Root MCQ

Test your knowledge with important Root MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Root MCQs at Bissoy

• Which among the following is incorrect about climbing roots?
  ক

  These roots originate from nodes or internodes

  খ

  They help plant climb on the surface

  গ

  These roots secrete sticky substances that help the plants to stick on the walls

  ঘ

  Climbing roots help in anchoring the plant to the soil
• Which among the following is incorrect about roots in banyan tree?
  ক

  Banyan roots have adventitious roots called prop roots that provide them with additional support

  খ

  Prop roots are also called as climbing roots

  গ

  Prop roots on meeting the soil form secondary and tertiary roots

  ঘ

  Initially these start as tiny outgrowth on the branches and become woody and large
• Which among the following is incorrect about importance of root system?
  ক

  Root system helps in absorption of water and minerals from soil

  খ

  In plants like mangroves, breathing roots called pneumatophores are present

  গ

  Pneumatophores grow vertically upwards and exchange gases through lenticels

  ঘ

  Plants that grow tall derive their additional mechanical support by sending pillar like woody roots called stilt roots
• Which among the following statements is incorrect?
  ক

  In trapa, roots help in performing photosynthesis

  খ

  In few aquatic plants, roots are modified into spongy structure help in floating by maintaining buoyancy

  গ

  In parasitic plants, haustorial roots penetrate into host to derive nutrition

  ঘ

  Floating roots are present in cuscuta
• Which among the following is incorrect about modification in roots for mechanical support?
  ক

  Prop roots are those that originate from aerial branches

  খ

  Prop roots are also called hanging roots

  গ

  Those roots that originate from stem base that grow obliquely and penetrate into the soil are called stilt roots

  ঘ

  Stilt roots are present in beetle
• Roots in few huge trees are modifies to provide mechanical support.
  ক

  True

  খ

  False
• Which among the following is not correct about modifications of roots to facilitate respiration?
  ক

  In some plants that grow in marshy areas, roots are modified to facilitate respiration

  খ

  Pneumatophores are specialized breathing roots that help in respiration of plant that grows in marshy areas

  গ

  Breathing roots are present in mango

  ঘ

  Exchange of gases occur through lenticels in pneumatophores
• Which among the following is incorrect about modifications in adventitious roots for food storage?
  ক

  Tuberous roots are those roots that are swollen and don’t have any specific shape

  খ

  Tuberous roots are found in plants like sweet potato

  গ

  Slender roots with swollen apex are found in Dahlia

  ঘ

  Fasciculated roots are those that have tubercles at the stem base
• Which among the following is incorrect about modifications of roots with respect to food storage?
  ক

  Most of the times, tap roots become swollen to store food

  খ

  Radish adopts napiform to store food

  গ

  Napiform is found in turnip and the root is spherical in the top and tapers in the bottom

  ঘ

  If the root is swollen in the middle and those that tapers on both the sides are called fusiform roots
• Modification is necessary for plants to ensure that few specific functions other than water and mineral absorption.
  ক

  True

  খ

  False