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

1. 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

2. 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

3. Which part of plant is generally green when young and later often become woody and dark brown?
A. stem
B. seed
C. leaves
D. flower
Answer : A

4. Statement-1 : Ginger has a prostrate-growing rhizome.
Statement-2 : Shoot growth is not effected by gravity.
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 a correct explanation for statement-1.
C. Statement-1 is true and statement-2 is false.
D. Both the statements are false.
Answer : B

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

6. 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

7. 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

8. 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

9. 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

10. 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

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

12. 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

13. 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

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

15. Match column I with column II and choose the correct option.

Column-I	Column-II
A. Bud in the	I. Pitcher plant axil of leaf and venus fly trap
B. Outer layer of	II. Cacti seed coat
C. Spines	III. Testa (modified leaves)
D. Leaves modified	IV. Simple leaf to catch insects
E. Fleshy leaves	V. Garlic and onion with stored food

A. A I, B II, C III, D IV, E V
B. A V, B IV, C III, D II, E I
C. A IV, B III, C II, D I, E V
D. A IV, B II, C III, D I, E V
Answer : C

16. 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

17. 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

18. 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

19. Which of the following statement(s) is/are correct about the fruit?

1. Fruit is a mature or ripened ovary, developed before fertilization.
2. It consists of a wall or pericarp and seeds.
3. When pericarp is thick and fleshy, it is differentiated into outer mesocarp, middle epicarp and the inner endocarp.
4. In mango and coconut, the fruit is known as a berry.

A. Only (i)
B. Both (ii) and (iii)
C. Only (ii)
D. All of these
Answer : C

20. A sterile stamen is known as
A. staminode
B. anther
C. pollen grain
D. filament
Answer : A

21. 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

22. 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

23. 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

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

25. Which of the following is an example of pinnately compound leaf ?
A. Cucumber
B. Papaya
C. Cucurbita
D. Neem
Answer : D

26. 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

27. 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

28. Prop roots of banyan tree are meant for
A. respiration.
B. absorption of water from soil.
C. providing support to big tree.
D. all of the above.
Answer : C

29. 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

30. 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

31. Root hairs develop from
A. region of maturation
B. region of elongation
C. region of meristematic activity
D. root cap
Answer : A

32. 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

33. 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

34. 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

35. Roots develop from parts of the plant other than radicle are called
A. tap roots
B. fibrous roots
C. adventitious roots
D. nodular roots
Answer : C

36. Which one of the following option shows the correct labelling of the structure marked as A, B, C & D? 

A. A - Gynoecium, B - Megasporophyll, C - Ovule, D - Thalamus
B. A - Gynoecium, B - Stamen, C - Seed, D - Thalamus
C. A - Microsporophyll, B - Stamen, C - Ovule, D - Thalamus
D. A - Gynoecium, B - Stamen, C - Ovule, D - Thalamus
Answer : D

37. 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

38. Match column I with column II and choose the correct combination from the options given below.

(Position of floral parts on thalamus)	(Represented in)
A. Hypogynous	I. Ray florets of sunflower
B. Perigynous	II. Brinjal
C Epigynous	III Peach

A. A II, B I, C III
B. A I, B II, C III
C. A III, B II, C I
D. A II, B III, C I
Answer : D

39. Match the column I with column II and choose the option which shows their correct match.

Column I	Column II
A. Placentation	(i) Arrangement of flowers on the rachis
B. Aestivation	(ii) Modified shoot for sexual reproduction
C. Inflorescence	(iii) Arrangement of various whorls in the bud
D. Flower	(iv) Arrangement of ovules within an ovary

A. A - (i), B - (ii), C - (iii), D - (iv)
B. A - (iii), B - (i), C - (ii), D - (iv)
C. A - (iii), B - (i), C - (iv), D - (ii)
D. A - (iv), B - (iii), C - (i), D - (ii)
Answer : D

40. When a flower can be divided into two equal radial halves in any radial plane passing through the centre, it is known as
A. actinomorphic
B. zygomorphic
C. asymmetric
D. bisymmetric
Answer : A

41. Match the column-I containing types 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

42. 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

43. Identify the kind of phyllotaxy shown in the given figures A, B, and C. 

A. A-Alternate, B - Opposite, C - Whorled
B. A- Whorled, B - Opposite, C -Alternate
C. A-Alternate, B - Whorled, C - Opposite
D. A-Whorled, B -Alternate, C - Opposite
Answer : A

44. The given figure (A, B, and C) shows different types of roots. Identify the root which is seen in wheat plant and originate from the base of the stem? 

A. A
B. B
C. C
D. Both A and B
Answer : B

45. 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

46. 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

47. 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

48. 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
12. Tobacco
13. Lupin

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

50. Rearrange the following zones seen in the regions of root tip and choose the correct option.
(A) Root hair zone
(B) Zone of meristems
(C) Root cap zone
(D) Zone of maturation
(E) Zone of elongation
A. C, B, E, A, D
B. A, B, C, D, E
C. D, E, A, C, B
D. E, D, C, B, A
Answer : A