1. Longitudinal growth of the stem is due to the activity of its
1) Laterial bud 2) Adventitious bud 3) Axiallary bud 4) Terminal bud
2. [A] : Passiflora is a climber.
[R] : It has sensitive stem modification.
1) A and R are correct and R is the correct explanation of A
2) A and R are correct but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true
3. A part of the bud is modified into a climbing organ in
1) Hugonia 2) Vitis 3) Cissus 4) Artabotrys
4. Study the following and identify the correct match
Plant Function of its modified stem A B C D
A. Carissa I) Photosynthesis 1) III V IV I
B. Bougainvillea II) Storage of food 2) III V II I
C. Hugonia III) Protection 3) V III IV II
D. Opuntia IV) Climbing 4) III IV I II
V) Protection and climbing
5. Only one internode of the stem stores food materials in
1) Zingiber 2) Curcuma 3) Knol-knol 4) Bulbophyllum
6. Study the following and identify the correct sets
Plant
Modified stem I
Modified stem II
i) Agave
Floral bulbils
Offsets
ii) Oxalis
Root bulbils
Runners
iii) Ruscus
Phyllode
Cladode
iv) Asparagus
Cladode
Stem tuber
1) i and iii 2) i and ii 3) ii and iii 4) iii and iv
7. [A] : Stems of Lippia are involved in vegetative reproduction.
[R] : Vegetative reproduction is carried out by only sub-aerial modified stems.
1) A and R are correct and R is the correct explanation of A
2) A and R are correct but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true
8. Adventitious roots are formed only at the nodal regions of the following modified stems
i) Corm ii) Runner iii) Stolon iv) Offset
1) I and ii 2) ii and iii 3) ii and iv 4) iii and iv
9. The following modified stems help in vegetative reproduction but do not have adventitious roots during their association with the parental plant
1) Bulbs and bulbils 2) Stem tubers and bulbs 3) Psedobulbs and bulbils 4) Stem tubers and bulbils
10. Scale leaves are seen in plants with the following modified stems
i) Cladodes ii) Phylloclades iii) Stolons iv) Corms
1) i and ii 2) ii and iv 3) i and iii 4) i and iv
11. Aerial branches of one internodal length are seen in
1) Agave 2) Pistia 3) Asparagus 4) Eichhornia
12. Modified stems are absent but modified branches are present in
1) Stachys tubifera 2) Musa 3) Canna 4) Colocasia
13. The following modified stems show relatively more positive geotropism
1) Stem tuber 2) Rhizome 3) Corm 4) Bulb
14. Both tunicae and fleshy underground irregularly arranged scale leaves are seen in
1) Stachys tubifera 2) Allium cepa 3) Allium sativum 4) Lilium candidum
15. Arrange the following modified stems in a sequence of positively geotropic to negatively geotropic growth patterns
i) Modified stem of Curcuma ii) Modified stem of Amorphophallus
iii) Modified stem of Stachys tubifera iv) Modified stem of Mentha arvensis
1) ii, iv, i, iii 2) iii, i, iv, ii 3) iii, iv, i, ii 4) i, iii, iv, ii
16. Terminal buds of the following modified stems always transform into an inflorescence
1) Corm 2) Stem tuber 3) Bulb 4) Off set
17. The following set of modified stems are always axillary bud modifications
1) Cladode, offset, runner 2) Sucker, rhizome, cladode
3) Thorn, stem tuber, bulb 4) Cladode, offset, stem tuber
18. Central Potato Research Institute is at
1) Lucknow 2) Simla 3) Hyderabad 4) New Delhi
19. Downward obliquely growing branches are seen in
1) Nerium 2) Chrysanthemum 3) Colocasia 4) Hydrocotyle
20. Match the following
A. Modified stem with only basal adventitious roots I) Stem tuber
B. Modified stem with both lateral and basal adventitious roots II) Runner
C. Modified stem without adventitious roots III) Stolon
D. Modified stem has adventitious roots and leaves only at the nodes IV) Bulb
V) Corm
1) A-V, B-IV, C-II, D-I 2) A-IV, B-V, C-I, D-II 3) A-IV, B-III, C-II, D-I 4) A-IV, B-V, C-I, D-III
21. Identify the wrong pair
1) Hook – Terminal bud 2) Thorn – Auxiallary bud
3) Tendril – Axillary bud 4) Cladode – Terminal bud
22. Arrange the following plants with correct sequence of their modified stems showing gradual negative geotropic to positive geotropic growth
i) Lippia ii) Solanum tuberosum iii) Amorphophallus iv) Chrysanthemum
1) i, ii, iii, iv 2) iii, iv, i, ii 3) iii, i, iv, ii 4) iv, ii, i, iii
23. Assertion : All branches of Asparagus are cladodes.
Reason : It has scale leaves.
1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true
24. Branches of one internodal length are present in
i) Asparagus ii) Pistia iii) Eichhornia
1) i and ii 2) ii and iii 3) i, ii and iii 4) i and iii
25. Match the following
A. Canna indica I) Tuberous stem A B C D
B. Oxalis II) Bulb 1) V III IV I
C. Colocasia III) Bulbils 2) V II IV I
D. Bulbophyllum IV) Corm 3) IV III V I
V) Rhizome 4) II III IV I
26. Irregularly placed nodes are seen in
1) Rhizome 2) Corm 3) Stem tuber 4) Runner
27. Match the following
A. Barbs I) Cocoloba A B C D
B. Circle of scale leaves II) Allium cepa 1) V IV III II
C. Eyes III) Stachys tubifera 2) IV V II III
D. Dry membranous scale leaf IV) Casuarina 3) V IV II III
V) Opuntia 4) IV I II III
28. The underground modified stem with basal and lateral adventitious roots is
1) Rhizome 2) Corm 3) Bulb 4) Stem tuber
29. These modified stems do not externally exhibit their stem nature
1) Corms 2) Phylloclades 3) Thorns 4) Hooks
30. Scars on the stem tuber represent
1) Node 2) Scale leaves 3) Axillary buds 4) Terminal buds
1) Laterial bud 2) Adventitious bud 3) Axiallary bud 4) Terminal bud
2. [A] : Passiflora is a climber.
[R] : It has sensitive stem modification.
1) A and R are correct and R is the correct explanation of A
2) A and R are correct but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true
3. A part of the bud is modified into a climbing organ in
1) Hugonia 2) Vitis 3) Cissus 4) Artabotrys
4. Study the following and identify the correct match
Plant Function of its modified stem A B C D
A. Carissa I) Photosynthesis 1) III V IV I
B. Bougainvillea II) Storage of food 2) III V II I
C. Hugonia III) Protection 3) V III IV II
D. Opuntia IV) Climbing 4) III IV I II
V) Protection and climbing
5. Only one internode of the stem stores food materials in
1) Zingiber 2) Curcuma 3) Knol-knol 4) Bulbophyllum
6. Study the following and identify the correct sets
Plant
Modified stem I
Modified stem II
i) Agave
Floral bulbils
Offsets
ii) Oxalis
Root bulbils
Runners
iii) Ruscus
Phyllode
Cladode
iv) Asparagus
Cladode
Stem tuber
1) i and iii 2) i and ii 3) ii and iii 4) iii and iv
7. [A] : Stems of Lippia are involved in vegetative reproduction.
[R] : Vegetative reproduction is carried out by only sub-aerial modified stems.
1) A and R are correct and R is the correct explanation of A
2) A and R are correct but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true
8. Adventitious roots are formed only at the nodal regions of the following modified stems
i) Corm ii) Runner iii) Stolon iv) Offset
1) I and ii 2) ii and iii 3) ii and iv 4) iii and iv
9. The following modified stems help in vegetative reproduction but do not have adventitious roots during their association with the parental plant
1) Bulbs and bulbils 2) Stem tubers and bulbs 3) Psedobulbs and bulbils 4) Stem tubers and bulbils
10. Scale leaves are seen in plants with the following modified stems
i) Cladodes ii) Phylloclades iii) Stolons iv) Corms
1) i and ii 2) ii and iv 3) i and iii 4) i and iv
11. Aerial branches of one internodal length are seen in
1) Agave 2) Pistia 3) Asparagus 4) Eichhornia
12. Modified stems are absent but modified branches are present in
1) Stachys tubifera 2) Musa 3) Canna 4) Colocasia
13. The following modified stems show relatively more positive geotropism
1) Stem tuber 2) Rhizome 3) Corm 4) Bulb
14. Both tunicae and fleshy underground irregularly arranged scale leaves are seen in
1) Stachys tubifera 2) Allium cepa 3) Allium sativum 4) Lilium candidum
15. Arrange the following modified stems in a sequence of positively geotropic to negatively geotropic growth patterns
i) Modified stem of Curcuma ii) Modified stem of Amorphophallus
iii) Modified stem of Stachys tubifera iv) Modified stem of Mentha arvensis
1) ii, iv, i, iii 2) iii, i, iv, ii 3) iii, iv, i, ii 4) i, iii, iv, ii
16. Terminal buds of the following modified stems always transform into an inflorescence
1) Corm 2) Stem tuber 3) Bulb 4) Off set
17. The following set of modified stems are always axillary bud modifications
1) Cladode, offset, runner 2) Sucker, rhizome, cladode
3) Thorn, stem tuber, bulb 4) Cladode, offset, stem tuber
18. Central Potato Research Institute is at
1) Lucknow 2) Simla 3) Hyderabad 4) New Delhi
19. Downward obliquely growing branches are seen in
1) Nerium 2) Chrysanthemum 3) Colocasia 4) Hydrocotyle
20. Match the following
A. Modified stem with only basal adventitious roots I) Stem tuber
B. Modified stem with both lateral and basal adventitious roots II) Runner
C. Modified stem without adventitious roots III) Stolon
D. Modified stem has adventitious roots and leaves only at the nodes IV) Bulb
V) Corm
1) A-V, B-IV, C-II, D-I 2) A-IV, B-V, C-I, D-II 3) A-IV, B-III, C-II, D-I 4) A-IV, B-V, C-I, D-III
21. Identify the wrong pair
1) Hook – Terminal bud 2) Thorn – Auxiallary bud
3) Tendril – Axillary bud 4) Cladode – Terminal bud
22. Arrange the following plants with correct sequence of their modified stems showing gradual negative geotropic to positive geotropic growth
i) Lippia ii) Solanum tuberosum iii) Amorphophallus iv) Chrysanthemum
1) i, ii, iii, iv 2) iii, iv, i, ii 3) iii, i, iv, ii 4) iv, ii, i, iii
23. Assertion : All branches of Asparagus are cladodes.
Reason : It has scale leaves.
1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true
24. Branches of one internodal length are present in
i) Asparagus ii) Pistia iii) Eichhornia
1) i and ii 2) ii and iii 3) i, ii and iii 4) i and iii
25. Match the following
A. Canna indica I) Tuberous stem A B C D
B. Oxalis II) Bulb 1) V III IV I
C. Colocasia III) Bulbils 2) V II IV I
D. Bulbophyllum IV) Corm 3) IV III V I
V) Rhizome 4) II III IV I
26. Irregularly placed nodes are seen in
1) Rhizome 2) Corm 3) Stem tuber 4) Runner
27. Match the following
A. Barbs I) Cocoloba A B C D
B. Circle of scale leaves II) Allium cepa 1) V IV III II
C. Eyes III) Stachys tubifera 2) IV V II III
D. Dry membranous scale leaf IV) Casuarina 3) V IV II III
V) Opuntia 4) IV I II III
28. The underground modified stem with basal and lateral adventitious roots is
1) Rhizome 2) Corm 3) Bulb 4) Stem tuber
29. These modified stems do not externally exhibit their stem nature
1) Corms 2) Phylloclades 3) Thorns 4) Hooks
30. Scars on the stem tuber represent
1) Node 2) Scale leaves 3) Axillary buds 4) Terminal buds
