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प्रश्न
State the functions of the following.
Leaf spines
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उत्तर
The functions of Leaf spines: They help to reduce the loss of water by transpiration. They also help to protect the plant from the grazing animals, e.g. Cactus, Mexican poppy.
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संबंधित प्रश्न
Give an example of the following and draw generalized diagram for the same:
Parallel venation and reticular venation
Complete the crossword using the clues given below. Check your performance with the correct solutions given below
Clues across:
1. The plant that bears buds in leaves for propagation.
2. The flattened green part of the leaf.
3. Underground plant part.
4. The structure that develops into flower.
Clues down:
5. The central big vein of a leaf.
6. A modification seen in cactus.
Fill in the blank
_________ roots help in absorbing nutrients from the body of the host
State if the following statement Is true or false. Correct the statement if it is false.
In an alternate arrangement, a set of three or more leaves grows from the same node
Tick the most appropriate answer.
The calyx consists of –
We eat different parts of various plants. Write the part of the plant that we eat.
Mint _________
We eat different parts of various plants. Write the part of the plant that we eat.
Groundnut _________
Short Answer Type Question:
Explain the structure of a leaf with the help of a labelled diagram.
Long Answer Type Question:
What do you mean by leaf venation? Explain various types of leaf venation with example.
Observe figure and attempt the questions that follow it.
- Label the parts 1, 2, 3 and 4 in the diagram.
- What type of venation does the leaf has?
- What type of venation is seen in grass leaves?
