Morphology of flowering plants MCQ Solved Paper for SSC CGL

1. The region of the root-tip which is involved in the formation of root hairs by epidermal cells is called the
A. region of maturation.
B. region of meristematic activity.
C. region of elongation.
D. none of the above.
Answer : A

2. 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

3. 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

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

5. 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

6. 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

7. The region of the stem where leaves are born are called ____________ while ____________ are the portions between two ____________.
A. nodes, nodes and internodes
B. nodes, internodes and nodes
C. internodes, nodes and nodes
D. internodes, internodes and nodes
Answer : B

8. 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

9. 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

10. The given figure shows the parts of flowering plant. Which parts of the given figure were involved in the following functions:

1. Storing reserve food material


2. Synthesis of plant growth regulators.


3. Absorption of water and minerals from the soil.


4. Providing a proper anchorage to the plant parts

A. 5 and 6
B. 1, 2 and 6
C. 1, 2, 3 and 4
D. 2, 4, 5 and 6
Answer : A

11. 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

12. 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

13. 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

14. 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

15. Stem tendrils are found in
A. cucumber
. pumpkins
C. grapevines
D. all of these
Answer : D

16. 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

17. 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

18. 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

19. 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

20. 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

21. 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

22. 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

23. 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

24. 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

25. 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

26. 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

27. 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

28. 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

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

30. 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

31. 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, epipetalos
Answer : C

32. 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

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

34. Which of the following statements are correct?

1. From the region of elongation, some of the epidermal cells form root hairs.
2. Pneumatophores are seen in Rhizophora.
3. Adventitious roots are seen in the banyan tree.
4. Maize and sugarcane have prop roots.

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

35. 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

36. When a flower has both androecium and gynoecium, it is known as__________.
A. asexual
B. bisexual
C. unisexual
D. multisexual
Answer : B

37. Given figures (A, B and C) shows the position of floral parts on thalamus. (given as I, II and III) Select the correct combination.

1. Hypogynous flower


2. Perigynous flower


3. Epigynous flower

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

38. 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

39. 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

40. 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

41. 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

42. Which of the following option shows the correct labelling of the parts of leaf marked as A, B, C and D.

A. A - Lamina, B - Axillary bud, C - Stipule, D - Leaf base
B. A - Lamina, B - Stipule, C - Axillary bud, D - Leaf base
C. A - Lamina, B - Axillary bud, C - Stipule, D - Pedicel
D. A - Leaflet, B - Axillary bud, C - Stipule, D - Leaf base
Answer : A

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

44. 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

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

46. Which one of the following structure is not associated with gynoecium?
A. Ovary
B. Style
C. Stigma
D. Filament
Answer : D

47. Which of the following part elongates directly and leads to the formation of primary roots?
A. bud
B. radicle
C. plumule
D. root hair
Answer : B

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

49. 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

50. Read the following statements and answer the questions.

1. Gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level.
2. Ovary is half-inferior.
3. Examples are plum, rose and peach.

Which condition of flowers is being described by the above statements ?
A. hypogyny
B. perigyny
C. epigyny
D. none of these
Answer : B