do bryophytes require water for fertilization
Does all bryophytes and pteridophytes need water for fertilization The following one is not a monoecious plant Answer: So, in order to accomplish fertilization sperm must be provided with water. (STPs). Do bryophytes require water for fertilization? Question 10. What is poor man and the rich man declamation about? Process of transferring data to a storage medium? Answer: b. Ricciocarpus Answer: Question 2. What Is amber? Two freshwater algae: Question 4. What do we infer from the term Pucnoxylic? (i) Fungi play important role in soil conservation (a) Rhodophyceae, Question 16. (iii) Fossil pteridophyte Naiadita, Hepaticites Starchy, The stages of fertilization can be divided into four processes: 1) sperm, If the pollination is incompatible, the pistil will effectively. Write down differences between Gymnosperm & Angiosperm. (a) Chlorella b. Water is essential for Bryophyte, because A. For fertilization and it is because they need water for fertilization. (a) holdfast How many eggs are fertilized at once in angiosperms? Vascular tissue carries water and nutrients much more efficiently than can be carried by diffusion. Exam 2 (homework questions) Flashcards | Chegg.com The Asexual reproduction in Ultrix by the formation of zoospores Do Fern sperm need to swim in water to egg? Answer: Question 8. The gametophytic phase is represented by a single to few celled gametophyte Answer: Question 6. Answer: Bryophytes though raise on soil but need aqueous for sexual reproduction. d.The tubers of Anthoceos. b. Why do plants such as bryophytes need to have liquid water present in order for sexual reproduction to occur? Which one of the following is a wrong pair? And for swimming it would need water. for fertilization. Answer: diploid gametophyte produces haploid spores by meiosis. c. (I) True (II) True (III) False (IV) True, Question 2. They need water for the male gametes to reach Archegonia to effect fertilization. Bryophytes though grow on soil but need water to sexual reproduction. For their photosynthetic activity, they utilize the carbon dioxide from sewage and release oxygen. The first thing bryophytes need to reproduce is water. a. Prothallus, Question 3. Answer: Yes. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. a. Fucus b. (c) lamina Answer: Amphibians are those organisms which live both on land and in water. c. The classification of gymnosperm Sporn Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Like all plants, mosses descend from green algae. So water is needed for completing their fertilization and their life cycle. b. Spermatogonium Bryophytes also play a very important role in the environment: they colonize sterile soils, absorb nutrients and water and release them slowly back into the ecosystem, contributing to the formation of soil for new plants to grow on. What was the date of sameul de champlians marriage? b. Bryophytes, Question 2. Which is correct poinsettia or poinsettia? male gametes are dispersed by wind. Do you agree with the statement 'Bryophytes need water for fertilization'? Answer: Question 7. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Answer: 1 Why do bryophytes need to stay close to the ground? These cookies will be stored in your browser only with your consent. What is needed for a plant to become fertilized? b. (d) Assertion is true, but Reason is not explaining Assertion. (c) Assertion is true, but Reason is wrong. Diatomaceous earth is got from the siliceous frustules (Diatom). Question 1. Stele includes In Chara, thallus is encrusted with . However, you may visit "Cookie Settings" to provide a controlled consent. Answer: In angiosperm plants the interaction between male and female gametophytes the pollen tube and the embryo sac respectively results in double fertilization. Based on this, fertilization is of two types internal and external fertilization. These cookies ensure basic functionalities and security features of the website, anonymously. : : , Video Solutions in multiple languages (including Hindi), Free PDFs (Previous Year Papers, Book Solutions, and many more), Attend Special Counselling Seminars for IIT-JEE, NEET and Board Exams. The leaves are dimorphic, foliage and scale leaves are present. sporophyte produces spores by mitosis. 4. Give an account of Fossil plants. Answer: One of the following is not a Marine Algae. Three Classes of Bryophytes, According to Proskauer: Question 10. (i) a&c (d) C-D-B-A, Question 4. d. Oogonium (iv) Endosperm is triploid in pinus. Answer: Click the card to flip Definition 1 / 53 B. angiosperms. Bryophytes though grow on soil but need water for sexual reproduction. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. a. Like bryophytes, ferns require water for fertilization. W - Quizlet (a) Zoospores Answer: Choose the correct statement regarding Gymnosperm Why do bryophytes need water for fertilization? The gametophytes do not . Answer: Bryophytes are multicellular and form tissue. After fertilization, the zygote divides to form an embryo. Bryophytes need water for fertilization ' - Justify the statement. Secondary growth is also traced in gymnosperms, E.g. Answer: Answer: The pollen tube grows towards the archegonium of the female gametophyte. Question 5. Analytical cookies are used to understand how visitors interact with the website. (iv) Cladophora crispate is growing now Answer: (ii) Vascular cryptogams were predominant in the paleozoic era (d) Genunae Bryophytes are the small and non-vascular plants that play an important role in regulating the ecosystem. The sporophyte that develops from a fertilized egg has two sets of chromosomes in each cell and so is also diploid. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Additionally used swimming it would need water. c. 42 - Bryophytes need water for reproduction and survival, usually Label (1) nucleus Green dye is derived from it. (ii) be & d Answer: Question 9. Identify and label the given diagram. a. Does bryophytes require water fertilization. How do I choose between my boyfriend and my best friend? Father of Indian Phycology F.E. The spores may also need moisture to disperse. What is internal and external fertilization? c. Chrysanthemum - Bryophytes need water for reproduction and survival, usually the male gametes (sperm) require water to reach the female gamete. (ii) Algae growing on snow is known as cryptophytes Most of the gymnosperms depend on wind for pollination. Bryophytes are amphibians of plant kingdom Justify. Why do bryophyta plants grow in land but need water for fertilization 5 subdivisions 19 orders 48 families. So, int order to reach fertilization sperm must be provided includes water. What is the first step in the fertilization process of plants? (a) (A) Epidermis (B) Xylem c. The reserve material is Floridian starch (a) Assertion and reason are correct, Reason explaining Assertion. What is meant by Siphonostele? 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Chlorella, Scenedesmus, Chlamydomonas are used in the sewage treatment plants. E. gnetophytes. Recessive represented by single to few celled stage Zygote develop in to dominant sporophyte e.g.Fucus, Gymnosperm, Angiosperm. (i) Spores look similar to parental cell Zoospore (A) Name the three classes of Bryophytes, according to Proskauer. The tiny, diploid sporophyte generation then undergoes meiosis to produce haploid spores. The cookie is used to store the user consent for the cookies in the category "Performance". Modern-day seedless tracheophytes include lycophytes and monilophytes. b. Zygnema The reason explaining Assertion. Why do bryophyta plants grow in land but need water for fertilization a. (ii) Embryo ofAngiosperm The most abundant and diverse plants on Earth are the angiosperms, the flowering plants. However, they still wait until a rainy period to reproduce, because they need water to carry sperm to the eggs. So that sperm can whip its flagella in water and swim to egg to fertilize it. Reinforcing agent in concrete and rubber. Answer: Look at the picture and find out the correct answer. Solved Like bryophytes, ferns require water for | Chegg.com (b) Mycorrhiza Answer: Question 6. (d) Assertion is true, but Reason is not explaining Assertion. Homosporous nature is the life history that occurs in all bryophytes and most pteridophytes. 268600, Question 3. This cookie is set by GDPR Cookie Consent plugin. The sporophyte is dominant, photosynthetic, and independent. Does bryophytes require water fertilization? - Answers The most generalized form of this process requires four steps: pollination, germination, penetration of the ovule, and fertilization. Father of Indian Bryology- Prof. Shiv. Necessary cookies are absolutely essential for the website to function properly. (C) Xylem (D) Phloem (c) Assertion is true, but Reason is wrong. b. Angiosperm & Gymnosperm Answer: Question 11. They fuse with the egg and form the zygote which initiates the sporophyte. Give an account of Rhodophyceae (red algae) criteria. (d) Assertion is true, but Reason is not explaining Assertion. Why? Coralloid roots of cycas have a symbiotic association with . In apogamy, a sporophyte grows into a gametophyte without fertilization occurring. Answer: Question 8. (iv) Ephedra gerardiana Slide mounting medium(D) Hence the correct option is C. (d) diploid Why is it important for water to be present for the fertilization of mosses and ferns? (i) Prothallus develop into a sporophyte Reason: Gnetum is a primitive gymnosperm. Angiosperms do not need water for fertilization because they rely on other mechanisms for sperm transport. b. Cycas, Question 7. The fertilized egg (zygote) grows out of the gametophyte, which is also the source of its nourishment. (c) (A) Epidermis (B) Cambium b. Volvox How co2 is dissolve in cold drink and why? Answer Step by step video, text & image solution for No need of water for fertilization in by Biology experts to help you in doubts & scoring excellent marks in Class 11 exams. Do gymnosperms have double fertilization? Answer: Samacheer Kalvi 10th Model Question Papers, Samacheer Kalvi 4th Tamil Guide Chapter 10 , Samacheer Kalvi 4th Tamil Guide Chapter 8 , Samacheer Kalvi 4th Tamil Guide Chapter 7 , Samacheer Kalvi 9th English Guide Prose Chapter 4 Seventeen Oranges, Samacheer Kalvi 8th Maths Guide Chapter 5 Geometry Ex 5.3, Samacheer Kalvi 8th Maths Guide Chapter 5 Geometry Ex 5.2, Samacheer Kalvi 4th Tamil Guide Chapter 6 , Samacheer Kalvi 4th Tamil Guide Chapter 5 , Samacheer Kalvi 4th Tamil Guide Chapter 4 , Samacheer Kalvi 4th Tamil Guide Chapter 3 , Samacheer Kalvi 4th Tamil Guide Chapter 2 , Dominant photosynthetic independent Recessive represented by the zygote.Zygote undergoes meiosis to restore haploidy e.g. d. Xylem, phloem, pericycle & medulla a. 1 Why do bryophytes require water in their life cycle? External water is not required for fertilization of - Toppr Where is the tallest General Electric Building located? plant kingdom; class-11; Share It On Facebook Twitter Email. What is the use of Diatomaceous earth? b. Akinetes formation in Pithophora How can seed plants reproduce without free standing water? a. Pollen tubes help in the transfer of the male nucleus & fertilization is Siphonogamous. (d) fronds Question 3. (C) Phloem (D) Cambium Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. 100 % . Plant body is a sporophyte and it is dominant phase. Answer: Answer: (2) cup-shaped chloroplast. Explain your answer. Beside above, how do angiosperms fertilize? Gemmae formation is not traced in which three of the given four options 286600 Answer: (d) Dinophyceae Ram Kashyap Correct option is C) Gymnosperms does not require water for fertilisation. The cookies is used to store the user consent for the cookies in the category "Necessary". Answer: Question 1. In bryophytes, the: male gametes require water to reach the female gametes. c. Pyrenoids, Question 5. d. Ginkgo (ii) Fossil Algae Calamites Baragwanthia Hence the correct option is D. It belongs to bacillario phyta. We also use third-party cookies that help us analyze and understand how you use this website. haplodiplontic (i) Chara thallus is encrusted with calcium carbonate a. Question 3. (b) gemmae, Question 19. Type Botanical name Tamilnadu State Board New Syllabus Samacheer Kalvi 11th Bio Botany Guide Pdf Chapter 2 Plant Kingdom d. The father of Indian Paleobotany Prof. Birbal Sahni Thus without water the life cycle of a bryophyte cannot be completed. State why seed plants do not require water for fertilization. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Do conifers require water for fertilization? (a) Assertion and Reason are correct. Give an account of Phaeophyceae. Water is not required in the fertilization of A) DryopterisB a. a. Halophytic Algae Dunaliella salina Answer: Write down Reimers classification of Pteridophytes. Answer: One reason bryophytes require water for fertilization is because their Sexual reproduction involves the mixing of the genes of two parents, with the potential to produce new plants that differ, genetically, from each parent. Whereas the condition is not similar in the case of Cycas. However, they still wait until a rainy period to reproduce, because they need water to carry sperm to the eggs. (c) haploid The numbers of known species of Angiosperms in the world is Question 4. Fern, algae and bryophytes require water for fertilisation. Like bryophytes, ferns require water for fertilization. Why? Explain What are the aspects that helped Pteridophtes to evolve into terrestrial habitats? d. Bryopteris Answer: Which of the plant group has gametophyte as a dominant phase ? (ii)Taxus brevifolia Wood for making door, boat & railway sleepers (B) In which of the following water is essential for fertilization? Do you agree with the statement bryophytes need water for fertilization If yes explain? The fern "life cycle" refers to sexual reproduction. 4 Do pteridophytes depend on water to reproduce? Question 13. (ii) Siliceous wall occurs in the cell wall of Diatom The earliest bryophytes that arose were are liverworts. Reason: The first division of the zygote is transverse & the apex of the embryo develops from the outer cell. Why do bryophytes need water for fertilization? (a) calcium carbonate, Question 7. Plant body is a sporophyte and it is also the dominant phase. d. Cycas, Question 6. So that sperm can whip its flagella inbound water and swim to egg for fertilize it. 3. The spore capsules are produced after the sperm have fertilized the eggs. One sperm cell fuses with the egg cell to form the embryo and the second sperm cell fuses with the central cell to form the endosperm. The cookie is used to store the user consent for the cookies in the category "Analytics". answered Aug 29, 2020 by Raju03 (53.6k points) selected Aug 29, 2020 by Kasis02 . Fritsch c. Pinus Use bryophytes, pteridophytes (e.g., ferns), gymnosperms, and angiosperms in your answer, and Sexual Reproduction - bryophyte - ANBG Answer: b. Riella Press ESC to cancel. After sperm and egg join in fertilization, the zygote . Like bryophytes, ferns require water for fertilization. (b) tetraploid Answer: The reason explaining Assertion. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. d. (I) True (II) False (III) False (IV) True, Question 4. 14 a. Pollen tube help in the transfer of male nucleus & fertilization is Siphonogamous Without water male gamete cannot be transfer towards the female gamete so we can say that it is true, Bryophytes need water for fertilisation. Answer: Answer: Question 8. What is the importance of fertilization in plants? . Reason: The endosperm is triploid and develops after fertilization in angiosperm. Experts are tested by Chegg as specialists in their subject area. Exercise 29 Lab Questions (practical 2) Flashcards | Quizlet Ans 2 : Male gametes require water to reach the female (iv) Angiosperms appeared during the Jurassic period Bryophytes are also characterized by male and female multicellular sex organs that produce gametes: Antheridia - male sex organs that produce sperm. (b) Assertion and Reason are correct, but Reason is not explaining Assertion. Answer: Question 1. Br. This cookie is set by GDPR Cookie Consent plugin. d.Roots c. Oedogonium, Question 3. Bryophyte sperm have a tail-like structure called a flagellum that enables them to swim through water to reach the egg for fertilization. General characteristic features of Bryophytes. In bryophytes, the: male gametes require water to reach the female gametes. Fritsch in his the structure and reproduction of Algae (1935)-classified Algae into 11 classes. The first step for the sperm to get out of the antheridia and the second is to then travel to the archegonia and fertilize the eggs within. a. The plant body has fronds, stipe & hold fast Volvox.Spirogyra. Which one of these does not require external water for fertilization? (a) Chlorella, Question 4. So mosses and liverworts are restricted to moist habitats. a. Aplanospores The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Explanation: Bryophytes are often termed as Amphibians of plant kingdom. Question 7. Before fertilization a. Pteridophytes Answer: (d) Chlamydomonas (iii) Zeamays Actinostele (C) So known as vascular cryptogam. d. They are the simplest plant group with root stem and leaves Do bryophytes need water for fertilization? b.Green dye is derived from it, Question 8. (d) Assertion is true, but Reason is not explaining Assertion. The pollen tube delivers two male gametes, the sperm cells, into the embryo sac. Answer: Question 5. You also have the option to opt-out of these cookies. What is the importance of angiosperms to humans? Which one of the following is a wrong pair? Answer: Question 1. Plants that are wind or animal-pollinated don't require water The transparent cell walls of a diatom are made up of hydrated silica. Question 4. (iii) Endosperm ofAngiosperm Match the following & find the correct answer. Stem show secondary growth only in dicots not in monocots. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. 2011-02-10 04:16:56. c. 42, Question 4. These plants are A. conifers. (c) Ulothrix Solution Reproduction in bryophytes In order to produce offspring with a genetic makeup that is both similar to and distinct from each parent, sexual reproduction involves combining the genes of two different parents. 2 Why do bryophytes need water for fertilization? Answer: d. Raj mahal hill Jharkhand Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. The lack of bundles to transport water and nutrients limits the height of bryophytes, generally keeping the largest under 8 inches. (d) brood bodies Bryophyte - Definition, Characteristics, Life Cycle and Examples a. Leucoplasts (ii) Lycopodium serratum Eustele(B) In bryophytes sexual reproduction occurs in gametophyte ( dominant phase ) . (d) ammonium carbonate Write down the economic importance of Bryophyte? (c) Cyanophyccae (a) Assertion and Reason are correct. Mosses also are restricted to living in damp locations. F.E. Sperm produced by a male gametophyte must swim through a layer of rainwater or dew to reach an egg produced by a female gametophyte. (i) Helianthusannum Amphiboloicstele (A) Their flagellated sperm must swim through water to reach the egg. Bryophytes have the plant body as haploid gametophyte. Where have you noticed it? (a) Blue-green algae It is opposite to Manoxylic condition which is seen in Cycas. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. (b) (A) Epidermis (B) Phloem plant fertilization is the joining of male and female gametes, resulting in a zygote. What is the word that goes with a public officer of a town or township responsible for keeping the peace? b. Assertion: The embryogeny is endoscopic in Bryophytes. b. Akinetes, Question 12. (iv) Thin walled motile spores Aplanospore (D) Pollination is not entomophilous in b. Rhizoids Biology. How is it possible for mantle rock to flow? Bryophytes are often termed as Amphibians of plant kingdom. Which one of the following is a wrong pair? This website uses cookies to improve your experience while you navigate through the website. Pollen allows angiosperms and gymnosperms to reproduce away from water, unlike mosses and ferns which require water for sperm to swim to the female gametophyte. How do flowers contribute to the reproductive success of angiosperms? (iv) a&b Answer: (a) Blue-green algae. Answer: Answer: Of this the photosynthetic plants called algae are the major primary producers Nearly 1/2 of total productivity of the world is done by marine Algae. c. 224400 The cookies is used to store the user consent for the cookies in the category "Necessary". a. Answer: B. angiosperms. The gametophyte is dependent on water for fertilization but sporophyte can undergo apogamy in dry conditions. Double fertilization & triple fusion present is one of the unique features. In this regard, in which plant type is water not required for fertilization? d. Marchantia d. Rumohra adiantiformis (iv) Fossil Gymnosperm Palaeoporella,Dimorphosiphon We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. d.They are the simplest land inhabiting cryptogams lacking vascular tissues. What is Amber? Answer: The 3 types of life cycles seen in the plant: Question 4. . The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be 14 c. 42 d. 28 Answer: c. Sea palm, Question 6. d. Selaginella Differentiate between Sorus, Sporangia, Sporophyll. The sperms the bryophytes are flagellated and testicle represent non-motile. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Answer: Question 6. (a) calcium carbonate Marchantia vegetatively propagates by . Question 9. b. Northern Europe (Netherlands) peat is a commercial fuel. gametes. - Secondly, as they dont have well developed vascular system Answer: 2003-2023 Chegg Inc. All rights reserved. b. Thallus 2 Why do plants such as bryophytes need to have liquid water present in order for sexual reproduction to occur? 268600 Click the card to flip Flashcards Learn Test Match Find the chromosome number of the following by choosing the correct option. water plays a vital role in fertilization since water film is needed for the transfer of spermatium (male sex cell) to the egg cell. Which generation is dominant in seed plants? Nitrates, brown dye, tanning materials are derived from the peat used in horticulture as packing material. So, in order to accomplish fertilization sperm must be provided with water. a. Lycopodium (iii) Branches of limited growth and branches of unlimited growth are seen in gymnosperm b. Mango b. Epiphytic Algae Rhodymenia b. Heterospory is of common occurrence a. Pteridophyta & Gymnosperm b. Do bryophytes need water for fertilization? - Answers a. Hence, the correct answer is option C. Additional Information: Water plays a significant role in the completion of the life cycle in Bryophytes. (b) Gracilaria are thin-walled non motile spores. Name the 3 types of life cycles seen in plants? Which are diploid? The plant body has fronds, stipe & holdfast, Question 7. Explain the water to land transition in plants with respect to challenges overcome related to water requirements for fertilization to occur and vascular tissue. Answer: Why do bryophytes require water in their life cycle? Why? Which algae leads an endozoic life in Hydra? (iii) ab & d Justify your answer. (iii) The common name of Postelia Palmaeformis is known as sea palm. The study of Algae is known as Phycology (ii) Spore bearing leaves in pteridophytes are known as a sorus *the sporophyte generation being dependent on the gametophyte generation.