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Question
Fill in the blanks of the paragraph given below with the words provided in the box.
| chlorophyll, energy, food, carbon dioxide, water, photosynthesis |
Leaves have a green pigment called ___(a)___ which captures ___(b)___ from sunlight. This ___(c)___ is used in the process of ___(d)___ and along with other raw materials like ___(e)___ and ___(f)___ synthesize ___(f)___.
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Solution
Leaves have a green pigment called (a) chlorophyll which captures (b) energy from sunlight. This (c) energy is used in the process of (d) photosynthesis and along with other raw materials like (e) carbon dioxide and (f) water synthesize (g) food.
Notes
A word can be used more than once.
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The nutrient required in trace amounts to accomplish various body functions is ______.
In the absence of which of the following will photosynthesis not occur in leaves?
Which of the following statements is/are correct?
- All green plants can prepare their own food.
- Most animals are autotrophs.
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Choose the correct answer from the options below:
‘Water does not provide nutrients, yet it is an important component of food’. Explain.
Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in the centres. Cover a part of two leaves with these papers and secure them with paper clips Figure. Keep the plant in sunlight for 2–5 days. Observe the difference in the colour of the covered and the uncovered portions on the leaf. Perform iodine test on this leaf. Did the two parts show different results? Now take second leaf. Remove the strip and expose the covered part to the sunlight for 2–3 days and do the iodine test again. Describe your observations.

