Tag: botany

Questions Related to botany

Marchantia is a bryophyte as it does not possess

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Vascular tissues

  2. Seeds

  3. Roots

  4. Independent sporophyte

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Correct Option: D

Structure protecting archegonia of Marchantia is

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Apophysis

  2. Perichaetium

  3. Periphysis

  4. None of the above

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Correct Option: B

Antherozoids of Marchantia are

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Short, curved and biflagellate

  2. Short, straight and multiflagellate

  3. Long, straight and biflagellate

  4. Long, curved and biflagellate

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Correct Option: A

Gemma for vegetative reproduction occurs in

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Funaria

  2. Fern

  3. Marchantia

  4. Riccia

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Correct Option: C
Explanation:

Gemmae also occur on the protonemal branches of some Funaria species.

So the correct option is C.

In which of the following elater mother cells and spore mother cells belong to the same generation?

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Marchantia

  2. Reboulia

  3. Riccardia

  4. Dryopteris

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Correct Option: A

Vegetative reproduction in Marchantia occurs through

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Apospory

  2. Gemma cup

  3. Budding

  4. Hormogonia

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Correct Option: B

Five rowed archegonial neck occurs in ____________.

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Marchantia

  2. Funaria

  3. Porella / Madotheca

  4. Riccia

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Correct Option: C
Explanation:

The answer is option C i.e. "Porella/ Madotheca"


Archegonia are the female reproductive part located on the surface of the plant thallus in bryophytes and pteridophytes.
  • In Porella/ Madotheca archegonial neck is long, comprises of five vertical rows of neck cells.
  • In Marchantia, the archegonial neck is arranged in 8 rows.
  • In Funaria, the archegonial neck is single-layered or rowed.
  • In Riccia, the archegonial neck consists of six vertical rows.

Plant body is thalloid in

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Salvinia

  2. Marchantia

  3. Funaria

  4. Sphagnum

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Correct Option: B
Explanation:

Plant body is thalloid in Marchantia. An organism or structure resembling a thallus is called Thalloid.

Archegoniophore occurs in

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. Adiantum

  2. Funaria

  3. Chara

  4. Marchantia

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Correct Option: D

Consider the folowing statements
Marchantia polymorpha
1. is dioecious
2. possesses antheriodophores and archegoniophores.
3. lacks foot and seta in its sporophyte
4. is heterosporous.
Which of these statements are corrct?

botany kingdom plantae uses of bryophytes introduction to bryophytes cryptogams

  1. 1 and 2

  2. 3 and 4

  3. 1 and 4

  4. 2 and 3

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Correct Option: A