It is hardy to zone (UK) 9. Class : Class 5 . Insect pollinated flowers have coloured petals, big size and they offer fragrance and nectar to attract insects which bring about pollination in them. <>>>/BBox[0 0 384 600]/Length 43>>stream Some aquatic plants accomplish pollination by means of water currents. The floral envelop of hydrophilous plants are reduced or absent. 24 0 obj endstream Post. endobj endobj w3TPI2T0 BC#C#C3\. endobj endobj endstream In sea grass, the female flowers are seen submerged in water and the pollen grains are released inside the water. ,.. xs Genetic self-incompatibility tends to increase, If a flower is to be pollinated by moths, it should. 10 0 obj x+ | ,.. 34 0 obj endobj Some of the pollen grains reach the females stigma by the passive water current. Water pollination takes place in which of the following? Water hyacinth is a water pollinated flower because of the following reasons: They have no bright colours or special odours. endobj xS**T0T0 BiU" Pollination by water is called hydrophily and the flowers pollinated by water are said to be hydrophilous (Example: Vallisneria, Hydrilla). I. <>stream w3TPI2T0 BC#C#C3\. <>>>/BBox[0 0 384 600]/Length 44>>stream <>>>/BBox[0 0 384 600]/Length 44>>stream 39 0 obj It is dioecius in nature and thus pollinate 1. xS**T0T0 Bih]" W sexual reproduction in flowering plants; modes of reproduction; cbse; class-12; Share It On Facebook Twitter Email. Add your answer and earn points. xs ,.. Hydrilla. x+ | Water lily is also an aquatic plant with large conspicuous coloured flowers. Amorphophallus IV. w3TPI2T0 BC#C#3\. Log in. They are carried by water currents reaching the female flowers and the stigma. 46 0 obj 5 0 obj However, the familiar aquarium plant, vallisneria, uses the water for pollination. It is in leaf all year, in flower from July to September. Why are flowers in Vallisneria small and inconspicuous. 23 0 obj xs g] endstream Common waterweed . At maturity male flowers are endobj endobj Join now. 37 0 obj General Science. x+ | POLLEN ON WATERS SURFACE is a second method. 3 endobj endobj 42 0 obj W 33 0 obj Chemistry. ,.. In water List the adaptive features of water-pollinated flowers like Vallisneria. <>stream Prev Question Next Question 0 votes . ,.. It grows in shallow waters in well lighted areas. - 19898371 xS**T0T0 BiU" ` Vallisneria is submerged dioecius fresh water plant Hence pollinated in water. Die Hauptart ist die Vallisneria gigantea, die mehr als 6 Fu lang wird. endstream In this plant ( Vallisneria ) flowers are unisexual. Vallisneria. endstream and is pollinated by Water. 1. endobj Die Hauptart ist die Vallisneria gigantea, die mehr als 6 Fu lang wird. Physics. Consider the following features seen in a plant: I. x+ | In Vallisneria pollination is through hdrophilly ie through water. w3TPI2T0 BC#C#3\. 1. 8 0 obj <>>>/BBox[0 0 384 600]/Length 44>>stream shreya from GIIS, KualaLumpur. endstream 3 Vallisneria a genus of perennial plants of the Hydrocharitaceae family. Related Video. endobj ,.. ,.. endobj Vallisneria has long been counted one of the classic examples of cross-pollination. Single white female flowers grow to the water surface on very long stalks. <>>>/BBox[0 0 384 600]/Length 44>>stream Wind Pollination. (i) Vallisneria (ii) Zostera (iii) Wheat (iv) Coconut (v) Sunflower (vi) Rafflesia A (i), (ii), (iii) and (iv) only B (i) and (ii) only C (i), (ii), (iv) and (v) only D (iii) and (vi) only Even coconut right?