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Phycology, Mycology, Bryophytes & Pteridophytes (Botany & Plant Sciences) Solved Questions & Notes (2026) - Apex Rankers

Natural & Physical Sciences > Botany & Plant Sciences > Phycology, Mycology, Bryophytes & Pteridophytes

100 Total Questions
~150 mins Read Time
1 Subject Areas
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Q. 1 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Bryophytes (Mosses, Liverworts) are non-vascular plants where the dominant life cycle phase is:
A
Free-living haploid Gametophyte
✓ Correct
B
Pollen
C
Seed
D
Diploid sporophyte
💡 Step-by-Step Explanation & Concept Rationale
The leafy gametophyte is dominant, while the dependent diploid sporophyte produces spores.
Q. 2 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Pteridophytes (Ferns) are seedless vascular plants that disperse via:
A
Flowers
B
Cones
C
True seeds
D
Spores produced in sporangia grouped in sori on the underside of fronds
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Ferns possess vascular xylem/phloem but reproduce via flagellated antherozoids and spores.
Q. 3 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Gymnosperms (Pinus, Cedrus) are distinct from angiosperms because they produce:
A
Naked seeds not enclosed within an ovary (fruit wall)
✓ Correct
B
Enclosed seeds in berries
C
Flowers with sepals
D
No seeds at all
💡 Step-by-Step Explanation & Concept Rationale
Ovules develop exposed on megasporophyll scales forming female seed cones.
Q. 4 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Agar-agar, a solidifying agent used in microbiology culture media, is extracted from:
A
Brown kelp
B
Green algae
C
Blue-green algae
D
Red algae (Rhodophyta, e.g. Gelidium and Gracilaria)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Sulfated galactan polysaccharides in red algal cell walls form thermally reversible gels.
Q. 5 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Fungi differ fundamentally from plants because their cell walls are composed of:
A
Lignin only
B
Cellulose
C
Chitin (polymer of N-acetylglucosamine)
✓ Correct
D
Peptidoglycan
💡 Step-by-Step Explanation & Concept Rationale
Fungi are heterotrophic eukaryotic absorptive organisms possessing chitinous cell walls.
Q. 6 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: Bryophytes (Mosses, Liverworts) are non-vascular plants where the dominant life cycle phase is:
A
Diploid sporophyte
B
Pollen
C
Seed
D
Free-living haploid Gametophyte
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
The leafy gametophyte is dominant, while the dependent diploid sporophyte produces spores.
Q. 7 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: Pteridophytes (Ferns) are seedless vascular plants that disperse via:
A
Flowers
B
Spores produced in sporangia grouped in sori on the underside of fronds
✓ Correct
C
True seeds
D
Cones
💡 Step-by-Step Explanation & Concept Rationale
Ferns possess vascular xylem/phloem but reproduce via flagellated antherozoids and spores.
Q. 8 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: Gymnosperms (Pinus, Cedrus) are distinct from angiosperms because they produce:
A
No seeds at all
B
Enclosed seeds in berries
C
Flowers with sepals
D
Naked seeds not enclosed within an ovary (fruit wall)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Ovules develop exposed on megasporophyll scales forming female seed cones.
Q. 9 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: Agar-agar, a solidifying agent used in microbiology culture media, is extracted from:
A
Red algae (Rhodophyta, e.g. Gelidium and Gracilaria)
✓ Correct
B
Brown kelp
C
Blue-green algae
D
Green algae
💡 Step-by-Step Explanation & Concept Rationale
Sulfated galactan polysaccharides in red algal cell walls form thermally reversible gels.
Q. 10 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: Fungi differ fundamentally from plants because their cell walls are composed of:
A
Cellulose
B
Lignin only
C
Chitin (polymer of N-acetylglucosamine)
✓ Correct
D
Peptidoglycan
💡 Step-by-Step Explanation & Concept Rationale
Fungi are heterotrophic eukaryotic absorptive organisms possessing chitinous cell walls.
Q. 11 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: Bryophytes (Mosses, Liverworts) are non-vascular plants where the dominant life cycle phase is:
A
Pollen
B
Diploid sporophyte
C
Free-living haploid Gametophyte
✓ Correct
D
Seed
💡 Step-by-Step Explanation & Concept Rationale
The leafy gametophyte is dominant, while the dependent diploid sporophyte produces spores.
Q. 12 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: Pteridophytes (Ferns) are seedless vascular plants that disperse via:
A
Cones
B
True seeds
C
Spores produced in sporangia grouped in sori on the underside of fronds
✓ Correct
D
Flowers
💡 Step-by-Step Explanation & Concept Rationale
Ferns possess vascular xylem/phloem but reproduce via flagellated antherozoids and spores.
Q. 13 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: Gymnosperms (Pinus, Cedrus) are distinct from angiosperms because they produce:
A
Naked seeds not enclosed within an ovary (fruit wall)
✓ Correct
B
Flowers with sepals
C
Enclosed seeds in berries
D
No seeds at all
💡 Step-by-Step Explanation & Concept Rationale
Ovules develop exposed on megasporophyll scales forming female seed cones.
Q. 14 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: Agar-agar, a solidifying agent used in microbiology culture media, is extracted from:
A
Red algae (Rhodophyta, e.g. Gelidium and Gracilaria)
✓ Correct
B
Green algae
C
Blue-green algae
D
Brown kelp
💡 Step-by-Step Explanation & Concept Rationale
Sulfated galactan polysaccharides in red algal cell walls form thermally reversible gels.
Q. 15 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: Fungi differ fundamentally from plants because their cell walls are composed of:
A
Peptidoglycan
B
Cellulose
C
Chitin (polymer of N-acetylglucosamine)
✓ Correct
D
Lignin only
💡 Step-by-Step Explanation & Concept Rationale
Fungi are heterotrophic eukaryotic absorptive organisms possessing chitinous cell walls.
Q. 16 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: Bryophytes (Mosses, Liverworts) are non-vascular plants where the dominant life cycle phase is:
A
Pollen
B
Diploid sporophyte
C
Free-living haploid Gametophyte
✓ Correct
D
Seed
💡 Step-by-Step Explanation & Concept Rationale
The leafy gametophyte is dominant, while the dependent diploid sporophyte produces spores.
Q. 17 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: Pteridophytes (Ferns) are seedless vascular plants that disperse via:
A
Cones
B
Flowers
C
Spores produced in sporangia grouped in sori on the underside of fronds
✓ Correct
D
True seeds
💡 Step-by-Step Explanation & Concept Rationale
Ferns possess vascular xylem/phloem but reproduce via flagellated antherozoids and spores.
Q. 18 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: Gymnosperms (Pinus, Cedrus) are distinct from angiosperms because they produce:
A
Naked seeds not enclosed within an ovary (fruit wall)
✓ Correct
B
Enclosed seeds in berries
C
Flowers with sepals
D
No seeds at all
💡 Step-by-Step Explanation & Concept Rationale
Ovules develop exposed on megasporophyll scales forming female seed cones.
Q. 19 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: Agar-agar, a solidifying agent used in microbiology culture media, is extracted from:
A
Brown kelp
B
Green algae
C
Blue-green algae
D
Red algae (Rhodophyta, e.g. Gelidium and Gracilaria)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Sulfated galactan polysaccharides in red algal cell walls form thermally reversible gels.
Q. 20 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: Fungi differ fundamentally from plants because their cell walls are composed of:
A
Chitin (polymer of N-acetylglucosamine)
✓ Correct
B
Cellulose
C
Peptidoglycan
D
Lignin only
💡 Step-by-Step Explanation & Concept Rationale
Fungi are heterotrophic eukaryotic absorptive organisms possessing chitinous cell walls.
Q. 21 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: Bryophytes (Mosses, Liverworts) are non-vascular plants where the dominant life cycle phase is:
A
Pollen
B
Free-living haploid Gametophyte
✓ Correct
C
Diploid sporophyte
D
Seed
💡 Step-by-Step Explanation & Concept Rationale
The leafy gametophyte is dominant, while the dependent diploid sporophyte produces spores.
Q. 22 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: Pteridophytes (Ferns) are seedless vascular plants that disperse via:
A
True seeds
B
Cones
C
Flowers
D
Spores produced in sporangia grouped in sori on the underside of fronds
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Ferns possess vascular xylem/phloem but reproduce via flagellated antherozoids and spores.
Q. 23 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: Gymnosperms (Pinus, Cedrus) are distinct from angiosperms because they produce:
A
Naked seeds not enclosed within an ovary (fruit wall)
✓ Correct
B
Flowers with sepals
C
Enclosed seeds in berries
D
No seeds at all
💡 Step-by-Step Explanation & Concept Rationale
Ovules develop exposed on megasporophyll scales forming female seed cones.
Q. 24 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: Agar-agar, a solidifying agent used in microbiology culture media, is extracted from:
A
Red algae (Rhodophyta, e.g. Gelidium and Gracilaria)
✓ Correct
B
Blue-green algae
C
Brown kelp
D
Green algae
💡 Step-by-Step Explanation & Concept Rationale
Sulfated galactan polysaccharides in red algal cell walls form thermally reversible gels.
Q. 25 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: Fungi differ fundamentally from plants because their cell walls are composed of:
A
Lignin only
B
Chitin (polymer of N-acetylglucosamine)
✓ Correct
C
Cellulose
D
Peptidoglycan
💡 Step-by-Step Explanation & Concept Rationale
Fungi are heterotrophic eukaryotic absorptive organisms possessing chitinous cell walls.
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