CBSE Class 7 Science Nutrition in plants Worksheet Set C

Download printable Science Class 7 Worksheets in pdf format, CBSE Class 7 Science Nutrition in plants Worksheet Set C has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 7 Assignments and practice them daily to get better marks in tests and exams for Grade 7. Free chapter wise worksheets with answers have been designed by Standard 7 teachers as per latest examination pattern

TOPIC : Nutrition in plants

 
1. Give reasons for each of the following :
 
(a) All living organisms need to take food.
 
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(b) Algae are classified as autotrophs .
 
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(c) Lichens are a good example of symbiosis.
 
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(d) Insectivorous plants are partial heterotrophs.
 
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2. What are the conditions necessary for photosynthesis to take place? How are these fulfilled by the plants?
 
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3. Write the word equation for Photosynthesis.
 
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4. Write two differences between :-
 
(a) Saprophytes and parasites
 
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(b) Photosynthesis and respiration
 
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5. How would you test the presence of starch in leaves?
 
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6. The stomata are surrounded by guard cells. Why?
 
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7. If plants cease to exist today, all other living organisms would also be endangered. Explain why?
 
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8. Rhizobium is a symbiotic bacteria.Explain.
 
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9. Green plants are autotrophs but insectivorous plants are heterotrophs. Give reasons.
 
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10. With the help of a neat labeled diagram describe the structure of an insectivorous plant.


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