1000+ Morphology of flowering plants Multiple Choice Question Answer [Solved]

1. 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.

(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

2. Which of the following statement(s) is /are correct?

1. Many plants belong to family fabaceae are good ornamentals (Tulip, Gloriosa), source of medicine (Aloe) and vegetables (Asparagus).
2. The plumule and radicle are enclosed in sheaths which are called coleorhiza and coleoptile respectively.
3. A flower having either only stamens or only carpels is unisexual.
4. 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

3. The given figure shows the region of root tips with their region marked as A, B and C. Choose the option which shows the correct labelling of A, B and C. 

A. A - Zone of elongation, B - Zone of meiosis, C - Zone of mitosis.
B. A - Zone of maturation, B - Zone of meristematic activity, C - Zone of elongation.
C. A - Zone of mitosis, B - Zone of elongation, C - Zone of root cap.
D. A - Region of maturation, B - Region of elongation, C - Zone of meristematic activity.
Answer : D

4. Which of the following plants is growing in swampy areas, where many roots come out of the ground and grow vertically upwards?
A. Potato
B. Opuntia
C. Rhizophora
D. Grass
Answer : C

5. The flower is the reproductive unit in the ___________ meant for ___________ reproduction.
A. angiosperms and sexual
B. gymnosperms and sexual
C. algae and asexual
D. pteridophytes and asexual
Answer : A

6. In which of the following plants, a slender lateral branch arises from the base of the main axis and after growing aerially arch downwards to touch the ground?
A. Mint and jasmine
B. Banana and pineapple
C. Grass and stawberry
D. Pistia and Eichhornia
Answer : A

7. In flower (X), the gynoecium occupies the highest position while the other parts are situated below it. The ovary in such flowers is said to be Y. Identify X and Y and select the correct option.
A. X - Epigynous, Y - Inferior
B. X - Perigynous, Y - Superior
C. X - Hypogynous, Y - Superior
D. X - Perigynous, Y - Half-inferior
Answer : C

8. 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

9. 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

10. 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

11. The main function(s) of root system is/are
A. absorption of water and minerals from the soil
B. storing reserve food material
C. synthesis of plant growth regulators
D. All of the above
Answer : D

12. 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

13. Match column-I with column-II and choose the option which shows their correct combination.

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

14. Which of the following statement (s) is/are not correct?

1. Calyx and corolla are reproductive organs of a flower.
2. Zygomorphic flower can be divided into two equal radial halves in any radial plane.
3. Flowers without bracts are termed as bracteate.
4. Parthenocarpic fruit is formed after fertilization of the ovary.
5. In legumes, seed is non-endospermic.
6. 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

15. How many plants in the list given below have marginal placentation?

1. Mustard
2. Gram
3. Tulip
4. Asparagus
5. Arhar
6. Sunhemp
7. Chilli
8. Colchicine
9. Onion
10. Moong
11. Pea
13. Tobacco
14. Lupin

A. Four
B. Five
C. Six
D. Three
Answer : C

16. Stilt roots occur in __________ .
A. groundnut
B. rice
C. sugarcane
D. wheat
Answer : C

17. 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

18. 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

19. Alternate type of phyllotaxy is found in
A. china rose
B. mustard
C. sunflower
D. all of these
Answer : D

20. Match column - I, II and III and choose the correct option. 

A. A - V, t; B - II, s; C -I, r; D -III, q; E -IV, p
B. A - I, t; B - II, s; C - III, r; D - IV, p; E - V, q
C. A - V, p; B - II, s; C - I, q; D - III, r; E - IV, t
D. A - V, p; B - III, q; C - II, s; D - I, t; E - IV, r
Answer : A

21. Read the following statements and answer the question.

1. It is the pattern of arrangement of leaves on the stem or branch.
2. It is usually of three types - alternate, opposite and whorled.
3. It is meant for getting maximum amount of light. statements?

A. Phyllotaxy
B. Venation
C. Inflorescencew
D. Aestivation
Answer : A

22. 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

23. Which of the following represents the floral characters of liliaceae?
A. Six tepals, zygomorphic, six stamens, bilocular ovary, axile placentation.
B. Actinomorphic, polyphyllous, unilocular ovary, axile placentation.
C. Tricorpellary, actinomorphic, polyandrous, superior ovary, axile placentation.
D. Bisexual, zygomorphic, gamophyllous, inferior ovary, marginal placentation.
Answer : C

24. 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

25. Fibrous root system is found in
A. monocotyledonous plants.
B. dicotyledonous plants.
C. bryophytes.
D. gymnosperms.
Answer : A

26. Fibrous roots develop in maize from
A. upper nodes
B. lower nodes
C. upper internodes
D. none of these
Answer : B

27. Floral features are chiefly used in angiosperms identification because
A. flowers are of various colours.
B. flowers can be safely pressed.
C. reproductive parts are more stable and conservative than vegetative parts.
D. flowers are good materials for identification.
Answer : C

28. 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

29. Which of the following statements is correct?
A. Imbricate aestivation is found in papilionaceous family.
B. Generally sepals are green, leaf like and protect the flowers in the bud stage.
C. In cymose type of inflorescence, the main axis terminates in a flower, hence is limitless in growth.
D. In axile placentation ovary is one chambered but it becomes two cambered due to formation of the false septum.
Answer : B

30. Fibrous root system is better adopted than tap root system for
A. transport of organic matter.
B. absorption of water and minerals.
C. storage of food.
D. anchorage of plant to soil.
Answer : D

31. 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

32. The main purpose of phyllotaxy for the leaves is to provide sufficient_______.
A. soil
B. air
C. water
D. light
Answer : D

33. Consider the following statements regarding the root system of angiosperms and choose the correct option given below.

1. In monocots, the fibrous root system arises from the base of the stem.
2. The region of elongation is called the root hair region.
3. In sweet potato, the adventitious roots get swollen and store food.
4. The stems of maize and sugarcane have supporting roots called prop roots.

A. (i) and (ii) are correct but (iii) and (iv) are wrong.
B. (ii) and (iii) are correct but (i) and (iv) are wrong.
C. (ii) and (iv) are correct but (i) and (iii) are wrong.
D. (i) and (iii) are correct but (ii) and (iv) are wrong.
Answer : D

34. The given figures (A & B) show two types of compound leaves. Choose the option which identity the correct compound leaf and their example (c).

A. A - Pinnately compound leaf, C - Neem
B. A - Palmately compound leaf, C - Neem
C. B- Pinnately compound leaf, C - Silk cotton
D. B- Palmately compound leaf, C - Silk cotton
Answer : A

35. 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

36. Which of the following statement(s) is/are correct about calyx?
A. Calyx is the outermost whorl of the flower and are called sepals.
B. Sepals are green, leaf like and protect the flower in the bud stage.
C. The calyx may be gamosepalous (sepals free) or polysepalous (sepals united).
D. Both (a) and (b)
Answer : D

37. The given figure shows the parts of mango and coconut. Choose the option which shows the correct labelling of A, B, C and D marked in the figures. 

A. A - Epicarp, B - Mesocarp, C - Seed, D - Endocarp
B. A - Epicarp, B - Mesocarp, C - Ovule, D - Endocarp
C. A - Epicarp, B - Mesocarp, C - Ovary, D - Endocarp
D. A - Epicarp, B - Mesocarp, C - Embryo, D - Endocarp
Answer : A

38. During the post-fertilization period, the ovules develops into ___A____ and the ovary matures into a ___B ____.
A. A - seeds; B - fruit
B. A - fruit; B - seeds
C. A - flower; B - seed
D. A - seeds; B - flower
Answer : A

39. 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

40. 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

41. Matching colmun I with column II and choose the correct option.

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

42. The character of flower which is represented by floral formula but not by floral diagram is
A. aestivation
B. placentation
C. position of gynoecium
D. adhesion of stamen
Answer : C

43. 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

44. 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

45. Study the following statements and select the correct option

1. Buds are present in axil of leaflets of the compound leaf.
2. Pulvinus leaf-base is present in some leguminous plants.
3. In Alstonia, the petioles expand, become green and synthesize food.
4. Opposite phyllotaxy is seen in guava.

A. (ii) and (iv) are correct but (i) and (iii) are incorrect.
B. (i) and (iii) are correct but (ii) and (iv) are incorrect.
C. (i) and (iv) are correct but (ii) and (iii) are incorrect.
D. (ii), (iii) and (iv) are correct but (i) is incorrect.
Answer : A

46. The region of the root-tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the
A. region of maturation.
B. region of elongation.
C. region of meristematic activity.
D. root-hairs.
Answer : B

47. The root differs from stem in having
A. nodes and internodes
B. axillary buds
C. multicellular hairs
D. unicellular hairs
Answer : D

48. Match the column-I containingtypes of aestivation with their examples given in column-II and choose the correct option.

Column - I	Column-II
(Type of aestivation)	(Examples)
A. Valvate	I. Cotton
B. Twisted	II. Calotropis
C. Imbricate	III. Bean
D. Vexillary	IV. Gulmohar

A. A I; B II; C IV; D III
B. A II; B I; C IV; D III
C. A II; B IV; C I; D III
D. A II; B I; C III; D IV
Answer : B

49. The given figure shows a typical structure of monocotyledonous seeds. Identify A, B, C, D and E parts marked in the given figures. 

A. A - Endosperm, B - Embryo, C - Scutellum, D - Coleorhiza, E - Coleoptile
B. A- Embryo, B - Endosperm, C - Scutellum, D - Coleoptile, E - Coleorhiza
C. A - Endosperm, B - Embryo, C - Scutellum, D - Coleoptile, E - Coleorhiza
D. A - Embryo, B - Endosperm, C - Scutellum, D - Coleorhiza, E - Coleoptile
Answer : C

50. 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.

(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