Q. No.Leaves
(1) Arranged in acropetal manner
(2) Most important reproductive organ in plants
(3) Important for photosynthesis
(4) A typical leaf has three main parts- leaf base, Petiole and lamina
Find the incorrect statement.
(1) Arranged in acropetal manner
(2) Most important reproductive organ in plants
(3) Important for photosynthesis
(4) A typical leaf has three main parts- leaf base, Petiole and lamina
Leaf
(1) Attached to the stem by the leaf base
(2) Always bear two lateral small leaf like structures called stipules
(3) Monocots have small sheath like leaf base which covers the stem wholly
(4) All leguminous plants have swollen leaf base
Which of the following parts of leaf has major role to hold the blade to light?
(1) Lamina
(2) Petiole
(3) Sheath
(4) Stipule
The fluttering of the leaf blade is facilitated by
(1) Swollen pulvinus
(2) Membranous sheath
(3) Long and thin Petiole
(4) Broad lamina
Veins and veinlets are not present in
(1) Lamina
(2) Leaf blade
(3) Leaf broader surface
(4) Leaf base
Midrib is usually not used in
(1) Middle
(2) Prominent vein
(3) A mean to provide rigidity
(4) transport only water, minerals, gases like carbon dioxide and food materials
Which of the following is relatively constant in all dicot leaves?
(1) Shape
(2) Margin, apex and surface
(3) Extent of incision
(4) Venation
The arrangement of veins and the veinlets in the lamina of leaf is termed as
(1) Venation
(2) Vernation
(3) Vernalization
(4) Phyllotaxy
Which of the following is correct?
1. The leaves of all dicot plants show reticulate venation
2. The leaves of all monocot plants show parallel venation
3. The network of veinlets is termed as reticulate venation
4. All of these
Simple leaf
(1) Do not have any incisions
(2) Always intact lamina
(3) Incisions of the lamina reach to midrib
(4) Entire lamina or when incisions do not reach to midrib
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