1. Which of the following is not a seed-bearing plant?
Answer:
Explanation:
Pteridophytes are vascular plants that reproduce via spores and not seeds.
2. Mosses and ferns belong to:
Answer:
Explanation:
Mosses are bryophytes, while ferns belong to pteridophytes.
3. Which plant group is characterized by a dominant sporophyte generation?
Answer:
Explanation:
In gymnosperms, the sporophyte generation is dominant and independent.
4. The process of fusion of two gametes which are dissimilar in size is called:
Answer:
Explanation:
Anisogamy refers to the fusion of two gametes that differ in size.
5. Which among these is a flowering plant?
Answer:
Explanation:
Sunflower is an angiosperm, which is a flowering plant.
6. Vascular bundles in dicots are usually:
Answer:
Explanation:
In dicots, vascular bundles are usually collateral and open.
7. Which among the following is an example of a gymnosperm?
Answer:
Explanation:
Cycas is a gymnosperm.
8. Which group of plants exhibit alternation of generations?
Answer:
Explanation:
All plant groups exhibit alternation of generations.
9. The female gametophyte in angiosperms is represented by:
Answer:
Explanation:
The female gametophyte in angiosperms is the embryo sac.
10. Which of the following is not a bryophyte?
Answer:
Explanation:
Dryopteris is a fern, which is a pteridophyte.
11. In which group of plants does the zygote develop directly into an embryo?
Answer:
Explanation:
In gymnosperms, the zygote directly develops into an embryo without forming a multicellular female gametophyte.
12. Vessels are absent in the xylem of:
Answer:
Explanation:
Vessels are absent in the xylem of gymnosperms.
13. Which of the following is an angiosperm with marine habitat?
Answer:
Explanation:
Eelgrass (Zostera) is an angiosperm that grows in marine habitats.
14. The seed in gymnosperms is:
Answer:
Explanation:
Gymnosperms produce naked seeds without a fruit covering.
15. A plant group that includes both aquatic and terrestrial species is:
Answer:
Explanation:
Algae include both aquatic and some terrestrial species.
16. Which of the following is a non-vascular plant?
Answer:
Explanation:
Mosses are bryophytes and are non-vascular plants.
17. The xylem in gymnosperms lacks:
Answer:
Explanation:
The xylem of gymnosperms lacks vessels.
18. The sporophyte in ferns is:
Answer:
Explanation:
In ferns, the sporophyte is independent and free-living.
19. The dominant phase in the life cycle of a moss is:
Answer:
Explanation:
In mosses, the gametophyte phase is dominant.
20. Which among the following is a cryptogam?
Answer:
Explanation:
Cryptogams include non-seed plants like mosses.