Biology questions
20584 published questions with worked solutions.
- Heterospory is the production of
- Prothallus of the fern produces
- A fern differs from a moss in having
- The first plants to appear after a forest fire are the ferns, this is because of the survival of their
- Which of the following pteridophytes belong to class-Pteropsida?
- Meiosis in Dryopteris takes place during
- Mosses and ferns are found in moist and shady places because both
- The kidney-shaped covering of sorus in Dryopteris, is called
- Dryopteris differs from Funaria in having
- Sperm of Cycas is
- Cycas seed is
- Resin duct of gymnospermous stem is an example of
- Number of archegonia in Cycas is
- Which of the following is/are grouped under phanerogams?
- Consider the following statements regarding gymnosperms and choose the correct option. I. In gymnosperms, the male and female...
- Which of the following is correct for Cycas reproduction?
- In Cycas
- In Pinus, the third tier of embryonal cells formed below is known as
- A gymnospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm is
- Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with...