Tag: botany

Questions Related to botany

In mosses conducting tissue is _________.

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Phloem

  2. Parenchyma

  3. Xylem

  4. Coloured cells.

Show answer
Correct Option: B

Rhizoids in Riccia are

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Unicellular smooth-walled

  2. Unicellular tuberculate

  3. Both smooth-walled and tuberculate unicellular

  4. Multicelhllar smooth-walled and tuberculate

Show answer
Correct Option: C
Explanation:

The rhizoids are unicellular and unbranched. They anchor the thallus to the substratum and are usually of two types, smooth walled and tuberculated. Rhizoids are present in the mid-rib region of thallus.

Match the columns
Column-I                                            Column-II
A  Hornwort                             1        Lycopodium
B  Liverwort                             2        Ricciocarpus
C Stonewort                            3        Anthoceros
D Club moss                           4        Chara







botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. A B C D

    2 3 4 1

  2. 2 3 1 4

  3. 3 2 1 4

  4. 3 2 4 1

Show answer
Correct Option: D

Thallus of Riccia is

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Triploid

  2. Diploid

  3. Haploid

  4. Tetraploid

Show answer
Correct Option: C
Explanation:

The plant body  of Riccia is thallus. It is small, green flat and rather fleshy.  It is  gametophytic in nature and hence, haploid.

Plant body of Riccia is

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Sporophyte

  2. Gametophyte

  3. Aquatic

  4. None of the above

Show answer
Correct Option: B
Explanation:

Riccia plants are small. The plant body is a thallus that is not differentiated into root, stem and leaf. It is strap-shaped and about 0.5 to 4 mm wide and branches dichotomously (equally forked). It is gametophytic in nature.

In which of the following plants gametophytic phase is dominant?

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Fern

  2. Moss/Riccia

  3. Angiosperm

  4. Cycas

Show answer
Correct Option: B

Sphagnum is also called 'Poet Moss' because it

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Occurs in peat

  2. Grows in acidic marshes

  3. Decays to form peat

  4. Quickens fossilisation

Show answer
Correct Option: B

Antherozoids of moss are

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Short, curved and biflagellate

  2. Rod-shaped, biciliate

  3. Short and multiflagellate

  4. Long and multiciliate

Show answer
Correct Option: A

Instead of elaters, the sporogonium of Riccia contains

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Nurse cells

  2. Pseudoelaters

  3. Photosynthetic cells

  4. Columella

Show answer
Correct Option: A

Sex organs of Riccia are

botany pictorial feature of plant kingdom classification of bryophytes types of bryophytes bryophyta

  1. Projecting

  2. Embedded

  3. Occur in receptacles

  4. Borne laterally

Show answer
Correct Option: B