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Define the Following: Organic Food - Biology

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प्रश्न

Define the following:

Organic food

टिप्पणी लिखिए

उत्तर

Organic food - The food that is produced by using methods that do not involve synthetic inputs such as synthetic pesticides and chemical fertilizers is called organic food.

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अध्याय 6: Photosynthesis - Exercise 1 [पृष्ठ ७४]

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फ्रैंक Biology [English] Class 10 ICSE
अध्याय 6 Photosynthesis
Exercise 1 | Q 2.03 | पृष्ठ ७४

संबंधित प्रश्न

The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae


Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 

 Label the parts 1 and 2. 


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.  


The diagram given below represents an experiment to prove the importance of a  factor in photosynthesis. Answer the questions that follow :

 What will you observe in the experimental leaf after the starch test? 


Define the following:

Plant pigments


Why is the upper surface of broad leaves greener than their lower surface?

Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.


Fill in the blanks:
The end products of photosynthesis are ______ and ______.


A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to


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

Immediate product of photosynthesis is glucose.


Name the molecules which are called assimilatory power? Why are they called so?


Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.


Give technical term:

What is the percentage of CO2 in the air?


Complete the following sentence with appropriate word:

A light reaction is a ___________ reaction.


______ is positively hydrotropic as well as positively geotropic.


Where does the carbon that is used in photosynthesis come from?


Name the minute openings seen on the lower surface of the leaf.


Label the diagram with the raw materials and products of photosynthesis.


Guard cells of stomata are green but cannot photosynthesize? Give reason.


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.


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