Leaf MCQ (Multiple Choice Questions and Answers)
Q1. Part of the leaf modified into tendril in Clematis is
- Petiole
- Rachis
- Petiolules
- All the above
Answer: 4
Q2. Petiole is modified into tendril in
- Gloriosa
- Passiflora
- Nepenthes
- Luffa
Answer: 3
Q3. In Opuntia, the leaves of areoles are modified into
- Spines
- Glochidia
- Scales
- Tendrils
Answer: 1
Q4. Which one of the following has the largest floating leaves
- Banana
- Victoria
- Nelumbo
- Date Palm
Answer: 2
Q5. Ptyxis is
- Arrangement of leaves on the stem
- Arrangement of leaves in the bud
- Folding of lamina in bud
- Both B and C
Answer: 3
Q6. Arrangement of leaves on the stem branches is called
- Ptyxis
- Vernation
- Prefoliation
- Phyllotaxy
Answer: 4
Q7. Opposite phyllotaxy is present in
- Banana
- Calotropis
- Grass
- China Rose
Answer: 2
Q8. A swollen leaf base is called
- Pulvinus
- Amplexicaul
- Winged
- Sheathing leaf base
Answer: 1
Q9. Petiole modified for photosynthesis is
- Cladode
- Phylloclade
- Phyllode
- Tuber
Answer: 3
Q10. In Banyan, bud scales are
- Young leaves
- Modified leaves
- Trichomes
- Stipules
Answer: 4
Q11. Main function of leaf is
- Transpiration
- Exchange of gases
- Photosynthesis
- Cooling
Answer: 3
Q12. Leaf margin is spiny in
- Poplar
- Argemone
- Agave
- Bryophyllum
Answer: 2
Q13. Occurrence of more than one type of leaves is
- Decussate phyllotaxy
- Heterophylly
- Aestivation
- Anisophylly
Answer: 2
Q14. Vernation is
- Arrangement is veins on the lamina
- Arrangement of leaves on the stem
- Folding of leaves in bud
- Arrangement of leaves in bud
Answer: 4
Q15. Compound leaves occur in
- Mustard
- Syzygium
- Wheat
- Sweet Pea
Answer: 4
Q16. In Pisum sativum, tendrils are
- Modified leaves
- Modified upper leaflets
- Modified lower leaflets
- Modified stipules
Answer: 2
Q17. In Smilax, tendrils are modified
- Leaves
- Upper Leaflets
- Lower Leaflets
- Stipules
Answe: 4
Q18. Stipules are modified into spines in
- Shoe Flower
- Cotton
- Zizyphus
- Dalbergia
Answer: 3
Q19. A plant showing reticulate venation is
- Ficus
- Canna
- Musa
- Zea
Answer: 1
Q20. Parallel venation is found in
- Mentha
- Banana
- Dalbergia
- Syzygium
Answer: 2
Q21. Stipules found in Rose are
- Free lateral
- Adnate
- Ochreate
- Interpetiolar
Answer: 2
Q22. Whole leaf is modified into tendril in
- Lathyrus aphaca
- Lathyrus odoratus
- Pisum sativum
- Lens culinaris
Answer: 1
Q23. Stipules are modified into tendrils in
- Gloriosa superba
- Lathyrus odoratus
- Smilax
- Clematis
Answer: 3
Q24. A monocot showing reticulate venation is
- Zea
- Plum
- Bambusa
- Smilax
Answer: 4
Q25. In Musa, the venation is
- Unicostate reticulate
- Unicostate parallel
- Multicostate reticulate
- Multicostate parallel
Answer: 2
Q26. Which one of the following possesses winged petiole
- Citrus
- Bombax
- Acacia
- Asparagus
Answer: 1
Q27. A plant with unifoliate leaves is
- Balanites
- Citrus
- Aegle
- Paris
Answer: 2
Q28. The leaf of Mimosa pudica is
- Simple
- Bifoliate
- Bipinnate
- Trifoliate
Answer: 3
Q29. Multifoliate leaves are found in
- Aegle
- Paris
- Oleander
- Bombax
Answer: 4
Q30. Rachis is modified into a leafy structure called
- Phyllode
- Ochrea
- Phylloclade
- Phyllome
Answer: 1
Q31. Lamina is reduced in
- Xerophytes
- Mesophytes
- Hydrophytes
- Climbers
Answer: 1
Q32. Heterophylly of Limnophila is
- Environmental
- Developmental
- Habitual
- Adaptive
Answer: 4
Q33. Heterophylly found in Eucalytus is
- Habitual
- Developmental
- Adaptive
- Environmental
Answer: 2
Q34. Phyllotaxy is meant for
- Protection of leaves against sunlight
- Exposure of all the leaves equally to sunlight
- Minimising the number of leaves on a branch
- Maximising the number of leaves on a branch
Answer: 2
Q35. Leaf is imparipinnate in
- Rose
- Cassia
- Quisqualis
- Guava
Answer: 1
Q36. Phyllode is an adaptation to
- Aquatic environment
- Halophytic environment
- Mesophytic environment
- Xerophytic environment
Answer: 4
Q37. Ochreate stipules occur in
- Rose
- Polygonum
- Lathyrus aphaca
- Smilax
Answer: 2
Q38. In Nepenthes the pitcher is modified
- Leaf Apex
- Leaf base
- Lamina
- Leaf stalk
Answer: 3
Q39. Leaves borne on the main stem are called
- Radical
- Ramal
- Peltate
- Cauline
Answer: 4
Q40. In Calotropis the phyllotaxy is
- Alternate
- Verticellate
- Opposite and superposed
- Opposite and decussate
Answer: 4
Q41. Tendrils of Wild Pea represent modification of
- Axillary branches
- Leaves
- Leaflets
- Stipules
Answer: 2
Q42. Leaves are modified into hygroscopic appendages in
- Tamarix
- Tamarindus
- Albizzia
- Butea
Answer: 1
Q43. Plants without leaves during one season are
- Caducous
- Deciduous
- Evergreen
- Semigreen
Answer: 2
Q44. In spiral phyllotaxy, the number of leaves at each node is
- One
- Two
- Many
- Three
Answer: 1
Q45. Unicostate venation is called as
- Palmate
- Pinnate
- Reticulate
- Parallel
Answer: 2
Q46. Palmate compound leaf is the one in which the leaflets develop from
- Rachis
- Tip of petiole
- Branch of rachis
- Node
Answer: 2
Q47. A compound leaf with more than thrice pinnate nature is
- Multifoliate
- Decompound
- Quadrifoliate
- Tripinnate
Answer: 2
Q48. A unifoliate compound leaf can be differentiated from simple leaf in having
- Joint
- Stalk
- Unicostate reticulate venation
- Multicostate reticulate venation
Answer: 1
Q49. The leaves which fall down very soon after their formation are
- Deciduous
- Caducous
- Ramal
- Cauline
Answer: 2
Q50. Leaves developing from discoid reduced stem of Radish are
- Ramal
- Radical
- Cauline
- Deciduous
Answer: 2
Q51. Leaves arising from stem branches are
- Radical
- Cauline
- Ramal
- Peltate
Answer: 3
Q52. A leaf without petiole is
- Sessile
- Subsessile
- Subpetiolate
- Simple
Answer: 1
Q53. A sensitive thread-like structure which can coil around a support is
- Spring
- Tendril
- Rachis
- Twiner
Answeer: 2
Q54. A simple leaf is present in
- Peepal
- Mimosa
- Neem
- All the above
Answer: 1
Q55. Bipinnate leaves are characteristic of
- Cruciferae
- Solanaceae
- Papilionoideae
- Mimosoideae
Answer: 4
Q56. A dicotyledenous plant showing parallel venation is
- Dioscorea
- Smilax
- Calophyllum
- Hibiscus
Answer: 3
Q57. Parkinsonia shows one of the following modifications
- Phylloclade
- Cladode
- Phyllode
- Leaf pitcher
Answer: 3
Q58. Onion stores food in
- Underground stem
- Fleshy scales
- Root
- Shoot
Answer: 2
Q59. Phyllode is a modification of
- Petiole
- Stem
- Inflorescence
- Root
Answer: 1
Q60. Which one is not a modification of stem
- Pitcher of Nepenthes
- Corm of Colocasia
- Rhizome of Zinger
- Tuber of Potato
Answer: 1
Q61. A monocot can be distinguished from a dicot by
- Phyllotaxy
- Aestivation
- Venation
- Vernation
Answer: 3
Q62. A unipinnate compound leaf can be differentiated from a branched having simple leaves by
- Presence of terminal bud in compound leaf
- Absence of vanes in the leaflets
- Presence of buds in the axils of leaflets
- Presence of buds in the axils of leaves
Answer: 4
Q63. The leaf of Bryophyllum grows many tiny plants complete with roots in the margin. This is an example of
- Sexual reproduction
- Vegetative reproduction
- Fission
- Hermaphroditism
Answer: 2
Q64. Adnate stipules occur in
- China Rose
- Gardenia
- Rose
- Cotton
Answer: 3
Q65. A portion of leaf blade can regenerate the whole plant in
- Dioscorea
- Bryophyllum
- Pineapple
- Peepal
Answer: 2