Plant kingdom
### *1. Which of the following is a characteristic feature of algae?*
a) Presence of vascular tissue
b) Presence of chlorophyll-a
c) Presence of roots, stems, and leaves
d) Presence of flowers
*Answer:* b) Presence of chlorophyll-a
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### *2. Which group of algae is primarily marine and forms kelps?*
a) Chlorophyceae
b) Phaeophyceae
c) Rhodophyceae
d) Cyanophyceae
*Answer:* b) Phaeophyceae
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### *3. The cell wall of green algae is composed of:*
a) Cellulose and pectin
b) Chitin
c) Silica
d) Suberin
*Answer:* a) Cellulose and pectin
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### *4. Which of the following is a unicellular alga?*
a) Volvox
b) Chlamydomonas
c) Spirogyra
d) Ulothrix
*Answer:* b) Chlamydomonas
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### *5. Bryophytes are called amphibians of the plant kingdom because:*
a) They can live in water and on land
b) They require water for fertilization
c) They have vascular tissues
d) They produce seeds
*Answer:* b) They require water for fertilization
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### *6. The dominant phase in the life cycle of a bryophyte is:*
a) Sporophyte
b) Gametophyte
c) Zygote
d) Spore
*Answer:* b) Gametophyte
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### *7. Which of the following is a liverwort?*
a) Funaria
b) Marchantia
c) Sphagnum
d) Polytrichum
*Answer:* b) Marchantia
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### *8. In pteridophytes, the dominant phase is:*
a) Gametophyte
b) Sporophyte
c) Zygote
d) Spore
*Answer:* b) Sporophyte
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### *9. Which of the following is a heterosporous pteridophyte?*
a) Selaginella
b) Equisetum
c) Lycopodium
d) Pteris
*Answer:* a) Selaginella
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### *10. The xylem in gymnosperms lacks:*
a) Tracheids
b) Vessels
c) Parenchyma
d) Fibers
*Answer:* b) Vessels
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### *11. Which of the following is a gymnosperm?*
a) Cycas
b) Pinus
c) Both a and b
d) None of the above
*Answer:* c) Both a and b
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### *12. The male gametophyte in angiosperms is represented by:*
a) Pollen grain
b) Embryo sac
c) Zygote
d) Seed
*Answer:* a) Pollen grain
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### *13. Double fertilization is a characteristic feature of:*
a) Gymnosperms
b) Angiosperms
c) Pteridophytes
d) Bryophytes
*Answer:* b) Angiosperms
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### *14. The endosperm in angiosperms is:*
a) Haploid
b) Diploid
c) Triploid
d) Tetraploid
*Answer:* c) Triploid
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### *15. Which of the following is a parasitic angiosperm?*
a) Cuscuta
b) Rafflesia
c) Both a and b
d) None of the above
*Answer:* c) Both a and b
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### *16. The female gametophyte in angiosperms is represented by:*
a) Pollen grain
b) Embryo sac
c) Zygote
d) Seed
*Answer:* b) Embryo sac
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### *17. Which of the following is a characteristic feature of gymnosperms?*
a) Presence of flowers
b) Presence of fruits
c) Naked seeds
d) Double fertilization
*Answer:* c) Naked seeds
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### *18. The plant group that produces the largest flower is:*
a) Gymnosperms
b) Angiosperms
c) Pteridophytes
d) Bryophytes
*Answer:* b) Angiosperms
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### *19. Which of the following is a non-vascular plant?*
a) Fern
b) Moss
c) Pine
d) Rose
*Answer:* b) Moss
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### *20. The plant group that shows alternation of generations is:*
a) Algae
b) Bryophytes
c) Pteridophytes
d) All of the above
### *Answers:*
1. *b) Presence of chlorophyll-a*
2. *b) Phaeophyceae*
3. *a) Cellulose and pectin*
4. *b) Chlamydomonas*
5. *b) They require water for fertilization*
6. *b) Gametophyte*
7. *b) Marchantia*
8. *b) Sporophyte*
9. *a) Selaginella*
10. *b) Vessels*
11. *c) Both a and b*
12. *a) Pollen grain*
13. *b) Angiosperms*
14. *c) Triploid*
15. *c) Both a and b*
16. *b) Embryo sac*
17. *c) Naked seeds*
18. *b) Angiosperms*
19. *b) Moss*
20. *d) All of the above*
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