Transportation in Plants NEET Questions. We covered all the Transportation in Plants NEET Questions in this post for free so that you can practice well for the exam.
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MCQ on Transportation in Plants for NEET Students
Which of the following is/are external factors that affect(s) the rate of transpiration?
(A) Humidity
(B) Light
(C) Temperature
(D) All of these
Option d – All of these
Which of the following are the functions of magnesium? i. Involved in the synthesis of DNA and RNA ii. Activates the enzymes of respiration and photosynthesis iii. Constituent of the ring structure of chlorophyll iv. Helps in the synthesis of the cell wall during cell division
(A) i and iv only
(B) iii and iv only
(C) i, ii and iii
(D) ii, iii, and iv
Option c – i, ii and iii
The loss of water vapors through the stomata in the leaves is known as
(A) Necrosis
(B) Translocation
(C) Imbibition
(D) Transpiration.
Option d – Transpiration.
Read the given statements and select the correct option. Statement (i): The enzyme nitrogenase is highly sensitive to the molecular oxygen, it requires aerobic condition for its action. Statement (ii): Root nodules of leguminous plants contains an oxygen scavenger called leg haemoglobin to protect nitrogenase enzyme. The correct statement/s is/are
(A) Statement (i)
(B) Statement (ii)
(C) Both Statements (i) and (ii)
(D) Neither Statement (i) nor (ii)
Option b – Statement (ii)
Identify the INCORRECT statement.
(A) In active transport, energy is utilized to pump molecules against a concentration gradient.
(B) Solute potential and pressure potential determine water potential.
(C) Water potential is the potential energy of water that helps in the movement of water.
(D) Turgor pressure is the hydrostatic pressure developed inside a cell when it is placed in a hypertonic solution.
Option d – Turgor pressure is the hydrostatic pressure developed inside a cell when it is placed in a hypertonic solution
Which of the following is INCORRECT with respect to osmosis?
(A) In osmosis, water moves from its region of lower chemical potential to its region of higher chemical potential.
(B) Osmosis refers to the diffusion of water across a selectively permeable membrane.
(C) Osmosis occurs spontaneously in response to a driving force.
(D) The net direction and rate of osmosis depend on both the pressure gradient and concentration gradient.
Option a – In osmosis, water moves from its region of lower chemical potential to its region of higher chemical potential.
Chlorosis is
(A) same as necrosis
(B) loss of chlorophyll causing yellowing of leaves
(C) death of leaf tissues
(D) all of these
Option b – loss of chlorophyll causing yellowing of leaves
Identify the INCORRECT statement.
(A) The deficiency symptoms of magnesium and nitrogen are first observed in younger leaves.
(B) The deficiency symptoms vary from element to element.
(C) The deficiency symptoms disappear when the deficient mineral element is provided to the plant.
(D) The deficiency symptoms tend to appear first in young leaves or tissue, whenever the elements are relatively immobile.
Option a – The deficiency symptoms of magnesium and nitrogen are first observed in younger leaves.
Which of the following statement is WRONG with respect to facilitated diffusion?
(A) It takes place without expenditure of ATP
(B) It is also known as carrier mediated transport
(C) It involves transport proteins (Porins)
(D) It occurs at a slow rate than that simple diffusion
Option d – It occurs at a slow rate than that simple diffusion
Which of the following is/are the significance(s) of transpiration?
(A) It maintains the turgidity of the cell which thereby helps in maintaining the shape and structure of the cell.
(B) It helps plants in absorbing water and minerals by creating the transpiration pull.
(C) It helps in the regulation of plant temperature by cooling the surface of leaves.
(D) All of these
Option d – All of these
Which of the following element is required for the synthesis of nucleotides?
(A) Magnesium
(B) Phosphorus
(C) Potassium
(D) Calcium
Option b – Phosphorus
An element is said to be essential if its
(A) absence affects the normal growth and development, and reproduction of plants.
(B) deficiency can be treated by supplying other element.
(C) deficiency does not affect the life cycle of the plant.
(D) all of these
Option a – absence affects the normal growth and development, and reproduction of plants.
Identify the INCORRECT statement. Translocation is the phenomenon of
(A) the transport of molecules through a specialized vascular system.
(B) The flow of water and minerals in rooted plants is multidirectional, while that of organic and mineral nutrients IS unidirectional.
(C) Nutrients may be withdrawn from the plant part that undergoes senescence and moves to the growing parts.
(D) Organic compounds synthesized in the photosynthetic leaves are exported to all other parts including storage organs.
Option b – The flow of water and minerals in rooted plants is multidirectional, while that of organic and mineral nutrients IS unidirectional.
In plants, calcium plays an important role in
(A) maintaining the turgidity of cells
(B) formation of the mitotic spindle
(C) maintenance of ribosome structure
(D) synthesis of nucleic acids, proteins, vitamins, and hormones
Option b – formation of the mitotic spindle
Uphill transport is a
(A) characteristic of passive transport
(B) transport of substances from a low concentration to a high concentration
(C) transport that occurs by means of molecular pumps
(D) both (B) and (C)
Option d – both (B) and (C)
Which of the following is an important constituent of cytochromes?
(A) Iron
(B) Manganese
(C) Chlorine
(D) Nickel
Option a – Iron
Read the following statements and opt for the correct answer. Statement I: The substance that absorbs water is called as imbibant. Statement II: The liquid substance that is absorbed is termed as imbibate.
(A) Statement I is correct and II is incorrect
. (B) Statement I is incorrect and II is correct.
(C) Both Statements I and II are correct.
(D) Both Statements I and II are incorrect.
Option c – Both Statements I and II are correct.
Which of the following includes all micronutrients?
(A) Molybdenum, nickel, and boron
(B) Copper, nitrogen, and zinc
(C) Phosphorus, nitrogen, and boron
(D) Nickel, zinc, sulfur
Option a – Molybdenum, nickel, and boron
The mineral present in plant tissues in large amounts is ( Transportation in Plants NEET Questions )
(A) Cu
(B) CI
(C) Mn
(D) Mg
Option d – Mg
Identify the INCORRECT match.
(A) Cohesion – Mutual attraction between water molecules
(B) Surface tension – Attraction between – water molecules in the liquid phase is more than that of water in the gaseous phase
(C) Facilitated transport – Occurs along the – concentration gradient
(D) Simple diffusion – Movement of molecules from the region of their lower concentration to the region of higher concentration
Option d – Simple diffusion – Movement of molecules from the region of their lower concentration to the region of higher concentration
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