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प्रश्न
Observe the diagram given as Figure and label the following terms given in the box.
| stomatal opening, guard cell |
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उत्तर
The labelled diagram is as follows:
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संबंधित प्रश्न
Name the sources of the following:
Lactose
______ provide maximum energy to the body.
Classify according to food-type.
Human
Why do living organisms need nutrition?
Match the Column I with Column II and choose the correct option.
| Column I (Food componets) | Column II (Gross calorific value) | ||
| i. | Proteins | a. | 9.45 Kcal/g |
| ii. | Carbohy drates | b. | 4.1 Kcal/g |
| iii. | Fats | c. | 5.65 Kcal/g |
Explain the process of nutrition in Amoeba.
Which of the following raw material is available in the air for photosynthesis?
‘Water does not provide nutrients, yet it is an important component of food’. Explain.
______ is stored in our liver and muscles.
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.
