1
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion Nitrogen-fixing bacteria of legume root nodules survive in oxygen depleted cells.

Reason Leghaemoglobin completely removes oxygen from nodule cells.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is true, but R is false
D
A and R are false
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion Magnesium is important in photosynthesis and carbohydrate metabolism.

Reason $$\mathrm{Mg}^{2+}$$ is involved in the synthesis of nucleic acids.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is true, but R is false
D
A and R are false
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