Stem Modifications
Stem Modifications
Stem :
The stem is the plant axis that bears shoots, leaves, buds and flowers. Stems get modified based on the requirements of the environment . It can modify to store food, to protect plant from animals and for the storage of food etc.
Stem Type
There are generally three types of stems according to the condition of the land.
(i) Aerial Stems :- When the entire part of the stem of above the ground, such stem is called pneumatic stem, this type of stem has branches, leaves, flowers and fruits.
(ii) Sub - aerial Stems :- When some part of the stem is inside the ground and some part is outside the ground, then such stem is called semi - pneumatic stem.
Find the odd out | |||
| Right Option : C | |||
| View Explanation |
Which of the following are correct : (a) In climbing plants, stems are modified into tendrils which twine around the support. (b) In some plants like cactus and jade, stems become fleshy and succulent to store water. | |||
| Right Option : C | |||
| View Explanation | |||
In plants of gourd and cucurbita, some thread like structures arise from the stem that helps the plants to climb. These structures are called ________________________ | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [10]
A marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
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