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Question
Give reasons.
Butterflies have a long tube-like proboscis.
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Solution
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.
RELATED QUESTIONS
Spot the following in the table of vitamins and minerals.
Vitamins/minerals present in milk.
______ provide maximum energy to the body.
Classify according to food-type.
Buffalo
Why do living organisms need nutrition?
Short Answer Type Questions:
What are the functions of proteins?
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 |
Complete the analogy:
Ptyalin : Amylase :: Pepsin : ................. .
Can you give me a name?
Solve the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I am tall but I cannot move. I am green and can prepare my own food. ______, ______
Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.
What do we actually mean when we say that the "enzymes are specific in their action"?
