Tag: bryophyta

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

Mosses and ferns are

  1. Thallopohytes of plant kingdom

  2. Angiosperms of plant kingdom

  3. Gymnosperms of plant kingdom

  4. Amphibians of plant kingdom
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mosses (bryophytes) are traditionally called the amphibians of the plant kingdom because they live on land but require water for sexual reproduction. While ferns are pteridophytes, this description is the best fit among the options.

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

Read (i) to (v) and answer question which follows : (i) In liverworts, mosses and ferns, gametophytes are free living (ii) Gymnosperms and some ferns are heterosporous (iii) Sexual reproduction in Fucus, Volvox and Albugo is oogamous (iv) The sporophyte in liverworts is more elaborate than in mosses (v) Both Pinus and Marchantia are dioecious. How many statement are correct?

  1. Four

  2. One

  3. Two

  4. Three
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statements (i), (ii), and (iii) are correct. Statement (iv) is incorrect because the sporophyte in mosses is more elaborate than in liverworts. Statement (v) is incorrect because Pinus is monoecious, while Marchantia is dioecious.

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

Match the columns and choose the correct combination.

     $I$       $II$
$(a)$ Algae $(p)$ Gymnosperms
$(b)$ Riccia $(q)$ Pond scum
$(c)$ Spirogyra $(r)$ Autotrophic
$(d)$ Gnetum $(s)$ Liverwort
  1. $a - r, b -s , c - q, d - p$
  2. $a - p, b - s, c - q, d - r$
  3. $a - s, b - p, c - r, d - q$
  4. $a - r, b - q, c - s, d - p$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Algae are autotrophic (a-r), Riccia is a liverwort (b-s), Spirogyra is commonly known as pond scum (c-q), and Gnetum is a gymnosperm (d-p). This corresponds to option A.

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

Consider the following four statements and select the two wrong ones.
(a) Sporophyte of liverworts is more elaborate than that of mosses
(b) Salvinia is heterosporous
(c) Life cycle of all seed plants is diplobiontic
(d) In Pinus, male and female cones are borne on different trees

  1. $a$ and $c$
  2. $a$ and $d$
  3. $b$ and $c$
  4. $a$ and $b$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement (a) is incorrect because the sporophyte of mosses is more elaborate than that of liverworts. Statement (d) is incorrect because Pinus is monoecious, meaning male and female cones are borne on the same tree.

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

Which is true about mosses?

  1. Dominant and independent sporophyte

  2. Archegonia produce many eggs

  3. Antherozoids require water for fertilization

  4. Antherozoids are multiflagellate
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mosses require water for fertilization so that the biflagellate antherozoids can swim to the archegonium to fertilize the single egg. Their sporophyte is dependent on the gametophyte, and archegonia produce only a single egg.

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

Which one of the following is a fat-soluble vitamin and its related deficiency disease ?

  1. Calciferol Pellagra

  2. Ascorbic acid Scurvy

  3. Retinol Xerophthalmia

  4. Cobalamine Beri-beri
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Retinol (Vitamin A) is a fat-soluble vitamin, and its deficiency causes xerophthalmia. Calciferol (Vitamin D) deficiency causes rickets, while ascorbic acid and cobalamine are water-soluble vitamins.

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

Peat moss is 

  1. Sphagnum

  2. Funaria

  3. Riccia

  4. Marchantia
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sphagnum is the scientific name of peat moss. It is a moss. It is also called as bog moss. It has high pH. Hence, it is used for plants growing in acidic condition, such as blueberries. It helps in moisture absorption from the soil.

Thus, the correct answer is option A.