
Wind pollinated plants generally do not show the following character
(a)Feathery stigmas
(b)Single ovule in the ovary
(c)Well exposed stamens
(d)Flowers are large and colorful.
Answer
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Hint The pollination by wind is referred to as anemophily. Anemophilous flowers have several adaptations. In this case, the wind carries pollen grains from another of one flower to the stigma of another.
Complete answer:
The adaptations of anemophilous flowers include; Flowers are very small, inconspicuous, and unisexual. Flowers are not colored, showy, scented, and nectar-producing. Petals are very small or absent. Male flowers are more numerous than female flowers. Anthers project out of the corolla so that pollen grains can be easily carried by the wind. Large branched and feathery stigma to catch or collect pollen from the air. Pollen grains are produced in large numbers to compensate for their heavy loss during wind transport. pollen grains are usually small, light, smooth-walled, and non-sticky. So that they can be easily blown away by the wind.
Additional information:
-The transfer of pollen in cross-pollination is accomplished by some external agents, known as pollinating agents. These agents are of two major groups, abiotic and biotic.
-Abiotic agents include wind and water. Biotic agents include animals, such as insects, snails, birds, and bats.pollination by animals is called zoophilia.
-Based on pollinating agents, pollination is classified into six types, namely anemophily, hydrophily, malacophily, ornithophily, and chiropterophily.
So, the correct answer is 'Flowers are large and colorful'.
Note:
-Pollination is the transfer of pollen from the anther to the stigma of flowers. In seed plants, it is an essential prerequisite not only for fertilization and development of fruits and seeds but also for gene exchange and genetic recombination.
-Pollen grains of angiosperms can terminate only when they are landed on the stigma. This is the reason why pollination is essential for pollen germination and fertilization.
-Basically, pollination is of two types, natural and induced or artificial. Natural pollination is a naturally occurring phenomenon. On the other hand, induced pollination is carried out by artificial methods to produce plants with desirable characters.
Complete answer:
The adaptations of anemophilous flowers include; Flowers are very small, inconspicuous, and unisexual. Flowers are not colored, showy, scented, and nectar-producing. Petals are very small or absent. Male flowers are more numerous than female flowers. Anthers project out of the corolla so that pollen grains can be easily carried by the wind. Large branched and feathery stigma to catch or collect pollen from the air. Pollen grains are produced in large numbers to compensate for their heavy loss during wind transport. pollen grains are usually small, light, smooth-walled, and non-sticky. So that they can be easily blown away by the wind.
Additional information:
-The transfer of pollen in cross-pollination is accomplished by some external agents, known as pollinating agents. These agents are of two major groups, abiotic and biotic.
-Abiotic agents include wind and water. Biotic agents include animals, such as insects, snails, birds, and bats.pollination by animals is called zoophilia.
-Based on pollinating agents, pollination is classified into six types, namely anemophily, hydrophily, malacophily, ornithophily, and chiropterophily.
So, the correct answer is 'Flowers are large and colorful'.
Note:
-Pollination is the transfer of pollen from the anther to the stigma of flowers. In seed plants, it is an essential prerequisite not only for fertilization and development of fruits and seeds but also for gene exchange and genetic recombination.
-Pollen grains of angiosperms can terminate only when they are landed on the stigma. This is the reason why pollination is essential for pollen germination and fertilization.
-Basically, pollination is of two types, natural and induced or artificial. Natural pollination is a naturally occurring phenomenon. On the other hand, induced pollination is carried out by artificial methods to produce plants with desirable characters.
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