What does the word cotyledons mean?

What does the word cotyledons mean?

Definition of cotyledon 1 : a lobule of the mammalian placenta. 2 : the first leaf or one of the first pair or whorl of leaves developed by the embryo of a seed plant or of some lower plants (such as ferns) — see seedling illustration.

What hypocotyl means?

In the developing embryo, the hypocotyl is the embryonic axis that bears the seedling leaves (cotyledons). In plant development: Origin of the primary organs. … other four will form the hypocotyl, the part of the embryo between the cotyledons and the primary root (radicle).

What is the meaning of cotyledons Urdu?

1) cotyledon Noun. Embryonic leaf in seed-bearing plants. برگ تخم ، اکھوا ، بیج پتہ ، بیج پنی ، کن سُوٴا پیالَہ نُما جَوف یا کہفَہ

What is the meaning of cotyledon in Bengali?

translation of ‘cotyledon’ বীজ থেকে অঙ্কুরিত প্রথম পাতা বীজপত্র

Which seeds have two cotyledons examples?

Dicot seeds(Dicotyledons) are the seeds which have two embryonic leaves and cotyledons. They are one of the two groups into which all the flowering plants were divided. Examples of Dicot Seeds: Bitter gourd seeds, Castor seeds, Mango seeds, Neem Seeds, Night Jasmine seeds, Papaya seeds and Tamarind seeds.

Which of the following is an example of monocotyledons?

Banana is an example of Monocotyledon plant and is closely related to the grass family. Peanuts, Tomatoes and Mint are examples of Dicotyledon. Monocotyledons have only one embryonic leaf.

What is hypocotyl and epicotyl?

An epicotyl, which extends above the cotyledon(s), is composed of the shoot apex and leaf primordia; a hypocotyl, which is the transition zone between the shoot and root; and the radicle.

What is the meaning of invertebrates in Urdu?

1) invertebrate Noun. Any animal lacking a backbone or notochord; the term is not used as a scientific classification. ریڑھ کی ہڈی کے بغیر

What is cotyledon of maize grain technically called?

The embryo in maize grain consists of a single cotyledon called a scutellum, a radicle, and a plumule. The radicle lies towards the pointed side of the embryonic region of the seed. It is covered by a protective sheath called coleorhiza.

What is the Bengali meaning of Plumule?

plumulenoun down feather of young birds; persists in some adult birds.