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RRB JE 2019 | Day 12| Biology Quiz 3

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Question 1

Without the presence of which of these, pepsin enzyme is inactive in the stomach?

Question 2

What do you understand by Anaerobic Respiration?

Question 3

Name the respiratory organs of insects?

Question 4

Which one of the following is the respiratory pigment in human ?

Question 5

The saliva helps in the digestion of_____.

Question 6

Proteins are digested to polypeptides by which enzyme?

Question 7

The acid present in Vinegar is ______.

Question 8

Which acid is present in the human tear fluid?

Question 9

What does Trypsin do?

Question 10

Lungs are the primary organs of _________.
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Dec 9ESE & GATE EC