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Transport in Plants — NEET UG Biology PYQs

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

Transport in Plants — NEET UG Biology PYQs

The value of root pressure is about __________ to __________ bars which is enough to pump water to a height of 10 to 20 meters in plants.

Water can easily rise in capillaries due to the following EXCEPT __________.

Water in the xylem cells of plants shows capillarity due to its properties like ___________.

How much of water is passively absorbed by the plant?

Read the following statements and choose the correct answer from the options given below: (A). Diffusion is the movement of ions/ atoms/ molecules of a substance from the region of

Water can easily rise through the conducting elements of xylem due to _____.

Active absorption of water by roots is _____.

The cortical cell absorbs water from the root hair cell because ___.

Which of the following sets of conditions favour the opening of stomata?

Which type of mineral absorption shows a sudden drop when the roots are deprived of oxygen?

The term water potential is also used for ________ pressure.

Which one of the following is NOT needed for the facilitated diffusion in plants?

When a few plasmolysed cells are kept in ____________ solution, the cells become turgid.

Which one of the following is NOT an objection against capillarity theory of ascent of sap in plants?

Roots absorb water from soil by employing three physical processes, sequentially. Identify their correct sequence.

All the following are examples of vertical transport of food through phloem EXCEPT:

Which of the following statements are correct about absorption of water in plants? A. When water is absorbed by root hair cell its turgor pressure increases. B. Its D.P.D. decrease

Given below are two statements: Statement I: Water always flows from a cell having less negative potential to cell having more negative potential. Statement II: Difference between

Which one of the following does NOT favour absorption of water in plants?

If any solute is added in pure water, what will be the effect on the value of water potential?

Given below are two statements: Statement (I): Due to endo-osmosis water from surrounding cells and xylem, is absorbed. Statement (II): Due to decrease in turgor pressure, sugar fr

Select the correct statement from the following.

Which is the driving force for the process of passive absorption of water in roots?

Match List I with List II List I (Types of translocation) List II (Path of translocation) (A). Radial translocation (I). From leaves to growing point of stem (B). Tangential transl

Which one of the following does NOT favour absorption of water in plants?

Given below are two statements regarding the root pressure theory of translocation of water in plants. Statement (I): Under normal conditions, the sap in the xylem cells shows nega

How many of the following statements are correct about diffusion in plants? (A). Diffusion is the movement of substances from higher concentration to lower concentration. (B). Wate

The water in the xylem cells of plants shows capillarity due to properties like ____. (A). surface tension (B). adhesive forces (C). cohesive forces (D). neutral pH Choose the corr

According to capillarity theory, ______ alone causes the ascent of sap in plants.

In plants, a hypotonic solution is NOT ____.

The kind of passive absorption of anions against the concentration gradient, in order to neutralize the effect of fixed cations in the cell, is called ____.

According to the proton transport theory of stomatal mechanism, protons are formed in guard cells when ____.

Stomatal transpiration takes place during day time in the following plants EXCEPT________.

Read the given statements: (A). Rate of lenticular transpiration is very high. (B). Lenticular transpiration contributes only 0.1 to 1 % of the total transpiration. The correct sta

Which of the following statements are correct? (A). Passive absorption occurs during day time when transpiration is in progress. (B). Passive absorption stops at night when transpi

Given below are two statements: Statement (I): Transportation in organisms and animals occurs by diffusion and by passive transport between the cells. Statement (II): This mechanis

Match List I with List II List I (Mechanism of absorption) List II (Substance to be absorbed) (A). Simple diffusion (I). Sodium (B). Facilitated transport (II). Glucose (C). Active

Which of the following is NOT true with respect to facilitated diffusion ?

Rate of cuticular transpiration is ------------------ to the thickness of cuticle.

Given below are two statements related to the apoplast pathway: Statement (I): When some amount of water passes across the root through the cell wall and the intercellular spaces o

Path of water movement from soil to xylem is

Which one of the following statements is correct? Statement (I): Faciliated diffusion is an active absorption which require membrane protein. Statement (II): Faciliated diffusion o

The process by which water from the interface of cell wall and plasma membrane enters into the cytoplasm of root hair cell is ___________.

The value of root pressure is about to bars which is enough to pump water to a height of 10 to 20 meters in plants.