes place twice.

The process of development of embryo from zygote is called .............

Cocus nucifera is the classical example of ........ endosperm.

The multinucleate liquid endosperm of Coconut is also called .........

If the number of chromosomes in the root tip of a plant is 36, then ........... will be their number in its endosperm.

If the number of chromosomes in the egg cell of a plant is 8, then ............ will be the number of chromosomes in its endosperm.

.......... is responsible for the formation of plumule in dicot plants.

In monocots, the radicle and root cap enclosed in a sheath called ..............

Generally, root is protected with root cap, it is known as ..........

In angiosperms, the endosperm is generally.

In angiosperms, after fusion of male nucleus with the secondary nucleus, it produces

In angiosperms, after fusion of male nucleus with egg

nucleus, it produces

In angiosperms, ............ is the nutritive tissue in the embryo sac.

When seeds are with endosperm, it is referred to as .......

The helobial type of endosperm mostly reported in ............

In coconut ........... type of endosperm is reported.

When a seed contains more than an embryo, it is referred as

When embryos are developed from cells of the nucellus, it is referred to as ............. polyembryony.

The embryos developed from any haploid cell of female gametophyte, it is referred as ............... polyembryony.

Polyembryony is commonly occurred in ........

The fusion of two haploid gametes during fertilization is referred to as ...............

The product of double fertilization is.

The process of formation of embryo without fertilization is known as

The vegetative propagation of the plants is also one type of ...............

In sexual reproduction fertilization and .............crucial stages.

The process of formation of the embryo with fertilization is

known as ...........