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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Put a Tick (✓ ) Against the Most Appropriate Alternative in the Following Statement. Carbohydrates Are Stored by Plants in the Form Of:

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प्रश्न

Put a tick (✓ ) against the most appropriate alternative in the following statement.

Carbohydrates are stored by plants in the form of:

विकल्प

  • Vitamins

  • Proteins

  • Fats

  • Glucose

MCQ
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उत्तर

Glucose

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अध्याय 4: Photosynthesis and Respiration - Review questions

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सेलिना Concise Biology [English] Class 7 ICSE
अध्याय 4 Photosynthesis and Respiration
Review questions | Q 1.1

संबंधित प्रश्न

The solvent used to dissolve the chlorophyll pigments while testing a leaf for starch is Soda lime.


Phosphate, RNA, Sugar, Nitrogenous base


Describe an experiment to prove that sunlight is necessary for photosynthesis.


(i) Fill in the blanks in the following equations of two chemical reactions:

(a) \[\ce{---+12H2O->[Light energy]C6H12O6 + --- + ----}\]

(b) \[\ce{--- 6O2->[Chlorophyll] 6 --- +6 ---- + Energy}\]

(ii) Name the two processes represented by the above two reactions. 

(iii) State any two differences in these processes other than those already indicated in the reactions. 

(iv) Which one of these two reactions is the supporter of all life on earth? 


A potted destarched plant was taken in order to prove that light is necessary for photosynthesis.
(i) What is meant by 'destarched plant'? How can it be destarched?
(ii) Using the destarched plant describe step by step how you would proceed to prove that in the absence of light the leaf cannot manufacture starch.


Using the destarched plant describe step by step how would you proceed to prove that in the absence of light the leaf cannot manufacture starch?


Define Photosynthesis.


How does the light-dependent reaction differ from the light-independent reaction? What are the end product and reactants in each? Where does each reaction occur within the chloroplast?


The reactions of photosynthesis make up a biochemical pathway.

Explain how the biochemical pathway of photosynthesis recycles many of its own reactions and identify the recycled reactants.


______ food is made in their green stems.


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