These Plant Growth And Development NEET Question and Answers are composed by our livemcqs team specially for NEET, AIIMS, and other Medical Entrance aspirants. These NEET Questions On Plant Growth And Development cover all concepts of Chapter 15 of Class 11 Biology. You can download these Questions by clicking the Link “Plant Growth And Development NEET Questions PDF” given below.
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A Brief Description About Plant Growth And Development NEET Questions PDF
| Topic: | Plant Growth And Development NEET Question |
| Examinations: | NEET, AIIMS, JIPMER |
| Class: | 11 (CBSE/NCERT) Biology |
| No of Questions: | 100+ |
| Question type: | Multiple Choice Question |
| Question Format: | Text & PDF |
| PDF Size: | 1 MB |
| Download PDF: | Attached Below |
Plant Growth And Development NEET Questions and Answers
1. Unlimited growth of the plant, is due to the presence of which of the following?
a) Meristems
b) Tissues
c) Apical cells
d) Special organs
Answer: a
2. Which of the following kinds of growth is exhibited by plants?
a) Closed-form of growth
b) The open form of growth
c) Both open and closed form of growth
d) Fused form of growth
Answer: b
3. Which of the following meristem is responsible for the primary growth of the plant?
a) Apical meristem
b) Lateral meristem
c) Vascular cambium
d) Cork cambium
Answer: a
4. Which of the following meristem is not responsible for the secondary growth of plants?
a) Lateral meristem
b) Vascular cambium
c) Apical meristem
d) Cork cambium
Answer: c
5. Growth is a consequence of which of the following?
a) Increase in the amount of protoplasm
b) Increase in the amount of DNA
c) Increase in the amount of cytoplasm
d) Increase in the amount of RNA
Answer: a
6. One single maize root apical meristem can give rise to how many new cells per hour?
a) 1700
b) 18,000
c) 17,500
d) 17,000
Answer: c
7. In how many phases the period of growth is divided?
a) One
b) Two
c) Three
d) Four
Answer: c
8. The root and shoot apex of a plant represent which phase of the growth?
a) Maturation
b) Elongation
c) Meristematic
d) Elevation
Answer: c
9. Which of the following is not a characteristic of the cell walls of root apex meristem?
a) Secondary in nature
b) Thin
c) Cellulosic
d) Abundant plasmodesmatal connections
Answer: a
10. Which of the following is not the characteristics of the cells of the phase of elongation?
a) Increased vacuolation
b) Cell enlargement
c) Plasmodesmatal connections
d) Cell wall deposition
Answer: c
11. Which zone lies next to the phase of elongation?
a) Phase of maturation
b) Meristematic zone
c) Zone of enlargement
d) Root cap
Answer: a
12. All the cells of the plant are descendants of which of the following?
a) Apical tissue
b) Intercalary tissue
c) Meristem
d) Zygote
Answer: d
13. Development is the sum of how many processes?
a) One
b) Two
c) Three
d) Four
Answer: b
14. What is the first step in the process of plant growth?
a) Seed fermentation
b) Seed desiccation
c) Seed germination
d) Seed dormancy
Answer: c
15. Which of the following is the most fundamental characteristic of a living being?
a) Growth
b) Differentiation
c) Height
d) Heart
Answer: a
16. Which of the following is a characteristic of the cells of the maturation zone?
a) Thin-walled
b) Thick-walled
c) Enlarged cells
d) Plasmodesmatal connections
Answer: b
17. What is the growth rate?
a) Increased growth per unit distance
b) Decreased growth per unit distance
c) Increased growth per unit time
d) Intermediate growth between time and distance
Answer: c
18. The growth rate is generally of how many types?
a) One
b) Two
c) Four
d) Five
Answer: b
19. How many phases are generally there is a geometric growth curve?
a) One
b) Two
c) Three
d) Four
Answer: c
20. Which of the following curves is a characteristic of all living organisms?
a) Hyperbola
b) Straight line
c) Linear curve
d) Sigmoid curve
Answer: d
21. In how many ways the quantitative comparison between the growth of the living system can be made?
a) Two
b) Three
c) Four
d) Five
Answer: a
22. What is meant by the absolute growth rate?
a) Measurement of total growth
b) Comparison of total growth
c) Measurement and comparison of total growth per unit time
d) Measurement and comparison of total growth
Answer: c
23. Which of the following is not an essential element for the growth of the plant?
a) Water
b) Oxygen
c) Nutrients
d) Carbon-dioxide
Answer: d
24. Which of the following provides medium for enzymatic activities of the plant?
a) Oxygen
b) Soil
c) Nutrients
d) Water
Answer: d
25. Which of the following is essential for the growth of the plants?
a) Optimum Temperature
b) Very high temperature
c) Very humid atmosphere
d) Very low temperature
Answer: a
26. What is differentiation?
a) When cells only differentiate
b) When cells differentiate and mature to perform specific functions
c) When cells divide
d) When cells mature and die
Answer: b
27. Which of the following is the process undergone by plants in order to attain maturity?
a) Differentiation
b) Development
c) Dedifferentiation
d) Redifferentiation
Answer: a
28. Which of the following phenomena includes all the changes undergone by a living plant from seed emergence to death?
a) Dedifferentiation
b) Development
c) Differentiation
d) Redifferentiation
Answer: b
29. Elongation and thickening of sclerenchyma cells are an example of __________
a) dedifferentiation
b) development
c) differentiation
d) redifferentiation
Answer: c
30. Which of the following processes lead to the formation of secondary xylem and phloem?
a) Development
b) Redifferentiation
c) Dedifferentiation
d) Differentiation
Answer: b
31. Vacuolization and development of end wall perforation in sieve tube elements are examples of _______
a) development
b) differentiation
c) dedifferentiation
d) redifferentiation
Answer: b
32. The phenomenon under which living cells which have otherwise lost the capacity to divide, regain the property of division under certain conditions is known as __________
a) development
b) differentiation
c) dedifferentiation
d) redifferentiation
Answer: c
33. Which of the following phenomenon leads to the specification of functions of dedifferentiated cells upon maturity?
a) Development
b) Differentiation
c) Dedifferentiation
d) Redifferentiation
Answer: d
34. Which of the following processes lead to formation of cork cambium and interfascicular cambium?
a) Development
b) Dedifferentiation
c) Differentiation
d) Redifferentiation
Answer: b
35. Which of the following processes lead to formation of callus in plant tissue culture carried out in a laboratory?
a) No differentiation
b) Dedifferentiation
c) Differentiation
d) Redifferentiation
Answer: b
36. Cells of which of the following plant organs do not undergo differentiation?
a) Cork
b) Root apical meristem
c) Shoot apical meristem
d) Intrafasicular cambium
Answer: a
37. Who isolated the hormone auxin?
a) Darwin
b) Skoog
c) Went
d) Miller
Answer: c
38. The hormone responsible for apical dominance is________
a) IAA
b) ABA
c) GA
d) Kinetin
Answer: a
39. Phototropic and geotropic movements are linked to________
a) ethylene
b) ABA
c) GA
d) Auxin
Answer: d
40. The concentration of auxin is highest in _______
a) leaves
b) stem
c) growing tips
d) vascular bundles
Answer: c
41. The hormone which can replace vernalization is _______
a) IAA
b) ABA
c) GA
d) Kinetin
Answer: c
42. Which of the following is a terpene derivative?
a) Ethylene
b) ABA
c) Auxin
d) GA
Answer: d
43. Which of the following hormone promotes bolting?
a) GA
b) Ethylene
c) Auxin
d) Kinetin
Answer: a
44. The hormone responsible for speeding up of malting process in brewing industry is ________
a) Auxin
b) GA3
c) Ethylene
d) Kinetin
Answer: b
45. Which of the following is a gaseous hormone?
a) Ethylene
b) ABA
c) GA
d) Auxin
Answer: a
46. The hormone responsible for femaleness in cucumbers is ________
a) IAA
b) ABA
c) GA
d) Ethylene
Answer: d
47. Richmond Lang effect is linked to ________
a) Cytokinins
b) ABA
c) GA
d) NAA
Answer: a
48. The hormone antagonistic to ABA is_______
a) IAA
b) Ethylene
c) GA
d) Kinetin
Answer: c
49. The source of hormone ethylene is________
a) oats
b) ethephon
c) coconut milk
d) urine
Answer: b
50. Which of the following hormone is a stress hormone?
a) Ethylene
b) ABA
c) Auxin
d) GA
Answer: b
51. Which of the following hormone is used to induce morphogenesis in plant tissue culture?
a) Cytokinins
b) Ethylene
c) Auxin
d) ABA
Answer: a
52. The hormone responsible for enhancement of the respiration rate of fruits thereby leading to its early ripening is ________
a) Auxin
b) GA3
c) Ethylene
d) ABA
Answer: c
53. Which of the crops doesn’t show vernalisation?
a) Wheat
b) Barley
c) Rice
d) Rye
Answer: c
54. Statement A: Critical duration is different for different plants.
Statement B: The plants which are dependent on critical duration are called day-neutral plants.
a) Both the statements are true
b) Both the statements are false
c) Statement A is true but Statement B is false
d) Statement B is true but Statement A is false
Answer: c
55. Which of the following plants is a polycarpic plant?
a) Sugarbeet
b) Cabbage
c) Carrots
d) Apple
Answer: d
56. Which is the site for perception of light/dark duration?
a) Leaves
b) Stem
c) Roots
d) Apical bud
Answer: a
57. The hormone responsible for flowering is ________
a) vernalin
b) cytokinin
c) ABA
d) florigen
Answer: d
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