Photosynthesis
Trending Questions
What is the end product of photosynthesis?
- combustion & galvanisation
- ozonolysis & combustion
- respiration & combustion
- photosynthesis & respiration
- Oxygen
- Nitrogen
- Carbon dioxide
- Carbon monoxide
What may happen on the earth in the absence of photosynthesis?
- circulation
- breathing
- photosynthesis
- respiration
Which of the following is released during photosynthesis?
oxygen
carbon dioxide.
light
energy
The gas present in the atmosphere which is essential for respiration of plants is
Plants don't breath.
Oxygen
Carbon dioxide
Nitrogen
________ gas is also known as the inactive component of air.
In which of the following processes do plants require carbon dioxide?
Growth
Photosynthesis
Transpiration
Reproduction
Leaves give out oxygen during photosynthesis.
- True
- False
- True
- False
Plants can carry out photosynthesis without carbon dioxide.
- True
- False
The component of air used by green plants to make their food is
Sulphur dioxide
Carbon dioxide
Nitrogen
Oxygen
Why was the apparatus holding the plant covered with a dark cloth in this experiment?
to decrease the temperature
to make the plant produce more food
to stop photosynthesis completely
just to improve the aesthetics
- Food synthesis
- Respiration
- Photosynthesis
- Transpiration
______ is the most abundant gas in the atmosphere and makes up 78% of the air.
Why should we cover the bell jar with a black cloth during the experiment?
- Photosynthesis
- Respiration
- Transpiration
- Digestion
- xanthophyll
- chlorophyll
- hemoglobin
- False
- True
Which gas is produced by the plants during the process of photosynthesis?
Nitrogen
Carbon dioxide
Carbon monoxide
Oxygen
Make sentences using the given set of words.
(a) 99%, oxygen, nitrogen, air, together
(2)Make sentences using the given set of words.
(b) Respiration, dissolved, animals, air, aquatic
(3)Make sentences using the given set of words.
(c) Air, wind, motion, called
- Nitrogen
- Oxygen
- Carbon dioxide
- Sulphur dioxide
- Photosynthesis
- Transportation
- Growth
- Reproduction
Name the constituent of air which is essential for photosynthesis.
Fruits are obtained from ______.
plants
animals
dead matter
None of these