Question

Difference between dicots and monocots in tabular form no irrelevant answer.​

Answer 1

Answer:

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Explanation:

Monocotyledons, also referred to as monocots, are flowering plants bearing seeds with a single cotyledon or embryonic leaf.  

• There are about 60,000 species of monocotyledonous plants found worldwide where the family Orchidaceae consisting of orchids forms the largest group in both monocots and in angiosperms with about 20,000 species.
• The second most abundant monocotyledons include grasses in the family Poaceae which are the most economically important of them all.
• Monocotyledon plants form the largest biomass within agriculture including most grains like wheat, rice, barley, along with forage grasses, sugarcane, and bamboos.
• All monocots share a common evolutionary history, making it a monophyletic group.
• The most common characteristic associated with monocotyledons is the presence of a single cotyledon in the embryo of the seed with parallel-veined leaves.
• The leaves are more slender where they are sheathed at the base without any petiole. The veins move in a parallel pattern but are smaller in size with even smaller veins connecting them.
• Besides, they have scattered vascular bundles in the stem with an adventitious root system with no cambium.
• The lack of lateral meristem or cambium limits the growth of stems in diameter with height. As a result, most monocotyledons are herbaceous plants with some arboraceous plants like agaves, palms, and bamboos.
• Typically, monocots have an epidermis with thick cuticle, but they lack epidermal hairs. The cells in the epidermis or the hypodermis are not arranged in concentric circles
• The flowers are also different from dicots in that the parts of the flowers usually occur in the set of three.
• Commonly, the number of petals and sepals is either three of multiple of three, whereas the pistil and stamen can be numerous. There are six stamens that represent two whorls of three.
• Sometimes, there might be a single ovary with two carpels instead of three.
• The pollen grains in monocots characteristically have a single furrow or aperture in contrast to other angiosperms.
• The resulting embryo has a single embryonic leaf almost always with an endosperm.
• Most common and economically important monocots include plants like bananas, gingers, turmeric, cardamom, asparagus, along with some household plants like epiphytes and decorative flowers like lilies and tulips.

Dicotyledons Definition

Dicotyledons, also referred to as dicots, are flowering plants bearing seeds with two cotyledons or embryonic leaves.

• It is the largest group within angiosperms consisting of about 200,000 species of flowering plants.
• Unlike monocots, dicots are not a group of plants arising from a single ancestor; rather, they are assumed to have evolved from different lineages. Thus dicots are paraphyletic.
• The types of plants in dicots range from garden plants, shrubs, and herbs to broadleaf plants like roses and geraniums.
• Some economically important plants like peas, beans, roses, daisies, and oak trees are dicots.
• The most important characteristic in all dicots is the presence of two embryonic seed leaves or cotyledons along with reticulate veined leaves.
• The leaves in dicots are broader than long and have net-like reticulate venation. The veins form a finely branched network through the leaf blade with finer veins in between the major ones.
• Dicots are capable of secondary growth due to the presence of the lateral meristem or cambium. The cambium goes on producing new cells in concentric circles, increasing the girth of the plant.
• The stem in dicots is composed of multicellular epidermal hairs all over the epidermis with vascular tissues arranged in concentric circles.
• The vascular bundles are arranged in the order of four or eight primarily arranged towards the perimeter of the stem.
• Dicots have a tap root system with a long deep primary root growing into finer secondary roots.
• The flowers in dicots are tetramerous or pentamerous in that the parts occur in the set of four or five.
• Typically, the number of petals and sepals is either four or five or their multiples, whereas the pistil and stamen can be numerous.
• The pollen grains are tricolpate, meaning they have three ridges or furrows that go through the outer layer.
• The number of seeds in dicots might also be more than that in monocots where the endosperm might or might not be present.
• In the absence of endosperm, the two cotyledons provide the necessary nutrients to the seed.

Answer 2

Answer:

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Explanation:

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