Plant Kingdom
Test 2

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following pteridophytes is heterosporous?

Selaginella
Equisetum
Lycopodium
Adiantum
1

Selaginella is a heterosporous pteridophyte, producing both megaspores and microspores.

Which classification system is based on the natural affinities of organisms and considers both external and internal features?

Artificial classification
Numerical taxonomy
Natural classification
Phylogenetic classification
3

The natural classification system considers natural affinities and includes both external and internal features such as anatomy and embryology.

In liverworts, which structure contains gemmae for asexual reproduction?

Capsule
Gemma cup
Antheridium
Protonema
2

In liverworts like Marchantia, gemmae are produced in gemma cups, which aid in asexual reproduction.

Which of the following statements about mosses is incorrect?

Sphagnum moss provides peat used as fuel.
Vegetative reproduction in mosses occurs by budding in the secondary protonema.
The sporophyte in mosses is less elaborate than in liverworts.
Mosses reduce soil erosion by forming dense mats.
3

The sporophyte in mosses is more elaborate than in liverworts, with a foot, seta, and capsule.

Which of the following statements about Chlorophyceae is correct?

Chlorophyceae have fucoxanthin as their dominant pigment.
Some Chlorophyceae store food in the form of oil droplets.
Chlorophyceae reproduce asexually only by fragmentation.
Their cell walls are made of algin and pectin.
2

Some Chlorophyceae store food as oil droplets in addition to starch in pyrenoids.

Which of the following statements about Rhodophyceae is correct?

Rhodophyceae have flagellated zoospores for asexual reproduction.
Agar, used in microbiology, is obtained from red algae like Gelidium.
Rhodophyceae store food as starch in pyrenoids.
Their dominant pigment is chlorophyll a alone.
2

Agar, a commercial product, is obtained from Rhodophyceae members like Gelidium and Gracilaria.

Which of the following statements about Rhodophyceae is correct?

Rhodophyceae have flagellated gametes for sexual reproduction.
Their cell wall contains pectin and polysulphate esters.
Rhodophyceae store food as laminarin and mannitol.
The dominant pigment in Rhodophyceae is chlorophyll c.
2

The cell wall of Rhodophyceae includes cellulose, pectin, and polysulphate esters.

Which group of plants is considered the "amphibians of the plant kingdom"?

Algae
Bryophytes
Pteridophytes
Gymnosperms
2

Bryophytes are called the amphibians of the plant kingdom because they require water for sexual reproduction.

Which of the following algae forms symbiotic associations with fungi in lichens?

Chlorella
Volvox
Ulothrix
Nostoc
1

Chlorella, a green alga, commonly forms a symbiotic association with fungi to form lichens.

Which bryophyte is commercially important for forming peat, a fuel source?

Marchantia
Funaria
Sphagnum
Riccia
3

Sphagnum, also known as peat moss, is commercially valuable for peat production, used as a fuel and soil conditioner.

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