Advertisements
Advertisements
Question
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?
Advertisements
Solution
- The leaf has reticulate venation. In reticulate venation, veins form a network.
- In grass leaves, parallel venation is seen. In parallel venation, the veins run parallel to one another.
APPEARS IN
RELATED QUESTIONS
Write the two main functions of leaves
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 blanks
Fibrous roots are found in ________ and __________
Fill in the blanks
The primary root is ______at its origin and _____ at the tip.
State if the following statement Is true or false. Correct the statement if it is false.
The node is the part of the stem between two internodes.
State if the following statement Is true or false. Correct the statement if it is false.
A stamen has a long stalk called style.
State the functions of the following.
Stem tendril
Short Answer Type Question:
Leaves need oxygen and carbon-dioxide (for photosynthesis). How do they get these gases?
Differentiate between Gymnosperm and Angiosperm.
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 take while performing this activity.
