Past Questions and Answers on Morphology of Monocotyledonous and Dicotyledonous Plants



1.      The part labelled III is the

A. leaf scar            C. auxillary bud

B. lenticel              D. girdle scar

2.      Which part of the twig produces auxins?

A. IV       B. III     C. II         D. I

3.      Carnivorous plants are usually found in areas

A. which are deficient of nitrate

B. which are deficient of oxygen

C. with low pH

D. where insects are abundant

4.      The mode of nutrition of the plant in the diagram is

A.    Photosynthetic and chemosynthetic

B.     Saprophytic and carnivorous

C.     Photosynthetic and carnivorous

D.    Chemosynthetic and saprophytic

5.      The structure labelled I is

A.    A pitcher           C. a flower

B.     An onion           D. a tendril

6.     In which type of soil is the plant found? Soil that is

A.    poorly aerated     C. Exposed

B.     water logged      D. nitrogen deficient

7.      The type of vegetative reproduction illustrated in the diagram above is

A. grafting                    C. sucker

B. adventitious bud      D. aerial layering

8.    Which of the following characterizes the white mangrove?

A. Prop roots               C. Breathing roots

B. Buttress roots          D. Stilt roots

1.    From the diagram above the angle between the parts labelled II and III is the

A. bud      B. node    C. internode   D. axil

      2.        The part of the plant where photosynthesis is least likely to take place is

A. I           B. II         C. III          D. IV


3.        Insectivorous plants trap and kill their prey to derive

A. phosphorous            C. nitrogen

B. calcium                    D. zinc

4.        Which of the following is an example of carnivorous plant?

A. hydra                      C. yeast

B. bladderwort            D. spirogyra

5. Monocotyledonous plants are distinguished from dicotyledonous plants by the presences of

A. nodes                  C. leaf sheaths

B. internodes           D. vascular bundles

6.        Which of the following is not characteristics of monocot?

A. well differentiated sepals and petals

B. presence of fibrous root system

C. presence of narrow leaves

D. floral parts are in multiples

7.        Monocotyledonous plant have

A. tap root system

B. leaves with net-venation

C. perianth segment that are similar

D. leaves that are usually broad 

8.        The part of the monocot plant called the ligule is the

A. sheath blade junction of the leafs

B. margin of the leaf

C. hollow stem of the internodes

D. prop roots at the base stem

9.        Unlike monocotyledonous plant dicotyledonous plants typically posses

A. internodes          C. nodes

B. ligules                D. petioles 

10.    Buttress roots are common features of trees of the

A. guinea savanna     C. rain forest

B. mangrove              D. coastal savanna

11.    What structure enhances the survival of white mangrove in waterlogged soil?

A. stilt root             C. prop root

B. lateral roots       D. breathing roots

12.    Breathing roots are equipped with

A. buds               C. tendrils

B. haustoria        D. pneumatophores


1. C

6. D

11. C

16. A

2. D

7. B

12. B

17. D

3. D

8. C

13. C

18. D

4. C

9. D

14. A

19. D

5. A

10. D

15. C

20. D


1.      (WASSCE, 2014) Describe the mode of nutrition in named in a carnivorous plant.


Carnivorous plants: Pitcher Plants, Sundew, Bladderwort, Venus flytrap, Butterwort.

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