How are the femalegametes of gymnospermsformed? What is therelationship between thisprocess and the concept ofalternation of generations?

Q: Which are the opposite sexes in dioecious plants—the sporophytes or the gametophytes?

A: Dioecious plants are those plants that contain male and female reproductive organs in separate…

Q: How many haploid nuclei and haploid cells are present in female gametophyte of angiosperm?

A: Angiosperms are called flowering plants. The flower is the reproductive part of the angiosperms. A…

Q: How are gametes formedin the pteridophyte life cycle,by mitosis or meiosis? What isthe type of…

A: Pteridophytes belongs to the category of vascular plants as it contains both, xylem and phloem.…

Q: How many cellular nuclei  the pollen tube of angiosperms have? What is the ploidy of each of these…

A: The pollen type or the male gametophyte of angiosperms have three nuclei Two sperm nuclei One tube…

Q: What are the four modern-day groups of gymnosperms?

A: It is derived from the Greek word gymnos which means naked and sperma meaning seed. They were the…

Q: What is the conspicuous form of the seedless vascular plants? Is it haploid or diploid?

A: Plants that grow in height and have a well-developed system (true roots, stems, and leaves) for…

Q: The seed that develop post-fertilisation are not covered in gymnosperms why?

A: All plants come under the kingdom Plantae. They are eukaryotes, multicellular, and having cell…

Q: How many cellular nucleidoes the pollen tube ofangiosperms have? What isthe ploidy of each of…

A: The pollen tube is a hollow tube through which sperm from the pollen reaches the egg cell, and…

Q: How do phytohormoneshelp the development ofparthenocarpic fruits?

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: Which is the dominant part of the Lycopodium life cycle, the sporophyte or gametophyte?

A: The kingdom Plantae is further divided into several phyla. Lycopodium belongs to the Pteridophyta…

Q: How do the adaptations of gymnosperms and angiosperms enablethem to live in drier habitats than…

A: The change in the heritable characteristics of the species across many generations is called…

Q: What is the function of double fertilization in angiosperms?

A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…

Q: What features not present in seedless plants havecontributed to the success of seed plants on land?

A: Seedless plants include Pteridophytes, Bryophytes, and Thallophytes. They often reproduce by giving…

Q: What are angiosperms, theflowering plants? What is themain feature thatdistinguishes them from…

A: Plants are the multicellular and photosynthetic organisms belonging to the kingdom Plantae except…

Q: Is the possession of flagellated sperm a primitive or advanced characteristic in the plant kingdom?…

A: A primitive characteristic in the plant kingdom is the possession of flagellated sperm. It is found…

Q: How do seedless vascular plants reproduce?

A: Pteridophytes are vascular plants that belong to the group Cryptogams. Cryptogams do not produce…

Q: How are the male gametophytes and the male gametes formed in angiosperms?

A: Angiosperms are distinguished by the presence of enclosed seeds. Their seeds are present in the…

Q: Describe organization of megaspore & development of female gametophyte in Selaginella.

A: Selaginella are member of Division Lycophyta. They occur in varied places like moist, shaded, humid…

Q: What are the buds on a liverwort used for asexual reproduction called? thallus O sporophyte O…

A:

Q: what structure of gymnosperms are homologous to gametophytes of the seedless plants?

A: Gymnosperm has a naked seed and does not bear fruits. Gymnosperms are evolved before angiosperms.…

Q: Draw a diagram of L.S. of an anatropous ovule of an Angiosperm & label the following parts :-…

A: lowering plants, also called angiosperms, use a sexual mode of reproduction. Reproduction in plants,…

Q: How do the floral parts of caesalpinaceous flower compare with that of Faboideae?

A: Caesalpiniaceae plants show great variations they may be trees or shrubs and very rarely herbs.…

Q: Which of the following statements about the haplodiplontic life cycle of land plants is/are TRUE?

A: The life cycle of plants alternates between the two generations viz. gametophytic and sporophytic…

Q: What is meant by monosporic development of female gametophyte?

A: In seed plants, the ovule is the structure that gives rise to and contains the female reproductive…

Q: How different aregymnosperms frombryophytes andpteridophytes?

A: The kingdom Plantae is one of the most far reaching realms with more than 300,000 unique species.…

Q: What is the ground tissue found in mature fruit of kapok (Ceiba pentandra)?

A: Answer: Introduction: Ceiba pentandra is also called as Kapok or Java cotton is a tropical tree of…

Q: In what structure does meiosis occur in the bryophytes?

A: Bryophytes and pteridophytes are first land plants and their fertilization is called as internal…

Q: How do Fungi and invertibrates undergo fertilization?  Are there certain conditions that must exist…

A: The type fertlization occur in in fungi and invertebrates is external fertilization. in which male…

Q: How reproduction occurs in gymnosperms?

A: Gymnosperms are naked seed plants. They are non-flowering and non-fruit-bearing plants.

Q: What is the pore in ovule through which the pollen tube enters called?

A: Sexual reproduction is a common phenomenon in plants. In plants, the stamen, which gives rise to…

Q: What is the ploidy level of the gametophyte generation in the Cycadophyta? O haploid (1n) diploid…

A: The gametophyte generation begins as a dormant spore, which germinates under appropriate conditions…

Q: What features distinguish cycads from ginkgo? from gnetophytes?

A: Ginkgo can be described as the large tree possessing fan-like leaves. Ginkgo can be utilized by…

Q: What is the natural habitat of gymnosperms?

A: The gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and…

Q: Where on the tree you would expect to find male cones, and which structures are haploid and which…

A: Gymnosperms are seed plants and they consist of cones that carry their reproductive structures. Pine…

Q: How does the flowering plant life cycle differ from that of the gymnosperms?

A: Introduction :- Conifers, cycads, Ginkgo, and gnetophytes are among the gymnosperms, a clade of…

Q: How are the male gametesof gymnosperms formed?What is the relationshipbetween the pollen grains…

A: Gymnosperms were the first seed-producing plants. They are diverse in leaf types and reproductive…

Q: What are infructescences,pseudofruits andparthenocarpic fruits?

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: What are external features of gymnosperms?

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: Reproductive structures are the critical factors in distinguishing algae from true plants of kingdom…

A: Answer: Introduction: The important difference among algae and plants is that they are dissimilar in…

Q: In what three ways does reproduction in the angiosperms differ from that of the gymnosperm?

A: The process by which the plants produce new offspring is called reproduction. Plants reproduce…

Q: How are male gametophytes and male gametes formed in angiosperms?

A: Introduction :- Angiosperms are types of vascular plants that have stems, roots, and leaves.…

Q: what dicot group to diverge from the gymnosperms?

A: Phylogeny is the branch of biology that studies phylogenetic analysis. A phylogenetic analysis is…

Q: What is the structure of theadult fern within which cellsundergoing meiosis can befound?

A: Plants are multicellular organisms in the kingdom Plantae. Plants use the process of photosynthesis…

Q: How different are theendosperm of gymnospermsand the endosperm ofangiosperms?

A: Angiosperms are the vascular seed, flowering plants. Angiosperm is the most diverse group among land…

Q: How do fertilization and zygote formation occur in these plants? Do these processes depend on water?

A: Introduction In this question we will discuss about how fertilization and zygote formation occur in…