Download App

The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life3 Marks
Question

Write down two main functions of:

  1. Endoplasmic reticulum.
  2. Lysosome.
✓

Answer

  1. Functions of endoplasmic reticulum:
  1. It forms supporting skeletal framework of the cell.
  2. ER provides a pathway for the distribution of nuclear material from one cell to the other.
  1. Functions of lysosomes:
  1. Lysosomes serve as intracellular digestive system. They destroy any foreign material which enters the cells such as bacteria and virus.
  2. Lysosomes also remove the worn out and poorly working cellular organelles by digesting them to make way for their new replacements.

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

Explore more

More "Que-Ans (Each of 3 Mark )" from The Fundamental Unit of Life→The Fundamental Unit of Life — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Calculate the number of molecules in 4g of oxygen.
→
The solubility of potassium nitrate at 20°C is 32g per 100g of water. How much salt is required to prepare 66g of its saturated solution?
→
The velocity-time graph of a ball of mass 20 g moving along a straight line on a long table is given in Fig.
Image
How much force does the table exert on the ball to bring it to rest?
→
If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
→
The number of neutrons and protons present in the nuclei of two atomic species A and B are given below.
Atomic Species A B
Protons 8 8
Neutrons 8 10
  1. Write the mass numbers of A and B.
  2. What is the relation between two species?
  3. Write the electronic configuration of atoms A and B.
→
How is melting point related to intermolecular forces of attraction? Why is latent heat of vaporization higher than latent heat of fusion?
→
When do the layers start laying eggs?
→
What is the value of acceleration in the following graph:

→

What are the various forms of energy?

→
When a cricket ball is thrown vertically upwards, it reaches a maximum height of 5 meters.
  1. What was the initial speed of the ball?
  2. How much time is taken by the ball to reach the highest point? (g = 10ms-2)
→