Class 9 Science - Chapter Tissues NCERT Solutions | Differentiate between sclerenchyma and p
Differentiate between sclerenchyma and parenchyma tissues. Draw well labelled diagram.
| Parenchyma | Sclerenchyma |
|---|---|
| a. These cells consist of thin cell walls made up of cellulose. | a. These cells consist of thick and lignified cell walls. |
| b. It is made up of living cells. | b. It is made up of dead cells. |
| c. Cells are usually loosely packed with large intercellular spaces. | c. No intercellular spaces occur between the cells. |
| d. It is primarily a storage tissue and stores nutrients and water in stem and roots. | d. It is primarily a mechanical tissue and provides mechanical strength to the plant part It is primarily a storage tissue and stores nutrients and water in stem and roots. |
| e. These are cells found in soft parts of plants such as leaves, fruits. | e. These cells are found in mature part of the plant like herbaceous and woody plants. |
In fig. A. T.S. Sclerenchyma B. T.S. Parenchyma
More Questions From Class 9 Science - Chapter Tissues
- Q:-
Diagrammatically show the difference between the three types of muscle fibres.
- Q:-
What does a neuron look like?
- Q:-
Draw a labelled diagram of a neuron.
- Q:-
Complete the table:
- Q:-
Give three features of cardiac muscles.
- Q:-
Where is apical meristem found?
- Q:-
What are the functions of the stomata?
- Q:-
How many types of elements together make up the xylem tissue? Name them.
- Q:-
What is a tissue?
- Q:-
What are the constituents of phloem?
Popular Questions of Class 9 Science
- Q:-
Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?
- Q:-
State the universal law of gravitation.
- Q:-
Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, cold-drink, smell of perfume.
- Q:-
A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on the object through the displacement. What is the work done in this case?
- Q:-
What is meant by a pure substance?
- Q:-
How does the sound produced by a vibrating object in a medium reach your ear?
- Q:-
In a reaction, 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium observations are in agreement with the law of conservation of mass.
sodium carbonate + ethanoic acid → sodium ethanoate + carbon dioxide + water
- Q:-
What are canal rays?
- Q:-
State any two conditions essential for good health.
- Q:-
How is our atmosphere different from the atmospheres on Venus and Mars?
Recently Viewed Questions of Class 9 Science
- Q:-
Define average power.
- Q:-
Name A,B,C,D,E and F in the following diagram showing change in its state
- Q:-
An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s?
- Q:-
What can you say about the motion of an object if its speed-time graph is a straight line parallel to the time axis?
- Q:-
A bus decreases its speed from 80 km h-1 to 60 km h-1 in 5 s. Find the acceleration of the bus.
- Q:-
What precautions can you take in your school to reduce the incidence of infectious diseases?
- Q:-
Distinguish between speed and velocity.
- Q:-
Write an expression for the kinetic energy of an object.
- Q:-
A freely falling object eventually stops on reaching the ground. What happenes to its kinetic energy?
- Q:-
What is osmosis?
- All Chapters Of Class 9 Science
- All Subjects Of Class 9