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प्रश्न
State if the following statement Is true or false. Correct the statement if it is false.
The lamina has a thickened vein along its center called veinlet
विकल्प
False
True
उत्तर
False
Correct Statement: The lamina has a thickened vein along its center called the midrib
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संबंधित प्रश्न
Fill in the blank
The ends of primary or secondary roots have fine hair-like structures, called ________.
Fill in the blank
_________ roots help in absorbing nutrients from the body of the host
Tick the most appropriate answer
Which of the following is not a function of the roots?
Tick the most appropriate answer
Which of the following roots give mechanical support to the plant?
Find the odd one out. Give reason.
Very Short Answer Type Question:
What are the raw materials for photosynthesis?
______ 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 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? .
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.
