MCQ Questions For Class 11 Biology Chapter 11 Transport In Plants With Answer PDF | NEET MCQ Transport In Plants

MCQ questions for class 11 biology chapter 11 : MCQs Questions for Class 11 Biology Chapter 11 NEET MCQ Transport in Plants question with Answers PDF Free Download prepared here according to the latest CBSE RBSE ans other State Board syllabus and NCERT curriculum. Students can practice CBSE Class 11 Biology MCQs Multiple Choice Questions for all Chapter. NEET MCQ Transport in Plants

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MCQs questions for class 11 biology chapter 11 PDF Download

MCQs questions for class 11 biology chapter 11 NEET MCQ Transport in Plants with answer PDF Free Download

Q1. Potometer works on the principle of

(a) Root pressure
(b) Amount of water absorbed equals to the amount transpired
(c) Osmotic pressure
(d) Potential difference between the tip of the tube and that of the plant

(b) Amount of water absorbed equals to the amount transpired

Q2. The rate of transpiration of a plant would gradually increase if

(a) Relative humidity decreases
(b) Relative humidity remains unchanged
(c) Relative humidity increases
(d) Water potential gradient remains unchanged

(a) Relative humidity decreases

Q3. The molecules which move from higher to lower regions are called as Biology NEET MCQ Transport in Plants

(a) Imbibition
(b) Diffusion
(c) Osmosis
(d) Guttation

(b) Diffusion

Q4. Cohesion-tension theory is related to

(a) Transpiration
(b) Respiration
(c) Ascent of sap
(d) Photosynthesis

Q5. A concept fundamental to understanding water movement is called

(a) Pressure potential
(b) Water potential
(c) Solute potential
(d) Concentration gradient

(b) Water potential

Q6. In wall of guard cell, cellulose microfibrils are arranged

(a) Transversely
(b) Tangently
(c) Radially
(d) Obliquely

Q7. Rupture and fractionalization of water column present in treachery elements does not occur during ascent of sap due to

(a) Cohesion and adhesion
(b) Lignified thick walls
(c) Weak gravitational pull
(d) Transpirational pull

(a) Cohesion and adhesion

Q8. Which one of the following will not directly affect transpiration?

(a) Temperature
(b) Chlorophyll content of leaves
(c) Wind speed
(d) Light

(b) Chlorophyll content of leaves

Q9. The system of adjacent cell walls that is continuous throughout the plant is called as Biology NEET MCQ Transport in Plants

(a) Symplast
(b) Apoplast
(c) Guttation
(d) Root pressure

(b) Apoplast

Q10. Transport over longer distances proceeds through the vascular system

(a) Osmosis
(b) Translocation
(c) Transpiration
(d) Diffusion

(b) Translocation

Q11. Rate of transpiration is highest when

(a) Soil is dry and air is humid
(b) Soil is wet and air is dry
(c) Both soil and air are dry
(d) Soil is wet and air is humid

(b) Soil is wet and air is dry

Q12. Stomata close down if relative humidity of atmosphere falls below

(a) 50%
(b) 70%
(c) 80%
(d) 60%

(a) 50%

Q13. ψp denotes to

(a) Water potential
(b) Negative potential
(c) Pressure potential
(d) Solute potential

Q14. Choose the correct sequence of water movement in the plants.

(a) Cortex, protoxylem, endodermis, root hair, pericycle, metaxylem
(b) Root hair, cortex, endodermis, pericycle, protoxylem, metaxylem
(c) Root hair, protoxylem, metaxylem, pericycle, cortex, endodermis
(d) Root hair, pericycle, endodermis, cortex, protoxylem, metaxylem

(b) Root hair, cortex, endodermis, pericycle, protoxylem, metaxylem

Q15. Wilting of a plant results from excessive

(a) respiration
(b) photosynthesis
(c) absorption
(d) transpiration

(d) transpiration

Q16. Cohesion theory of water movement in plants was put forth by NEET Biology MCQ

(a) Henry Dixon
(b) F. F. Blackman
(c) Melvin cycle
(d) Hans. A. Krebs

(a) Henry Dixon

Q17. Diffusion rate is affected by

(a) temperature
(b) membrane permeability
(c) gradient of concentration
(d) all of these

(d) all of these

Q18. When a plant is girdled (ringed)

(a) the root and shoot die at the same time
(b) the shoot dies first
(c) the root dies first
(d) neither root nor shoot will die

Q19. Choose the correct statement/statements. Pumps in active transport are A. Lipids that bind molecules to pass them through the membrane. B. Transport molecules uphill. C. These are specific transporters. D. These are sensitive to inhibitors.

(a) A and C
(b) A, B and D
(c) B, C and D
(d) C and D

Q20. Assertion (A): K+ ion accumulation found in Nitella depends on its respiratory activity. Reason (R): Absorption of all ions in plants completely depends on the usage of metabolic energy. The correct answer is

(a) A and R are true and R is the correct explanation of A
(b) A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Q21. Munch hypothesis is based on

(a) Translocation of food due to turgor pressure gradient and imbibition force
(b) Translocation of organic solutes
(c) Translocation of food due to turgor pressure gradient
(d) Translocation of food due to imbibition force

Q22. In plants, capillarity is aided by the small diameter of

(a) Trachery elements
(b) Cortical cells
(c) Parenchyma cells
(d) Phloem tissue

(a) Trachery elements

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