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Which of the following statements about the haustorial (parasitic) roots of Cuscuta is correct?

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Important Questions on Morphology of Flowering Plants

MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Match the following plants with their modified roots ?
  Column - I   Column - II
(a) Vanda (i) Pneumatophores
(b) Rhizophora (ii) Chlorophyllous
(c) Viscum (iii) Nodular roots
(d) Taeniopliyllum (iv) Haustorial roots
    (v) Velamen roots
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
General function of the root system is absorption and conduction of water and minerals besides anchoring. But in this case the roots are fibrous and become swollen due to storage of food. Indicate the plant:
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Indicate the correct statement from the following
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root

Identify A, B and C in the given diagram of the regions of root tip?

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EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Root hairs develop from the region of
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Which of the following statements are correct about all the four types of modifications: potato, ginger, carrot and sweet potato?
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Pneumatophores occur in:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Pneumatophores are found in the following roots of Rhizophora plant.
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Plants which produce characteristic pneumatophores and show vivipary belong to:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
The roots that originate from the base of the stem are
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Identify the correct set of statements :
(a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea
(b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin
(c) Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves
(d) Rhizophora shows vertically upward growing roots that help to get oxygen for respiration
(e) Subaerially growing stems in grasses and strawberry help in vegetative propagation
Choose the correct answer from the options given below:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Sweet potato is a modified
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Identify the formation of the prop roots, stilt roots and pneumatophores, respectively:
A) Vertically growing upwards
B) Roots coming out of the lower nodes of the stem
C) Roots developing into vascular tissue of the host
D) Hanging roots from the branches
E) Roots that help in absorption of moisture
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Potato and sweet potato
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Select the correct statements:
(A) From the region of elongation, some of the epidermal cells form root hairs.
(B) Pneumatophores are seen in Rhizophora.
(C) Adventitious roots are seen in the banyan tree.
(D) Maize and sugarcane have prop roots.
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Give examples of plants showing vegetative propagation by modified roots.
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
All of the following are adventitious roots that perform a vital function, except
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
Identify the type of root given in the figure, from the given options.

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MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Root
All are examples of edible underground tap root, except