Plant Kingdom Chapter-Wise Test 7

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following statements about mosses is correct?

Mosses have true roots instead of rhizoids.
Some mosses provide peat used as fuel.
Mosses possess vascular tissues like xylem.
All mosses grow in dry, sunny areas.
2

Sphagnum, a moss, provides peat, which has been used as fuel due to its water-holding capacity.

Which of the following algae is commonly used as a food supplement for space travelers?

Spirogyra
Chlamydomonas
Chlorella
Fucus
3

Chlorella, a protein-rich unicellular alga, is used as a dietary supplement, including for space missions.

Which of the following is a unique feature of liverworts?

Gemma cups for asexual reproduction
Sporangia borne on strobili
Vascular tissues in stem
Cone formation
1

Liverworts reproduce asexually through gemmae, which develop inside gemma cups on the thallus.

Which pteridophyte is commonly known as "horsetail"?

Selaginella
Equisetum
Adiantum
Lycopodium
2

Equisetum is commonly known as "horsetail" due to its brush-like appearance.

Which pteridophyte forms strobili or cones?

Adiantum
Equisetum
Pteris
Dryopteris
2

Equisetum, a pteridophyte, forms distinct strobili or cones that bear sporangia.

Which term describes the fusion of two similar, non-flagellated gametes in algae?

Oogamy
Anisogamy
Isogamy
Parthenogenesis
3

Isogamy refers to the fusion of two morphologically similar but non-flagellated gametes, as seen in Spirogyra.

Which of the following statements about bryophytes is incorrect?

Bryophytes decompose rocks, aiding plant succession.
The sporophyte in bryophytes undergoes meiosis to produce spores.
Bryophytes have a thallus-like gametophyte attached by true roots.
Some mosses provide food for herbaceous mammals.
3

Bryophytes lack true roots; their gametophyte is attached by unicellular or multicellular rhizoids.

Which of the following statements about pteridophytes is incorrect?

Pteridophytes include horsetails like Equisetum.
Their sporophytes have well-differentiated vascular tissues.
Pteridophytes lack true stems and rely on rhizoids.
Examples include Dryopteris and Adiantum.
3

Pteridophytes have true stems, roots, and leaves with vascular tissues, not just rhizoids.

Which pigment is responsible for the red color in Rhodophyceae?

Chlorophyll a
Fucoxanthin
Phycoerythrin
Xanthophyll
3

Phycoerythrin is the red pigment responsible for the characteristic color of red algae (Rhodophyceae).

Which type of sexual reproduction involves the fusion of morphologically similar but physiologically different gametes?

Isogamy
Anisogamy
Oogamy
Hologamy
2

Anisogamy involves the fusion of gametes that are different in size or form but functionally similar.

Performance Summary

Score:

Category Details
Total Attempts:
Total Skipped:
Total Wrong Answers:
Total Correct Answers:
Time Taken:
Average Time Taken per Question:
Accuracy:
0