CBSC Class 9th NOTES

Name the stain used for observing animal cells / CBSC Class 9th NOTES cbsc class 9 Science chapter 5: Notes     Question 4- name the stain used for observing animal cells?      Answer- metrylene blue  Question 5- who discovered free living cells ?    Answer-Leeuwenhoek in 7064 discovered free living cells(unicelluclar organism). He … Read more

Notes for Science Chapter 6 -Tissues / CBSC Class 9th     Notes for Science Chapter 6 – Tissues (Class 9th)   Class 9 Biology Notes   Question answer     Question 1- what is tissue? Answer- tissue is a group of similar cells which performs the same fraction and have a a common origin. … Read more