bio12

Plant embryo develops from

• (a) seed

• (b) Fruit

• (c) Zygote

• d) Flower

A microspore is a

• Male gamete

• First cell of male gametophyte

• Last cell of male gametophyte

• Diploid cell

The embryo sac is produced from

• Microspore

• Zygote

• Egg cell

• Megaspore

The formation of zygote without the act of syngamy is called

• Polyembryony

• Parthenogenesis

• Budding

• Apospory

An egg apparatus contains

• An egg + two antipodals

• An egg + Secondary nucleus

• An egg + Two synergids

• Antipodal cell + synergid

An anther is also called

• Sporangium

• Megasporangium

• Stamen

• Microsporangium

The source of food for developing embryos is

• Nucellus

• Ovule

• Endosperm

• Anther

The larger cell of a pollen grain with an irregular shaped nucleus is

• Apical cell

• Generative cell

• Vegetative cell

• Basal cell

Which of the following cell is diploid?

• Synergid

• Antipodal cell

• Secondary nucleus

• Egg cell

The intine of a pollen grain is made up of

• Lignin and suberin

• Pectin and cellulose

• Lignin and Hemicellulose

• Pectin and callose