The tunica-corpus theory was proposed by

Cambium is present in between

I. Fat

II. Protein

III. Sugar

IV. Salt

Which of the above is/are present in higher concentration with the meristematic cells?

The histogens are classified on the basis of

In a flowering plant, the transition from vegetative growth to reproductive growth involves the conversion of the:

(a) Root apical meristem to floral meristem

(b) Axillary buds to floral buds

(c) Shoot apical meristem to floral meristem

(d) Leaf primordia to floral appendages

A branch or a flower develops in the axil of the leaves by the activity of

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : The shoot apical meristem transforms into the floral meristem, giving rise to a flower, a modified shoot.

Reason R : The condensed internodes of the shoot give rise to various floral appendages laterally at successive nodes, replacing leaves.

In the light of the above statements, choose the correct answer from the options given below :

Which tissue is responsible for the primary growth of plants, increasing their length and girth?

Example of secondary meristem is

The spongy petiole of Eichhornia contains which simple tissue?

Meristamatic tissue helps in the