Question

21. Write short notes on - mitochondrion, chloroplast
22. Name the cell organelle found in plant cells only. Write its types and function
23. Write the main function of each of the following.
(a) Plasma membrane (b) cell wall
(c) Ribosome
(d) Lysosome
(e) Nucleolus
(Endoplasmic reticulum
24. What are different types of Endoplasmic reticulum write their function
25. Draw a plant cell and label the parts -
(a) Synthesize food
(b) produce energy
(c) Store house of organic substances like protein, organic acids
(d) Packages material coming from endoplasmic reticulum
(e) Determine function and development of the cell.
* Note: The students should solve this assignment in their biology notebook​

Answer 1

Answer:

mitochondria inside our body it helps is store the energy

chloroplasts is help plants in green colour

it controls all the life function taking place inside the cell

plasma membrane is inside but outer surface is cell wall

ribosomes help in protein synthesis. ribosomes are found both plants and animals

it helps in cellular digestion

it is a spherical body present inside the nucleus