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प्रश्न
Give reasons.
Butterflies have a long tube-like proboscis.
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उत्तर
Butterflies have a long tube like proboscis which is a straw-like structure which enables them to drink juices and nectar. It is coiled-up like a garden hose when it is not in use.
संबंधित प्रश्न
Name the sources of the following:
Cellulose
Pulses are a very good source of ______.
Match the following.
| Column A | Column B | ||
| (1) | Fats | (a) | Jowar |
| (2) | Proteins | (b) | Oil |
| (3) | Vitamins | (c) | Bran of cereals |
| (4) | Minerals | (d) | Pulses |
| (5) | Starchy foods | (e) | Iron |
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 |
Organisms that prepare food for themselves using simple naturally available raw materials are referred to as ______.
Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?
Unscramble the following word related to component of food and write it in the space provided.
nitesturn - ______
______ is stored in our liver and muscles.
What do we actually mean when we say that the "enzymes are specific in their action"?
Try growing a sweet potato just in water. Describe your experiment and observations.
