Which of the following is a modified stem for the protection of plants from browsing animals?

Which of the followig is not a modified stem ?

Which of the following is a modified green stem

Which of the following is a modified green stem?

_____ protect the plants from browsing animals.

Among the following this Is modified stem

which of the following modification of stem protects the plant from following animals and reduces transpiration?

Which of the following plants show adaptations in stem for protection