Plant Tissue System
Plant Tissue System: Overview
This Topic covers sub-topics such as Xylem, Vessels, Parenchyma, Cuticle, Anatomy of Flowering Plants, Plant Tissue, Phloem, Cortex, Lenticels, Histology, Sclerenchyma, Collenchyma, Permanent Tissue, Apical Meristem, Pith, Trichomes and, Vascular Bundles
Important Questions on Plant Tissue System
Assertion: Water and mineral uptake by root hairs from the soil occurs through apoplast until it reaches endodermis.
Reason : Casparian strips in endodermis are suberized.
Cambium of root is an example of:
Lateral roots in higher plants arise from
Cork cambium is developed from
Two cross-sections of stem and root appear simple when viewed by the naked eye. But under a microscope, they can be differentiated by:
In the sieve elements, which one of the following is the most likely function of P-proteins?
Companion cells in plants are associated with:
The sugarcane plant has
In a dicotyledonous stem, the sequence of tissues from the outside to the inside is
Mesophyll is usually differentiated in
Passage cells are found in
Which of the following is enucleate at maturity?
Match the features of a plant cell listed in Column I with their corresponding example in Column II:
| Column I | Column II | ||
| i | Cell with cytoplasm and no nucleus | p | Pollen grain |
| ii | Cell lacking both cytoplasm and nucleus | q | Synergids |
| iii | Cell containing more than two nuclei | r | Tracheid |
| iv | Haploid cells produced by mitosis | s | Tapetum |
| t | Mature sieve tube | ||
| u | Phloem companion cell |
Given below are two statements:
Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement II: Exarch condition is the most common feature of the root system.
In the light of the above statements, choose the correct answer from the options given below:
Study the flow chart given below.
Which of the following statements is incorrect regarding this?
How many in the list given below are secondary meristem?
Intrafascicular cambium, Interfascicular cambium, Cork cambium, Apical meristem, Intercalary meristem.
What is correct about the secondary xylem?
