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Morphology of Plant Roots

Description: proteins
Number of Questions: 15
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Tags: nodulose tuberous adventitious root tap root Structural Organisation in Animals and Plants Biology
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What secondary function do orchid roots perform?

  1. Storage of food

  2. Assimilation of food

  3. Respiration

  4. Translocation of organic nutrients


Correct Option: B
Explanation:

Orchid roots perform the function of food manufacture after greening.

Which plant has tap root system as one of its characteristic features?

  1. Sugarcane

  2. Bamboo

  3. Mustard

  4. Grass


Correct Option: C
Explanation:

Mustard is a dicot and has tap root system as a characteristic feature.

What are the pores through which Halophytes exchange gases called?

  1. Pneumatophores

  2. Lenticels

  3. Calyptra

  4. Rhizodermis


Correct Option: B
Explanation:

The air pores through which gaseous exchange takes place are called Lenticels

In which plant fusiform root is found?

  1. Carrot

  2. Radish

  3. Turnip

  4. Sweet potato


Correct Option: B
Explanation:

Fusiform roots are found in Radish.

What are the roots which are thick and fleshy and do not maintain any definite shape called?

  1. Napiform roots

  2. Conical roots

  3. Tuberous roots

  4. Fusiform roots


Correct Option: C
Explanation:

The roots which are thick and fleshy and do not maintain any definite shape are called tuberous roots

The roots of which of the following plants functions in respiration?

  1. Pistia

  2. Orchids

  3. Rhizophora

  4. Cuscuta


Correct Option: C
Explanation:

Rhizophora grows in marshy areas and its roots are modified to perform respiratory functions.

What kind of root is present in sweet potato?

  1. Tuberous tap root

  2. Tuberous adventitious root

  3. Annulated adventitious root

  4. Nodulose roots


Correct Option: B
Explanation:

Sweet potato possesses tuberous adventitious root.

What are the roots having series of ring like swellings called?

  1. Beaded roots

  2. Annulated roots

  3. Fasciculated roots

  4. Nodulose roots


Correct Option: B
Explanation:

Annulated roots have a series of ring like swellings.

In which of the following plants are fibrous roots found?

  1. Mango

  2. Wheat

  3. Banyan tree

  4. Gram


Correct Option: B
Explanation:

Wheat is a monocot plant and possesses fibrous roots.

Which of the following plants have conical roots?

  1. Raphanus sativus

  2. Daucus carota

  3. Brassica rapa

  4. Mirabilis jalapa


Correct Option: B
Explanation:

Daucus carota have conical roots.

What is an adventitious root with beaded appearance called?

  1. Fasciculated roots

  2. Nodulose roots

  3. Tuberous roots

  4. Moniliform roots


Correct Option: D
Explanation:

An adventitious root with beaded appearance is called Moniliform root

What kind of root is beet root?

  1. Conical root

  2. Tuberous root

  3. Napiform root

  4. Fusiform root


Correct Option: C
Explanation:

Beet root is a napiform root

Pick out the wrong match from the following

  1. Vegetative reproduction-Bryophyllum

  2. Symbiosis-Rhizobium

  3. Hygroscopic-Somneratia

  4. Floating and Balancing-Pistia


Correct Option: C
Explanation:

Somneratia roots are not modified to perform hygroscopic function. They perform respiratory function.

What are the plants which bears pneumatophores called?

  1. Saprophytes

  2. Halophytes

  3. Acrophyte

  4. Pterophyte


Correct Option: B
Explanation:

Plants which bears pneumatophores are called Halophytes

In which of the following plants are fasciculated roots found?

  1. Turmeric

  2. Sweet potato

  3. Dahlia

  4. Grapes


Correct Option: C
Explanation:

Fasciculated roots are found in Dahlia.

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