• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar
  • Skip to footer

CBSE Tuts

CBSE Maths notes, CBSE physics notes, CBSE chemistry notes

  • NCERT Solutions
    • NCERT Solutions for Class 12 English Flamingo and Vistas
    • NCERT Solutions for Class 11 English
    • NCERT Solutions for Class 11 Hindi
    • NCERT Solutions for Class 12 Hindi
    • NCERT Books Free Download
  • TS Grewal
    • TS Grewal Class 12 Accountancy Solutions
    • TS Grewal Class 11 Accountancy Solutions
  • CBSE Sample Papers
  • NCERT Exemplar Problems
  • English Grammar
    • Wordfeud Cheat
  • MCQ Questions

NEET Biology Chapter Wise Mock Test – Plant Growth and Development

NEET Biology Chapter Wise Mock Test – Plant Growth and Development

1. Growth of an organism is characterised by
(a) an irreversible permanent increase in size of an organ
(b) an irreversible permanent increase in size of a cell
(c) Both (a) and (b)
(d) reversible permanent changes

2. Plant growth is unique because
(a) plant retains the capacity for unlimited growth
(b) plant retains the capacity for limited growth
(c) plants have diffused growth that differes from animals
(d) None of the above

3. Plant growth is measured by
(a) auxanometer
(b) porometer
(c) potometer
(d) respirometer

4. Growth can be measured in various ways, which of these can be used as parameters to measure growth
(a) increase in cell number
(b) increase in cell size
(c) increase in length and weight
(d) All of the above

5. The term synergistic action of hormones refers to
(a) When two hormones act together but bring about opposite effects
(b) When two hormones act together and contribute to the same function
(c) When one hormone affects more than one function
(d) When many hormones bring about any one function

6. The phenomenon of growth is immediately followed by
(a) senescence
(b) differentiation
(c) development
(d) maturation

7. Growth is maximum in the zone of
(a) cell division
(b) cell elongation
(c) cell maturation
(d) All of these

8. The usual shape of growth curve is
(a) linear
(b) inverted bell-shaped
(c) sigmoidal
(d) zig-zag

9. Maximum growth occurs during
(a) stationary phase
(b) lag phase
(c) exponential phase
(d) senescent phase

10. The ‘grand phase’ corresponds to
(a) lag phase
(b) log phase
(c) linear phase
(d) senescence phase

11. Plasticity in plant growht means that
(a) plant roots are extensible
(b) plant development is dependent on the environment
(c) stems can extend
(d) None of the above

12. Arrange the above below steps of geometrical growth (from beginning to last) in a correct sequence of their occurrence. Choose the correct option. ‘
I. Lag phase
II. Stationary phase
III. Exponential phase
(a) I ->II -> III
(b) I ->lll ->ll
(c) lll–>ll->l
(d) III ->l ->ll

13. In geometrical growth, log phase is represented by
(a) rapid consumption of nutrient
(b) rapid increment of cell number .
(c) highest growth rate
(d) All of the above

14. Which one is an example of redifferentiation?
(a) Cork cambium
(b) Secondary cortex
(c) Meristems
(d) Interfascicular cambium

15. Match the following columns.
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 1
Codes
ABC       ABC
(a) 1 3 2 (b) 3 2 1
(c) 1 2 3 (d) 3 1 2

16. Which is the example of dedifferentiation?
(a) Procambium and vascular cambium
(b) Cork cambium and interfascicular cambium
(c) Cork cambium and vascular cambium
(d) Procambium and cork cambium

17. Environment heterophylly is seen in
(a) cotton
(b) coriander
(c) larkspur
(d) buttercup

18. Diagram A and B indicate the shape of leaves in larkspur and buttercup respectively, choose the correct option.
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 2
(a) The juvenile and adult leaf of larkspur differ in size due to genetic and plant growth regulator factors
(b) Both leaf of buttercup differ in size due to genetic and
intercellular factors
(c) Both larkspur and buttercup leaf size variation is due to habitat plasticity
(d) None of the above

19. Avena curvature test is a bioassay for examining the activity of
(a) auxins
(b) gibberellins
(c) cytokinins
(d) ethylene

20. Which of the following acids is a derivative of carotenoids?
(a) Indole butyric acid
(b) lndole-3-acetic acid
(c) Gibberellic acid
(d) Abscisic acid

21. One of the synthetic auxin is
(a)NAA
(b)IAA
(c) GA
(d) I BA

22. Auxin synthesis occurs in
(a) root/shoot tips
(b) cortex
(c) xylem
(d) phloem cells

23. Sprouting of potato under storage condition can be prevented by
(a) auxin
(b) gibberellin
(c) ethylene
(d) cytokinin

24. The auxin 2, 4, 5-T is
(a) phenoxy acid
(b) benzoic acid
(c) indole auxin
(d) naphthalenic acid

25.Mobilisation of stored food in germinating seed is triggered by
(a) ABA
(b) GA
(c) cytokinin
(d) ethylene

26.Gibberellins can promote seed germination because of their influence on
(a) rate of cell division
(b) production of hydrolysing enzymes
(c) synthesis of abscisic acid
(d) absorption of water through hard seed coat

27.Dwarfness can be controlled by treating plants with
(a) cytokinin
(b) gibberellic acid
(c) auxin
(d) anti-gibberellin .

28.The affect of apical dominance can be overcome by which of the following hormone?
(a) IAA
(b) Ethylene
(c) Gibberellin
(d) Cytokinin

29.Which of the following hormone is concerned mainly with root initiation?
(a) I BA
(b) ABA
(c)GA3
(d) CK

30.To increase sugar production in sugarcanes, they are sprayed with
(a) IAA
(b) cytokinin
(c) gibberellin
(d) ethylene

31.GA4 and GA5 were isolated from
(a) Gibberella
(b) Gibberella and bean seeds respectively
(c) bean seeds and Gibberella respectively
(d) bean seeds,

32.Coconut milk factor is
(a) auxin
(b) gibberellic acid
(c) abscisic acid …
(d) cytokinin

33.Coconut milk contains
(a) ABA
(c) cytokinin
(b) auxin
(d) gibberellin

34.Etiolation of plants is caused when they
(a) are grown in dark
(b) have mineral deficiency
(c) are-grown in intense light
(d) are grown in blue light

35.Induction of cell division and delay in senescence is done by
(a) cytokinin
(b) kinetin
(c) gibberellin
(d) auxin

36.Stimulation of cell division is concerned with
(a) cytokinin
(b) gibberellin
(c) auxin
(d) florigen

37.Richmond-Lang effect is shown by
(a) auxin
(b) gibberellins
(c) kinetin
(d) sugars

38. The synthesis of cytokinins is thought to occur mainly in the
(a) shoot tips
(b) root tips
(c) leaf tips
(d) young fruits

39. The senescence of detached leaves can be delayed by the application of
(a) IAA
(b)NAA
(c) 2,4-D
(d) CK

40. Hormone inducing fruit ripening is
(a) ethylene
(b) cytokinin
(c) gibberellic acid
(d) abscisic acid

41. Fruit drop is caused by
(a) more auxin in fruit than in stem
(b) less auxin in fruit than in stem
(c) equal distribution of auxin in stem and fruit
(d) the absence of auxin in stem and fruit

42. For ethylene production in plants, oxygen is
(a) essential
(b) not essential
(c) required in the initial stages
(d) required in later stages ’

43. Major precursor of ethylene production in plants is
(a) lysine
(b) methionine
(c) alanine
(d) valine

44. Function of ABA is
(a) apical dominance
(b) monocyte
(c) cell division
(d) seed germination

45. Leaf abscission is caused by
(a) ABA
(b) cytokinin
(c) auxin
(d) gibberellin

46. Primary and secondary growth are inhibited by
(a) auxin
(b) gibberellin
(c) abscisic acid
(d) cytokinins

47. Hormone responsible for ageing is
(a) GA
(b) IAA
(c) ABA
(d) cytokinin

48. Match the following columns.
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 3
Codes
ABC D E
(a) 1 2 3 4 5
(b) 5 4 3 2 1
(c) 5 4 1 2 3
(d) 4 5 1 2 3

49. ABA acts as antagonistic to

(a) ethylene
(b) cytokinin
(c) gibberellic acid
(d) IAA

50. Which of the given is a long-day plant?
(a) Glycine max
(b)Spinach
(c) Chrysanthemum
(d)Tomoto

51. Phytochrome is found in
(a) algae
(b)Fungi
(c) flowering plants
(d) all vasucular plants

52. Which pigment involves in photoperiodic change in plants?
(a) Phytochrome
(b)Cytochrome
(c) Chlorophyll
(d)Anthocyanin

53. Short-day plant is
(a) Xanthium
(b)Pisum
(c) Cucumis
(d)Avena

54. Flowering in long-day plants is favoured by
(a) ethylene
(b) gibberellin
(c) cytokinin
(d) auxin

55. Most of the plants are seasonal due to the
(a) photoperiodism
(b) phototropism
(c) photosynthesis
(d) photolysis

56. A plant detects the direction of light by means of
(a) pigments
(b) stomatal size
(c) amyloplasts
(d) heat receptors

57. The photoperiod in plants is perceived at
(a) meristem
(b) flower
(c) floral buds
(d) leaves

58. Photoperiod was first observed in
(a) potato
(b) Maryland mammoth
(c) four O’ clock
(d) evening primrose

59.Match the following columns .
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 4

60. Hormone responsible for vernalisation is
(a) florigen
(b) caulocaline
(c) abscissin
(d) vernaline

61. Temperature required for vernalisation is
(a) 5°C to 10°C
(b) 5°C to 15°C
(c) 0°C to 5°C
(d) 3°C to 17°C

62. Examples of plants which requires vernalisation is/are
(a) pea
(b) beet
(c) cabbage
(d) All of these

63. Winter varieties of wheat and barley are planted in
(a) spring season
(b) winter season
(c) autumn season
(d) summer season

64. The preception of stimulus of cold treatment vernalisation is received by
(a) leaves
(b) shoot apex
(c) axiflary buds
(d) ethylene

65. Match the following columns.
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 5
Codes
A B C D
(a) 1 2 3 4
(b) 4 1 2 3
(c) 4 2 3 1
(d) 1 4 3 2

66. Identify A, B and C in the given graph and choose the correct option accordingly.
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 6
Codes
A B C D
(a) 3 5 1 2
(b) 1 . 3 2 4
(c) 5 4 2 1
(d) 3 2 1 5

67.Match the following columns.
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 7

Codes
A B C D
(a) 3 5 1 2
(b) 1 3 2 4
(c) 5 4 2 1
(d) 3 2 1 5

Direction (Q.Nos. 68-76) In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.

68. Assertion Differentiation is a process in which plant undergoes maturation.
Reason During differentiation, cells loose their protoplasm.

69. Assertion Abscisic Acid (ABA) is-also known as stress hormone.
Reason It is produced in much higher amounts, when plants are subjected to stress.

70. Assertion Short-day plants generally require light period of less than 12 h and continuous dark period of about 14-16 h.
Reason Spinach is a short-day plant.

71. Assertion Vernalisation is an aerobic process.
Reason In the absence of oxygen, the cold treatment becomes completely ineffective.

72. Assertion Auxins have controlling influence on the abscission of leaves, fruits, etc.
Reason Auxins also break dormancy.

73. Assertion Flowers also synthesise ethylene just before they fade and wither.
Reason Abscisic acid helps in flowering.

74. Assertion The shoot apical meristems are the only source of auxin synthesis.
Reason Dormancy of lateral buds is due to the higher accumulation of auxins.

75. Assertion Vernalisation is artificial treatment given to plant.
Reason Vernalisation is perceived by meristematic cells of whole plants.

76. Assertion Sigmoid curve of growth consist of four parts.
Reason Log phase is also called grand phase of growth.

77. What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?
(a) Green plants need light to perform photosynthesis
(b) Green plants seek light because they are phototropic
(c) Light stimulates plant cells on the lighted side to grow faster
(d) Auxin accumulates on the shaded side, stimulating greater cell elongation there

78. Typical growth curve in plants is
(a) sigmoid
(b) linear
(c) stair-steps shaped
(d) parabolic

79. Dr. F Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. Of what significance is this experiment?
(a) It made possible the isolation and exact identification of auxin
(b) It is the basis for quantitative determination of small amounts of growth-promoting substances
(c) It supports the hypothesis that IAA is auxin
(d) It demonstrated polar movement of auxins

80. Which one of the following growth regulators is known as ‘stress hormone’?
(a) Abscisic acid
(b) Ethylene
(c) GA3
(d) Indole acetic acid

81. During seed germination its stored food is mobilised by
(a) ethylene
(b) cytokinin
(c) ABA
(d) gibberellin

82. Through their effect on plant growth regulators, what do the temperature and light control in the plants?
(a) Apical dominance
(b) Flowering
(c) Closure of stomata
(d) Fruit elongation

83. Which one of the following generally acts as an antagonist to gibberellins?
(a) Zeatin
(b) Ethylene
(c) ABA
(d) IAA

84. Vernalisation stimulates flowering in
(a) zimikand
(b) turmeric
(c) carrot
(d) ginger

85.is the result of uneven
(a) gibberellin
(b) phytochrome
(c) cytokinins
(d) auxin

Answers :
NEET Biology Chapter Wise Mock Test - Plant Growth and Development 8

BiologyPhysicsChemistry

Primary Sidebar

NCERT Exemplar problems With Solutions CBSE Previous Year Questions with Solutoins CBSE Sample Papers
  • The Summer Of The Beautiful White Horse Answers
  • Job Application Letter class 12 Samples
  • Science Lab Manual Class 9
  • Letter to The Editor Class 12 Samples
  • Unseen Passage For Class 6 Answers
  • NCERT Solutions for Class 12 Hindi Core
  • Invitation and Replies Class 12 Examples
  • Advertisement Writing Class 11 Examples
  • Lab Manual Class 10 Science

Recent Posts

  • Understanding Diversity Question Answer Class 6 Social Science Civics Chapter 1 NCERT Solutions
  • Our Changing Earth Question Answer Class 7 Social Science Geography Chapter 3 NCERT Solutions
  • Inside Our Earth Question Answer Class 7 Social Science Geography Chapter 2 NCERT Solutions
  • Rulers and Buildings Question Answer Class 7 Social Science History Chapter 5 NCERT Solutions
  • On Equality Question Answer Class 7 Social Science Civics Chapter 1 NCERT Solutions
  • Role of the Government in Health Question Answer Class 7 Social Science Civics Chapter 2 NCERT Solutions
  • Vital Villages, Thriving Towns Question Answer Class 6 Social Science History Chapter 9 NCERT Solutions
  • New Empires and Kingdoms Question Answer Class 6 Social Science History Chapter 11 NCERT Solutions
  • The Delhi Sultans Question Answer Class 7 Social Science History Chapter 3 NCERT Solutions
  • The Mughal Empire Question Answer Class 7 Social Science History Chapter 4 NCERT Solutions
  • India: Climate Vegetation and Wildlife Question Answer Class 6 Social Science Geography Chapter 8 NCERT Solutions
  • Traders, Kings and Pilgrims Question Answer Class 6 Social Science History Chapter 10 NCERT Solutions
  • Environment Question Answer Class 7 Social Science Geography Chapter 1 NCERT Solutions
  • Understanding Advertising Question Answer Class 7 Social Science Civics Chapter 7 NCERT Solutions
  • The Making of Regional Cultures Question Answer Class 7 Social Science History Chapter 9 NCERT Solutions

Footer

Maths NCERT Solutions

NCERT Solutions for Class 12 Maths
NCERT Solutions for Class 11 Maths
NCERT Solutions for Class 10 Maths
NCERT Solutions for Class 9 Maths
NCERT Solutions for Class 8 Maths
NCERT Solutions for Class 7 Maths
NCERT Solutions for Class 6 Maths

SCIENCE NCERT SOLUTIONS

NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 7 Science
MCQ Questions NCERT Solutions
CBSE Sample Papers
NCERT Exemplar Solutions LCM and GCF Calculator
TS Grewal Accountancy Class 12 Solutions
TS Grewal Accountancy Class 11 Solutions