Question
Write the functions of parenchyma, collenchymas and sclerenchyma.

Answer

  1. Parenchyma Functions:
  1. The main function of parenchyma is to store and assimilate food.
  2. Transport of materials occurs through cells or cell walls of parenchyma cells.
  1. Collenchyma Functions:
  1. It provides mechanical support and elasticity.
  2. It provides tensile strength to the plants.
  1. Sclerenchyma Functions:
  1. It is mainly mechanical and protective in function.
  2. It gives strength, rigidity, flexibility and elasticity to the plant body.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Three different atoms of oxygen are represented as:$^{16}_{\ 8}\text{O},\ ^{17}_{\ 8}\text{O}\text{ and }^{18}_{\ 8}\text{O}$
  1. What do the subscripts (lower figures) and superscripts (upper figures) represent?
  2. What factor is responsible for the change in the superscripts $16, 17$ and $18$, though the element is the same?
  3. What is the usual name for such atoms of an element?
  4. Give the nuclear composition of $​​^{18}_{\ 8}\text{O}$
The velocity-time graph shows the motion of a cyclist. Find
  1. Its acceleration
  2. Its velocity and
  3. The distance covered by the cyclist in $15$ seconds.
What do you mean by passive and active transport? Write a note on diffusion.
“Prevention of disease is more desirable than its treatment”. Justify the statement by discussing three major strategies to be adopted for the prevention of infectious diseases.
Explain the methods of controlling insect pests.
Define distillation. What types of liquids (substances) can be separated by this process?
Differentiate between striated, unstriated and cardiac muscles on the basis of their structure and site/location in the body.
Identify the cross performed between two plants belonging to different species.
Describe the mechanism of osmosis. Give its importance.
A cube of side $5\ cm$ is immersed in water and then in saturated salt solution. In which case will it experience a greater buoyant force. If each side of the cube is reduced to $4\ cm$ and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case for water. Give reason for each case.