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प्रश्न
Certain properties are mentioned below. Find a leaf corresponding to the property and describe those plants.
Spines on leaf
उत्तर
Many plants have spines on their leaves. It is a way of protecting themselves from being eaten and destroyed by animals. For example, Acacia and aloe vera.
संबंधित प्रश्न
Fill in the blanks
The primary root is ______at its origin and _____ at the tip.
Fill in the blank
______is an enlarged, roughly spherical-shaped stem storing food.
We eat different parts of various plants. Write the part of the plant that we eat.
Sugar can _________
Short Answer Type Question:
Explain the main functions of leaf.
Short Answer Type Question:
Why do we see dew drops on leaves in the early morning?
Which part of the leaf collects carbon dioxide?
The diameter of the leaf of Victoria amazonica is ______.
______ is the main vein of the lamina of the leaf.
Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? Give reasons for your answer.
Observe the picture of an activity given as Figure carried out with leaves of plants and polythene bag.
Now answer the following.
- Which process is demonstrated in the activity?
- When will this activity show better results on a bright sunny day or a cloudy day?
- What will you observe in the polythene bag after a few hours of setting up the activity?
- Mention any one precaution you must.
