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Question

Even in the absence of pollinating agents, seed setting is assured in

A
Zostera
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B
Fig
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C
Commelina
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D
Salvia
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Solution

The correct option is C Commelina
Assured seed set
Cleistogamous flowers are the type of flowers which are closed, so anther and stigmas are not exposed to the outer environment. It reproduces by autogamy only and does not require pollinators. Thus, such flowers produce an assured set of seeds.
Zostera
Zostera is a submerged marine grass which is pollinated inside water.
Fig
Fig is pollinated by a wasp. The wasp lays eggs in the fig fruits and in return the fig is pollinated.
Salvia
Salvia is pollinated by insects by the turn pipe mechanism.
Commelina
Commelina is a cleistogamous flower which never opens. The pollen from anther lobe falls on the stigma of the same flower and thus, pollination is not dependent on any external agency.
Final answer
(D) Commelina

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