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Morphology of flowering plants 1000+ MCQ with answer for SSC GD

Thursday 9th of March 2023

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1. 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
2. Match the column I with column II and choose the option which shows their correct match.
Column IColumn 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
3. 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
4. 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
5. Match column-I with column-II and choose the option which shows their correct combination.
Column-IColumn-II
A. GamosepalousI. Flower of lily
B. PolysepalousII. Sterile anther
C. GamopetalousIII. Free petals
D. PolypetalousIV. Free sepals
E. EpiphyllousV. Fused petals
F. StaminodeVI. 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
6. 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
7. 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
8. 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
9. Stilt roots occur in __________ .
A. groundnut
B. rice
C. sugarcane
D. wheat
Answer : C
10. 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
11. Identify the inflorescence shown by the given figures A and B. 
q5

A. A-Cymose, B-Racemose
B. A-Racemose, B-Cymose
C. A-Racemose, B-Racemose
D. A-Cymose, B-Cymose
Answer : B
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. 
q11

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. Given figures (A, B and C) shows the position of floral parts on thalamus. (given as I, II and III) Select the correct combination.
q7

  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
14. Match column-I with column-II and choose the correct option.
A. Gram, sem, moong,I. Medicine soyabean
B. Soyabean,groundnutII. Ornamental
C. IndigoferaIII. Fodder
D. SunhempIV. Fibres
E. Sesbania, TrifoliumV. Dye
F. Lupin, sweet potatoVI. Edible oil
G. MulethiVII. 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
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
15. 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
16. 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
17. 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. 
q2

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
18. Pollen grains are produced within _________of stamen.
A. ovary
B. anther
C. filament
D. connective
Answer : B
19. Which of the following statements are correct about the leaf?
  1. Leaf is a lateral, generally flattened structure borne on the stem.
  2. It develops at the node and bears a bud in its axil.
  3. Leaves originate from root apical meristems and arranged in an acropetal order.
  4. They are the most important vegetative organs for reproduction.

A. (i) and (ii)
B. (ii) and (iii)
C. (i), (ii) and (iv)
D. all of these
Answer : A
20. 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
21. 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
22. 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
23. 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. BasalI. Dianthus
B. Free centralII. Pea
C. ParietalIII. Lemon
D. AxileIV. Marigold
E. MarginalV. 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
24. 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
25. 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
26. Matching colmun I with column II and choose the correct option.
Column IColumn II
A. ColeorhizaI. Grapes
B. Food storing tissueII. Mango
C. Parthenocarpic fruitIII. Maize
D. Single seeded fruitIV. Radicle developing from monocarpellary superior ovary
E. MembranousV. 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
27. Identify the different types of aestivation (A, B, C and D) in corolla and select the correct option. 
q6

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
28. 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
29. 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 stemI. Euphorbia
B. Stem tendrilII. Opuntia
C. Stem thornsIII. Potato
D. Flattened stemIV. Citrus
E. Fleshy cylindrical stemV. 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
30. Which type of function is performed by the fleshy leaves of onion and garlic?
A. Storage
B. Reproduction
C. Photosynthesis
D. Protection
Answer : A
31. Match column I with column II and choose the correct option.
Column-IColumn-II
A. Bud in theI. Pitcher plant axil of leaf and venus fly trap
B. Outer layer ofII. Cacti seed coat
C. SpinesIII. Testa (modified leaves)
D. Leaves modifiedIV. Simple leaf to catch insects
E. Fleshy leavesV. 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
32. 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
33. Which of the following option shows the correct labelling of the parts of leaf marked as A, B, C and D.
q4

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
34. 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
35. Stem tendrils are found in
A. cucumber
B. pumpkins
C. grapevines
D. all of these
Answer : D
36. 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
37. 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
38. 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
39. Alternate type of phyllotaxy is found in
A. china rose
B. mustard
C. sunflower
D. all of these
Answer : D
40. 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 ? 
q12

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
41. 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
42. Which of the following is an example of pinnately compound leaf ?
A. Cucumber
B. Papaya
C. Cucurbita
D. Neem
Answer : D
43. Root hairs develop from
A. region of maturation
B. region of elongation
C. region of meristematic activity
D. root cap
Answer : A
44. The root differs from stem in having
A. nodes and internodes
B. axillary buds
C. multicellular hairs
D. unicellular hairs
Answer : D
45. Identify the correct families of the given plant species (A, B and C) 
q14

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
46. 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
47. The given figure shows the parts of flowering plant. Which parts of the given figure were involved in the followingfunctions:

  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


q16

A. 5 and 6
B. 1, 2 and 6
C. 1, 2, 3 and 4
D. 2, 4, 5 and 6
Answer : A
48. 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
49. The given figures (A and B) shows the modificaiton of roots.Which of the following statements regarding the figures is correct ? 
q3

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
50. 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

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