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10th Standard English Medium Science Subject Transportation in Plants Circulation in Animals Book Back 4 Mark Questions with Solution Part - II Question Bank Software Jun-12 , 2021

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10th Standard English Medium Science Subject Transportation in Plants Circulation in Animals Book Back 4 Mark Questions with Solution Part - II

10th Standard English Medium Science Subject Transportation in Plants Circulation in Animals Book Back 4 Mark Questions with Solution Part - II

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 20
    5 x 4 = 20

  1. Trace the pathway followed by water molecules from the time it enters a plant root to the time it escapes into the atmosphere from the leaf.

  2. Describe the structure and working of the human heart.

  3. What are heart sounds? How are they produced?

  4. Who discovered Rh factor? Why was it named so?

  5. Why is the Sinoatrial node called the pacemaker of heart?

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