Biology questions
20584 published questions with worked solutions.
- Algal zone is present in
- Which of the following gymnosperms is a bushy trailing shrub?
- Pinus belongs to the class
- In gymnosperms, the pollen chamber represents
- Cleavage polyembryony occurs in
- Vasculature is poorly developed, pith has mucilage canals, parenchyma and medullary rays are abundant in
- Pollen grains in Pinus are
- The number of prothallial cells in male gametophyte of Pinus is
- Match the following columns and select the correct option. Column-I: (A) Apophysis (B) Columella (C) Columella (D) Apophysis...
- In Cycas stem, open vascular bundle is characterized by
- Female cone of Pinus is a
- What is the ratio of equational division that takes place in Cycas and angiosperms respectively during the formation of male...
- Megasporophyll of Cycas is equivalent to
- Which of the following is not the feature of gymnosperms?
- Gymnosperms are naked seeded plants because
- In Pinus, male cone bears a large number of
- Endosperm of gymnosperm is
- Match the following columns and select the correct option. Column-I: (A) Pteris - Spermatozoids (B) Cycas - Male gametes (C)...
- Which one of the following classes is included under gymnosperms?
- Characters of both conifers and cycads are found in