| 1 |
The number of oxidation steps during one Krebs. cycle are. |
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| 2 |
Conversion of one pyruvic acid into one acetyl Co A gives off one molecule of. |
- A. ATP
- B. Oxygen
- C. Water
- D. Carbon di oxide
|
| 3 |
From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed. |
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| 4 |
Which statement about oxidative phosphorylation is not true |
- A. Its functions can be served equally well by fermentation
- B. In eukaryotes, its takes place in mitochondria
- C. It is brought about by the chemiosmotic mechanism
- D. It is the formation of ATP during the operation of the respiratory chain
|
| 5 |
Pyruvic acid is formed from glucose in. |
- A. Matrix of mitochondria
- B. cytosol
- C. Stroma
- D. Chloroplast
|
| 6 |
Absorption of blue light is maximum at |
- A. 430 nm
- B. 550 nm
- C. 750 nm
- D. 670 nm
|
| 7 |
Accessory photosynthetic pigment xanthophyll's are |
- A. Green in colour
- B. Red in colour
- C. Yellow in colour
- D. None of these
|
| 8 |
The first action spectrum was obtained by. |
- A. T.W. Engelmann
- B. Van Neil
- C. Melvin Calvia
- D. Ernst Haeckel
|
| 9 |
Haem portion of hemoglobin is also a porphyria ring but containing an iron atom instead of. |
- A. Nitrogen atom
- B. Sulpher atom
- C. Magnesium atom
- D. Potassium atom
|
| 10 |
the light falling on leaf surface is absorbed about. |
- A. 1%
- B. 25%
- C. 50%
- D. 100%
|
