CBSE
Multiple Choice QuestionsSelect the mismatch.
Tomato - Axile placentation
Sunflower - Free central placentation
Pea - Marginal placentation
Poppy - Parietal placentation
Banana is an example of
parthenocarpy
apomixis
parthenogenesis
polyembryony
A plant produced 50 flowers. Ovary of each flower has 50 ovules. How many fruits and seeds are produced by that plant, respectively?
50, 50
50, 100
50, 2500
2500, 2500
Identify the type of placentation and its example shown in the diagram below
Axile placentation in lemon
Marginal placentation in pea
Parietal placentation in Brassica
Basal placentation in sunflower
The given symbols of floral parts indicate the condition:
% or CA or PA or G
zygomorphic flower, epipetalous, epiphyllous, superior ovary
actinomorphic flower, epipetalous, interior ovary
zygomorphic flower, epiphyllous, epipetalous, superior ovary
actionmorphic flower, epipetalous, superior ovary
The infloresence in Mimosa pudica is
Umbel
Spike
Corymb
glabose head
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.
Grittiness of pear fruit is caused by
sclereides
raphides
collenchyma
dead parenchyma cells
Synadrous condition is common in the family
Umbelliferal
Rosaceae
Malvaceae
Cucurbitaceae
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
