Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes

Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes
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Plants reproducing by spores such as mosses and ferns are grouped under the general term (a) cryptogams (b) bryophytes (c) sporophytes (d) thallophytes

Description : Plants reproducing by spores such as mosses and ferns are grouped under the general term (a) cryptogams (b) bryophytes (c) sporophytes (d) thallophytes

Last Answer : (a) cryptogams

The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) nodulation of Sesbania stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Description : The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) ... stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Last Answer : (b) gall formation on certain angiosperms by Agrobacterium

Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Description : Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Last Answer : Ans. ((b))

Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast

Description : Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast

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A plant which reproduces by means of spores (1) Mustard (2) Coriander (3) Ferns (4) Petunia

Description : A plant which reproduces by means of spores (1) Mustard (2) Coriander (3) Ferns (4) Petunia

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Turpentine is got from (a) angiospermous wood (b) bryophytes (c) gymnospermous wood (d) ferns.

Description : Turpentine is got from (a) angiospermous wood (b) bryophytes (c) gymnospermous wood (d) ferns.

Last Answer : (c) gymnospermous wood

Which of the following are the most common bryophytes? a) ferns b) cone-bearing plants c) mosses and liverworts d) flowering plants

Description : Which of the following are the most common bryophytes? a) ferns b) cone-bearing plants c) mosses and liverworts d) flowering plants

Last Answer : ANSWER: C -- MOSSES AND LIVERWORTS

Bryophytes comprise (a) dominant phase of gametophyte which produces spores (b) small sporophyte phase and generally parasitic on gametophyte (c) sporophyte is of longer duration (d) dominant phase of sporophyte which is parasitic.

Description : Bryophytes comprise (a) dominant phase of gametophyte which produces spores (b) small sporophyte phase and generally parasitic on gametophyte (c) sporophyte is of longer duration (d) dominant phase of sporophyte which is parasitic.

Last Answer : b) small sporophyte phase and generally parasitic on gametophyte

Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

Description : Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

Last Answer : Ans. ((a))

In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Description : In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Last Answer : Ans. ((d))

How do angiosperms differ from gymnosperms?

Description : How do angiosperms differ from gymnosperms?

Last Answer : First, the seeds of the angiosperms, a more recently evolved and highly successful division of the tracheophytes, are enclosed within a protective chamber, the ovary. A ripened ovary containing ... support. In conifers, the single xylem elements, the tracheids, represent a more primitive condition 

The fused bracts in the male flowers of Gnetum are comparable to ....... a) leaves of angiosperms b) bracteoles of angiosperms c) bracts of angiosperms d) perianth of angiosperms

Description : The fused bracts in the male flowers of Gnetum are comparable to ....... a) leaves of angiosperms b) bracteoles of angiosperms c) bracts of angiosperms d) perianth of angiosperms

Last Answer : b) bracteoles of angiosperms

Double fertilization in Angiosperms was discovered by

Description : Double fertilization in Angiosperms was discovered by 

Last Answer : Double fertilization in Angiosperms was discovered by – Nawaschin

In Angiosperms, during pollination, the pollen grains are mostly

Description : In Angiosperms, during pollination, the pollen grains are mostly

Last Answer : In Angiosperms, during pollination, the pollen grains are mostly – Bicellular

The most common type of embryosac in Angiosperms is

Description : The most common type of embryosac in Angiosperms is

Last Answer : The most common type of embryosac in Angiosperms is – Polygonum type

The porous wood of angiosperms is called as

Description : The porous wood of angiosperms is called as

Last Answer : The porous wood of angiosperms is called as – Hard wood 

Pollen grains of angiosperms are

Description : Pollen grains of angiosperms are

Last Answer : Pollen grains of angiosperms are – Partially developed male gametophyte

Male gametophyte in angiosperms consists of

Description : Male gametophyte in angiosperms consists of

Last Answer : Male gametophyte in angiosperms consists of – Pollen grains, pollen tube, tube nucleus and two male nuclei.

The Apical shoot meristem of Angiosperms consists of

Description : The Apical shoot meristem of Angiosperms consists of

Last Answer : The Apical shoot meristem of Angiosperms consists of – Tunica, Carpus and leaf primordium

Describe double fertilization in angiosperms.

Description : Describe double fertilization in angiosperms.

Last Answer : Ans: Occurrence of two types of fertilizations in the same embryosac is called as double fertilization. It was discovered by Nawaschin in Fritillaria and Lilium. It is a feature of angiosperms. ... . It was discovered by Nawaschin in Fritillaria and Lilium. PEN develops into endosperm. 

Name the sub-aerial stem modification seen in free floating aquatic plants. How does it help in vegetative propagation?

Description : Name the sub-aerial stem modification seen in free floating aquatic plants. How does it help in vegetative propagation? 

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In which of the following would you place the plants having vascular tissue lacking seeds? (a) Pteridophytes (b) Gymnosperms (c) Algae (d) Bryophytes

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Which of the following are mostly woody trees, always perennials and never herbs or annuals? (a) Angiosperms (b) Gymnosperms (c) Pteridophytes (d) Bryophytes

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The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)

Description : The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)

Last Answer : C. Angiosperms (Answer)

Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.

Description : Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.

Last Answer : (a) angiosperms

Pollination occurs in (a) bryophytes and angiosperms (b) pteridophytes and angiosperms (c) angiosperms and gymnosperms (d) angiosperms and fungi.

Description : Pollination occurs in (a) bryophytes and angiosperms (b) pteridophytes and angiosperms (c) angiosperms and gymnosperms (d) angiosperms and fungi.

Last Answer : (c) angiosperms and gymnosperm

What is the name of the reproductive organ ?

Description : What is the name of the reproductive organ ?

Last Answer : Stolon is the name of the reproductive organ.

Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction

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Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix

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Last Answer : Ans. ((c))

Bryophytes are amphibians because (a) they require a layer of water for carrying out sexual reproduction (b) they occur in damp places (c) they are mostly aquatic (d) all the above.

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Last Answer : (a) they require a layer of water for carrying out sexual reproduction

Delicious chilgoza seeds, commercially important products such as turpentine and resin and the drug ephedrine, useful in asthma and other respiratory ailments, are all obtained from plants that are (a) Ferns (b) Algae (c) Monocotyledons and dicotyledons (d) Gymnosperms

Description : Delicious chilgoza seeds, commercially important products such as turpentine and resin and the drug ephedrine, useful in asthma and other respiratory ailments, are all obtained from plants that are (a) Ferns (b) Algae (c) Monocotyledons and dicotyledons (d) Gymnosperms

Last Answer : Ans:(d)

The non-green heterotrophic plants of plant kingdom are - (1) mosses (2) ferns (3) algae (4) fungi

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Which of the following represent maximum number of species among global biodiversity? (a) Fungi (b) Mosses and Ferns (c) Algae (d) Lichens

Description : Which of the following represent maximum number of species among global biodiversity? (a) Fungi (b) Mosses and Ferns (c) Algae (d) Lichens

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Syngamy can occur outside the body of the organism in (a) mosses (b) algae (c) ferns (d) fungi.

Description : Syngamy can occur outside the body of the organism in (a) mosses (b) algae (c) ferns (d) fungi.

Last Answer : (b) algae

The non-green heterotrophic plants of plant kingdom are (1) mosses (2) ferns (3) algae (4) fungi

Description : The non-green heterotrophic plants of plant kingdom are (1) mosses (2) ferns (3) algae (4) fungi

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$ Circinate ptyxis is found in Angiosperms. ! The male reproductive organs of Angiosperms are called antheridia.

Description : $ Circinate ptyxis is found in Angiosperms. ! The male reproductive organs of Angiosperms are called antheridia.

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$ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.

Description : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.

Last Answer : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also ... wrong D. If both As and R are wrong.

Various types of asexual spores found in algae? -Biology

Description : Various types of asexual spores found in algae? -Biology

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Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?

Description : Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?

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What kind of plant is algae ?

Description : What kind of plant is algae ?

Last Answer : Algae is an autotrophic plant.

Thermal algae can live in: (a) Saline soil (b) Hot water streams of 70°C (C) Deserts (d) Snow balls

Description : Thermal algae can live in: (a) Saline soil (b) Hot water streams of 70°C (C) Deserts (d) Snow balls

Last Answer : Ans. ((b))

Golgi apparatus is absent in (a) Higher plants (b) Yeast (c) Bacteria and blue-green algae (d) Liver cells

Description : Golgi apparatus is absent in (a) Higher plants (b) Yeast (c) Bacteria and blue-green algae (d) Liver cells

Last Answer : Ans. ((c))

The pioneers of succession on terrestrial habitats are a. Higher plants b. Lichens c. Mosses d. Algae

Description : The pioneers of succession on terrestrial habitats are a. Higher plants b. Lichens c. Mosses d. Algae

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Water blooms are formed by a) Lemna b) Hydrilla c) Water hyacinth d) Planktonic algae.

Description : Water blooms are formed by a) Lemna b) Hydrilla c) Water hyacinth d) Planktonic algae.

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Green house effect is related to a) Increased growth of green algae b) Global warming c) Cultivation of vegetables in house

Description : Green house effect is related to a) Increased growth of green algae b) Global warming c) Cultivation of vegetables in house

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Similarities between the bryophytes and the algae? -Biology

Description : Similarities between the bryophytes and the algae? -Biology

Last Answer : answer:

Difference between bryophytes and algae. -Biology

Description : Difference between bryophytes and algae. -Biology

Last Answer : answer:

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Description : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Last Answer : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. ... , fungi,algae and bryophytes is haploid.

Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it? (a) Algae and bacteria (b) Algae and fungi (c) Algae and bryophytes (d) Fungi and bryophytes

Description : Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it? (a) Algae and bacteria (b) Algae and fungi (c) Algae and bryophytes (d) Fungi and bryophytes

Last Answer : Ans:(b)

Chlorophyll containing autotrophic thallophytes is called as – (1) Algae (2) Lichens (3) Fung (4) Bryophytes

Description : Chlorophyll containing autotrophic thallophytes is called as – (1) Algae (2) Lichens (3) Fung (4) Bryophytes

Last Answer : (1) Algae Explanation: Algae are chlorophyll (green pigment) containing thallophytes. They prepare their own food and are thus autotrophic in their mode of nutrition.