Biology questions
20584 published questions with worked solutions.
- When a plant produces two kind of spores, the condition is known as
- In pteridophytes spore germinate to give rise to
- Which of the following can be regarded as seedless vascular plants?
- Sporophytic generation is dominant phase in the life cycle of
- Consider the following statement regarding heterospory. I. Genera like Selaginella and Salvinia which produce two kinds of...
- Horse tails and ferns belongs to
- Select the correct sequential arrangement of reproductive structures for pteridophytes.
- Which of the following pteridophytes belong to class-Pteropsida?
- The leaves in pteridophytes are small as in
- In pteridophytes, gametophytes require …A… to grow.
- In case of heterosporous pteridophyte the gametophyte is
- Sporophyte of fern produces
- Read carefully the following statement about the sexual reproduction in fern. I. Water is essential for fertilisation II. Male...
- Pteridophytes mostly occur in
- In some pteridophytes, sporophyll form distinct compact structures called …A… in …B… and …C…. Here A, B and C refers to
- In pteridophyte, the sporophytes consist of leaf-like appendages called
- Pteridophytes are also known as
- The main plant body in pteridophyte is
- Match the following columns. Column-I: (A) Psilopsida (B) Lycopsida (C) Sphenopsida (D) Pteropsida Column-II: (1) Dryopteris,...
- Read carefully the following statements about pteridophytes. I. They are called vascular cryptogams II. They produce spores...