Nutrition in Plants (Practice Sheet,Class 7)

(1) What are autotrophs?

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(2) What are stomatas?

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(3) What is photosynthesis?

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(4) What is saprotrophic nutrition?

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(5) Define host plant?

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(6) Fill in the blanks:

(i)____________take readymade food prepared by the plants.

(ii)___________ is the ultimate source of energy for all living organisims.

(iii)________________ bacteria take atmospheric nitrogen and convert it into a soluble form.

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(7) Name the following:

(i)An insectivorous plant.

(ii) A parasite plant.

(iii) A saprotrophs.

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(8) Mark T if the statement is true and F if it is false:

(i)Plants also use the heterotrophic mode of nutrition.

(ii)Algae cannot prepare their food.

(iii)Stomatas are surrounded by Guard cell.

Solution-

(9) Match the following:

Column I                                                         Column II

(i)Bacteria                                                       Stomata

(ii)Pores                                                          Chlorophyll

(iii)Pigment                                                    Rhizobium

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(10) How would you test the presence of starch in leaves?

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Helping Topics

Nutrition in plants

NCERT solutions, class 7

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