Advertisements
Advertisements
प्रश्न
Why the cells of sclerenchyma and tracheids become dead?
उत्तर
The cells of sclerenchyma and tracheids become dead because they lack protoplasm.
संबंधित प्रश्न
Which tissue makes up the husk of coconut?
How many types of elements together make up the xylem tissue? Name them.
How are simple tissues different from complex tissues in plants?
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
Name the tissue that transports food in plants.
Identify the type of tissue in the vascular bundle.
Complete the following chart:
What is the differences between collenchyma and sclerenchyma?
Explain how sieve tubes manage to be living?
What are different types of tissues in plants? Describe simple tissues.
What do you know about complex tissue? Classify and explain its different types in plants with suitable diagrams.
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
Give the structure and function of the following:
Crystal
The question has four answers. Choose the correct answer:
Collenchymatous hypodermis is found in
Choose the correct option.
Collenchyma is a type of ______ tissue.
Differentiate between Xylem and Phloem functioning
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Parenchyma | (i) | Thin walled, packing cells |
| (b) | Photosynthesis | (ii) | Carbon fixation |
| (c) | Aerenchyma | (iii) | Localized thickenings |
| (d) | Collenchyma | (iv) | Buoyancy |
| (e) | Permanent tissue | (v) | Sclerenchyma |
Match the followings and choose the correct option from below
| Column I | Column II |
| A. Meristem | i. Photosynthesis, storage |
| B. Parenchyma | ii. Mechanical support |
| C. Collenchyma | iii. Actively dividing cells |
| D. Sclerenchyma | iv. Stomata |
| E. Epidermal tissue | v. Sclereids |
In which of the following pairs of parts of a flowering plant is epidermis absent?
