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Friday, 1 May 2020

Assignment class IX (try to do it yourself if doubt may refer to A key given below)

Q1 What is the definition of cell?

Q2 Name the part of of cell where respiration takes place and what is the form in which energy is generated?

Q3 write which type of Plastids are present in
 (a) fruits
(b) green leaves

Q4 What is gene? what is it made up of?

Q5 what is the type of cell Divison required for growth ?

Q6 What will happen if we place egg immediately from fridge to boiling ?what change would happen if we put some salt in the water where egg is boiling ?

Q7 what is the difference between Rough ER and Smooth ER ?

Q8 what is  the function of Ribosomes?

Q9 What is constitution of cell membrane and that of cell wall?

Q10 What will happen to plant cell when it is placed in (a) hypertonic solution and an animal cell is placed in hypotonic solution for long?
Answer key(clues)

A1 structural and functional unit of life

A2  Mitochondrion and energy is generated in the for of a chemical called ATP (adenosine triphosphate)

A3 (a) Leucoplast
      (b) Chloroplast

A4 Gene is  unit of information located on chromosomes made up of DNA(Deoxyribose nucleic acid)

A5 Mitosis is the type of cell division required for growth as it makes daughter cells which carry all the information present in mother cell.

A6it will burst because of endo-osmosis.If we put salt the solution outside will become hypertonic and egg will lose water and not burst.

A7 A8RER hss ribosomes attached and helps in protein synthesis where as SER doen't  have ribosomes attached to it and it's function is lipid synthesis.

 A8 Ribosomes are involved in protein synthesis.

A9 cell membrane is made up of two layers of lipids and in between are proteins sandwiches .cell wall is made up of cellulose(a complex carbohydrate)

A10 (a) plant cell will lose water and membrane will shrink this is called plasmolysis
       (b) Animal cell will swell due t endo  osmosis and if s continued to be kept  then the animal cell would burst.

113 comments:

  1. Thank you ma'am
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  2. Thank you ma'am
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    Lisa
    IX-I

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  3. Thank you mam for assignment
    Krishika Rana
    IX-C

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    Ashpreet Kaur
    IX-C

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    Gauri
    IX-C

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    Bhavya Bansal
    IX-C

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    Subhit gupta
    IX-C

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    Akshit Juneja IX-C

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    ATHARV SHARMA
    IX-C

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    Prachi Arora
    9th-C

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    Dhritti Garg
    9-C

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    lX-C

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    9th-c

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    KAVYA JAIN
    IX-C

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    Rakshit Gupta
    IX C

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    Kashish Paliwal
    IX-C

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    Ashi Gupta
    IX-C

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    Diksha Gupta
    IX-I

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  21. Mam I have taken the assignment.
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    Kashish Paliwal
    IX-C

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  23. Thank you mam for the assignment.
    Vaibhav Sethi
    IX-C

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    Nishtha Gupta
    IX-I

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    Aashi Jain
    9-I

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    Nikita Joshi
    IX-I

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    Aasmi Sood
    9c

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    Ashika Jain
    IX-I

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    Avni Jain IX-I

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    9-I

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    Arahan
    9-I

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  32. Thank you mam for the assignment.
    Kavya Sambyal
    IX-C

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  33. Thank You ma'am.. I've taken the assignment. All my work till date is also completed.
    Gurbani Kohli
    IX-I

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    Radhika bansal
    IX-I

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    Diksha singla
    9-c

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    Prarthna Gupta
    9-I

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    Ananya Dhingra
    9C

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  39. Mam assignment and all work is completed

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  40. Thank u ma'am for the assignment
    Namya Jain
    IX-I

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  41. Mam noted the assignment. My work till date is complete and I will complete this assignment too. Thank you for the assignment.
    Punya Arora
    9th I

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  42. Thank you ma'am for the assignments

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  43. Thank you mam for your assignment.
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    Yuktesh Bhatia
    IX-C

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  44. This comment has been removed by the author.

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  45. Thankyou for this assignment ma'am . All my work is complete .
    Gauri Bhardwaj
    IX - I

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    Lewis Joshi
    IX - I

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    Kanisha Malik
    9-I

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  49. Thank you mam for assignment
    Prisha Malhotra
    IX-I

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  50. Thank you ma'am for the assignment.

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  51. Thank you mam for the assignment
    Krish garg IX-I

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    Harsh 9th I

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    Nalin Grover
    IX-I

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    Deepanshi
    9 I

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    Raghav Dhingra
    9th i

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    Vansh khurana
    IX-C

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  58. Thank you mam for the assignment
    Shubham
    9C

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    Rudra Nandwani
    IX-A

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    Mishti Arora
    9A

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    Sanvi Jain
    IX-I

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  63. Thank u for the assignments mam... Assignment taken...
    Jhanvi
    IX-I

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    Divyansh Bakshi 9th A

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    Divyansh Bakshi 9th A

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  66. Thank you mam
    Soumya aggarwal 9th A

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  67. Mam I have attended the today's class and I have completed my work.Thanks you mam for assignment.

    Kushagr Wadhwa 9A

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  68. MAM I HAVE ATTENDED ALL THE CLASSES AND ALSO COMPLETED THE ASSIGNMENT
    9-I

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    Arpit Kumar
    9th-I

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    Naksh saini
    9th-A

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  72. Mam I have completed the assignment and attending all classes regularly Mam thank you for today's assignment mam my name is shivam katyal from 9thA

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  73. Mam thank you for today's class revision shivam katyal from 9thA

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  74. continue good work .your activity in the copy ,class & blog will fetch you marks in internal assessment

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  75. Mam i have gone through the assingment and will submit the assingment soon
    Thanku arsh khanna 9i

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    Chetna yadav
    X G

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    Anil Yadav
    9th-A

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  78. Mam I am Tanmay and I completely completed it

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  79. Thank you mam for sharing the assignment
    Riddhi Khandelwal
    9-I

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  80. Mam today's assignment is done by pratham Kumar Srivastava
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    Roll:-25

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  81. Thank u mam for sharing the assignment
    Nishita Rawat
    X-C

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    Arahan
    9-I

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    Vanshika Malhotra
    9-A

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  84. Mam it is done
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    Subhit gupta
    IX-C

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  85. Good afternoon mam,
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    Prachi Arora
    9th-C

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  86. Thanku mam for the assignment.I have completed it.
    Gateek Madan
    IX-C

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    Subhit gupta
    IX-C

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  88. Thankyou mam for the assignments.these are very helpful mam
    Ditya
    IX-C

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  89. Thank you ma'am for assignment.completed all the work.
    Srijan Sinha- IX-I

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  90. This comment has been removed by the author.

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  91. Mam i have taken the assignment. Thanks for your efforts.
    Karishma Kataria
    IX C

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    Manan Dudeja
    IX C

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  93. Thank you mam for the assessment
    Soumya aggarwal
    9th A

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  94. Mam I have received the assignment
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    Himanshi Goyal
    IX-I

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  95. This comment has been removed by the author.

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  96. Mam done the test
    Sukriti 9th i

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    PRISHA MALHOTRA
    IX-I

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    Rudra Nandwani IX-A

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  99. This comment has been removed by the author.

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  100. MAM I HAVE COMPLETED MY WORK .. MY ALL WORK IS UPDATED TILL THE DATE . I HAVE DONE THIS ASSIGMENT IT IS VERY HELPFUL

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  101. Mam thank you for questions..
    Shaurya sinha
    9c

    ReplyDelete
  102. I have attended the class.I have received the assignment. Thankyou so much mam for your efforts
    Manann Gosain IX-A

    ReplyDelete
  103. Thank you mam �� ☺ �� for these all assignments I m practicing all questions from here and books and doing best to score good thank u for ur efforts
    Aasmi sood 9c 1

    ReplyDelete