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O/L 2021 Science MCQ paperEnglish medium

Category :

O/L

Subject :

Science

Year :

2021

Medium :

English medium

Question Number :

22

Time Passed :

2h

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22. consider the following organs, A-skin B-kidneys C-pancreas out of these , those that contribute to maintain homoeostasis of the body is/are

(1)

only A

(2)

only A and B

(3)

only B and C

(4)

all A,B and C