HARD
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Match column I with column II and select the correct answer.
Column I Column II
A. Acacia 1. Phylloclade
B. Opuntia 2. Offset
C. Pineapple 3. Phyllode
D. Pistia 4. Sucker

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Important Questions on Morphology of Flowering Plants

EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
In watermelon the spirally coiled stem modifications which help in climbing are developed from
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
In Bougainvillea, thorns are the modifications of:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf

Identify the vegetative propagule 'M' in the following diagram:

Question Image

MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Match the following lists.
  List-I   List-II   List-III
A China Rose i Acropetal succession I Branched peduncle
B Colocasia ii Mesocarp is fleshy II Hypogynous
C Panicle iii Alternative phyllotaxy III Epigynous
D Cucumber iv Neuter flowers IV Corm

The correct match is:

EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Which of the following is not a stem modification?
HARD
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Choose correct statements
I) Trap leaves supply nitrogen to Nepenthes plant
II) Grape vines differ from watermelon by having tendrils developed from axillary bud
III) Balancing roots of Eichornia arise from horizontally growing lateral branches
IV) Gall flowers of Ficus store eggs of Blastophaga
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
An example of edible underground stem is:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Tendrils are modifications of
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Which one of the following is a modified leaf?
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Stems modified into flat green organs performing the functions of leaves are known as:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
In Alstonia the type of Phyllotaxy is:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Leaves become modified into spines in:
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Which one of the following statements is not correct?
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Assertion (A): In Nepenthes leaves are modified to trap insects
Reason (R): Insectivorous plants trap insects for their nitrogen requirement
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The 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:

MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Plants can make their own food.
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Whorled, simple leaves with reticulate venation are present in
HARD
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Explain with suitable examples of the different types of phyllotaxy.
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
How is a pinnately compound leaf different from a palmately compound leaf?
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>The Leaf
Which of the following is the main adaptation for a plant to survive in xerophytic condition?