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Everyday Science MCQs — Test 142

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Question 1
In plants, which of the following is a waste product produced both during photosynthesis and respiration?
Question 2
In animals excess of nitrogen is excreted primarily in form of___________?
Question 3
The main nitrogenous waste formed in the body of earthworm is/are___________?
Question 4
Which of the following excretory structure is associated with gut of the organism?
Question 5
Which of the following nephrons play important role in production of concentrated urine?
Question 6
Purine and pyrimidine metabolism results in production of____________?
Question 7
Amount of water required to excrete 1gN of Urea is_________?
Question 8
Each ach nephridium of earthworm opens to the exterior by__________?
Question 9
Which of the following marine fishes are considered direct descendents of fresh water ancestors?
Question 10
Which excretory product in produced in plants during autotrophic mode of life?