Description : Which one is the most advanced from evolutionary view point? (a) Selaginella (b) Funaria (c) Chlamydomonas (d) Pinus
Last Answer : (d) Pinus
Description : Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? A B C D (a) Chara Marchantia Fucus Pinus (b) Equisetum Ginkgo Selaginella Lycopodium (c) Selaginella Equisetum Salvinia Ginkgo (d) Funaria Adiantum Salvinia Riccia
Last Answer : (c) Selaginella Equisetum Salvinia Ginkgo
Description : Bryophytes are dependent on water, because (a) water is essential for their vegetative propagation (b) the sperms can easily reach upto egg in the archegonium (c) archegonium has to remain filled with water for fertilization (d) water is essential for fertilization for their homosporous nature.
Last Answer : (b) the sperms can easily reach upto egg in the archegonium
Description : Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as (a) Pteris archegonia repel Funaria sperms (b) Funaria sperms get ... (c) Funaria sperms are less mobile (d) Pteris archegonia release chemical to attract its sperms.
Last Answer : (d) Pteris archegonia release chemical to attract its sperms.
Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.
Last Answer : (b) female gametophyte lacks archegonia
Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D
Last Answer : (a) A, D and E
Description : Flagellate cells are absent in which algae?
Last Answer : Red algae
Description : Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.
Last Answer : (b) well developed vascular system
Description : : _____ is a parasitic flagellate in humans and is transmitted through sexual intercourse. a. Trichonympha b. Trypanosoma c. Trichomonas d. Leishmania,
Last Answer : b. Trypanosoma
Description : What is common in all the three, Funaria, Dryopteris and Ginkgo? (a) Presence of archegonia (b) Well developed vascular tissues (c) Independent gametophyte (d) Independent sporophyte
Last Answer : (a) Presence of archegonia
Description : Stem cells which are capable of developing into other types of cells come from the (1) roots (2) stem (3) embryo (4) flower
Last Answer : embryo
Description : Archegonium of bryophyte. -Biology
Last Answer : answer:
Description : Are archegonium haploid or diploid. -Biology
Description : Moss archegonium haploid or diploid -Biology
Description : Difference between archegonium and antheridium. -Biology
Description : Antheridium and archegonium in marchantia? -Biology
Description : In bryoph4tes the female sex organ is called: (a) Archegonium (b) Antheridium (c) Carpogonium (d) Ascogonium
Last Answer : Ans. ((a))
Description : How many neck canal cells are found in the archegonium of a fern? (1) One (2) Two (3) Three (4) Four
Last Answer : (1) One Explanation: Archegonium is the female reproductive organ in ferns and mosses. The upper part of the archegonium, the neck, consists of four rows of cells containing central neck cells. The uppermost ... the lowest cell is the ventral canal cell. It has one neck canal cell with two nuclei.
Description : A plant growing on moist soil has a thalloid body, rhizoids and archegonium. To which group of Metaphyta do you include it? Give one example of the group.
Last Answer : The plant belongs to bryophyte Ex: Riccia, Funaria etc.
Description : .A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises (a) gymnosperms and flowering plants (b) pteridophytes and gymnosperms (c) gymnosperms only (d) bryophytes and pteridophytes
Last Answer : d) bryophytes and pteridophytes.
Description : How many neck canal cells are found in the archegonium of a fern ? (1) One (2) Two (3) Three (4) Four
Last Answer : One
Description : Heterospory in Selaginella -Biology
Description : $ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous.
Last Answer : $ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous. A. If both As ... D. If both As and R are wrong.
Description : Which one has the largest gametophyte? (a) Cycas (b) Angiosperm (c) Selaginella (d) Moss
Last Answer : (d) Moss
Description : .Match items in column I with those in columnII. Column I Column II (A) Peritrichous flagellation (J) Ginkgo (B) Living fossil (K) Macrocystis (C) Rhizophore (L) Escherichia coli (D) Smallest flowering plant (M) Selaginella (E) Largest perennial ... - M; E - J (d) A - J; B - K; C - N; D - L; E - M
Last Answer : (a) A - L; B - J; C - M; D - N; E - K
Description : A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris
Last Answer : (c) Chlamydomonas
Description : Which one of the following is categorised under living fossils? (a) Pinus (b) Cycas (c) Selaginella (d) Metasequoia
Last Answer : (b) Cycas
Description : Which of the following statements is correct? (a) Ovules are not enclosed by ovary wall in gymnosperms. (b) Selaginella is heterosporous, while Salvinia is homosporous. (c) Horsetails are gymnosperms. (d) Stems are usually unbranched in both Cycas and Cedrus.
Last Answer : (a) Ovules are not enclosed by ovary wall in gymnosperms.
Description : Evolutionary important character of Selaginella is (a) heterosporous nature (b) rhizophore (c) strobili (d) ligule.
Last Answer : (a) heterosporous nature
Description : Which of the following statement is correct ? (1) Ovules are not enclosed by ovary wall in gymnosperms (2) Selaginella is heterosporous, while Salvinia is homosporous (3) Horsetails are gymnosperms (4) Stems are usually unbranched in both Cycas and Cedrus
Last Answer : (1) Ovules are not enclosed by ovary wall in gymnosperms
Description : Resurrection plant is a. Spirogyra b. Selaginella c. Lichen d. Rhynia
Last Answer : b. Selaginella
Description : Protonema stage of Funaria -Biology
Description : Dominant phase in the life cycle of Funaria. -Biology
Description : $ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual.
Last Answer : $ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual. A. If both As and ... wrong D. If both As and R are wrong.
Description : $ The dominant phase in Bryophytes is called Thallus. ! Thallus of Funaria is monoecious and autoicous.
Last Answer : $ The dominant phase in Bryophytes is called Thallus. ! Thallus of Funaria is monoecious and autoicous. A. ... wrong D. If both As and R are wrong.
Description : Retort cells are found in: (a) Funaria (b) Pogonatum (c) Sphagnum (d) Porella
Last Answer : Ans. ((c))
Description : Give a detail note on Funaria?
Last Answer : Habitat: - It is common moss and found growing at damp places. Size: - Its size is half to an inch. Structure: - It consists of three parts. i) A vertical stem like structure. ii) Leaf ... mosses. At least 30% earth is covered with peat-mosses. In some countries peat is also used as fuel.
Description : .Which one of the following has haplontic life cycle? (a) Polytrichum (b) Ustilago (c) Wheat (d) Funaria
Last Answer : (d) Funaria
Description : Zygotic meiosis is characteristic of (a) Fucus (b) Funaria (c) Chlamydomonas (d) Marchantia
Description : Which one of the following pairs of plants are not seed producers? (a) Fern and Funaria (b) Funaria and Ficus (c) Ficus and Chlamydomonas (d) Funaria and Pinus
Last Answer : (a) Fern and Funaria
Description : Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra
Last Answer : (c) Riccia, Dryopteris and Cycas
Description : . In which one of the following male and female gametophytes do not have free living independent existence? (a) Polytrichum (b) Cedrus (c) Pteris (d) Funaria
Last Answer : (b) Cedrus
Description : In which of the following, gametophyte is not independent free living? (a) Pteris (b) Pinus (c) Funaria (d) Marchantia
Last Answer : (b) Pinus
Description : Dichotomous branching is found in (a) liverworts (b) pteridophytes (c) fern (d) Funaria.
Last Answer : (a) liverworts
Description : Archegoniophore is present in (a) Marchantia (b) Chara (c) Adiantum (d) Funaria.
Last Answer : a) Marchantia
Description : The plant body is thalloid in (a) Sphagnum (b) Salvinia (c) Marchantia (d) Funaria.
Last Answer : (c) Marchantia
Description : Apophysis in the capsule of Funaria is (a) lower part (b) upper part (c) middle part (d) fertile part.
Last Answer : (a) lower part
Description : Protonema occurs in the life cycle of (a) Riccia (b) Funaria (c) Anthoceros (d) Spirogya
Last Answer : (b) Funaria
Description : The plant body of moss (Funaria) is (a) completely sporophyte (b) predominantly gametophyte with sporophyte (c) completely gametophyte (d) predominantly sporophyte with gametophyte.
Last Answer : (b) predominantly gametophyte with sporophyte