Zygotic meiosis is characteristic of; (1) Fucus (2) Funaria (3) Chlamydomonas (4) Marchantia

Zygotic meiosis is characteristic of;
(1) Fucus (2) Funaria
(3) Chlamydomonas (4) Marchantia
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1 Answer

Answer :

(3) Chlamydomonas
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Zygotic meiosis is characteristic of (a) Fucus (b) Funaria (c) Chlamydomonas (d) Marchantia

Description : Zygotic meiosis is characteristic of (a) Fucus (b) Funaria (c) Chlamydomonas (d) Marchantia

Last Answer : (c) Chlamydomonas

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

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

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

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

Read the following statements (A – E) and answer the question which follows them. (A) In liverworts, mosses and ferns gametophytes are free-living. (B) Gymnosperms and some ferns are heterosporous. (C) Sexual reproduction in Fucus, Volvox and Albugo is oogamous. (D)The sporophyte in liverworts is more elaborate than that in mosses. (E) Both, Pinus and Marchantia are dioecious. How many of the above statements are correct? (a) Three (b) Four (c) One (d) Two

Description : Read the following statements (A - E) and answer the question which follows them. (A) In liverworts, mosses and ferns gametophytes are free-living. (B) Gymnosperms and some ferns are heterosporous. (C) Sexual ... How many of the above statements are correct? (a) Three (b) Four (c) One (d) Two

Last Answer : (a) Three

Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.

Description : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.

Last Answer : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.

Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.

Description : Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.

Last Answer : (d) Spirogyra.

Select the wrong statement. (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile. (b) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy. (c) Isogametes are similar in structure, function and behaviour. (d) Anisogametes differ either in structure, function or behaviour.

Description : Select the wrong statement. (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile. (b) Chlamydomonas exhibits both isogamy and anisogamy and ... in structure, function and behaviour. (d) Anisogametes differ either in structure, function or behaviour.

Last Answer : (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile.

In which of the following, gametophyte is not independent free living? (a) Pteris (b) Pinus (c) Funaria (d) Marchantia

Description : In which of the following, gametophyte is not independent free living? (a) Pteris (b) Pinus (c) Funaria (d) Marchantia

Last Answer : (b) Pinus

Archegoniophore is present in (a) Marchantia (b) Chara (c) Adiantum (d) Funaria.

Description : Archegoniophore is present in (a) Marchantia (b) Chara (c) Adiantum (d) Funaria.

Last Answer : a) Marchantia

The plant body is thalloid in (a) Sphagnum (b) Salvinia (c) Marchantia (d) Funaria.

Description : The plant body is thalloid in (a) Sphagnum (b) Salvinia (c) Marchantia (d) Funaria.

Last Answer : (c) Marchantia

Elater mechanism for spore dispersal is exhibited by (a) liverworts (b) Marchantia (c) Riccia (d) Funaria.

Description : Elater mechanism for spore dispersal is exhibited by (a) liverworts (b) Marchantia (c) Riccia (d) Funaria.

Last Answer : b) Marchantia

Which of the following is responsible for peat formation? (a) Marchantia (b) Riccia (c) Funaria (d) Sphagnum

Description : Which of the following is responsible for peat formation? (a) Marchantia (b) Riccia (c) Funaria (d) Sphagnum

Last Answer : (d) Sphagnum

Which one is the most advanced from evolutionary view point? (a) Selaginella (b) Funaria (c) Chlamydomonas (d) Pinus

Description : Which one is the most advanced from evolutionary view point? (a) Selaginella (b) Funaria (c) Chlamydomonas (d) Pinus

Last Answer : (d) Pinus

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

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

$ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid

Description : $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid

Last Answer : $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid A. If ... is wrong D. If both As and R are wrong.

2.Which of the following organism shows zygotic meiosis? (a) Nephrolepis, b)Pinus, c) Spirogyra d) mango)

Description : 2.Which of the following organism shows zygotic meiosis? (a) Nephrolepis, b)Pinus, c) Spirogyra d) mango)

Last Answer : c) Spirogyra

Anoxygenic photosynthesis is characteristic of (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva.

Description : Anoxygenic photosynthesis is characteristic of (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva.

Last Answer : (a) Rhodospirillum

Describe the post-zygotic events leading to implantation and placenta formation in humans. Mention any two functions of placenta. [All India 2010] or Explain the process of fertilisation in human female and trace the post-fertilisation events in a sequential order up to implantation of the embryo. [Foreign 2010] -Biology

Description : Describe the post-zygotic events leading to implantation and placenta formation in humans. Mention any two functions of placenta. [All India 2010] or Explain the process of fertilisation in human female ... events in a sequential order up to implantation of the embryo. [Foreign 2010] -Biology

Last Answer : Post-zygotic events leading to implantation and placenta formation. After implantation of blastocyst, the finger-like projections called chorionic villi, appear on the trophoblast and is surrounded by ... acts as an endocrine gland and secretes hormones like hPL, hCG, oestrogen and progesterone.

Which of the following statements is not true about somatic embryogenesis? (a) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo. (b) Somatic embryos can develop from microspores. (c) Somatic embryo is induced usually by an auxin such as 2, 4-D. (d) A somatic embryo develops from a somatic cell.

Description : Which of the following statements is not true about somatic embryogenesis? (a) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo. (b) Somatic embryos can develop from ... an auxin such as 2, 4-D. (d) A somatic embryo develops from a somatic cell.

Last Answer : (b) Somatic embryos can develop from microspores.

Nuceller seedlings are also called as: a. Monoembryony b. Zygotic seedling c. Polyembryony d. None of them

Description : Nuceller seedlings are also called as: a. Monoembryony b. Zygotic seedling c. Polyembryony d. None of them

Last Answer : Polyembryony

Hybrid varieties of cucumber grown in tunnels are: a. Parthenocarpic b. Zygotic c. Both types d. None of these

Description : Hybrid varieties of cucumber grown in tunnels are: a. Parthenocarpic b. Zygotic c. Both types d. None of these

Last Answer : Parthenocarpic

.Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Last Answer : (a) Two X chromosomes

Adventive embryony in Citrus is due to (a) nucellus (b) integuments (c) zygotic embryo (d) fertilized egg.

Description : Adventive embryony in Citrus is due to (a) nucellus (b) integuments (c) zygotic embryo (d) fertilized egg.

Last Answer : nucellus

Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) Terminalisation of chiasmata C. Diakinesis (iii) Crossing-over takes place D. Zygotene (iv) Chromosomes align at equatorial plate (a) A-(iii), B-(iv), C-(ii), D-(i) (b) A-(i), B-(iv), C-(ii), D-(iii) (c) A-(ii), B-(iv), C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)

Description : Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) ... , C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)

Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)

What is fucus vesiculosus used for? -Biology

Description : What is fucus vesiculosus used for? -Biology

Last Answer : answer:

Fucus paraphysis -Biology

Description : Fucus paraphysis -Biology

Last Answer : answer:

What do you know about Fucus?

Description : What do you know about Fucus?

Last Answer : Fucus is a large brown seaweed

The guts of cow and buffalo possess (a) methanogens (b) cyanobacteria (c) Fucus sp. (d) Chlorella sp.

Description : The guts of cow and buffalo possess (a) methanogens (b) cyanobacteria (c) Fucus sp. (d) Chlorella sp.

Last Answer : (a) methanogens

Life cycles of Ectocarpus and Fucus respectively are (a) diplontic, haplodiplontic (b) haplodiplontic, diplontic (c) haplodiplontic, haplontic (d) haplontic, diplontic

Description : Life cycles of Ectocarpus and Fucus respectively are (a) diplontic, haplodiplontic (b) haplodiplontic, diplontic (c) haplodiplontic, haplontic (d) haplontic, diplontic

Last Answer : (b) haplodiplontic, diplontic

Mannitol is the stored food in (a) Porphyra (b) Fucus (c) Gracillaria (d) Chara.

Description : Mannitol is the stored food in (a) Porphyra (b) Fucus (c) Gracillaria (d) Chara.

Last Answer : (b) Fucus

Life cycle of Ectocarpus and Fucus respectively are: (1) Diplontic, Haplodiplontic (2) Haplodiplontic, Diplontic (3) Haplodiplontic, Haplontic (4) Haplontic, Diplontic

Description : Life cycle of Ectocarpus and Fucus respectively are: (1) Diplontic, Haplodiplontic (2) Haplodiplontic, Diplontic (3) Haplodiplontic, Haplontic (4) Haplontic, Diplontic

Last Answer : (2) Haplodiplontic, Diplontic

Protonema stage of Funaria -Biology

Description : Protonema stage of Funaria -Biology

Last Answer : answer:

Dominant phase in the life cycle of Funaria. -Biology

Description : Dominant phase in the life cycle of Funaria. -Biology

Last Answer : answer:

$ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual.

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.

$ The dominant phase in Bryophytes is called Thallus. ! Thallus of Funaria is monoecious and autoicous.

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.

Retort cells are found in: (a) Funaria (b) Pogonatum (c) Sphagnum (d) Porella

Description : Retort cells are found in: (a) Funaria (b) Pogonatum (c) Sphagnum (d) Porella

Last Answer : Ans. ((c))

Give a detail note on Funaria?

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. 

.Which one of the following has haplontic life cycle? (a) Polytrichum (b) Ustilago (c) Wheat (d) Funaria

Description : .Which one of the following has haplontic life cycle? (a) Polytrichum (b) Ustilago (c) Wheat (d) Funaria

Last Answer : (d) Funaria

. 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

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

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

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

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 killed by Pteris sperms (c) Funaria sperms are less mobile (d) Pteris archegonia release chemical to attract its sperms.

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.

Which one of the following is not common between Funaria and Selaginella? (a) Archegonium (b) Embryo (c) Flagellate sperms (d) Roots

Description : Which one of the following is not common between Funaria and Selaginella? (a) Archegonium (b) Embryo (c) Flagellate sperms (d) Roots

Last Answer : (d) Roots

Dichotomous branching is found in (a) liverworts (b) pteridophytes (c) fern (d) Funaria.

Description : Dichotomous branching is found in (a) liverworts (b) pteridophytes (c) fern (d) Funaria.

Last Answer : (a) liverworts

Apophysis in the capsule of Funaria is (a) lower part (b) upper part (c) middle part (d) fertile part.

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

Protonema occurs in the life cycle of (a) Riccia (b) Funaria (c) Anthoceros (d) Spirogya

Description : Protonema occurs in the life cycle of (a) Riccia (b) Funaria (c) Anthoceros (d) Spirogya

Last Answer : (b) Funaria

The plant body of moss (Funaria) is (a) completely sporophyte (b) predominantly gametophyte with sporophyte (c) completely gametophyte (d) predominantly sporophyte with gametophyte.

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

The antherozoids of Funaria are (a) multiciliated (b) monociliated (c) aciliated (d) biciliated.

Description : The antherozoids of Funaria are (a) multiciliated (b) monociliated (c) aciliated (d) biciliated.

Last Answer : (d) biciliated.

Cell wall is absent in (a) Mycoplasma (b) Nostoc (c) Aspergillus (d) Funaria

Description : Cell wall is absent in (a) Mycoplasma (b) Nostoc (c) Aspergillus (d) Funaria

Last Answer : (a) Mycoplasma

Sporophyte of Marchantia. -Biology

Description : Sporophyte of Marchantia. -Biology

Last Answer : answer:

Structure of antheridiophore of Marchantia. -Biology

Description : Structure of antheridiophore of Marchantia. -Biology

Last Answer : answer: