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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Put a Tick (✓ ) Against the Most Appropriate Alternative in the Following Statement. Which One of the Following is an End-product of Photosynthesis? - Biology

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प्रश्न

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

Which one of the following is an end-product of photosynthesis?

पर्याय

  • Fructose

  • Glucose

  • Cellulose

  • Lactose 

MCQ

उत्तर

Glucose

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Process of Photosynthesis
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पाठ 4: Photosynthesis and Respiration - Review questions

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सेलिना Concise Biology [English] Class 7 ICSE
पाठ 4 Photosynthesis and Respiration
Review questions | Q 1.3

संबंधित प्रश्‍न

Phosphate, RNA, Sugar, Nitrogenous base


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

Stomata are present on the surface of:


Short answer question.

What is the source of energy for photosynthesis?


Given below is the overall chemical equation of photosynthesis which is incomplete in certain respects.

\[\ce{CO2 + H2O  ->[Chlorophyll] C6H12O6 + H2O + O2} \]

Rewrite the equation in its complete form .


Identify the false statements and rewrite them correctly by changing the first or last word only.

Starch produced in a leaf remains stored in it for 2-3 weeks before it is used by other parts of the plant.


A healthy croton plant bearing variegated leaves was kept in a dark cupboard to destarch it after which it was placed in sunlight for a few hours. One of the leaves was then plucked and an outline of the leaf marking the green and the non-green regions was drawn. The leaf was then tested for starch. Using the above information, answer the following questions:

  1. State the aim of the above experiment.
  2. Name the chemical used for testing the presence of starch.
  3. Why is the leaf boiled in water and alcohol before testing for the presence of starch?
  4. What change is seen on the leaf after the starch test?
  5. Give the chemical equation to represent the process of starch formation in plants.

State whether true or false. If false, correct the statement.

Photosynthesis is important in releasing oxygen to keep the atmosphere in balance.


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?


Can the stem of a plant be compared with a street with two-way traffic? Give reason.


Expand the abbreviation - NADP.


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