Questions
Dermal tissues, ground tissues and vascular tissues are produced by
- intercalary meristem tissues
- apical meristem tissues
- parenchyma tissues
- collenchyma tissues
- sclerenchyma tissues
Which of the following statements is false regarding epidermal tissue of plants?
- It is made of elongated compact cells.
- Cuticle is present in stem and root.
- Stoma is found in this layer.
- Its cells bear hair.
- It is the outermost layer.
Which of the following meristems helps in increasing the girth of a plant?
- Lateral meristem
- Intercalary meristem
- Primary meristem
- Apical meristem
Why are sieve tubes suited for translocation of food?
- Because of bordered pits
- Because of no end walls
- Because of broader lumen and perforated cross walls
- Because of bordered pits and absence of protoplasm
Which of the following is the correct set of components of xylem tissue?
- Xylem fibres, sieve cells, sclerenchyma cells and tracheids
- Vessels, tracheids, xylem parenchyma and fibres
- Collenchyma cells, fibres, companion cells and vessels
- Tracheids, xylem collenchyma, xylem parenchyma and meristem
Which of the following tissues translocates food in plants?
- Xylem
- Phloem
- Collenchyma
- Sclerenchyma
Which of the following is a function of meristem?
- Absorption of water
- Absorption of minerals
- Translocation of food
- Growth of plants
Meristematic tissues are distinguished by which of the following features?
- They have power of cell division.
- They lack power of cell division.
- They are highly differentiated cells.
- They are lignified.
Which tissue provides buoyancy to aquatic plants?
- Parenchyma
- Chlorenchyma
- Aerenchyma
- Sclerenchyma
Which of the following xylem cells are mainly supportive in function?
- Parenchyma
- Tracheids
- Fibres
- Vessels
Match the following:
| 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 |
- A – i, B – iii, C – v, D – ii, E – iv
- A – iii, B – i, C – ii, D – v, E – iv
- A – ii, B – iv, C – v, D – i, E – iii
- A – v, B – iv, C – iii, D – ii, E – i
Which of the following is/are produced by intercalary meristem?
- Secondary growth
- Primary growth
- Apical growth
- Lateral branches
Chlorenchyma is a modification of
- parenchyma
- collenchyma
- sclerenchyma
- None of these
Which of the following statements is true for collenchyma?
- Cells of this tissue are dead.
- Cell wall of this tissue is made of lignin.
- It has little intercellular spaces.
- It has hard and rigid walls.
Which of the following tissues is/are present in the husk of coconut?
- Parenchyma
- Collenchyma
- Sclerenchyma
- All of the above