| (i) Cristae of mitochondria |
| (ii) Inner membrane of mitochondria |
| (iii) Cytoplasm |
| (iv) Smooth endoplasmic reticulum |
| (v) Rough endoplasmic reticulum |
| (vi) Mitochondrial matrix |
| (vii) Ribosome |
| (viii) Nucleus |
A) 1 - (viii) 2 - (v) 3 - (vii) 4 - (iii) 5 - (iv)
B) 1 - (i) 2 - (iv) 3 - (vii) 4 - (vi) 5 - (iii)
C) 1 - (vi) 2 - (v) 3 - (iv) 4 - (vii) 5 - (i)
D) 1 - (v) 2 - (i) 3 - (iii) 4 - (ii) 5 - (iv)
Correct Answer: A
Solution :
[a] In the given diagram of endoplasmic reticulum, the components marked as 1, 2, 3, 4 and 5 are respectively nucleus (viii), rough endoplasmic reticulum (v), ribosomes (vii), cytoplasm (iii) and smooth endoplasmic reticulum (iv). Endoplasmic reticulum is a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis
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