Tag: pictorial feature of plant kingdom

Questions Related to pictorial feature of plant kingdom

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

Moss sporophyte does not possess

  1. Elaters

  2. Seta

  3. Foot

  4. Columella

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sporophyte of a typical moss (such as Funaria) consists of a foot, seta, and capsule containing a central sterile columella, but it completely lacks elaters. Elaters are specialized, hygroscopic cells found in the sporophytes of some liverworts (like Marchantia) that aid in spore dispersal.

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

A bryophyte which harbours a nitrogen fixing blue green alga in its thallus is

  1. Riccia

  2. Anthoceros

  3. Marchantia

  4. Pogonatum

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Anthoceros, a hornwort, contains mucilage cavities in its thallus that are colonized by the nitrogen-fixing cyanobacterium Nostoc. This forms a symbiotic relationship that assists the plant with nitrogen nutrition.

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

Which one has good capacity of absorbing water, used in place of cotton and as a fuel?

  1. Marchantia

  2. Riccia

  3. Sphagnum

  4. Funaria

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sphagnum, commonly known as peat moss, has remarkable water-holding capacity due to its large, dead hyaline cells. It is widely used as a packing material for shipping live plants, as a cotton substitute, and as a fuel source when dried.

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

Match the columns.

  Column I    Column II
$a$ Anthoceros $1$ Walking fern
$b$ Adianium $2$ Alga
$c$ Sargassum $3$ Inferae
$d$ Prothallus $4$ Gametophyte
$e$ Asterales $5$ Hornwort
$6$ Liverwort
  1. $a - 6, b - 5, c - 1, d - 3, e - 4$
  2. $a - 5, b - 4, c - 3, d - 2, e - 1$
  3. $a - 5, b - 1, c - 2, d - 4, e - 3$
  4. $a - 3, b - 2, c - 1, d - 5, e - 4$
  5. $a - 1, b - 4, c - 1, d - 2$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Anthoceros is a hornwort, Adiantum is known as the walking fern, Sargassum is a brown alga, the prothallus is the gametophyte of pteridophytes, and Asterales belongs to the group Inferae. This matches the combination in option C.

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

Choose the wrong pair.

  1. Hepaticopsida - Marchantia

  2. Lycopsida - Selaginella

  3. Bryopsida - Anthoceros

  4. Pteropsida - Dryopteris

  5. Sphenopsida - Equisetum

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Anthoceros belongs to the class Anthocerotopsida (hornworts), not Bryopsida (which contains true mosses like Funaria and Sphagnum). Therefore, Bryopsida - Anthoceros is the incorrect pair.

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

Plant body is gametophytic and bears haploid gametes in

  1. Riccia

  2. Lycopodium

  3. Equisetum

  4. Pinus

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Riccia is a bryophyte, a group in which the dominant, independent phase of the life cycle is the gametophyte, which produces haploid gametes. In Lycopodium, Equisetum, and Pinus, the dominant plant body is the sporophyte.