Multiple Choice QuestionsMorphine, which is used as an analgesic is obtained from
Taxusbrevifolia
Berberisnilghiriensis
Cinchona officinalis
Pa paver somniferum
Darwin’s finches are an excellent example of
Adaptive Radiation
Seasonal migration
Brood parasitism
Connecting links
A monocarpic plant is one, which
has only one carpel
Flowers once in a life-time
Produces only one seed
Produces only one fruit
B.
Flowers once in a life-time
On the basis of the frequency of flowering or fruiting in the lifetime, plants may be either monocarpic or polycarpic. Monocarpic plants are those, in which flowering and fruiting occur only once in their life, e.g., all annual and biennial plants and some perennial plants like bamboo and Agave. In contrast, polycarpic plants bear flowers and fruits repeatedly after attaining maturity, e.g., mango, Acacia, Eucalyptus, etc.
The rupture and fractionation do not usually occur in water column in vessel/tracheids during the ascent of sap because of
Lignified thick walls
Cohesion and adhesion
Weak gravitational pull
Transpiration pull
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