Structural Organisation of Animals Four and Seven Marks Questions

10th Standard

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Science

Time : 01:00:00 Hrs
Total Marks : 55
    5 x 4 = 20
  1. Why are the rings of cartilages found in trachea of rabbit?

  2. List out the parasitic adaptations in leech.

  3. Leeches do not have secretion of digestive juices and enzymes -Why ?

  4. How is the digestive system of rabbit suited for herbivorous mode of feeding?

  5. Explain the Digestive System of Rabbit

  6. 5 x 7 = 35
  7. How is the circulatory system designed in leech to compensate the heart structure ?

  8. How does locomotion take place in leech?

  9. Explain the male reproductive system of rabbit with a labelled diagram.

  10. Arjun is studying in tenth standard. He was down with fever and went to meet the doctor. As he went to the clinic he saw a patient undergoing treatment for severe leech bite. Being curious, Arjun asked the doctor why leech bite was not felt as soon as it attaches to the skin ? What would have been the reply given by the doctor?

  11. Shylesh has some pet animals at his home. He has few rabbits too, one day while feeding them he observed something different with the teeth. He asked his grandfather, why is it so? What would have been the explanation of his grandfather?

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