Biology questions
20584 published questions with worked solutions.
- Statement 1: Lycopodium is heterosporous. Statement 2: Selaginella is homosporous.
- Pteridophytes differ from bryophytes in the
- Which statement is incorrect about Pinus?
- In gymnosperm the roots are generally
- The cones bearing megasporophyll with ovules are called
- In gymnosperms, during pollination pollen grains are released from the microsporangium and transferred to
- In gymnosperm dominant phase is
- In gymnosperm the microspores develop into a male gametophyte generation which
- The giant red wood tree (Sequoia) is a/an
- In gymnosperms, the nucellus is protected by envelops and this composite structure is known as
- In gymnosperms the dominate phase is …A…. They are heterosporous, produce …B… and …C…. Here, A, B and C refers to
- Roots in some gymnospermic genera have fungal association in the form of …A… in …B…. Here A and B refers to
- In gymnosperms one of the megaspores develops into multicellular structure called multicellular …… that bears two or more...
- In which of the following group would you place a plant, which produce seeds but lacks fruits?
- In gymnosperms the reduced gametophyte is called
- In gymnosperms, pollination takes place by
- In gymnosperms the development of grains take place with in the
- Cycads are
- In gymnosperm, the leaves are well-adapted to withstand extremes of temperature, humidity and wind. What are the xeric characters...
- Read carefully the following statements about angiospermic sexual fertilisation. I. Pollen tube carries the male gamete towards...