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Which of the following contains multiple gymnosperm ovules? (An immature ovulate cone contains multiple ovules. An ovulate cone will become a mature gymnosperm cone after all of the ovules mature into seeds.)Which of the following is found inside a pollen grain? A pollen grain contains the male gametophyte. Pollination of the ovule begins the process of fertilization, which results in the merging of the haploid male and female gametophytes to form a diploid zygote.Pollen. Pollen grains (from the greek palynos for dust or pollen) contain the male gametophyte (microgametophyte) phase of the plant. Pollen grains are produced by meiosis of microspore mother cells that are located along the inner edge of the anther sacs (microsporangia).
Which of the following is found inside a pollen grain?
Which of the following is found inside a pollen grain? A pollen grain contains the male gametophyte. Pollination of the ovule begins the process of fertilization, which results in the merging of the haploid male and female gametophytes to form a diploid zygote.
Which of the structures contain a male gametophyte?
Pollen. Pollen grains (from the greek palynos for dust or pollen) contain the male gametophyte (microgametophyte) phase of the plant. Pollen grains are produced by meiosis of microspore mother cells that are located along the inner edge of the anther sacs (microsporangia).
Biology 12AM Double ferilization and seeds Week 5 .1
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What is a mature ovule that includes a seed coat food supply and an embryo?
ovule, plant structure that develops into a seed when fertilized. A mature ovule consists of a food tissue covered by one or two future seed coats, known as integuments.
Which of the following are present in angiosperms but not in gymnosperms?
Angiosperms, also called flowering plants, have seeds that are enclosed within an ovary (usually a fruit), while gymnosperms have no flowers or fruits, and have unenclosed or “naked” seeds on the surface of scales or leaves. Gymnosperm seeds are often configured as cones.
Which of the following is found inside a pollen grain the megaspore the sporophyte the male gametophyte the female gametophyte?
Which of the following is found inside a pollen grain? A pollen grain contains the male gametophyte. Pollination of the ovule begins the process of fertilization, which results in the merging of the haploid male and female gametophytes to form a diploid zygote.
Which structure is common to both gymnosperms and angiosperms?
A number of parts of the reproductive process are common to both angiosperms and gymnosperms: (1) they produce seeds at maturity; (2) the megasporangium, unlike that of heterosporous seedless plants, is covered by one or two cellular layers called integuments and is termed an ovule; (3) there is a minute passageway, or …
Which if the following contains multiple gymnosperm ovules?
Which of the following contains multiple gymnosperm ovules? (An immature ovulate cone contains multiple ovules. An ovulate cone will become a mature gymnosperm cone after all of the ovules mature into seeds.)
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Study with Quizlet and memorize flashcards terms like which of the following contains multiple gymnosperm ovules? a. ovulate cone b. integument c.
Which of the following contains multiple … – Brainly.com
An ovulate cone contains multiple gymnosperm ovules. An ovulate cone is a female cone. When the ovulate cone is immature it contains many ovules in it and …
Solved Which of the following contains multiple gymnosperm
Which of the following contains multiple gymnosperm ovules? megasporangium. megaspore. integument. ovulate cone. Expert Answer.
Which of the following contains multiple gymnosperm ovules?
a. Ovulate cone. b. Integument. c. Megasporangium. d. Megaspore. The correct answer is a. ovulate cone. The gymnosperms are very advanced when compared with …
How many gymnosperms are there?
There are around 1000 species of gymnosperm. You can also browse genera found in Gymnosperms.
What is the male gametophyte in gymnosperms?
The male gametophytes of gymnosperms are characterized by the diversities in pollen morphology, cellular composition and pattern of cell division, pollen tube morphology, sperm delivery, growth pattern through the ovule and nucellus, and pollen tube wall composition both within and among the four living orders, i.e., …
What structures in the ovule develop into seed coat embryo and endosperm?
As the ovule matures into a seed, the zygote develops into the embryo, consisting of cotyledon(s) (C) and hypocotyl (D), the endosperm (B) develops into a nutrient tissue food supply, and the integuments become the seed coat (A). Seed development begins immediately after fertilization.
Which part of flower contains ovules?
Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed.
Where are the seeds of a gymnosperm?
gymnosperm, any vascular plant that reproduces by means of an exposed seed, or ovule—unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, or fruits. The seeds of many gymnosperms (literally, “naked seeds”) are borne in cones and are not visible until maturity.
GYMNOSPERM PLANTS 🌲 Characteristics, Examples, Reproduction and more!
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Which of the following are gymnosperms?
The correct answer is Pine. Gymnosperms are vascular plants of the subkingdom Embyophyta and include conifers, cycads, ginkgoes, and gnetophytes. Some of the most recognizable examples of these woody shrubs and trees include pines, spruces, firs, and ginkgoes.
Which of the following are not gymnosperms?
Fern does not belong to the Gymnosperm.
Cycas, Pinus and Ginkgo are the examples of Gymnosperm.
Which of the following is correct about gymnosperms?
| Question | Which of the following is/are correct for gymnosperms ? <br> I. They are heterosporous. <br> II. They are the first vascular plants. <br> III. Possesses fruits. <br> IV. Require water for fertilisation. |
|---|---|
| Class | 12th |
| Type of Answer | Video & Image |
| Question Language | In Video – English In Text – English |
Which part of pollen grain produces pollen tube?
A pollen tube is a tubular structure produced by the male gametophyte of seed plants when it germinates.
What does the Megasporocyte produce?
The megasporocyte is a single cell that undergoes meiosis, producing a tetrad of four haploid megaspores, which in most extant seed plants are arranged in a straight line, or linearly (Figure 5.10A).
Where in the flower do pollen grains land in order to begin the process of Fertilisation?
Fertilisation. When a pollen grain lands on the stigma of a flower of the correct species , a pollen tube begins to grow. It grows through the style until it reaches an ovule inside the ovary.
What do ferns gymnosperms and angiosperms have in common?
For example, ferns produce spores, and gymnosperms and angiosperms form seeds. The characteristic common to the members of this class is the leaf with branched venation.
Which among the following organ in angiosperm is present in gymnosperm?
Solution : In gymnosperms reproductive organ is called cone whereas in angiosperm sex organ is known as flower.
Which of the following statements is true of the seeds of both gymnosperms and angiosperms?
Which of the following statements is true of the seeds of both gymnosperms and angiosperms? Seeds from both plants contain a diploid (2n) embryo and seeds from both plants contain a diploid (2n) seed coat.
Which of the following statements correctly describes a multiple fruit?
Which of the following statements correctly describes a multiple fruit? A multiple fruit develops from the many carpels of the many flowers that form an inflorescence. Why do seeds need water to germinate?
Plantae Lecture 5 Tracheophytes, Pteropsida, Filicinae, Gymnosperm By Dr. Tahir Abbas Baloch
Images related to the topicPlantae Lecture 5 Tracheophytes, Pteropsida, Filicinae, Gymnosperm By Dr. Tahir Abbas Baloch
Which of these characteristics is shared by algae and seed plants?
Which of these characteristics is shared by algae and seed plants? Both algae and seed plants have cells with chloroplasts.
What does the carpel consist of?
The three main parts of a carpel are the stigma, style, and ovary. The stigma is where pollination occurs. The style is a tube connecting the stigma to the ovary, which contains a chamber called a locule. Inside a locule is an ovule, and the ovule contains an egg cell that, when fertilized, will develop into an embryo.
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