The major steps in aerobic respiration and the sites where they occur are listed in the given table.
Step |
Site of occurrence |
||
1. |
Glycolysis |
1. |
Cytoplasm |
2. |
Krebs cycle |
2. |
Matrix of mitochondria |
3. |
Electron transport system |
3. |
Inner mitochondrial membrane |
4. |
Oxidative phosphorylation |
4. |
F0-F1 particles in the inner mitochondrial membrane |
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.
Mention the ploidy of the following:
protonemal cell of a moss;
primary endosperm nucleus in dicot,
leaf cell of a moss;
prothallus cell of a fern;
gemma cell in Marchantia;
meristem cell of monocot,
ovum of a liverwort, and
zygote of a fern.
Match the following (a) Cristae (i) Flat membranous sacs in stroma (b) Cisternae (ii) Infoldings in mitochondria (c) Thylakoids (iii) Disc-shaped sacs in Golgi apparatus
New cells generate from (a) bacterial fermentation (b) regeneration of old cells (c) pre-existing cells (d) abiotic materials
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