WebMar 4, 2024 · It increases the possibility of fertilisation as it can occur even in closed flowers. Pollination can occur even in the absence of any external aid. Disadvantages of Self-Pollination. The immunity of these … WebAdaptations for Water Pollination: Water pollination is also termed as hydrophily and mode of pollination is water. It is quite rare in flowering plants and is limited to about 30 …

[Latest] Sexual Reproduction In Flowering Plants MCQ 2024

WebEven in the absence of pollinating agents seed-setting is assured ina)... It is because plants like Viola, oxalis and Commelina produce 2 types of flowers - Chasmogamous and Cleistogamous. Cleistogamous flowers do not have well exposed anthers and stigma. In such flowers, only self pollination takes place. Web(b) non-biotech agents for pollination (c) air for pollination (d) animal for pollination. Answer/Explanation. 48. (a) Majority of the plants use biotic agents for pollination as it reduces the chances of wastage of pollen. … partially meets expectations definition

Pollination Definition, Process, Types, Agents Of, & Facts

WebA pollinating agent is one which helps in carrying out pollination in flowers i.e., the transfer of pollen grains of the flower from the anther to the stigma. Pollinating agents can be numerous ranging from biotic to abiotic factors such as animals, birds, insects, wind, water, etc. Pollination is a crucial step in the reproductive cycle of a plant.In Commelina … WebWind is another good agent of pollination. Examples of wind-pollinated flowers are corn, rice, and grasses. Wind-pollinated flowers have the following characteristics: Most of them do not have petals. Their stamens and stigmas are exposed to the wind. The stigma is feathery or sticky. Pollen grains stick to it easily. Web1. It is necessary for cross-breeding and to prevent pollination by unwanted species in plant breeding. 2. Commercially superior hybrid varieties can be obtained by cross pollination … timothy spofford