These Transportation In Plants NEET Questions and Answers are composed by our livemcqs team specially for NEET, AIIMS, and other Medical Entrance aspirants. These Transport In Plants MCQ For NEET and Answers covers all concepts of Chapter 11 of Class 11 Biology. You can download these Questions by clicking the Link “Structural Organisation In Animals NEET Questions PDF” given below.
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A Brief Description About Transportation In Plants NEET Questions and Answers PDF
| Topic: | Transportation In Plants NEET Questions |
| 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 |
Transportation In Plants NEET Questions and Answers
1. Mineral Nutrients are taken up by ________
a) leaves
b) stems
c) branches
d) roots
Answer: d
2. Minerals are re-exported by __________
a) leaves
b) stems
c) branches
d) roots
Answer: a
3. Who is the Father of Plant Physiology?
a) Stephan Hales
b) Schwendener
c) Melvin Calvin
d) Lipmann
Answer: c
4. The theory proposed to explain the mechanism of stomatal movement?
a) The starch-sugar interconversion theory
b) Theory of photosynthesis in guard cell
c) Theory of glycolate metabolism
d) Active potassium transport ion concept
Answer: a
5. Plants lose water mainly by the process of _____
a) Guttation
b) Exudation
c) Transpiration
d) Evaporation
Answer: c
6. Vascular bundle is composed of _________
a) xylem
b) phloem
c) both xylem and phloem
d) cambium
Answer: c
7. Which kind of transport is present in xylem?
a) No transport
b) Unidirectional
c) Bidirectional
d) Multidirectional
Answer: b
8. Root system in a plant develops well when __________
a) deficiency of copper
b) absorption of water increases
c) deficiency of auxin
d) deficiency of ABA
Answer: b
9. Water entering roots through diffusion is a ____________
a) endosmosis
b) osmosis
c) passive absorption
d) active absorption
Answer: c
10. Which of the following does not affect the rate of diffusion?
a) Temperature
b) Pressure
c) ATP available
d) Concentration gradient
Answer: c
11. Statement A: Active transport of molecules is an uphill movement.
Statement B: Simple diffusion is non-selective process.
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: a
12. Which among the following is not the property of proteins present in the membrane that support facilitated diffusion?
a) Not liable to saturate
b) Response to inhibitors
c) Regulated by hormones
d) Highly selective
Answer: a
13. Diffusion is mainly a ________
a) mechanical process
b) physical process
c) chemical process
d) biological process
Answer: b
14. Diffusion is fastest in ________
a) carbohydrates
b) proteins
c) lipids
d) vitamins
Answer: c
15. Porins are not present in _____
a) plastids
b) bacteria
c) mitochondria
d) golgi complex
Answer: d
16. Which part of the cell contains water-like substances with dissolved molecules and suspended in them?
a) Protoplasm
b) Cytoplasm
c) Cytosol
d) Matrix
Answer: a
17. Statement A: Water is the limiting factor for plant growth and productivity.
Statement B: A minute amount of water is lost to the environment by the leaves.
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
18. The amount of water lost by plants due to transpiration and guttation?
a) 98%
b) 12%
c) 92%
d) 50%
Answer: a
19. Which potential is considered of negligible value?
a) Water potential
b) Matrix potential
c) Solute potential
d) Pressure potential
Answer: b
20. The value of water potential of pure water is ________
a) 1
b) -1
c) 0
d) -2
Answer: c
21. The greater concentration of water in a system leads to _________
a) increased transpiration
b) increased solute potential
c) hypertonic condition
d) greater kinetic energy
Answer: d
22. The unit of water potential is_________
a) psi
b) no unit
c) pascal
d) mmole per kg
Answer: c
23. Statement A: Solute potential increases with dissolution of solutes.
Statement B: The value of solute potential is always negative.
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: a
24. At atmospheric pressure, the water potential is equal to_________
a) Gravitational potential
b) Pressure potential
c) Solute potential
d) Matrix potential
Answer: c
25. The pressure built up against the cell wall of a plant cell due to diffusion of water causes the cell to become _________
a) flaccid
b) turgid
c) plasmolysed
d) imbibed
Answer: b
26. Pressure potential is ________
a) constant
b) zero
c) positive
d) negative
Answer: c
27. The space between the cell wall and the shrunken protoplast in a plasmolysed cell is occupied by ________
a) hypotonic solution
b) hypertonic solution
c) isotonic solution
d) water
Answer: b
28. Which of the following is a reversible phenomenon?
a) Plasmolysis
b) Turgidity
c) Flaccidity
d) Imbibition
Answer: a
29. Imbibition is commonly seen in _____
a) liquids
b) gases
c) suspension
d) colloids
Answer: d
30. Which of the following is not an important determinant of the movement of molecules in or out of the cell?
a) Cell membrane
b) Thickness of membrane
c) Tonoplast
d) Membrane of vacuole
Answer: b
31. Statement A: Osmotic pressure is negative.
Statement B: Osmotic potential is also negative.
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: d
32. Bulk flow system occurs as a result of difference in ________
a) Height
b) Side of leaf
c) Pressure
d) Temperature
Answer: c
33. The pathway of absorption of water involving system of interconnected protoplasts is _______
a) apoplastic pathway
b) symplastic pathway
c) diffusion
d) pressure flow of hypothesis
Answer: b
34. Water loss in its liquid phase from special openings of veins near the tip of grass blades is termed as _________
a) guttation
b) exudation
c) girdling
d) transpiration
Answer: a
35. Symbiotic association of fungus with the plant root system is known as ________
a) mutualism
b) nodules
c) ureides
d) mycorrhiza
Answer: d
36. Apoplastic pathway is discontinuous at _______
a) epidermis
b) cortex
c) casparian strips
d) pericycle
Answer: c
37. Statement A: Garden hose is an example of positive hydrostatic pressure.
Statement B: Suction through straw is an example of negative hydrostatic pressure.
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: a
38. Translocation occurs through _____
a) xylem only
b) phloem only
c) plasmodesmata
d) Vascular tissues
Answer: d
39. The extensions of root epidermal cells which increase the surface area for absorption are called as _______
a) casparian strips
b) root hairs
c) sieve plates
d) tracheids
Answer: b
40. Which of the following is not a function of stomata?
a) Regulation of turgidity of guard cells
b) Loss of water vapor
c) Loss due to guttation
d) Exchange of O2 and CO2
Answer: c
41. Statement A: C3 plants are twice efficient as C4 plants in terms of fixing carbon dioxide.
Statement B: C4 plant loses twice the amount of water as C3 plant for same amount of CO2 fixed.
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: b
42. Which among the following is an external factor affecting transpiration?
a) Light
b) Number of stomata
c) Canopy structure
d) Water status of plant
Answer: a
43. Which among the following is an internal factor affecting transpiration?
a) Temperature
b) Humidity
c) % open stomata
d) Wind speed
Answer: c
44. The small diameter of the tracheary elements increases ___________
a) adhesion
b) cohesion
c) tensile strength
d) capillarity
Answer: d
45. Statement A: Inner wall is pushed outwards
Statement B: Outer wall is pulled outwards
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: d
46. Statement A: Transpiration creates pressure in xylem sufficient enough to transport water up to 130 m high.
Statement B: Transpiration creates a pushing force.
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
47. Plants obtain hydrogen from _________
a) atmospheric hydrogen
b) water in soil
c) methane from fertilizers
d) H2 from sunlight
Answer: b
48. Which of the following is not a sink for transfer of mineral elements?
a) Seeds
b) Lateral meristems
c) Leaves
d) Developing fruits
Answer: c
49. Nitrogen cannot travel in plants in form of _________
a) atmospheric nitrogen
b) inorganic ions
c) amino acids
d) ammonia
Answer: a
50. Element which cannot be remobilized include _______
a) N
b) P
c) K
d) Ca
Answer: d
51. Statement A: Minerals are present in the soil in the form of charged particles.
Statement B: Concentration of minerals is lower in root than in soil.
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
52. Which of the following is a part of structural component?
a) N
b) Ca
c) P
d) K
Answer: b
53. The control points or transport proteins are present in _______
a) endodermal cells
b) root hairs
c) epidermal cells
d) cells of cortex
Answer: b
54. Statement A: Most minerals enter the epidermal cells passively.
Statement B: Uptake of water is by the process of diffusion.
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: b
55. The phloem sap consists of _________
a) amino acids
b) sucrose
c) hormones
d) stachyose
Answer: b
56. Sucrose is translocated through phloem can be demonstrated by ________
a) ringing the stem
b) defoliation
c) grafting
d) root pressure
Answer: a
57. Define exudation.
a) Coming out of xylem sap from tips of leaves
b) Loss of water from living aerial tissue in form of vapors
c) Oozing out of liquid from pores and wounds
d) Movement of substances through vascular bundles
Answer: c
58. Statement A: The process of phloem loading is an active process.
Statement B: The process of phloem unloading is a passive process.
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
59. Who gave the mechanism of pressure flow hypothesis?
a) Ernst Munch
b) Henry Dixon
c) Steward
d) Adolph Fick
Answer: a
60. Which condition develops during the process of loading at the phloem tissue?
a) No change
b) Isotonic
c) Hypotonic
d) Hypertonic
Answer: d
61. Which is the most accepted mechanism for the translocation of sugars from source to sink?
a) Pressure flow hypothesis
b) Cohesion-tension theory
c) Root pressure theory
d) Imbibition
Answer: a
62. Statement A: Xylem is multi-directional in nature.
Statement B: Phloem is unidirectional in nature.
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: b
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