How Synergid and antipodals degenerate after fertilization?

Q: Haploid insect and lower plant where cell- division occurs?

A: An organism having a single set of chromosomes are known as haploid organisms and an organism having…

Q: What is unique about the cells of cryptomonads and those of haptophytes?

A: CRYPTOMONADS Cryptomonads are aquatic unicellular eukaryotes that inhabit both marine and…

Q: In animals, meiosis produces gametes (sperm cells and egg cells), but that does not happen in…

A: A sporophyte is a diploid multicellular condition in plant’s life cycle or algal life cycle.

Q: Explain Structure of microsporangium.

A: Megasporangium and microsporangium are reproductive structures in higher plants that take part in…

Q: Plants have a life cycle called_______ . In this type of life cycle, some cells in the multicellular…

A: Plants are the living organisms which synthesize their own food by photosynthesis. In photosynthesis…

Q: What are an apical meristem and a terminal bud?

A: The flowering plants contain vegetative organs like stem, roots and leaves. The parts of flowering…

Q: Diagram and describe the development of male andfemale gametophytes and the development of…

A: Sexual reproduction in plants is complex as compared to its vegetative reproduction. It is studied…

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: List four mechanisms of protist nutrition.

A: 4 mechanism of Protist Nutrition are: autotrophic nutrition  heterotrophic nutrition Saprotrophic…

Q: How are seedless vascular plants similar to and different frombryophytes?

A: Seedless vascular plants are similar to bryophytes and in order for sexual reproduction to take…

Q: Sporangium

A: Reproduction is the process by which new organisms are produced by the existing ones. It is required…

Q: When apical bud is removed, the next axial bud begins to grow? How.

A: Apical dominance is the phenomenon in which the principal, central stem of the plant is dominant…

Q: What advantage does the nonshowy perianth of grassflowers provide?

A: Monocotyledons can be defined as the type of angiosperms whose seeds consist of single cotyledons.…

Q: What are the flask shaped female sex organ in mosses called?

A: Mosses are the non-vascular plants that reproduce via spores. These organisms form a separate phylum…

Q: In which structure are sperm produced and stored in the Monilophyta? sporangia archegonia antheridia

A: Monilophytes are the vascular plants or ferns.

Q: What are two examples of symphyses?

A: A symphysis is a fibrocartilaginous joint. It is a slightly movable joint. It is the area where a…

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: Is the tentacle of an Obelia Polyp made of a single row of cells or multiple rows of cells?

A: Obelia : It is a genus of hydrozoans , a class of mainly marine and freshwater animal species that…

Q: How does the formation of other embryonic layers influence the formation of the endodermal…

A: Embryonic layers are the three main germ layers formed during embryonic development. These include…

Q: Draw a labelled diagram of embryo sac and microsporangium

A: In the ovule of flowering plants, there is an oval structure known as the embryo sac or female…

Q: Trace the development of a megaspore mother cell to the formation of mature embryo sac in a…

A: The development of the megaspore mother cell (MMC) is the formation of the mature embryo sac &…

Q: What are the leaf lifke embryonic storage organs called?

A: Angiospermic plants are also known as flowering plants. Flowers contain reproductive parts: stamen…

Q: In the vascular bundles of flowering plants, protoxylem is closest to the center of the stem, and…

A: The various land vascular plants have two types of arrangement of xylem vascular bundles during…

Q: ain the term nodes,internodes,buds?

A: Meristematic and permanent tissues are the two forms of plant tissues. Permanent tissues are…

Q: Define the term nodes,internodes,buds?

A: There are two types of plant tissues- meristematic and permanent tissues. Meristematic tissues give…

Q: Where is botryoidal tissue found?

A: A group of cells that perform similar function and have similar properties are grouped to form…

Q: What process occurred within the sporangium to produce the haploid spores?

A: Asexual reproduction is carried out by Sporangia. Sporangia mature into a form known as a…

Q: What is gemmae and its function in plant kingdom?

A: Plant kingdom  is which contains all plants on the earth.  everywhere we can see a green cover is a…

Q: What are the structures in plant life cycke that are haploid?

A: Plants that are haploid in nature contain a single set of chromosomes, represented with ploidy 'n' .…

Q: what is the process whereby a neoblast can create the 30 or so cell types of the adult planarian?…

A: Planarians have complex internal anatomy that includes the nervous system, muscle, excretory system,…

Q: Give five cell types and indicate their characteristics and how doe this characteristic help the…

A: Cell is the structural and functional unit of the life and each and every cell has a special…

Q: Define ovule in gymnosperm?

A: A group of seed producing plants is called Gymnosperms. The word 'Gymnos' refers to 'naked' and…

Embryology