|
Questions |
Answers |
| 1 |
Which elements are present in chlorophyll – |
Magnesium |
| 2 |
Chlorophyll contains – |
Magnesium |
| 3 |
The by-product of photosynthesis is – |
O2 |
| 4 |
It happens during the photosynthesis in green plants – |
Taking CO2 and releasing oxygen |
| 5 |
What is the formula of glucose? |
C6H12O6 |
| 6 |
Which gases are used by plants in photosynthesis? |
Carbon dioxide |
| 7 |
During photosynthesis, green plants absorb – |
Carbon dioxide |
| 8 |
Which gases are essential for the photosynthesis process? |
CO2 |
| 9 |
Oxygen, which is liberated during photosynthesis, comes from – |
Water |
| 10 |
The radiant energy absorbed by the plants results in – |
Photolysis of Water |
| 11 |
Most of the oxygen on earth is produced by – |
Algae |
| 12 |
Photosynthesis occurs in – |
Day or night |
| 13 |
The process by which plants produce food is called – |
Photosynthesis |
| 14 |
The process by which plants synthesize their food is called – |
Photosynthesis |
| 15 |
Photosynthesis occurs in – |
Chloroplast |
| 16 |
Which types of light are strongly absorbed by plants? |
Blue and red |
| 17 |
The most active light for photosynthesis is – |
Red light |
| 18 |
Which light is most effective in photosynthesis? |
Red |
| 19 |
What rays of sunlight are mostly utilized by chlorophyll in photosynthesis ? |
Red |
| 20 |
Artificial light can – |
Bring about photosynthesis |
| 21 |
In the process of Photosynthesis, how many molecules of A.T.P. are involved in the synthesis of each molecule of Glucose? |
18 |
| 22 |
Solar energy is converted into ATP in – |
Chloroplast |
| 23 |
Light energy changes into the chemical energy by which of the following process – |
By Photosynthesis |
| 24 |
The sunlight energy used by green plants in photosynthesis is transformed into – |
Chemical Energy |
| 25 |
Which has the maximum efficiency to convert solar energy into chemical energy? |
Chlorella |
| 26 |
Which is not the work of roots? |
Photosynthesis |
| 27 |
Which one of the following does not increase the amount of carbon dioxide in carbon cycle on earth ? |
Photosynthesis |
| 28 |
It is harmful to sleep under a tree at night because the tree releases – |
Carbon Dioxide |
| 29 |
Photosynthesis using the invisible part of the sunlight is done by some – |
Bacteria |
