Biology questions
20584 published questions with worked solutions.
- Which of the following plant kingdom group is called 'amphibians'?
- Monoecious plant of Chara shows occurrence of
- Life cycles of Ectocarpus and Fucus respectively are
- Bryophytes are dependent on water, because
- Pteridophytes differ from mosses/bryophytes in possessing
- In which of the following is the gametophyte not independent and free-living?
- The product of conjugation in Spirogyra or fertilisation in Chlamydomonas is
- Pteridophytes differ from bryophytes and thallophytes in having
- In which one of the following do male and female gametophytes not have free living independent existence?
- Angiosperms have dominated the land flora primarily because of their
- Isogamous condition with non-flagellated gametes is found in
- Protonema occurs in the life cycle of
- A student observed an algae with chlorophyll a,b and phycoerythrin, it should belong to
- Bryophytes can be separated from algae, because they
- A plant having seeds but lacking flowers and fruits belongs to
- In Pinus, the wings of the seed develop from
- Cycas has two cotyledons but is not included in angiosperms because of
- Largest sperms in the plant world are found in
- In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of
- Evolutionary important character of Selaginella is