CBSE
Multiple Choice QuestionsThe standard petal of papilionaceae corola is also called
pappus
vexillum
corona
corona
Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem:
(a) Secondary cortex
(b) Wood
(c) Secondary phloem
(d) Phellem
The correct order is
(c), (d), (b), (a)
(a), (b), (d), (c)
(d), (a), (c), (b)
(d), (a), (c), (b)
Tricarpellary, syncarpous gynoecium is found in flowers of
Solanaceae
Fabaceae
Poaceae
Poaceae
Seed coat is not thin, membranous in
maize
coconut
groundnut
groundnut
Among bitter gourd mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunn hemp, gram, guava, bean, chilli, plum, Petunia, potato tomato, rose, With potato, onion, aloe and tulip, how many plants have hypogynous flower?
Six
Ten
Fifteen
Fifteen
Which of the following is not a stem modification?
thorns of citrus
tendrils of cucumber
Flattened structures of Opuntia
Flattened structures of Opuntia
Cotyledon of maize grain is called
coleorhiza
caleoptile
scutellum
scutellum
The wheat grain has an embryo with one large, shield-shaped cotyledon known as
Epiblast
Coleorrhizia
Scutellum
Scutellum
Stems modified into flat green organs performing the functions of leaves are known as
phyllodes
phylloclades
scales
scales
In China rose the flowers are
actinomorphic, hypogynous with twisted aestivation
actinomorphic, epigynous with valvate aestivation
zygomorphic, hypogynous with imbricate aestivation
zygomorphic, hypogynous with imbricate aestivation
