Biology
Draw neat diagrams of the following and give an example of each :
(i) A simple leaf.
(ii) A compound leaf with incision upto midrib.
(iii) A compound leaf with incision upto petiole.
(iv) A simple leaf with reticulate venation.
(v) A simple leaf with parallel venation.
Answer
(i) Diagram of simple leaf:
Example — Banyan
(ii) Diagram of compound leaf with incision upto midrib:
Example — Rose
(iii) Diagram of compound leaf with incision upto petiole:
Example — Silk Cotton
(iv) Diagram of a simple leaf with reticulate venation:
Example — Peepal
(v) Diagram of a simple leaf with parallel venation
Example — Banana
Related Questions
Draw a neat diagram of a simple, petiolate leaf showing reticulate venation and label its seven important parts. Answer the following questions:
(i) Write one important function of axillary buds.
(ii) What are the two main function of leaves ?
(iii) Name two plants which have leaves with serrated margins.
(iv) Why do some plants have tendrils (modified leaflets) ?
(v) Name a plant in which the leaves are modified into spines.
The figures given below show three insectivorous plants. Study the same and answer the following questions :
A
B
C
(i) Name the plants shown as A, B and C.
(ii) For which specific nutritional element do these plants trap insects ?
(iii) In which Indian state is plant A found abundantly ?
(iv) Which part of the leaf is modified into a pitcher in plant A ?
(v) Write one specific feature of the soil in which these plants usually grow.
The figures given alongside represent the different kinds of leaf arrangements on the stem. Study the figures and answer the following :
(i) a technical term for the arrangement of leaves on the stem.
(ii) Name the three kinds of arrangements shown in the figure A, B and C respectively.
(iii) Give one example of each kind of arrangement.
Complete the crossword using the clues given below. Check your performance with the correct solutions given at the end of the chapter.
Clues across :
- Plant that bears buds in leaves for propagation.
- The flattened green part of leaf.
- Underground plant part.
- Structure that develops into flower.
Clues down :
- The central big vein of a leaf.
- A modification seen in cactus.