Advertisements
Advertisements
प्रश्न
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Explain the process of Photosynthesis.
उत्तर
Photosynthesis is a biochemical process by which green plants synthesises simple sugar in the presence of sunlight and chlorophyll using CO2 from the atmosphere and water from the soil.
APPEARS IN
संबंधित प्रश्न
the exact location of the Thylakoids
Expand the following biological abbreviations: ATP
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is Thigmotropism? Give one example.
Mention two ways in which photosynthesis is useful to life.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
The raw materials for photosynthesis include water and carbon dioxide.
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
Name the following:
The category of organisms that prepare their own food from basic raw materials.
Are the following statement true or false? Give a reason in support of your answer.
The rate of photosynthesis continues to rise as long as the intensity of light rises.
What is the importance of photosynthesis in the life of the following:
Green plants
The figure below represents the vertical section of a leaf:
(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.
Give technical term:
Organisms which cannot prepare their own food by photosynthesis.
Give technical term:
What does NADP stand for?
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Fill in the blank by rearranging the letter in the bracket.
During photosynthesis plants releases _________ (egxyno).
What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?
The raw materials for photosynthesis are ______ and ______.
Draw the structure of the stomata and label the parts.
