Selina solutions

Selina solutions

Grade 7

Excretion in Humans | Short Answer Questions (SA)

Question 1

Q1) Fill in the blanks:

  1. Nitrogenous waste in urine is in the form of ____ and _____.
  2. The unit of human kidney is called ______.
  3. Evaporation of sweat from the skin surface has a _____ effect.

Solution:

  1. Nitrogenous waste in urine is in the form of urea and uric acid.
  2. The unit of human kidney is called nephrons.
  3. Evaporation of sweat from the skin surface has a cooling effect.

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subject-cta

Question 1

Q1) Fill in the blanks:

  1. Nitrogenous waste in urine is in the form of ____ and _____.
  2. The unit of human kidney is called ______.
  3. Evaporation of sweat from the skin surface has a _____ effect.

Solution:

  1. Nitrogenous waste in urine is in the form of urea and uric acid.
  2. The unit of human kidney is called nephrons.
  3. Evaporation of sweat from the skin surface has a cooling effect.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your biology exam ?

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subject-cta
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