WORKSHEET-I CLASS-VII
NUTRITION IN PLANTS1. 
I. WORDCHOP

The table below contains words chopped in half. Find the words with the help of clues
given below.
VITA                OXY                  TION              SYNTHESIS             PHYLL
AUTO             NUTRI                GLU                MINS                        TROPH
COSE               CHLORO           RCH                 IOD                             GEN
NUTRI              PHOTO            ENTS                 INE                              STA
Clues:
1. The process of intake of food and its proper utilisation
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2. Component of food that provides energy
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3. An organism that can prepare its own food
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4. The process by which green plants prepare their own food
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5. Component of food that protects against diseases
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6. Gas released in photosynthesis
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7. Green pigment in plants that absorbs sunlight
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8. Food is produced in this form during photosynthesis
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9. Food is stored in this form in different parts of the plant
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10. This solution is used to test the presence of starch
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II. Tick (✓) the correct answer.

a. Which of the following is not present in carbohydrates?
i. Hydrogen       ii. Nitrogen        iii. Oxygen        iv. Carbon 

b. Plants obtain nitrogen from
i. air                   ii. water               iii. soil              iv. all of theses

c. Organisms that cannot prepare their own food from simple inorganic materials are
called
i. heterotrophs  ii. autotrophs           iii. producers                        iv. green plants

d. A ___________ plant lives on and derives nutrition from another plant.
i. host                       ii. parasitic                     iii. live                           iv. dead

e. The flower of Rafflesia weighs approximately
i. 10 kg                      ii. 100 kg                               iii. 1000 kg                    iv. 1 kg

f. A pale yellow twining often seen on treetops is
i. Rafflesia                  ii. Mistletoe                       iii. Bladderwort              iv. Cuscuta

III .State whether the following statements are TRUE or FALSE. Correct the false statements.

a. Photosynthesis can take place in the absence of sunlight.
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b. To destarch a plant, we keep it in sunlight for 2–3 days.
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c. Chlorophyll is present in chloroplast.
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d. Guard cells control the opening and closing of chloroplasts.
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e. Water and minerals are transported to upper parts of the plant from roots by root hair.
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