A corolla of five petals with vexillary aestivation is said to be
ligulate
bilabiate
personate
papilionaceous
The main function of cotyledons in a seed is to
provide protection to the radicle and plumule
help in seed germination
supply food to the young embryo
store food materials
The shoot apical meristem in a dicot embryo is located
between the two cotyledons
within the root apex
around the suspensor
in the endosperm
Meiotic divisions in an ovule take place in
nucellus
megaspore
megaspore mother cells
archesporium
Dispersal of coconut fruit takes place by
air
water
bats
animals
Double fertilization is characteristic of
bryophytes
pteridophytes
gymnosperms
angiosperms
Cross- pollination is favoured by
self - sterility
dichogamy
herkogamy and heterostyly
all the above
Flowers emit fragrance
to purify air
to attract insects
to drive away flies
to perform all the above mentioned functions
Tetradynamous condition of the androecium is a characteristic feature of the family
Brassicaceae
Fabaceae
Poaceae
Malvaceae
Which one of the following inflorescences is found in sunflower?
capitulum
cyathium
panicle
spadix
