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Asked/Added Questions From NCERT:


Question 1. Asked on :01 March 2019:03:14:21 PM

 कोशिका का बिजली घर किसे कहते  है ?

-Added by Akki chauhan Science » Fundamental Unit Of Life

Answer:

Himanshi Verma

 Mitochondria

-Answered by Himanshi Verma On 23 March 2019:05:51:19 PM


Question 2. Asked on :11 February 2019:07:06:39 PM

 Write the full form of ATP.

-Added by Himanshi Verma Science » Fundamental Unit Of Life

Answer:

Himanshi Verma

 ATP stands for Adenosine Triphosphate . This is the energy currency of most cellular processes . The energy released during the process of respiraton is used to make an ATP molecule from ADP (Adenosine Diphosphate) and inorganic phosphate.

-Answered by Himanshi Verma On 13 February 2019:05:32:16 PM


Question 3. Asked on :20 January 2019:10:53:15 AM

 What are the plastids? 

-Added by Himanshi Verma Science » Fundamental Unit Of Life

Answer:

Master Purushottam
 Plant cells: Plastids: As previously mentioned, plastids are doubled membraned 'sac-like' organelles, generally involved in either the manufacture or storage of food. They include chloroplasts, chromoplasts and leucoplasts.

-Answered by Master Purushottam On 24 August 2019:12:18:57 AM


Question 4. Asked on :19 January 2019:04:51:49 PM

 What will happen to RBCs, if they are placed in hypertonic solution?

-Added by Himanshi Verma Science » Fundamental Unit Of Life

Answer:

Master Purushottam
 A hypertonic solution means that there is more salt in the solution or external environment than within the red blood cellsWhen red blood cells are placed in a hypertonic solution, water within the cells move out via osmosis into thesurrounding solution, causing the red blood cells to shrink and shrivel.

-Answered by Master Purushottam On 24 August 2019:12:18:04 AM


Question 5. Asked on :15 January 2019:06:03:25 PM

  What would happen if the plasma membrane ruptures or breaks down?

-Added by Himanshi Verma Science » Fundamental Unit Of Life

Answer:

Master Purushottam
  If the plasma membrane ruptures or breakdown then the cell will not be able to exchange material from its surrounding by diffusion or osmosis. Thereafter the protoplasmic material will be disappeared and the cell will die

-Answered by Master Purushottam On 24 August 2019:12:12:04 AM


Question 6. Asked on :15 January 2019:06:00:52 PM

  How do substances like CO2 and water move in and out of the cell? Discuss.

-Added by Sumitra Mahajan Science » Fundamental Unit Of Life

Answer:

Master Purushottam
CO2 moves by diffusion and H2O  move by osmosis through cell membrane.

-Answered by Master Purushottam On 24 August 2019:12:12:18 AM


 

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