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3 questions · 2003 · answers as per the UPSC key

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With reference to the work of human kidney, consider the following statements:

  1. After the waste is removed in the kidney, the cleaner blood is sent back through renal artery.
  2. From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein.

Which of these statements is/are correct?

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (b) Only 2

Octopus is

(a) an arthropod
(b) an echinoderm
(c) a hemichordate
(d) a mollusc
Show answer
Answer: (d) a mollusc

With reference to normal human beings, consider the following statements:

  1. In response to the presence of HCl, secretin is produced from the duodenum
  2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids

Which of these statements is/are correct?

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (c) Both 1 and 2