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Sunday, 3 May 2020

Notes for class X Transport con't

Pumping mechanism  of heart ------First the blood enters in left and right atria from lungs and body respectively .Now the walls of atria contact and the blood moves to respective ventric;les through valve . When the thick walls of ventricles contract the oxygenated blood from left ventricle moves to the whole body through aorta and de -oxygenated blood moves to lungs through pulmonary artery.


How water rises in the plant There are two major forces involved in ascent of cell sap or rising of water:-   

(1) Root pressure The concentration of water if more in the soil and less in the root cells so this change in the concentration pushes the water into the roots through osmosis .

(2) In order to rise above against gravity the plant needs high pressure which is provided  by transpirational pull .the stomata loose water in the process of transpiration which causes a suction pressure allowing the water to be pulled up without spending any energy.

How the food moves in the plant:-
Movement of food in the plant from region where it is produced to the region where it is needed is called translocation .This process unlike movement of water requires energy in the form of ATP .Water only moves upwards whereas food moves from source(region where it produced) to sink (region of need) in both the directions .The ATP molecule helps the sucrose or other food to move to sieve tubes  this makes the osmotic pressure increase and allows water to  move into these cells .the high pressure in this zone makes the food to travel to the region of low pressure i.e. where food is needed .

In spring season the food stored  in the tubers underground travels to the buds for flowering so food can travel in any direction with the help of energy. 

transpiration

194 comments:

  1. Mam thank you for your precious notes I have completed this work
    Shivank Bhardwaj
    X-G

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    Viren sehgal
    XA

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    Bhumanyu Samyal
    X-C

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    Aryan Chadha
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    Siddharth Bansal 10-G

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    Jai Aggarwal
    X-G

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    because net work issu i had leave the meeting in 10 min after joining
    Muskan
    10th-A

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    Uttam
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    Tanuj Arora
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    Anika Kapoor
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    ayush goyal
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    Ali Rehman Ansari
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    Replies
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  75. Mam I have attended all the classes
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    Disha Mehta
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    Shreya Goel
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  122. I have also completed all the work of Bio .
    Shreya Goel
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    completing the notes regularly.
    Anika Kapoor
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    Tulekaa CHITKARA
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  125. Thank you mam for these notes .My work is completed and will try to complete it soon.and I have attended all the classes till now
    Tulekaa CHITKARA
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    ayush goyal
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  128. my work is complete
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    Nishita Rawat
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    Harsh Gupta
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    Priyanka
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    Anushka Aggarwal
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  134. THANK YOU MAM for the precious notes
    Yash Ahuja
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  135. Thank you mam for the notes
    X G
    Vedaang Mohta

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  136. Thank you mam for the notes
    Jai Aggarwal
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  137. Thank you Mam for notes
    Siddharth Bansal
    10 G

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  138. Thank you mam for the notes
    Shivank Bhardwaj
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  139. Thank you maam

    Daksh Chanana
    X-G

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  140. Thank you ma'am
    Ishita
    X-G

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  141. Thank you mam
    Sparsh Garg
    10-G

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  142. This comment has been removed by the author.

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  143. Thank you ma'am
    Ridhi Johri
    X-G

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  144. Thanku maam
    Saksham jain
    X-G

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  145. Thank you mam fir the notes.
    Sneha Saraogi
    XG

    ReplyDelete
  146. Thank you mam
    -Jhanvi bhardwaj
    (10-G)

    ReplyDelete
  147. Thankyou mam
    ADITYA SHARMA
    X-G
    Roll no. 1

    ReplyDelete
  148. Thank you mam
    Regards
    Vedansh vats 10 G
    Roll no 48

    ReplyDelete
  149. Than you mam
    Om raghav
    X–G
    Roll no –29

    ReplyDelete
  150. work completed
    Attended the class
    Daksh Aggarwal
    X-G
    Roll No-10

    ReplyDelete
  151. Attended The class and work completed till date.
    Chehak Oberoi
    X G

    ReplyDelete
  152. Thank you ma;am
    Daksh Rustagi
    X-G

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  153. Mam my work is complete and up to date
    Vaibhav Gupta
    X-C

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  154. My work has completed till date and attended all the classes.
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    ADITYA SHARMA
    X-G

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  155. Ma'am I am completing my work side by side and also have attended all your classes.
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    X-c

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  156. Mam I have attended today's class and understood all the topic and I also have completed all my work of biology.
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  157. Ma'am my work is complete and I have attended the class
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  158. Thank you mam I am completing my work
    X G
    Vedaang Mohta

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  159. I have attended today's class and I have also completed my work
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  161. Mam I have attended today's class and completed my work
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  163. Mam i have attended today's class
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  166. Mam I have Attended today's class and have completed all of My work

    X-G
    Aryan Chadha

    ReplyDelete
  167. Mam I have attended the clasess and my work is also completed
    -Jhanvi bhardwaj
    (10-G)

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  168. Mam attended today's class
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  169. Maam attended today's meeting
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    Saksham jain
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  170. Mam I have attended meeting and completed my work
    Regards
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    X-G
    Rollno-48

    ReplyDelete
  171. Mam i have attended today's bio class
    Kritik Jain
    X-G

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  172. Ma'am I have attended today's class
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    X-G

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    X-G

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  174. I had attended today's class.

    Daksh Chanana
    X-G

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  175. I have Not Attendended todays class because of some network problem
    Yash Ahuja
    X-G

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  176. I had network problem that's why I was not able to attend the class.
    Sneha Saraogi
    X G

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  177. My work is complete
    Ishita Aggarwal
    X-A

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  178. Ma'am done
    Daksh Rustagi
    X-G

    ReplyDelete
  179. Thank u mam for these notes.
    Salini Gupta
    XC

    ReplyDelete