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NEET UG BIOLOGY MCQ: CELL-THE UNIT OF LIFE
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Assertion (A): Mitochondria and chloroplast are semiautonomous organelles.
Reason (R): These are formed by the division of pre-existing organelles as well as they contain DNA, but lack protein synthesizing machinery.
Reason (R): These are formed by the division of pre-existing organelles as well as they contain DNA, but lack protein synthesizing machinery.
View answer and explanation
Correct option: C
If A is true, but R is false
Option B (C, H, O, N) is correct because carbon, hydrogen, oxygen, and nitrogen are the most abundant elements in living systems, making up about 95% of their mass.
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