20 Assorted questions on Plant Morphology: Leaf Modifications.

20 Assorted questions on Plant Morphology: Leaf Modifications.

It is a well noted trend that a lot of questions appearing for competitive medical exams are heavily imbibed from very old NCERT textbooks as well as out-of-syllabus. This series of questions are prepared keeping in mind the extra portions and one-words that frequently come up for the A.I.P.M.T. Mains and for A.I.I.M.S. Examinations. I hope this helps you to get some additional useful information.

One Word type:

1.In which plant is the Stipule modified into spine?
A.Ziziphus

2.In which plant is the Leaf Margins modified into spine?
A.Argemone

3.In which plant is the Leaf Apex modified into spine?
A.Yucca

4.In which plant is the entire Leaf modified into spine?
A.Barberis

5.In which plant is the Stipule modified into tendril?
A.Smilax

6.In which plant is the Leaf Margins modified into tendril?
A.Clematis

7.In which plant is the Leaf Apex modified into tendril?
A.Gloriosa

8.In which plant is the Leaflets modified into tendril?
A.Piscum

9.In which plant is the entire Leaf modified into tendril?
A.Lathyrus.

10.Name a plant with leaf hooks?
A. Bigonia
*used for climbing purposes.

11.Name a plant with scale/ protective leaves?
A.Ficus
*also Atropocarpus

12.Name a plant with leaf roots?
A.Salvinia
*the root is modified for balancing in water.

13.Name a plant with leaf pitchers?
A.Nepenthes(Insectivorous)
*Also Discheidia(Non-nisectivorous)

14.Name a plant with leaf bladders?
A. Utricularia.

15.Name a plant with leaf tentacles?
A.Drosera

16.A petiole when modified into leaf like structure is called________?
A.Phyllode

17.Name a plant with phyllode?
A.Parkinsonia
*Also Acacia auriculiformis.

18.Which plant has leaves with winged leaves?
A.Citrus, Feronia

19.A plant whose leaves have tendrillar petiole?
A.Clematis, Nepenthes

20.A plant with bulbous or floating petiolar leaves?
A.Eichhornia, Trapa