| 1 |
In the absence of oxygen, yeast cells obtain energy by fermentation, producing CO3, ATP and. |
- A. Acetyl CO-A
- B. Ethanol
- C. Lactate
- D. Pyruvate
|
| 2 |
Photosynthetic pigments organized into clusters are called. |
- A. Tkoids
- B. Photosynthesis
- C. Stroma
- D. Granna
|
| 3 |
The percentage of photosynthesis carried out by terrestrial plants is about. |
|
| 4 |
During the dark reaction of photosynthesis, the main process that occurs is |
- A. Release of oxygen
- B. Energy absorption by the chlorophyll
- C. Adding of hydrogen to the carbon dioxide
- D. Formation of ATP
|
| 5 |
Total photosynthesis is carried out by the terrestrial plants in about. |
- A. 15%
- B. 10%
- C. 20%
- D. 22%
|
| 6 |
Magnesium is an important untrient ion in green plants as it is an essential component of |
- A. Cell sap
- B. Protein
- C. Chlorophyll
- D. Glucose
|
| 7 |
Calvin cycle is also known as |
- A. C1 Pathway
- B. C2 pathway
- C. C3 Pathway
- D. C4 Pathway
|
| 8 |
Magnesium of chlorophyll is replaced in hemoglobin by. |
- A. Calcium
- B. Iron
- C. Potassium
- D. Phosphorus
|
| 9 |
When a green plant performs photosynthesis at it maximum rate |
- A. The rate of water loss in high
- B. The water content of the plant will be low
- C. The energy content of the plant will be low
- D. The energy content will be unaffected
|
| 10 |
Which statement about the chemiosmotic mechanism is not true |
- A. Protons return through the membrane by way of a channel protein
- B. Proton are pumped across a membrane
- C. Proton pumping is associated with the respiratory chain
- D. Has no connection with the respiratory chain
|