MCQ
What is the common function of cortex
  • A
    Mechanical strength and storage
  • Storage and origin of extra – stelar cambium
  • C
    Mechanical strength and origin of extra– stelar cambium
  • D
    Protection and support

Answer

Correct option: B.
Storage and origin of extra – stelar cambium
b
It’s obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The total energy fixed by a gram plant (Cicer arietinum) in an ecosystem on the whole is called
Warm and humid condition is most favourable for the growth of
Mark the given statements True (T) or False (F).
(i) In majority of the dicotyledonous plants, the direct elongation of the radical leads to the formation of secondary root which grows inside the soil.
(ii) In monocotyledonous plants, the primary root is short lived and is replaced by a large number of roots.
(iii) In some plants like grass, Monstera and banyan tree, roots arises from parts of the plant other than the radical and are called adventitious roots.
(iv) Roots hairs are present in region of elongation.
(v) The zone proximal to region of elongation is called the region of maturation.
(vi) Tap roots of carrot, turnip and adventitious roots of sweet potato, get swollen and store food.
(vii) Hanging structure that support a banyan tree are called stilt roots.
(viii) The stems of maize and sugarcane have supporting roots coming out of the upper nodes of the stem are called stilt roots.
(ix) In some plants such as Rhizophora growing in swampy areas, many roots come out of the ground and grow vertically upwards. Such roots are called pneumatophores and help to get oxygen for respiration.
(x) The regions of the stem where leaves are born are called nodes.
(xi) Underground stems of Zaminkand, Colocasia are modified to store food in them.
(xii) Tendrils which develop from axillary buds, are slender and spirally coiled and help plants to climb.
(xiii) A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in terrestial plants like pistia and eichhornia.
(xiv) Leaves originate from shoot apical meristems and are arranged in an acropetal order.
(xv) A typical leaf consists of three main parts: leaf base, petiole and lamina
Choose the correct option given below :-
Which one is not an ethylene effect?
Activity of succinic dehydrogenase involves the following in $TCA$ cycle
The endosperm in angiosperms is formed
Spirogyra cells contain
What is the first step in the Southern blot technique ?
The first clinical gene therapy was given for treating
During interphase, $RNA$ and proteins are synthesized in