Write ecological importance of Bryophytes.

Write ecological importance of Bryophytes.
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Write ecological importance of Bryophytes.
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$ Sperm in Bryophytes are flagellated. ! Sperms in bryophytes move to the mature and dehisced archegonia, under the effect of chemicals.

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$ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes.

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Bryophytes are the amphibians of the plant kingdom. Justify

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Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.

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1. Name the two groups of Bryophytes.

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Is a rose bush Bryophytes?

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Last Answer : No. Bryophytes include liverworts, hornworts, and moss.

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

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

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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))

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

Description : 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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Our major foods, fibres, spices, fruits and beverage crops are (a) Flowering plants (b) Gymnospermous plants (c) Pteridophytes (d) Bryophytes

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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

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Bryophytes are often called as amphibian plant because they : (1) appear like frog (2) are found both in water and on land (3) do not have habitat preference (4) can eat insects

Description : Bryophytes are often called as amphibian plant because they : (1) appear like frog (2) are found both in water and on land (3) do not have habitat preference (4) can eat insects

Last Answer : (2) are found both in water and on land Explanation: Bryophytes are simple low growing plants, anchored to the ground or to tree bark by tiny filamentous rhizoids.

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.

Which one of the following is an indicator of air pollution? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens

Description : Which one of the following is an indicator of air pollution? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens

Last Answer : (4) Lichens Explanation: Lichens are an indicator of air pollution.

The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.

Name the two generations in the life cycle of bryophytes.

Description : Name the two generations in the life cycle of bryophytes.

Last Answer : The life cycle of bryophytes include two generations Gametophyte and Sporophyte.

Name the two groups of bryophytes and give one example for each group.

Description : Name the two groups of bryophytes and give one example for each group.

Last Answer : Bryophytes are divided into two groups: a) Liverworts Ex: Riccia, Marchantia b) Mosses Ex: Polytrichum, funaria

Give reason: Bryophytes are referred to as amphibians of plant kingdom.

Description : Give reason: Bryophytes are referred to as amphibians of plant kingdom.

Last Answer : Bryophytes are plants that are found both on moist land and in water. They need water for completing the life cycle. Hence they are referred to as amphibians of plant kingdom

Mention the characteristics of bryophytes.

Description : Mention the characteristics of bryophytes.

Last Answer : a) Bryophytes are autotrophic organisms. b) They are called amphibians of plant kingdom. c) They have green pigment chlorophyll. d) They have a plant body called thallus. e) They have ... - gametophytes and sporophytes. h) They reproduce sexually. Ex: Riccia, Marchantia, polytrichum, funaria.

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)