Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?
Six
Ten
Fifteen
Eighteen
In China rose the flowers are
actinomorphic, hypogynous with twisted aestivation
actinomorphic, epigynous with valvate aestivation
zygomorphic, hypogynous with imbricate aestivation
zygomorphic, epigynous with twisted aestivation
The partial floral formula of a flower is K(5)C5A()(5).
Which of the following set of information is conveyed here?
Gamosepalous, polypetalous, syncarpous and superior ovary
Polysepalous, polypetalous, syncarpous and inferior ovary
Gamosepalous, gamopetalous, polycarpous and superior ovary
Gamosepalous, polypetalous, syncarpous and inferior ovary
Banana is an example of
parthenocarpy
apomixis
parthenogenesis
polyembryony
A.
parthenocarpy
There are a few species of plants in which fruits develop without fertilisation. Such fruits are called parthenocarpic fruits. It can be induced through the application of growth hormones and such fruits are seedless.
Apomixis is the asexual reproduction in plants.
Parthenogenesis is the reproduction from an ovum without fertilisation.
Parthenocarpy is the development of a fruit without prior fertilization.
The characteristic that does not belong to perigynous flowers is
Thalamus is disc shaped, cup or flask shaped
Ovary is superior, other parts are inferior
Thalamus is hollowed out and is fused with ovary wall
Androperianth is borne around or above the level of ovary.
The Floral formula of tobacco is
BrOK(5) C(5) A5 G(2)
OK6 - 5 A10 G(2)
BrOK2 + 2 C4 A2 + 4 G1(d)
OP2 A3 G1
Select the mismatch.
Tomato - Axile placentation
Sunflower - Free central placentation
Pea - Marginal placentation
Poppy - Parietal placentation