Biology questions
20584 published questions with worked solutions.
- Consider the following statements and choose the correct option. I. The thread like cytoplasmic strands, running from one cell to...
- Casparian thickenings are found in the cells of
- Which of the following cells is an epidermal cell containing chloroplast?
- Damaged sieve tubes are sealed by deposition of
- Vessels differ from tracheids
- The chief water conducting elements of xylem in gymnosperms are
- Meristematic cells have
- Which of the following is not a part of epidermal tissue system?
- Which of the following would NOT be in significant amount in xylem sap?Not in NEET syllabus
- In which of the following organs, growth is sub-apical?
- **Statement 1:** Long distance flow of photo-assimilates in plants occurs through sieve tubes. **Statement 2:** Mature sieve...
- All the following statements regarding sieve tube elements are true except
- The vascular bundle, where the phloem is surrounded by xylem is known as
- Casparian strips are present in the ......... of the root.
- Which type of vascular bundles are found in monocot stem?
- Vascular cambium of stem is
- In a vascular bundle, if xylem vessels develop in a centripetal fashion, the xylem is likely to be
- Vascular bundles in monocotyledons are considered closed because
- Match the following columns and choose the correct option. Column-I: (A) Radial vascular bundle, (B) Collateral vascular bundle,...
- In the leaf, vascular bundles are found in the