Multiple Choice QuestionsIn 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
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)
The wheat grain has an embryo with one large, shield-shaped cotyledon known as
Epiblast
Coleorrhizia
Scutellum
Scutellum
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plates have superior ovary?
Five
Six
Three
Three
Male gametophyte with least number of cell is present in
Pteris
Funaria
Lillium
Lillium
C.
Lillium
Lilium (angiosperm) possesses the male gametophyte with least number of cells. The number of cells in male gametophyte shows the pattern of reduction from bryophytes to angiosperms. In angiosperms, it is reduced to about 2-3 celled and called as pollen grains.
Pollen grains are produced by meiosis of microspore mother cells that are located along the inner edge of the anther sacs (microsporangia).
The number of cells in male gametophyte decreases in the following order.
Funaira > Pteris > Pinus > Lilium
An aggregate fruit is one which develops from
multi carpellary syncarpous gynoecium
Multi carpellary apocarpus gynoecium
complete inflorescence
complete inflorescence
Switch
