Advertisements
Advertisements
प्रश्न
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
- Name the phenomenon represented.
- Name any one organism that could be shown at No. 5.
- Name the biological process which was the starting point of the whole chain.
- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
Advertisements
उत्तर
- Food chain
- Hawk
- Photosynthesis
- Energy
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
Land plants obtain their carbon dioxide from the ______.
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Cuticle.
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
Chloroplasts are called energy converters.
Differentiate Between:
Light reaction and Dark reaction.
Name the following:
The site of light reaction in the cell of a leaf.
Name the following:
Light in which the maximum rate of photosynthesis takes place.
Give technical term:
Name only one plant, you are familiar with which has no chlorophyll.
Which of the following is used to remove chlorophyll from the leaves?
Given below is the diagram of an experimental set-up (final stage). Study the same and answer the following questions:
- What is the main aim of the experiment?
- Oxygen gas shown in the experiment is released from which of the raw materials?
- How would you confirm the presence of oxygen gas?
- Name the chemical substance which can be added in water to enhance the process/rate of release of oxygen gas.
- Draw a neat and labelled diagram of the same experiment for its initial stage.
