Neet Questions Transport In Plants

Assess your knowledge on Transport in plants, the eleventh chapter classified under Unit 4, Plant physiology in the Class 11 NEET Biology syllabus, and find your score [here](insert link).

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Important NEET Questions on Class 11 Chapter 11 Transport In Plants

1. Which of the following facilitates the opening of stomatal aperture?

(NEET 2017)

A. Contraction of outer wall of guard cells

Longitudinal Orientation of Cellulose Microfibrils in Guard Cell Walls

C. Radial Orientation of Cellulose Microfibrils in the Cell Wall of Guard Cells

D. Decrease in Turgidity of Guard Cells

Which one of the following test results indicates that the sap collected is phloem sap? (NEET-II 2016)

A. Absence of Sugar

B. Low Refractive Index

C. Alkaline

D. Acidic

The column of water within xylem vessels of tall trees does not break under its weight due to cohesion-tension theory, first proposed in 2015.

A. Tensile Strength of Water

B. Dissolved Sugars in Water

C. Positive Root Pressure

D. Lignification of Xylem Vessels

This criteria does not apply to facilitated transport (NEET 2013)

A. High Selectivity

B. Requirement of Special Membrane Proteins

C. Uphill Transport

D. Transport Saturation

In land plants, guard cells are distinct from other epidermal cells in that they possess specialized features (2011).

A. Chloroplasts

B. Endoplasmic Reticulum

C. mitochondria

D. Cytoskeleton

6. Guttation is the result of transpiration (Mains 2011)

A. Root Pressure

B. Osmosis

C. Transpiration

D. Diffusion

7. The rupture and fractionation of vessel/tracheids usually do not occur in the water column during the ascent of sap due to (2008)

A. Cohesion and Adhesion

B. Transpiration Pull

C. Lignified Thick Walls

D. Weak Gravitational Pull

The translocation of organic solutes in sieve-tube members was supported by a study in 2006

A. Mass Flow Involving a Carrier and ATP

B. P-proteins

C. Root Pressure and Transpiration Pull

D. Cytoplasmic Streaming

Loading of Phloem is Related to 2001

A. Strengthening of Phloem Fiber

B. Separation of Phloem Parenchyma

C. Elongation of Phloem Cell

D. Increase of sugar in phloem

10. Stomata opening is induced by Glycolate in (2001)

A. Carbon Dioxide Absent

B. High Carbon Dioxide

C. Low Carbon Dioxide Concentration

D. Presence of Oxygen

Question Answer Key

| 1 | C |

| 2 | C |

| 3 | A |

| 4 | C |

| 5 | A |

| 6 | A |

| 7 | A |

| 8 | B |

| 9 | D |

| 10 | C |

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