Assignment 3 for 9th and 10th

Questions for 9th
Q 1  What is the cell wall made up of ? 
Q 2  Explain the following
: If the plant cell is immersed in hypo tonic solution ?
: If the plant cell is immersed in hyper tonic solution?
(must write your answer after referring to NCERT book or reference book )


Questions for 10th 
Q1 Draw labelled diagram ;
Holozoic nutrition in Amoeba
Human digestive system
Q2Make a table and fill all the columns   

Name of the digestive part	Enzyme /juice produced	Substrate On which it act	Product formed
mouth
oesophagus
stomach
pancrease
liver
Duodenum
Small intestine
Large intestine

 Q3Define holozoic nutrition and  all its five steps

Q4 What is function of Sphincter , Hcl ,mucus ,Bile  in digestion? 
HOTS 
Why is advised not to stay hungry for long hours?
Why do doctors advice people with acidity to take digene  ?
What is importance of peristalsis in oesophagus?
What is significance of liver in digestion when it doesn't produce any enzyme?
Name the bacteria which causes peptic ulcer.