1000+ Morphology of flowering plants MCQ for IIFT [Solved]
Thursday 9th of March 2023
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1. Alternate type of phyllotaxy is found in
A. china rose
B. mustard
C. sunflower
D. all of these
Answer : D
A. china rose
B. mustard
C. sunflower
D. all of these
Answer : D
2. Match the following stem modifications given in column I with their examples given in column II and select the correct combination from the options given below.
A. A I, B II, C III, D V, E IV
B. A II, B III, C IV, D V, E I
C. A III, B IV, C V, D I, E II
D. A III, B V, C IV, D II, E I
Answer : D
| (Stem Modifications) | (Found in) |
|---|---|
| A. Underground stem | I. Euphorbia |
| B. Stem tendril | II. Opuntia |
| C. Stem thorns | III. Potato |
| D. Flattened stem | IV. Citrus |
| E. Fleshy cylindrical stem | V. Cucumber |
A. A I, B II, C III, D V, E IV
B. A II, B III, C IV, D V, E I
C. A III, B IV, C V, D I, E II
D. A III, B V, C IV, D II, E I
Answer : D
3. Pneumatophores are found in
A. the vegetation which is found in marshy and saline lake.
B. the vegetation which found in saline soil.
C. xerophytic condition.
D. hydrophytic condition.
Answer : A
A. the vegetation which is found in marshy and saline lake.
B. the vegetation which found in saline soil.
C. xerophytic condition.
D. hydrophytic condition.
Answer : A
4. It is a proteinous layer and the outer covering of endosperm which separates the embryo. Identify the layer.
A. Tegmen
B. Scutellum
C. Hyaline layer
D. Aleurone layer
Answer : D
A. Tegmen
B. Scutellum
C. Hyaline layer
D. Aleurone layer
Answer : D
5. Which one of the following characteristics does not belong to parietal placentation?
A. Ovules are borne on central axis.
B. Ovary is one-chambered but it becomes two-chambered due to the formation of false septum.
C. Examples are mustard and Argemone.
D. Both (b) and (c)
Answer : A
A. Ovules are borne on central axis.
B. Ovary is one-chambered but it becomes two-chambered due to the formation of false septum.
C. Examples are mustard and Argemone.
D. Both (b) and (c)
Answer : A
6. Which one of the following statement is not correct?
A. Each stamen which represents the male reproductive organ consists of a stalk or a filament and an anther.
B. An actinomorphic flower can be dissected into two equal halves from any plane.
C. Superior ovary is found in hypogynous flowers.
D. When stamens are attached to the petals, they are epiphyllous as in brinjal.
Answer : D
A. Each stamen which represents the male reproductive organ consists of a stalk or a filament and an anther.
B. An actinomorphic flower can be dissected into two equal halves from any plane.
C. Superior ovary is found in hypogynous flowers.
D. When stamens are attached to the petals, they are epiphyllous as in brinjal.
Answer : D
7. Identify the different types of aestivation (A, B, C and D) in corolla and select the correct option.
A. A-Valvate, B-Twisted, C-Imbricate, D-Vexillary
B. A-Vexillary, B-Valvate, C-Twisted, D-Imbricate
C. A-Imbricate, B-Vexillary, C-Valvate, D-Twisted
D. A-Twisted, B-Imbricate, C-Vexillary, D-Valvate
Answer : A
A. A-Valvate, B-Twisted, C-Imbricate, D-Vexillary
B. A-Vexillary, B-Valvate, C-Twisted, D-Imbricate
C. A-Imbricate, B-Vexillary, C-Valvate, D-Twisted
D. A-Twisted, B-Imbricate, C-Vexillary, D-Valvate
Answer : A
8. Leaves of dicotyledonous plants possess _________ venation, while _________ venation is the characteristic of most monocotyledons.
A. reticulate and parallel
B. parallel and reticulate
C. reticulate and perpendicular
D. obliquely and parallel
Answer : A
A. reticulate and parallel
B. parallel and reticulate
C. reticulate and perpendicular
D. obliquely and parallel
Answer : A
9. Pollen grains are produced within _________of stamen.
A. ovary
B. anther
C. filament
D. connective
Answer : B
A. ovary
B. anther
C. filament
D. connective
Answer : B
10. Main function of leaf is
A. exchange of gases
B. increase the beauty of a tree
C. manufacturing of food
D. nerve impulse induction
Answer : C
A. exchange of gases
B. increase the beauty of a tree
C. manufacturing of food
D. nerve impulse induction
Answer : C
11. Which one of the following structure is not associated with gynoecium?
A. Ovary
B. Style
C. Stigma
D. Filament
Answer : D
A. Ovary
B. Style
C. Stigma
D. Filament
Answer : D
12. Which of the following groups of plants have underground stems?
A. Potato, ginger, turmeric, Euphorbia, zaminkand
B. Potato, ginger, turmeric, zaminkand, Colocasia
C. Potato, Citrus, Opuntia, zaminkand, Colocasia
D. Potato, cucumber, watermelon, zaminkand, Colocasia
Answer : B
A. Potato, ginger, turmeric, Euphorbia, zaminkand
B. Potato, ginger, turmeric, zaminkand, Colocasia
C. Potato, Citrus, Opuntia, zaminkand, Colocasia
D. Potato, cucumber, watermelon, zaminkand, Colocasia
Answer : B
13. The primary roots and its branches constitute the
A. fibrous root system.
B. tap root system.
C. adventitious root system.
D. all of the above
Answer : B
A. fibrous root system.
B. tap root system.
C. adventitious root system.
D. all of the above
Answer : B
14. The main purpose of phyllotaxy for the leaves is to provide sufficient_______.
A. soil
B. air
C. water
D. light
Answer : D
A. soil
B. air
C. water
D. light
Answer : D
15. Match the following placentation types given in column I with their examples given in column II and choose the correct combination from the options given below.
A. A I, B II, C III, D IV, E V
B. A II, B III, C IV, D V, E I
C. A IV, B I, C V, D III, E II
D. A IV, B III, C V, D I, E II
Answer : C
| (Placentation Types) | (Examples) |
|---|---|
| A. Basal | I. Dianthus |
| B. Free central | II. Pea |
| C. Parietal | III. Lemon |
| D. Axile | IV. Marigold |
| E. Marginal | V. Argemone |
A. A I, B II, C III, D IV, E V
B. A II, B III, C IV, D V, E I
C. A IV, B I, C V, D III, E II
D. A IV, B III, C V, D I, E II
Answer : C
16. Matching colmun I with column II and choose the correct option.
A. A III, B I, C IV, D II, E V
B. A IV, B II, C V, D I, E III
C. A V, B I, C III, D IV, E II
D. A IV, B V, C I, D II, E III
Answer : D
| Column I | Column II |
|---|---|
| A. Coleorhiza | I. Grapes |
| B. Food storing tissue | II. Mango |
| C. Parthenocarpic fruit | III. Maize |
| D. Single seeded fruit | IV. Radicle developing from monocarpellary superior ovary |
| E. Membranous | V. Endosperm seed coat |
A. A III, B I, C IV, D II, E V
B. A IV, B II, C V, D I, E III
C. A V, B I, C III, D IV, E II
D. A IV, B V, C I, D II, E III
Answer : D
17. Identify the inflorescence shown by the given figures A and B.
A. A-Cymose, B-Racemose
B. A-Racemose, B-Cymose
C. A-Racemose, B-Racemose
D. A-Cymose, B-Cymose
Answer : B
A. A-Cymose, B-Racemose
B. A-Racemose, B-Cymose
C. A-Racemose, B-Racemose
D. A-Cymose, B-Cymose
Answer : B
18. Ginger is an underground stem. It is distinguished from root because
A. it lacks chlorophyll.
B. it stores food.
C. it has nodes and internodes.
D. it has xylem and vessels.
Answer : C
A. it lacks chlorophyll.
B. it stores food.
C. it has nodes and internodes.
D. it has xylem and vessels.
Answer : C
19. The mature seeds of plants such as gram and peas, possess no endosperm, because
A. these plants are not angiosperms.
B. there is no double fertilization in them.
C. endosperm is not formed in them.
D. endosperm gets used up by the developing embryo during seed development.
Answer : D
A. these plants are not angiosperms.
B. there is no double fertilization in them.
C. endosperm is not formed in them.
D. endosperm gets used up by the developing embryo during seed development.
Answer : D
20. Seeds are regarded as products of sexual reproduction because they
A. can be stored for long time.
B. are result of fusion of pollen tube.
C. are result of fusion of gametes.
D. give rise to new plants.
Answer : C
A. can be stored for long time.
B. are result of fusion of pollen tube.
C. are result of fusion of gametes.
D. give rise to new plants.
Answer : C
21. Stem tendrils are found in
A. cucumber
B. pumpkins
C. grapevines
D. all of these
Answer : D
A. cucumber
B. pumpkins
C. grapevines
D. all of these
Answer : D
22. Which of the following is not the characteristic features of fabaceae?
A. Tap root system, compound leaves and raceme inflorescence.
B. Flowers actinomorphic, twisted aestivation and gamopetalous.
C. Stamens 10, introrse, basifixed, dithecous.
D. Monocarpellary, ovary superior and bent stigma.
Answer : B
A. Tap root system, compound leaves and raceme inflorescence.
B. Flowers actinomorphic, twisted aestivation and gamopetalous.
C. Stamens 10, introrse, basifixed, dithecous.
D. Monocarpellary, ovary superior and bent stigma.
Answer : B
23. Which of the following is a modified stem for the protection of plants from browsing animals?
A. Tendrils
B. Thorns
C. Rhizome
D. Tuber
Answer : B
A. Tendrils
B. Thorns
C. Rhizome
D. Tuber
Answer : B
24. Root hairs develop from
A. region of maturation
B. region of elongation
C. region of meristematic activity
D. root cap
Answer : A
A. region of maturation
B. region of elongation
C. region of meristematic activity
D. root cap
Answer : A
25. Which of the following is an example of pinnately compound leaf ?
A. Cucumber
B. Papaya
C. Cucurbita
D. Neem
Answer : D
A. Cucumber
B. Papaya
C. Cucurbita
D. Neem
Answer : D
26. Match column-I with column-II and choose the correct option.
A. A I, B II, C III, D IV, E V, F VI, G VII
B. A VII, B VI, C V, D IV, E III, F II, G I
C. A II, B IV, C VI, D I, E III, F V, G VII
D. A I, B III, C V, D VII, E II, F IV, G VI
Answer : B
| A. Gram, sem, moong, | I. Medicine soyabean |
|---|---|
| B. Soyabean,groundnut | II. Ornamental |
| C. Indigofera | III. Fodder |
| D. Sunhemp | IV. Fibres |
| E. Sesbania, Trifolium | V. Dye |
| F. Lupin, sweet potato | VI. Edible oil |
| G. Mulethi | VII. Pulses |
A. A I, B II, C III, D IV, E V, F VI, G VII
B. A VII, B VI, C V, D IV, E III, F II, G I
C. A II, B IV, C VI, D I, E III, F V, G VII
D. A I, B III, C V, D VII, E II, F IV, G VI
Answer : B
27. The X is small and situated in a groove at one end of the endosperm. It consists of one large and shield shaped cotyledon known as Y and a short axis with a plumule and a Z. Identify X, Y and Z.
A. X - Scutellum, Y - Embryo, Z - Radicle
B. X - Embryo, Y - Scutellum, Z - Radicle
C. X - Scutellum, Y - Radicle, Z - Embryo
D. X - Radicle, Y - Embryo, Z - Scutellum
Answer : B
A. X - Scutellum, Y - Embryo, Z - Radicle
B. X - Embryo, Y - Scutellum, Z - Radicle
C. X - Scutellum, Y - Radicle, Z - Embryo
D. X - Radicle, Y - Embryo, Z - Scutellum
Answer : B
28. Which is not a stem modification ?
A. Rhizome of ginger
B. Corm of Colocasia
C. Pitcher of Nepenthes
D. Tuber of potato
Answer : C
A. Rhizome of ginger
B. Corm of Colocasia
C. Pitcher of Nepenthes
D. Tuber of potato
Answer : C
29. Most prominent function of inflorescence is
A. dispersal of seeds.
B. formation of more fruits.
C. formation of pollen grains.
D. dispersal of pollens.
Answer : B
A. dispersal of seeds.
B. formation of more fruits.
C. formation of pollen grains.
D. dispersal of pollens.
Answer : B
30. Fibrous root system is found in
A. monocotyledonous plants.
B. dicotyledonous plants.
C. bryophytes.
D. gymnosperms.
Answer : A
A. monocotyledonous plants.
B. dicotyledonous plants.
C. bryophytes.
D. gymnosperms.
Answer : A
31. A branch in which each node bearing a rossette of leaves and a tuft of roots is found in aquatic plants like _________ and _________.
A. Hydrilla and Pistia
B. Eichhornia and Hydrilla
C. Pistia and Eichhornia
D. Pistia and Vallisneria
Answer : C
A. Hydrilla and Pistia
B. Eichhornia and Hydrilla
C. Pistia and Eichhornia
D. Pistia and Vallisneria
Answer : C
32. Which of the following statement (s) is/are not correct?
A. (i) , (ii), (iii) and (iv)
B. (i), (ii) and (v)
C. (iii), (iv) and (vi)
D. (iv), (v) and (i)
Answer : A
- Calyx and corolla are reproductive organs of a flower.
- Zygomorphic flower can be divided into two equal radial halves in any radial plane.
- Flowers without bracts are termed as bracteate.
- Parthenocarpic fruit is formed after fertilization of the ovary.
- In legumes, seed is non-endospermic.
- Radical buds develop on roots.
A. (i) , (ii), (iii) and (iv)
B. (i), (ii) and (v)
C. (iii), (iv) and (vi)
D. (iv), (v) and (i)
Answer : A
33. A - Which one of the option shows the correct labelling of the parts marked as A, B, C and D in a typical structure of dicotyledonous seeds ?
A. A - Hilum, B - Micropyle, C - Radicle, D - Cotyledon, E - Plumule
B. A - Hilum, B - Micropyle, C - Plumule, D - Cotyledon, E - Radicle
C. A - Micropyle, B - Hilum, C - Plumule, D - Cotyledon, E - Radicle
D. A - Hilum, B - Micropyle, C - Plumule, D - Radicle, E - Cotyledon
Answer : B
A. A - Hilum, B - Micropyle, C - Radicle, D - Cotyledon, E - Plumule
B. A - Hilum, B - Micropyle, C - Plumule, D - Cotyledon, E - Radicle
C. A - Micropyle, B - Hilum, C - Plumule, D - Cotyledon, E - Radicle
D. A - Hilum, B - Micropyle, C - Plumule, D - Radicle, E - Cotyledon
Answer : B
34. Aleurone layer helps in
A. storage of food in endosperm.
B. protection of embryo.
C. utilization of stored food.
D. all of the above.
Answer : C
A. storage of food in endosperm.
B. protection of embryo.
C. utilization of stored food.
D. all of the above.
Answer : C
35. Cotyledons and testa respectively are edible parts in which of the following group?
A. walnut and tamarind
B. cashew nut and litchi
C. french bean and coconut
D. groundnut and pomegranate
Answer : D
A. walnut and tamarind
B. cashew nut and litchi
C. french bean and coconut
D. groundnut and pomegranate
Answer : D
36. X is the outermost whorl of the flower and contains Y. Y is green, leaf like and protect the other whorls of the flower. Identify X and Y.
A. X - Calyx; Y - Sepals
B. X - Corolla; Y - Petals
C. X - Gynoecium; Y - Fruit
D. X - Androecium; Y - Ovary
Answer : A
A. X - Calyx; Y - Sepals
B. X - Corolla; Y - Petals
C. X - Gynoecium; Y - Fruit
D. X - Androecium; Y - Ovary
Answer : A
37. Which of the following is the green expanded part of leaf with vein and veinlets?
A. Petiole
B. Node
C. Stipule
D. Lamina
Answer : D
A. Petiole
B. Node
C. Stipule
D. Lamina
Answer : D
38. Identify the correct families of the given plant species (A, B and C)
A. A - Liliaceae, B - Compositae, C - Malvaceae
B. A - Fabaceae, B - Solanaceae, C - Liliaceae
C. A - Compositae, B - Malvaceae, C - Liliaceae
D. A - Solanaceae, B - Fabaceae, C - Liliaceae
Answer : B
A. A - Liliaceae, B - Compositae, C - Malvaceae
B. A - Fabaceae, B - Solanaceae, C - Liliaceae
C. A - Compositae, B - Malvaceae, C - Liliaceae
D. A - Solanaceae, B - Fabaceae, C - Liliaceae
Answer : B
39. Which one of the following characteristics is not related to gynoecium?
A. It is the female reproductive part of the flower.
B. It is composed of stamens.
C. Stigma is usually at the tip of the style and is the receptive surface for pollen grains.
D. Each ovary bears one or more ovules attached to a flattened, cushion like placenta.
Answer : B
A. It is the female reproductive part of the flower.
B. It is composed of stamens.
C. Stigma is usually at the tip of the style and is the receptive surface for pollen grains.
D. Each ovary bears one or more ovules attached to a flattened, cushion like placenta.
Answer : B
40. The root differs from stem in having
A. nodes and internodes
B. axillary buds
C. multicellular hairs
D. unicellular hairs
Answer : D
A. nodes and internodes
B. axillary buds
C. multicellular hairs
D. unicellular hairs
Answer : D
41. Which of the following statement(s) is /are correct?
A. Only (i)
B. Both (i) and (ii)
C. Both (iii) and (iv)
D. All of these
Answer : C
- Many plants belong to family fabaceae are good ornamentals (Tulip, Gloriosa), source of medicine (Aloe) and vegetables (Asparagus).
- The plumule and radicle are enclosed in sheaths which are called coleorhiza and coleoptile respectively.
- A flower having either only stamens or only carpels is unisexual.
- Basal, alternate, linear, exstipulate with parallel venation types of leaves is found in the family liliaceae.
A. Only (i)
B. Both (i) and (ii)
C. Both (iii) and (iv)
D. All of these
Answer : C
42. Which of the following is correct with reference to floral character of family solanaceae?
A. Racemose, zygomorphic, unisexual, floral characters
B. Racemose, zygomorphic, bisexual, polypetalous
C. Axillary, bisexual, actinomorphic, epipetalous
D. Axillary, actinomorphic, bisexual, epipetalous
Answer : C
A. Racemose, zygomorphic, unisexual, floral characters
B. Racemose, zygomorphic, bisexual, polypetalous
C. Axillary, bisexual, actinomorphic, epipetalous
D. Axillary, actinomorphic, bisexual, epipetalous
Answer : C
43. Which one of the following statement is correct?
A. Bulb of Allium cepa is a modified stem.
B. Cloves of Allium sativum are fleshy scale leaves.
C. Corm of Colocasia is a modified root.
D. Tendril in Vitis vinifera is a modified axillary bud.
Answer : A
A. Bulb of Allium cepa is a modified stem.
B. Cloves of Allium sativum are fleshy scale leaves.
C. Corm of Colocasia is a modified root.
D. Tendril in Vitis vinifera is a modified axillary bud.
Answer : A
44. Statement 1 : A simple leaf has undivided lamina.
Statement 2 : Leaves showing pinnate and palmate venations have various type of incisions.
A. Statement-1 and statement-2 are true and statement-2 is a correct explanation for statement -1.
B. Statement -1 and statement -2 are true but statement-2 is not a correct explanation for statement-1.
C. Statement-1 is true and statement-2 is false.
D. Both the statements are false.
Answer : B
Statement 2 : Leaves showing pinnate and palmate venations have various type of incisions.
A. Statement-1 and statement-2 are true and statement-2 is a correct explanation for statement -1.
B. Statement -1 and statement -2 are true but statement-2 is not a correct explanation for statement-1.
C. Statement-1 is true and statement-2 is false.
D. Both the statements are false.
Answer : B
45. Read the following statements and answer the question.
A. Phyllotaxy
B. Venation
C. Inflorescencew
D. Aestivation
Answer : A
- It is the pattern of arrangement of leaves on the stem or branch.
- It is usually of three types - alternate, opposite and whorled.
- It is meant for getting maximum amount of light. statements?
A. Phyllotaxy
B. Venation
C. Inflorescencew
D. Aestivation
Answer : A
46. The part of the root which is most active in water absorption is called
A. root cap
B. maturation zone
C. meristematic zone
D. zone of elongation
Answer : B
A. root cap
B. maturation zone
C. meristematic zone
D. zone of elongation
Answer : B
47. Match column-I with column-II and choose the option which shows their correct combination.
A. A IV, B V, C III, D I, E VI, F II
B. A IV, B III, C V, D I, E II, F VI
C. A VI, B IV, C III, D V, E I, F II
D. A VI, B IV, C V, D III, E II, F I
Answer : C
| Column-I | Column-II |
|---|---|
| A. Gamosepalous | I. Flower of lily |
| B. Polysepalous | II. Sterile anther |
| C. Gamopetalous | III. Free petals |
| D. Polypetalous | IV. Free sepals |
| E. Epiphyllous | V. Fused petals |
| F. Staminode | VI. Fused sepals |
A. A IV, B V, C III, D I, E VI, F II
B. A IV, B III, C V, D I, E II, F VI
C. A VI, B IV, C III, D V, E I, F II
D. A VI, B IV, C V, D III, E II, F I
Answer : C
48. Which type of function is performed by the fleshy leaves of onion and garlic?
A. Storage
B. Reproduction
C. Photosynthesis
D. Protection
Answer : A
A. Storage
B. Reproduction
C. Photosynthesis
D. Protection
Answer : A
49. A scar on the seed coat through which the developing seeds attached to the fruit is called as ________.
A. testa
B. tegmen
C. hilum
D. micropyle
Answer : C
A. testa
B. tegmen
C. hilum
D. micropyle
Answer : C
50. The given figures (A and B) shows the modificaiton of roots.Which of the following statements regarding the figures is correct ?
A. Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food.
B. Pneumatophores conducts water, minerals & photosynthesis
C. Pneumatophore is found in the plants that grow in sandy soil.
D. Turnip & carrot shows adventitious roots and sweet potato shows tap root.
Answer : A
A. Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food.
B. Pneumatophores conducts water, minerals & photosynthesis
C. Pneumatophore is found in the plants that grow in sandy soil.
D. Turnip & carrot shows adventitious roots and sweet potato shows tap root.
Answer : A
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