Question

Which among the following is not a distinguishing feature of stem :
1) Presence of two types of buds
2) Axis is differentiated into nodes and internodes
3) Presence of mechanical tissue
4) Sub-apical position of apical bud​

Answer 1

Answer:

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Answer 2

Option (4) is the correct answer

Sub-apical position of apical bud​  is not a distinguishing feature of stem.

Explanation:

Characteristics of Stem include following points :-

(i) They arises as a prolongation of plumule that is  from one end of an embryo to the other.

(ii) Stems grows and bends towards light positively photo generated side and are away from gravity.

(iii)  They are divided into nodes and internodes where nodes are point of attachment of leaf and internodes  are regions between two nodes.

(iv) Stems bears buds, leaves, branches and flowers on nodes.

(v) It consists of vegetative buds which are terminal, apical bud for plant which helps to grow upwards and axillary bud which is at the axil of leaf where lateral branches tends to grow.

(vi) Stems helps to bears floral buds that may grow into flowers.

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