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NEET Transport in Plants PYQs with Solutions

228 previous year questions from Transport in Plants (NEET UG Botany) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

228 questionsBotany2001–2024Answers + solutions

About Transport in Plants PYQs

Transport in Plants has 228 previous year questions in the Quantrex Academy NEET UG Botany bank. The 220 questions in this list come from NEET (105), NTA Abhyas NEET (65), AIIMS (28) and 1 other source, spanning 2001 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET Transport in Plants PYQs with Solutions

About Transport in Plants PYQs

Questions by year (this list)

Transport in Plants questions with solutions

Which of the following helps in maintenance of the pressure gradient in sieve tubes?

In the given figure, which component has thin outer walls and highly thickened inner walls?

Match List I with List II: List I List II A.Cohesion I. More attraction in liquid phase B. Adhesion II. Mutual attraction among water molecules C. Surface tension III. Water loss

During symport two different molecules move across the membrane

Identify the correct statements regarding Mass flow hypothesis. (A) Mass flow is faster than diffusion. (B) Mass flow is the result of pressure difference between the end points.

Given below are two statements : Statement I: The process of translocation through phloem is unidirectional but through xylem, it is bidirectional. Statement II: The most readily

Movement and accumulation of ions across a membrane against their concentration gradient can be explained by:

Given below are two statements: Statement I: The forces generated by transpiration can create pressures sufficient to lift a xylem sized column of water over 130 metres high.

Which of the following is not observed during the apoplastic pathway?

Addition of more solutes in a given solution will:

&quot;Girdling Experiment&quot; was performed by Plant Physiologists to identify the plant tissue through which:

When a carrier protein facilitates the movement of two molecules across the membrane in same direction, it is called :

Match List - I with List - II. List-I List-II (a) Cohesion (i) More attraction in liquid phase (b) Adhesion (ii) Mutual attraction among water molecules (c) Surface tension (iii)

Select the incorrect statement.

The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is

Which ion helps in opening and closing of stomata?

The adsorption of water by hydrophilic compounds like cellulose and pectin in root hair cell wall is called _______.

Which of the following statement is true?

In rainy season, door gets swelled due to

Active transport of ions by the cell requires

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (a-e) make it useful as a storage material? (a) Easily

The force of tension cohesion exceeds root pressure on a

The rate of transpiration increases with the decrease of

Plasmodesmata are cytoplasmic bridges between adjacent plant cells, lined by

Which of the following does not play any role in the movement of water through the xylem?

The water potential and osmotic potential of pure water is

The most widely accepted theory of ascent of sap in trees is

Root pressure is maximum when

Which of the following has the maximum water potential?

A cell increases in volume, if the external medium is

The movement of mineral ions into plant root cells as a result of diffusion is called

Path of water movement from soil to exarch xylem is

What is the main function of anti-transpirants?

The main function of phloem is translocation of

Which of the following is/are pre-requisite(s) for imbibition? (a) Presence of mucilage in the adsorbent. (b) The affinity between the adsorbent and the liquid. (c) Water

A leaf peeling of Tradescantia is kept in a medium having 10% NaCl. After a few minutes, if we observe the leaf peel under the microscope, we are likely to see

Lowering in magnitude of water potential due to dissolution of a solute is called&

What will be the effect of the accumulation of K^ + ions in guard cells?

A cell swells up when kept in

Water potential is equal to

Consider the following: i. For a solution at atmospheric pressure Ψ _ w = Ψ _ s ii. Ψ _ w (water potential) of a cell is affected by solute potential only iii. Ψ _ p (pressure

Identify the type of transport labelled (i), (ii), and (iii) in the diagram given below.

Water potential of actively absorbing cells is

The mechanism universally accepted to describe the translocation of sugars from source to sink is called

Which of the following statements is incorrect?

Translocation of food in plants was demonstrated by

Stomata are not found in

In plants,& & & & & & & & & & & & & potential in the water column in the xylem plays a major role in water transport up a stem.

The continuous upward flow of water stream in tall trees is maintained due to ______________________.

Transpiration has more than one purpose. Which of the following is not the purpose of transpiration?

Look at the following diagram showing facilitated diffusion across the membrane. Identify its type.

How many of the following statements are not correct? [I] In a flowering plant the substances that would need to be transported are water, mineral nutrients, organic nutrients and

Which one of the following statements is wrong?

The osmotic pressure of 1 M solution of sucrose is 22.4 atm. What will be the osmotic potential& of 0.1 M sucrose solution?

The phenomenon of uptake of water at the expense of energy by the cell and usually against the osmotic gradient is known as &

Which of the following is not common between facilitated transport and active transport?

For a solution at atmospheric pressure, water potential is

The suction pressure of the cell is

Select the incorrect w.r.t cytoplasmic streaming.

Root pressure is maximum when

Exudation and guttation are due to

Diffusion rates are affected by:

Which of the following determines the diffusion of water from one cell to another?

Which one of the following statement is incorrect regarding diffusion pressure deficit (DPD)?

Which of the following transport mechanisms shows saturation of transport but does not show uphill transport?

The absorbed water can rise to the highest point by

The cohesive force of water is due to

Most herbaceous plants have only about ____________ of its fresh weight as dry matter.&

Cell A with OP = 6 and WP = 5 is surrounded by the cells with OP = 3 and TP = 2 , what will be the direction of water movement?

Accumulation of which one of the following acids results in the closure of stomata.

In flowering plants, the substances that would need to be transported are:

When a solute is mixed, the water potential of the cell

The process by which substances are transported over a long distance in plants through the vascular system is called:

Organic compounds synthesis in the plant is transported in which of the following ways in flowering plants:

If the cell is placed in a hypertonic solution, what will happen?

In facilitated diffusion

"Girdling Experiment" was performed by Plant Physiologists to identify the plant tissue through which: