Q: _______of the pollen grain divides to form two male gametes. (a) Vegetative cell (b) Generative cell…
A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…
Q: Species in the phyla Hepatophyta, Anthocerophyta and Bryophyta have all the following…
A: The plant kingdom comprises organisms that are eukaryotic, multicellular, and possess the key…
Q: Reproduction in a pine tree is associated witha. male and female cones. c. the formation of pollen…
A: Reproduction in plants is accomplished through sexual as well as asexual mode. In gymnosperms like a…
Q: Both chasmogamous and cleistogamous flowers are present in (a) Helianthus (b) Commelina (c) Rosa (d)…
A: The highly modified shoot meant for sexual reproduction in the case of plants. A modified and…
Q: 1.10 All of the following statements about plants are true except one. Select the statement that is…
A: Answer : The correct answer would be according to the question would be : Option B) a protected…
Q: b. basal meristem cells continuously produce new spore-generating. c. the foot develops rhizoids and…
A: Hornworts are the type of bryophyte. Bryophytes have gametophytic as a dominant phase of their life…
Q: Mosses, liverworts, and hornworts do not reach a large size becausea. they lack chlorophyll.b. they…
A: Answer is b.) they do not have specialized vascular tissue to transport water very high.
Q: Primary vascular tissues are produced by the O a. intercalary meristems O b. ground meristem O c…
A: Introduction: The plant growth is not limited and occurs throughout the whole life of the plant.…
Q: You’ve just bought a house with a great view of the mountains, but you have a neighbor who planted a…
A: Plants and trees are the living things which belong to the kingdom plantae in the 5 kingdom…
Q: Choose the best below :In bryophytes, sperm usually move from the antheridium to thearchegonium bya.…
A: Answer is a.) swimming.
Q: Growth of pollen tube towards embryo sac is (a) chemotropic (b) thigmotaxis (c) geotropic (d) none…
A: Answer is a.) chemotropic.
Q: A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow…
A: Flower is a reproductive part of a modified thick shoot of an angiosperm plant. In order to carry…
Q: Raphe in Marsilea is present in- (A) Female gametophyte (B) Sporocarp (C) Sporophyte (D) Male…
A: Introduction - One of the most crucial properties of the plant is fertilisation. It occurs within…
Q: A common type of asexual reproduction in angiosperms is calleda. double fertilization.b.…
A: Answer is C.) Vegetative Reproduction.
Q: Over the course of plant evolution, there has been an increasing dominance ofa. the gametophyte…
A: Most primitive plants are bryophytes which then evolved to form vascular plants of two types i.e.…
Q: The part of gynoecium that determines the compatible nature of pollen is: (a) stigma (b) style (c)…
A: The gynoecium is the female reproductive part of the flower which consists of one or more pistil and…
Q: A seed contains what? O spores O gametes O a baby gametophyte O a baby sporophyte
A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…
Q: A waxy cuticle is an adaptation thata. helps to prevent water loss from tracheophytes.b. helps to…
A: The plants need various substances for their purpose of growth. The plants make their own food with…
Q: In a bisexual flower if androcium and gynoecium mature at different time the phenomeon is known as…
A: Dichogamy is one type of cross-fertilization in which male and female organisms' maturation occurs…
Q: Ferns havea. a dominant gametophyte generation.b. vascular tissue.c. seeds.d. Both a and b are…
A: Answer- Ferns comes under pteridophytes.
Q: Which of the following characteristics of plants is absent intheir closest relatives, the charophyte…
A: Charophytes are classified under freshwater algae, which share certain distinctive traits with the…
Q: In plants,a. a gamete becomes a gametophyte.b. a spore becomes a sporophyte.c. both sporophyte and…
A: Flowering plants show the "alternation of generations" as a stimulating life cycle for sexual…
Q: The female gametophyte in flowering plants is also called the (a) polar nuclei (b) anther (c) embryo…
A: Step 1 Angiosperms or flowering plants are seed plants in which sporophylls are organized into…
Q: Flower shape, scent, color, and the presence of nectar in the flowers of some angiosperms function…
A: Angiosperms are vascular plants with stems, roots, and leaves. The seeds of the angiosperm are found…
Q: The following evolutionary trends are seen in the seedless land plants. a. Gametophytes became…
A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…
Q: Suppose an efficient conducting system evolved in a moss thatcould transport water and other…
A: Mosses are the flowerless, non-vascular and small plants that are generally present in shady or damp…
Q: The sporophyte of nonvascular plants A. possesses anthers and archegonia O B. produces spores C. is…
A: Thank you for the question Answer :- The correct option is B( The sporophytes of non vascular…
Q: Ferns differ from mosses in having: O a. There is no separate gametophyte and sporophyte (each plant…
A: Answer: Introduction: In mosses, the primary protonema (developed in the first stage) develops into…
Q: All of the following statements about the pine life cycle are false EXCEPT: O Cones are homologous…
A: Pine tree is a Gymnosperm.
Q: Seeds are better for dispersal than spores because: O a. They have bigger reserves of food. O b.…
A: Dispersal: An ecological process by which seeds and fruits are scattered to a distant location from…
Q: In mosses, the sporophyte generation O gives rise to the gametes by meiosis. O has been eliminated.…
A: The mosses are under the plant group bryophyta, that are the simplest and primitive non-flowering…
Q: The green, gametangia-bearing moss plant (a) is the haploid gametophyte generation (b) is the…
A: The moss has the mature sporophyte that stays attached to the gametophyte and the sporophyte is not…
Q: In a plant’s male reproductive organs, development of pollen takes place in a structure known as the…
A: In flowering plants, the plant's male and female reproductive parts called androecium and gynoecium…
Q: In modern production of nori (Porphyra yezoensis), are grown on nets. are grown on oysters; and…
A: Porphyra is commonly called nori, and it is a Japanese seaweed used as food (sushi, soups) dishes.…
Q: In mosses life cycle, the haploid sporophyte is attached to the dominant and diploid gametophyte. O…
A: In mosses *Dominant, Independent, photosynthetic phase is --> Haploid Gametophyte…
Q: A Fern spore germinating B Young prothallium F Young sporophyte attached to gametophyte C Mature…
A:
Q: A prothallus is: O a. Atype of gametophyte. O b. Found in the conifers for transporting the sperm. O…
A: Ferns are a vascular plant group that belongs to the Pteridophytes plant kingdom. They reproduce by…
Q: Which of following are found in the gametophyte generation of ?mosses إختر أحد الخيارات protonemata,…
A: There is a first generation moss, the gametophyte. The gametophyte produces a sperm and an egg. They…
Q: Why is it advantageous for some species of basidiomycetes (club fungi) to produce a showy and fleshy…
A: Introduction: Basidiomycota are also known as the club fungi.Basidiomycetes are distinguished from…
Q: A seed is a(n)_______ . a. female gametophyte c. mature pollen tube b. mature ovule d. immature…
A: A flower is a reproductive structure located in flowering plants ( angiosperms) that is also…
Q: Plants develop from stem cells called O A. blastocyst O B. meristems O c. embryonic stem cells O D.…
A: Stem cells are undifferentiated cells that have the capability to divide and differentiate into a…
Q: Species in the phyla Hepatophyta, Anthocerophyta and Bryophyta have all the following…
A: Classification, Characteristics, And Habitats Of Bryophytes, Hepatophyta (division Liverworts),…
Q: The bryophytes (a) include mosses, liverworts, and hornworts (b) include whisk ferns, horsetails,…
A: Bryophytes are plant species that play an important role in ecosystem regulation. They collect vital…
Q: What is the function of the sori found on the underside of the fern fronds a. Gas exchange b.…
A: A fern is a plant which is flowerless and have feathery or leafy fronds. Fern reproduces by spores…
Q: Some fruits explode when touched. This: O a. It frightens away insect herbivores. O b. It occurs if…
A: Plants and animals develop defensive characteristics to prevent the extinction of their species and…
Q: In mosses, the leaves are very primitive because: O a. The leaves do not carry out photosynthesis. O…
A: These are small plants grow in very damp and protected places. Mosses are dioecious. At certain time…
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- In bryophytes, eggs are fertilized in a chamber on the ________ and a zygote develops into a _______. a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; coneThe waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusSpores released from a mushrooms gills are _______. a. dikaryotic c. flagellated b. diploid d. produced by meiosis
- буmnosperms Type of spore formed by heterosporous species which give rise to female gametophytes. A. Hetrospores B. Mergasporngiav C. Homospores D. MegasporesSeeds are better for dispersal than spores because: They have bigger reserves of food. O a. O b. They produce a gametophyte. O c. They can resist dehydration. O d. They are diploid. O e. They do not depend on water.In an alternation of generations life cycle, spores developinto____________ that produce gametes that fuse to giverise to__________ .a. haploid gametophytes; diploid sporophytesb. diploid gametophytes; haploid sporophytesc. haploid sporophytes; diploid gametophytesd. diploid sporophytes; haploid gametophytes
- A mycorrhiza of a mushroom meet and matures to a new individual. A.Sporulation B.Parthenogenesis C.Isogamy D.Sexual Reproduction E.Asexual ReproductionWhich of the following terms is not associated with a male portion of a plant?a. megasporeb. antheridiumc. pollen grainsd. microsporeFertilisation in moss occurs when sperms swim from a .. and down the neck of a Options O Antheridium, sporangium Sporangium, antheridium O Antheridium, archegonium O Archegonium, antheridium
- In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesAll of the following are processes that occur during angiosperm reproductionEXCEPT A. One megaspore degenerate, and the other three divides once to producethe six-celled embryo sac.B. The microspore mother cell undergoes meiosis to produce four haploidmicrospores.C. The megaspore mother cell undergoes meiosis to produce four haploidmegaspores.D. The generative cell forms two sperm cells via mitosis.Sel generatif membentuk dua sel sperma melalui mitoThe alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage is reduced B. the sporophyte stage is reduced C. the gametes are produced via meiosis D. the spores are produced via meiosis
