Question
Distinguish between the following:
Open and closed vascular bundles.
Open and closed vascular bundles.
✓
Answer
Open Vascular Bundle | Closed Vascular Bundle |
Cambium present in between the phloem tissue. Intra fascicular cambium between the present. Occur in the stems of nd gymnosperms. May be al or bicultural. Xylem and not in direct contact with her due to cambial string. Intra fascicular cambium results in secondary growth. Cambial activity secondary phloem and secondary xylem that push primary phloem and primary xylem away from each other.  | Cambium is not present in between the xylem and phloem tissue. Intrafascicular cambium absent. Occur in leaves and monocot stems. May be collateral or concentric. Xylem and phloem are in direct contact due to back of cambial string. No such activity found. No such activity found. 
|
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Birds and mammals share one of the following characteristics as a common feature.
- Pigmented skin.
- Pneumatic bones.
- Viviparity.
- Warm blooded.
When does the secretion of Adrenocorticotropin take place in the body? What is the purpose of its secretion?
What is the special feature of Archaebacteria? How do these obtain food? How are they able to tolerate high temperature as well as acidity?
Which is the second largest Phylum in the Kingdom Animalia?
- Arthropoda.
- Echinodermata.
- Mollusca bogo.
- Mammalia.
Differentiate between cytotaxonomy and chemotaxonomy.
Animals like bats have/ are:
- Efficient respiration. Non-vascular air sacs are connected to lungs to supplement respiration.
- Endothermic.
- Feathers which are modified reptilian scales.
- Hollow skeleton.
When a substrate is being metabolised, why does not all the energy that is produced get released in one step? It is released in multiple steps. What is the advantage of stepwise release?
Bring out the drawbacks of the artificial systems of classification.
State the law proposed by Blackman for various factors operative for photosynthesis.
State the factors affecting the oxygen haemoglobin binding.