Morphology of Flowering Plants MCQ Biology Class 11

Morphology of Flowering plants MCQ/Objective questions Biology Class 11 Chapter 5

1. Radicle in most dicots form _ _ _ _ _ while plumule forms _ _ _ _ _.

  • a. Primary root, Stem.
  • b. Stem, leaves.
  • c. Leaves, stem.
  • d. Stem, Primary root.
a

2. We can see short lived primary root in:

  • a. Gymnosperms.
  • b. Dicots.
  • c. Monocots.
  • d. None.
c
Moncots have fibrous root system. Their primary root is short lived and give way to fibrous roots

3. Adventitious root may arise from

  • a. Rhizome.
  • b. Leave.
  • c. Stem
  • d. Any of the above.
d
Root that orginate from any place other than radicle are said adventitious

Morphology of Flowering plants MCQ4. Most dicots have:

  • a. Taproot system.
  • b. Fibrous root system.
  • c. Adventitious roots.
  • d. None.
c

5. Folowing part of the root divides actively (has meristem tissue):

  • a. Root cap.
  • b. Root hairs.
  • c. A few millimeter above root cap.
  • d. None.
c
Here, is region of meristemic activity. It divides actively and elongates the root.

6. Following plants have modified root which store food:

  • a. Onion.
  • b. Turnip.
  • c. Sweet potato.
  • d. All above.
d

7. Extra roots of banyan tree that provide additional support to the tree is c/a:

  • a. Taproot system.
  • b. Fibrous root system.
  • c. Prop roots.
  • d. None.
c

8. Pneumetaphoric roots of swamp plant move upward to provide:

  • a. Food from air.
  • b. Water from humidity.
  • c. Oxygen from atmosphere.
  • d. None.
c

9. Modification of stem is/are:

  • a. Tendril.
  • b. Thorn.
  • c. Rhizome.
  • d. All of the above.

10. Leaves born from:

  • a. Nodes.
  • b. Internodes.
  • c. Both
  • d. None.
a

11. Parts of a typical leaf consist of:

1. Leaf blade, 2. Petole, 3. Lamina.

  • a. 1 and 2.
  • b. 2 and 3.
  • c. 1 and 3.
  • d. 1, 2 and 3 all.
d

Morphology of flowering plants solution12. Venation in most dicot is

  • a. Reticulate.
  • b. Parallel.
  • c. Complex.
  • d. None.
a

13. Venation in most mocot is:

  • a. Reticulate.
  • b. Parallel.
  • c. Complex.
  • d. None.

.

b

compound leaves image14. Leaves in the picture is:

  • a. Simple leaf.
  • b. Compound leaf.
  • c. Mixed leaf.
  • d. Complex leaf.
b
In neem, an axis contain numerous small leaves (leaflets), this is innately compound leaf.

In silk cotton numerous leaflet appear at the same place. This is palmately compound leaf.

15. Alternate, opposite and whorl leaves contain X number of leaves at the node respectively.

  • a. 1, 2, 3. 
  • b. 3, 2, 1.
  • c. 1, 2, and more than two.
  • d. None.
c

16. What is inflorescence?

  • a. Arrangement of leaflets on a stem axix.
  • b. Arrangment of florets on a floral axix.
  • c. Arrangement of flowers on a floral axix.
  • d. None
c
Many a time plant produce flower in bunch. This is t/a inflorescence.

inflorescence types17. In racemose inflorescence, floral axis:

  • a. Terminate into flower.
  • b. Grows continuously and flowers appear laterally
  • c. Convert into flower.
  • d. None.
b

18. In cymose inflorescence, floral axis:

  • a. Terminate into flower.
  • b. Grows continuously and flowers appear laterally
  • c. Convert into flower.
  • d. None.
a

hypogynous perigynous epigynous19. Hypogynous flower is c/a:

  • a. Superior.
  • b. Inferior.
  • c. Complex.
  • d. None.
a
In hypngynous ovary lies above all other floral parts. This is c/a superior.

 

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Answer


Animal Kingdom MCQ/Objective questions Chapter 4 Biology Class 11

 

Ref: Chapter 5, NCERT.

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