vivek kumar gaurab rollno: 46

life process

Q.What are the different type of life process?

• nutrition

• transport

• synthesis

• growth

• execration

• respiration

• regulation

• reproduction

Q.Define autotrophic

• That organism which made their food themselves is 

              called autotrophic.

Q.Define heterotrophic

• That organism which does not make them and depend on other for food

                               is called heterotrophic.

Q.What is the function of stomata?

• to exchange gasses during photosynthesis 

• transpiration  

ACTIVITY

Objective; -to study the peristaltic movement in food pipe

Material;- 

• cycle tube 

• a lump of soil 

Procedure;- 

• take a tube and cut the tube from one end.

• put the soil in the tube.

• now you can see that the soil des not move.

• so you have to press the tube with your hand. 

• after some time you can see that the soil move downward.

ACTIVITY 2

TO LABEL THE HUMAN DIGESTIVE SYSTEM

• Rena ma'am gave the paper to all of the students.
• the diagram of the human digestive system was printed.
• ma'am told all the student to fill it.
• then we filled the gap or label the human digestive system.
• at the end, we paste the diagram in the copy.

 mouth 
food pipe
liver
stomach
small intestine
large intestine
rectum 
anus








27/4/2017

HW

Q. where does the light reaction take place in the plant?

Ans- light reaction takes place in the thylakoid membrane of chloroplast of the leaf.

Q. where does dark reaction take place?

Ans-  it occurs in the stroma of living chloroplast.

Q. What is grana?

Ans-Grana, which is the plural form of Granum, refers to a stack of thylakoids contained within the chloroplast of the plant cell. 

Q.Write the equation for the dark reaction?

Ans-6co2+12NADPH+12H2O +18 ADP= C6H12O6+12NADP +18 ADP +18 Pi

28.4.17

Q. What is the difference between starch and sugar?

Ans-      starch                                                             sugar

• simple carbohydrates                                                                   complex carbohydrates
• quicker absorber                                                                         longer absorber
• increase the blood level rapidly                                              increase the blood level gradually

Q. What is the function of salivary of amylase?

Ans - it breaks down the carbohydrates into the simpler form.

Q. What is the PH of mouth?

Ans- 5.5 is the PH of mouth.
Q. Function of mucus, H CL,  gastric juice?
Ans-HCl - it breaks down all the particle which enter into the stomach through food pipe.
     mucus- it stops the lining of the stomach.

     chemical reaction

ACTIVITY

Add caption

Material

• magnesium ribbon
• matchstick
• sandpaper

PROCEDURE

• Take a magnesium ribbon and sand paper
• using the sand paper remove the magnesium carbonate.
• burn the magnesium ribbon 
• you can see the white dazzling flame 
• the ashes are formed 
• ashes are magnesium oxide
•