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List the types of leaf base found in the plants.

Important Questions on Morphology of Flowering Plants

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Assertion (A): In Nepenthes leaves are modified to trap insects
Reason (R): Insectivorous plants trap insects for their nitrogen requirement
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Consider the following morphological biochemical or physiological characteristics of plants.

i. Presence of hairy leaves ii. Production of more nectar is flower
iii.. High sugar content in plant parts iv. Presence of higher aspartic acid concentration.

Choose the correct combination of statements which give natural resistance to plants against insect pests:

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Which of the following is not a stem modification?
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Which one of the following is a modified leaf?
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
In Alstonia the type of Phyllotaxy is:
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Leaves become modified into spines in:
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Leaf base is sheathing in
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Study the following lists:

  List-I   List-II
A Entire leaf modified into a spine (I) Clematis
B Leaf except stipules modified into a tendril (II) Citrus
C Stipules modified into a tendril (III) Euphorbia
D First leaf of axillary bud modified into a spine (IV) Lathyrus
    (V) Smilax

The correct match is

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
In a sessile leaf, the base of leaf lamina is attached to the petiole.
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Label the parts X and Y in the given image.

Question Image

 

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Leaf tendril is not seen in
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
The presence of sheathing leaf base covering the stem partially or wholly is the characteristic of certain
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
In bananas, the true stem is underground. The stem-like structure outside soil is formed by:
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
What is sheathing leaf base.
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Which part of leaf is sensitive to sleep and shock movements?
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Leaf base is present above the petiole.
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

The leaf base is swollen to form __A__ in some __B__.

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
What is pulvinus?
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
In some _______, the leaf base may become swollen and is called as _______.
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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf
Explain the function of leaf base.