1. Cristae acts as a site for…
(A) Molecules breakdown
(B) Protein synthesis
(C) Oxidation-reduction reactions
(D) None of these
2. Which organelle can be viewed by a light microscope?
(A) Golgi apparatus
(B) Ribosome
(C) Endoplasmic reticulum
(D) Mitochondria
3. Due to the deficiency of hexosaminidase A, which disease will occur?
(A) Albinism
(B) Tay-Sachs
(C) Tyrosinemia
(D) None of these
4. Endoplasmic reticulum and mitochondria are involved in the regulation of ____ in the cell.
(A) Ca2+ level
(B) O2 level
(C) Mg2+ level
(D) None of these
5. In a cell, the number of mitochondria depends on …
(A) Shape of cell
(B) pH of the cell
(C) None of these
(D) Functional state of cell
6. Deficiency of HGPRTase activity leads to …
(A) Addison’s syndrome
(B) Caison’s syndrome
(C) Wilson’s syndrome
(D) Lesch-Nyhan syndrome
7. Infoldings at the inner membrane of mitochondria are named as …
(A) Grana
(B) Cristae
(C) Thylakoids
(D) None of these
8. AGG is a …
(A) None of these
(B) Extension codon
(C) Supplement codon
(D) Termination codon
9. Ubiquinone is a …
(A) Electron carrier in Golgi apparatus
(B) Electron carrier in ribosome
(C) Electron carrier in mitochondria
(D) None of these
10. Cytochrome oxidase is a …
(A) Protein marker
(B) Histochemical marker
(C) Sucrose marker
(D) All of these
11. UGA is a …
(A) Temp codon
(B) Proline
(C) Tryptophan codon
(D) All of these
12. Which genetic code shows the ambiguity?
(A) UGA
(B) AGA
(C) GAA
(D) URA
