AIPMT MAINS 2012 Botany Chloroplasts MCQ Question
Which one of the following cellular parts is correctly described?
Thylakoids - flattened membranous sacs forming the grana of chloroplasts
Centrioles - sites for active RNA synthesis
Ribosomes - those on chloroplasts are larger (80s) while those in the cytoplasm are smaller (70s)
Lysosomes - optimally active at a pH of about 8.5
Correct Answer
Detailed Explanation
Thylakoids are indeed flattened membranous sacs that form the grana in chloroplasts, which is essential for photosynthesis.
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