Back to Transport in Plants

Set 1 of 1 · Questions 1-13 of 13

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher

Mere Teacher · Previous Year Questions

NEET Biology · Transport in Plants · Set 1 (Q1-13)

QR code to mereteacher.com

Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.

  1. 1.
    Which one of the following structures between two adjacent cells is an effective transport pathway?
    1. (1)Plasmodesmata
    2. (2)Plastoquinones
    3. (3)Endoplasmic reticulum
    4. (4)Plasmalemma
  2. 2.
    Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of following options:
    1. (1)Both processes cannot happen simultaneously
    2. (2)Both processes can happen together because the diffusion coefficient of Water and are different
    3. (3)The above processes happen only during night time
    4. (4)One process occurs during time and the other at night
  3. 3.
    Transport of food material in higher plants takes place through
    1. (1)Companion cells
    2. (2)Transfusion tissues
    3. (3)Tracheids
    4. (4)Sieve elements
  4. 4.
    A column of water within xylem vessels of tall trees does not break under its weight because
    of:
    1. (1)Tensile strength of water
    2. (2)Lignification of xylem vessels
    3. (3)Positive root pressure
    4. (4)Dissolved sugars in water
  5. 5.
    Which of the following criteria does not pertain to facilitated transport?
    1. (1)Requirement of special membrane proteins
    2. (2)High selectivity
    3. (3)Transport saturation
    4. (4)Uphill transport
  6. 6.
    A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it was phloem sap?
    1. (1)Alkaline
    2. (2)Low refractive index
    3. (3)Absence of sugar
    4. (4)Acidic
  7. 7.
    Transpiration and root pressure cause water to rise in plants by
    1. (1)Pulling it upward
    2. (2)Pulling and pushing it respectively
    3. (3)Pushing it upward
    4. (4)Pushing and pulling it respectively
  8. 8.
    Which one of the following is correctly matched?
    1. (1)Passive transport of nutrients – ATP
    2. (2)Apoplast – Plasmodesmata
    3. (3)Potassium – Readily mobilised
    4. (4)Bakane of rice seedlings – F. Skoog
  9. 9.
    In a ring girdled plant:
    1. (1)The shoot dies first
    2. (2)The root dies first
    3. (3)The shoot and root dies together
    4. (4)Neither root nor shoot will die
  10. 10.
    Root pressure develops due to:
    1. (1)Low osmotic potential in soil
    2. (2)Passive absorption
    3. (3)Increase in transpiration
    4. (4)Active absorption
  11. 11.
    A protoplast is a cell:
    1. (1)Without nucleus
    2. (2)Undergoing division
    3. (3)Without cell wall
    4. (4)Without plasma membrane
  12. 12.
    Function of companion cells is
    1. (1)Providing energy to sieve elements for active transport.
    2. (2)Providing water to phloem.
    3. (3)Loading of sucrose into sieve elements by passive transport.
    4. (4)Loading of sucrose into sieve elements.
  13. 13.
    Guttation is the result of
    1. (1)Diffusion
    2. (2)Transpiration
    3. (3)Osmosis
    4. (4)Root pressure