Class 9

Cytoplasm

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 What is cytoplasm? Question 2 Explain the structure of cytoplasm? Question 3 Give the functions of cytoplasm? Cytoplasm The part of the cell which occurs between plasma membrane and nuclear membrane is called cytoplasm. The inner granular mass of cytoplasm is called endoplasm.The outer clearer layer is called ectoplasm. Cytoplasm consist of an … [Read more...] about Cytoplasm

Nucleus

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 Who discovered nucleus? Question 2 What is the location of nucleus? Question 3 Explain the structure of nucleus? Question 4 Differentiate between Prokaryotic Cell and Eukaryotic cell? Question 5 What are chromosomes made of? Question 6 Give the characteristics of different types of chromosome? Question 7 What is a diploid cell? Question 8 What … [Read more...] about Nucleus

Cell Organelles-Plasma Membrane

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 What are cell organelles? Question 2 What is plasma membrane? Question 3 Why plasma membrane is called as semi-permeable membrane? Question 4 Define the term diffusion? Question 5 Define osmosis? Question 6 How carbon dioxide and oxygen undergoes diffusion? Question 7 What are hypotonic solution.Give example? Question 8 What are the three major … [Read more...] about Cell Organelles-Plasma Membrane

Speed of Sound in Different Medium

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 Is the speed of sound more in water or steel? Question 2 In which medium sound travels faster:air or iron? Question 3 What name is given to those aircrafts which fly at speeds greater than the speed of sound? Question 4 What is meant by supersonic speed? Question 5 On what factors does speed of sound depends? Question 6 Define sonic boom? Question 7 … [Read more...] about Speed of Sound in Different Medium