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In some, the leaf base may became swolle...

In some_______, the leaf base may became swollen and is called as ________.

A

monocots,sheathing leaf base

B

legumes, pulvinus

C

legumes, sheathing leaf base

D

monocots,pulvinus

Text Solution

Verified by Experts

The correct Answer is:
B
In many legumes, leaf base is swollen, it is known as pulvinus. It is responsible for sleep and shock movements of certain leaves, e.g., Mirmosa pudica.
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Explore conceptually related problems

Select the CORRECT statements from the following : (P) In monocots , leaf base expands into sheath covering the stem partially or wholly (Q) In all leguminous plants, the leaf base may become swollen , which is called the pulvinus (R) The lamina or leaf blade bis green expanded part of the leaf with vein and veinlets (S) veins provide rigidity to leaf blade

The leaf base may bear two lateral small structures called

Knowledge Check

  • A swollen leaf base is called

    A
    Pulvinus
    B
    Amplexicaul
    C
    Windge
    D
    Sheathing leaf base.

  • Fill in the blanks : a. In …1…, the leaf base expands into a …2.. Covering the stem partially or wholly b. In some …3.. Plants, the leafbase may become swollen, which is called …4…

    A
    1-monocotyledons, 2-sheath, 3-leguminous, 4-pulvinus
    B
    1-leguminous ,2 sheath, 3-monocotyledons, 4-pulvinus
    C
    1-monocotyledons, 2-pulvinus,3-legumninous, 4-sheath
    D
    1-leguminous,2-pulvinus, 3-monocotyledons, 4-sheath

  • Consider the statement given below and choose the option reperseing all correct statement I The veins provide rigidilty to the leaf lamina II Leaf bears a bud in its axil III in polygonum leaf base may become swollen and is called pulvinus IV leaf takes it origin form root opical meristem Choose the correct option

    A
    only I
    B
    II III and IV
    C
    I II and III
    D
    all of these

    • Similar Questions

    Explore conceptually related problems

    Statement-A : In some leguminous plants, the leaf base swells and is called pulvinus. Statement-B : Pulvinus produces a cooling effect in the leaves by bringing fresh air to the leaf surface.

    Ground tissue system of leaf is called

    Assertion:In some leguminous plant, the leaf base is swollen. Reason:The swollen leaf base is called pulvinus.

    Swollen leaf base found in leguminous plants is called

    Ribosome may also be called

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