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प्रश्न
Give technical term:
Which process is the ultimate source of energy for all living organisms?
उत्तर
Photosynthesis
APPEARS IN
संबंधित प्रश्न
Cochlea, Malleus, Pinna, Stapes, Incus.
The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
State the main functions of the following:
Medulla Oblongata
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
A variegated leaf (one that has white as well as green patches) will only photosynthesize in the green areas.
The production of starch, and not glucose, is often used as a measure of photosynthesis in leaves because
During photosynthesis, the oxygen in glucose comes from
Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
What aspect of photosynthesis was being investigated?
What is the importance of photosynthesis in the life of the following:
Non-green plants
How do non-green plants such as fungi and bacteria obtain their nourishment?
Explain the Term Free Energy.
Name the following:
Source of oxygen given out in photosynthesis.
Give technical term:
The main reaction which means the breaking up of water molecules through light.
Fill in the blank by rearranging the letter in the bracket.
Pigment involved in the food synthesis is _________ (phllylochor).
During photosynthesis, ________ is produced and stored in the leaf.
What will happen if we remove plants from the aquarium?
Mesophyll contains chlorophyll.
Study the diagram given below and fill in the blanks with suitable words:
In order to prove that carbon dioxide is necessary for
(a) ______, a potted plant is placed in dark for 48 hours to (b) ______ the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) ______ from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) ______, whereas the part of the left outside turns (e) ______ in colour.
