Importance of Bryophytes

Q. Botanical name of peat moss is:

1. Sphagnum - which is embryophyte
2. Funaria - which is spermatophyte
3. Sphagnum - which is tracheophyte
4. Polytrichum - which is spermatophyte

Q.

Seed-producing plants are called:

1. spermatophytes

2. pteridophytes

3. bryophytes

4. embryophytes

Q. Peat is obtained from

1. Riccia
2. Funaria
3. Sphagnum
4. Marchantia

Q.

Peat obtained from bryophytes is used as biofuel.

1. True
2. False

Q.

Give any two Sphagnum applications.

Q.

What is apogamy in Pteridophytes?

Q.

Is Azolla a heterosporous fern?

Q.

Peat is obtained from

1. Anthoceros

2. Dendroceros

3. Funaria

4. Sphagnum

Q. The sporophyte is completely dependent on gametophyte in ________.

1. Selaginella
2. Pinus
3. Riccia
4. Dryopteris

Q.

'Peat' is an important source of domestic fuel in several countries. How is 'peat' formed in nature?

Q.

What are the characteristics of pteridophytes?

Q. Find out the incorrect statement in the following.

1. Bryophytes in general are of little economic importance

2. Vegetative reproduction in mosses is by fragmentation and budding

3. Gemmae are green, unicellular, asexual bud

4. Mosses have elaborate mechanism of spore dispersal

Q. Botanical name of peat moss is:

1. Sphagnum - which is embryophyte
2. Funaria - which is spermatophyte
3. Sphagnum - which is tracheophyte
4. Polytrichum - which is spermatophyte

Q. Which of the following is not true for haplo-diplontic life cycle in bryophytes?

1. Both haploid and diploid phases are prominent
2. Gametophyte is photosynthetic and independent.
3. Sporophyte is dependent on the gametophyte for nutrition.
4. Spores are produced in the seta of the sporophyte

Q. Find out wrong statement regarding Cycas ?

Q. Peat Moss is used as a packing material for sending flowers and live plants to distant places because

1. it is hygroscopic
2. it reduces transpiration
3. it serves as a disinfectant
4. it is easily available

Q.

Which of the following gametophytes is not independent free living?

1. Pteris

2. Marchantia

3. Pinus

4. Funaria

Q. Peat, obtained from Sphagnum moss, is used as ______________.

1. Corrosive
2. Both (a) and (b)
3. Fuel
4. Manure

Q. Moss peat is used as a packing material for sending flowers and live plants to distant places because:

1. It serves as a disinfectant
2. It is easily available
3. It is hygroscopic
4. It reduces transpiration

Q. Select the incorrect about Equisetum.

1. Has vascular tissues
2. Homosporous
3. Has strobili or cones
4. Produce two types of spores

Q. Gemmae are the specialized structures produced in liverworts. These are ____________________.

1. non-green, multicellular, asexual buds which develop in gemma cups
2. green, multicellular asexual buds which develop in gemma cups
3. non-green, multicellular, diploid, sexual spores
4. green, unicellular, diploid, sexual spores

Q. Moss peat is used as a packing material for sending flowers and live plants to distant places because:

1. It serves as a disinfectant
2. It is easily available
3. It is hygroscopic
4. It reduces transpiration

Q. Peat is formed form____________.

1. Funaria
2. Sphagnum
3. Mosses
4. Liverworts

Q. Asexual reproduction in liverworts takes place by ____________________.

1. Gemmae formation and diploid spore formation
2. Spores formation and isogamy
3. Fragmentation of thalli and gemmae formation
4. Fragmentation and zoospore formation

Q. Bryophyta are ecologically important plants as they are

1. Best producer in nature
2. Pioneer in succession on barren lands
3. Decomposers
4. Nitrifying plants

Q. Read the given statements and select the correct option.
Statement 1 : Bryophytes are amphibians of plant kingdom.
Statement 2 : They live in soil but depend on water for sexual reproduction.

1. Both statements 1 and 2 are correct.
2. Statement 1 is correct but statement 2 is incorrect.
3. Statement 1 is incorrect but statement 2 is correct.
4. Both statements 1 and 2 are incorrect.

Q. Peat is used at a fuel in some countries. Remains of which plant give rise to peat?

1. Moss
2. Ferns
3. Angiosperms
4. Gymnosperms

Q. Moss peat is used as a packing material and for sending flowers and live plants to distant places because

1. It serve as a disinfectant.
2. It reduces transpiration.
3. It is hygroscopic.
4. It is easily available.

Q. Peat moss is obtained from

1. Marchantia
2. Funaria
3. Sphagnum
4. Polytrichum

Q.

describe the vegetative structure of bryophytes