| 1 |
When we work hard we suffer form muscle fatigue muscle cells. |
- A. Carry out aerobic respiration and so accumulate more CO<sub>2</sub>
- B. Carry out anaerobic respiration and so accumulate lactic acid
- C. Carry out aerobic respiration at faster rate and so accumulate lactic acid
- D. Carry out aerobic respiration at faster rate and so are tired
|
| 2 |
Chlorophyll is present in green plastids of plants called ................ . |
- A. Strome
- B. Chloroplast
- C. Grana
- D. Thylakoid
|
| 3 |
In dark reaction first of all CO<sub>2</sub> combines with: |
- A. 5-carbon compound
- B. 6-carbon compound
- C. 3-carbon compound
- D. Already present glucose
|
| 4 |
The breaking of one phosphate bond releases _________ kcal/mol of ATP. |
- A. 7.9
- B. 7.5
- C. 7.1
- D. 7.3
|
| 5 |
......... is one of raw material for photosynthesis . |
- A. Oxygen
- B. Water
- C. Carbon Dioxide
- D. Nitrogen
|
| 6 |
Which of the following chemical is used to identify the starch in leaves? |
- A. KOH
- B. KHCO<sub>3</sub>
- C. Ethanol
- D. Iodine solution
|
| 7 |
The clusters of photosynthetic pigments are called: |
- A. Thylakoids
- B. Photosystems
- C. Carotenoids
- D. Chlorophyll a & b
|
| 8 |
Electrons are passed to ETC to produce: |
- A. AMP
- B. ATP
- C. ADP
- D. NAD<sup>+</sup>
|
| 9 |
In living organisms, redox reactions involving the loss and gain of _____________ atom. |
- A. Oxygen
- B. Carbon
- C. Nitrogen
- D. Hydrogen
|
| 10 |
Anaerobic respiration occurs in the absence of ............. . |
- A. Oxygen
- B. Carbon
- C. Nitrogen
- D. All
|
