MCQ
Stomata are the component of
- ✓Epidermal tissue system
- BGround tissue system
- CConducting tissue system
- DVascular tissue system
✓
Answer
Correct option: A.
Epidermal tissue system
a
Epidermal tissue system includes $\rightarrow$ Epidermis, stomata, lenticels, trichomes
While ground tissue system includes all tissues excluding vascular tissue system and epidermal tissue system.
Vascular tissue system includes xylem and phloem.
Epidermal tissue system includes $\rightarrow$ Epidermis, stomata, lenticels, trichomes
While ground tissue system includes all tissues excluding vascular tissue system and epidermal tissue system.
Vascular tissue system includes xylem and phloem.
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(i) In monocotyledons, the leaf base expands into a sheath covering the stem partially or wholly
(ii) In some monocotyledons plants the leaf base may become swollen, which is called the pulvinus.
(iii) Veins provide rigidity to the leaf blade and act as channels of transport for water, minerals and food materials.
(iv) The arrangement of veins and veinlets in the lamina of leaf is termed as venation.
(v) Leaves of dicotyledonous plants generally possess reticulate venation, while parallel venation is the characteristic of all monocotyledons.
(vi) When the incision of the lamina reach up to the midrib breaking it into a number of leaflets, the leaf is called compound.
(vii) In palmately compound leaf a number of leaflets are present on a common axis, the rachis, which represent the midrib of leaf.
(viii) In pinnately compound leaves, the leaflets are attached at a common point, i.e., at the tip of petiole, as in silk cotton.
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(x) In cymose type of inflorescence the main axis terminates in a flower.
(xi) The flowers are borne in a Acropetal order in cymose inflorescence.
(xii) In lily, the calyx and corolla are not distinct and are termed as perianth.
(xiii) When a flower can be divided into two equal halves in any radial plane passing through the centre, it is said to be actinomorphic.
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